An ecological control method for controlling field pests by using Cnidium monnieri

Abstract

The invention discloses an ecological control method for controlling field pests by using cnidium monnieri, which is eco-friendly and has good control effect. The specific method of the invention is: select a site, sow cnidium monnieri, fennel, and cnidium monnieri from the inside to the outside around the peanut field in sequence from mid-March to early April, forming a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle; deep plough the peanut field, irrigate with a mass concentration of 0.1-0.2% sodium chloride solution until the soil moisture weight content is 30-35%, naturally dry for 4-5 days, irrigate until the soil moisture weight content is 50-55%, naturally dry for 3-4 days, apply livestock and poultry manure organic fertilizer, dry for 1-2 days, mix tobacco waste with red thistle and cnidium monnieri harvested last year and crush them before applying, complete land preparation, select peanut seeds and sow them from late April to May; apply topdressing during the flowering needle period and pod setting period, mature, and harvest.

Description

Technical Field

[0001] The invention belongs to the technical field of pest control, and in particular relates to an ecological control method for controlling field pests by using Cnidium monnieri. Background Art

[0002] Peanuts are one of the main sources of edible oil, so the problem of pesticide residues in peanut cultivation has attracted particular attention. Since peanuts will encounter double pests of ground pests (aphids, spider mites, etc.) and underground pests (grubs, mole crickets, cutworms, root-knot nematodes, etc.) during their growth, in order to ensure high and stable yields of peanuts, pesticides are still inevitably used in agricultural production. As a result, there is an irreconcilable contradiction between consumers' low tolerance for pesticide residues in peanuts and the unavoidable use of pesticides in agricultural production. Moreover, in addition to the pesticide residue problem caused by pesticides, long-term use of a certain pesticide will lead to drug resistance, the insecticidal effect will become worse and worse, and the amount of induced drugs will be further increased, which will bring more serious pesticide residue problems, forming a vicious circle, serious environmental pollution, and increasing food safety issues. In addition, the use of pesticides will also harm beneficial insects and crops themselves.

[0003] In recent years, in order to ease environmental and food safety pressures, people have begun to turn to ecological control for field pest management, including "using insects to control insects", insect sterilization, insect hormones and pheromones, etc. Ecological control has the advantages of not polluting the environment and not affecting the growth of beneficial insects and crops, so it is increasingly valued by people.

[0004] Patent application CN109169068A discloses a method for assisting the migration of predatory natural enemies from wheat fields to corn fields, which is achieved by planting snake beds on the edge of wheat-corn rotation fields, wherein the ratio of the number of wheat beds to the number of snake beds is 40-80:1 or the ratio of the number of corn beds to the number of snake beds is 15-45:1, and the wheat beds, corn beds and snake beds are uniform, and the row spacing of the wheat beds is 18-25 cm, the row spacing of the corn beds is 50-70 cm, and the row spacing of the snake beds is 33-40 cm. The snake beds used in this patented technology are annual herbaceous plants that can store and maintain a large number of predatory natural enemy populations such as ladybugs and aphid flies after wheat harvest, thereby helping them to transfer from wheat fields to corn fields or other crop fields, thereby further achieving pest control. However, this patented technology can only be limited to the prevention and control of ground pests, and the prevention and control effect is limited, and it cannot effectively prevent and control underground pests of peanuts.

[0005] Patent application CN110200027A discloses a biological control method for peanut root-knot nematode disease, by applying a composite microbial agent with peanut root-knot nematode control efficacy to peanut planting soil, and utilizing the good insecticidal effect of the composite microbial agent to biologically control peanut root-knot nematode disease. The composite microbial agent of the present invention uses the selected composite agent and plant extract as effective ingredients, which is beneficial to the synergistic effect of Lactobacillus rhamnosus, Propionibacterium freudenreichii and Bacillus amyloliquefaciens, as well as the efficacy of water chestnut and burdock hydrolysates, and each component exerts its insecticidal effect through coordinated action. This patented technology mainly relies on the composite microbial agent for the control of peanut root-knot nematode disease, and has limited control effects on other diseases and insect pests. In addition, the production and use costs of the microbial agent are high, and the effect is slow, which limits the large-scale promotion and use. Summary of the invention

[0006] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an ecological control method for controlling field pests by using Cnidium monnieri, which can be used for controlling peanut field pests, is eco-friendly, and has good control effects.

[0007] In order to achieve the above object, the present invention adopts the following technical solution:

[0008] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0009] (1) Select a site. From mid-March to early April, plant cnidium monnieri, fennel, and cnidium monnieri in the peanut field from the inside to the outside, forming the first cnidium monnieri circle, the fennel circle, and the second cnidium monnieri circle;

[0010] (2) Deeply plowing the peanut field, irrigating with 0.1-0.2% sodium chloride solution until the soil moisture content is 30-35% by weight, letting it dry naturally for 4-5 days, irrigating until the soil moisture content is 50-55% by weight, letting it dry naturally for 3-4 days, applying livestock and poultry manure organic fertilizer, drying it in the sun for 1-2 days, mixing tobacco waste with red artichokes and cnidium monnieri harvested last year and crushing them before applying them, and completing land preparation. In late April to May, peanut seeds are selected and sown;

[0011] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0012] As one of the preferred technical solutions, in step (1), the method of selecting the land is: selecting loose sandy land with medium fertility, convenient drainage and irrigation.

[0013] As one of the preferred technical solutions, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April. It should be noted that fennel should be sown first and then cnidium monnieri, so as to provide enough aphids for ladybugs to reproduce.

[0014] As one of the preferred technical solutions, in step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 5 to 1 / 4 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0015] As one of the further preferred technical solutions, fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm, with 10 seeds sown in each hole. After sowing, the ground is covered and the seedlings are grown to a height of 5 cm. The seedlings are then thinned out and fixed, and appropriate water and fertilizer management is performed.

[0016] As one of the further preferred technical solutions, after the fennel seedlings are established, aphids are artificially inoculated on the fennel, with 10 to 15 aphids inoculated on each fennel plant. After the aphids reproduce for 3 to 5 days, ladybugs are artificially inoculated again, and the ratio of ladybugs to aphids is controlled to be 1:200 to 250.

[0017] As one of the further preferred technical solutions, the aphids are a mixture of cotton aphid, two-tailed aphid, and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protoceras and cuttlefish, and the quantity ratio of the two is 1:1.

[0018] As one of the preferred technical solutions, in step (2), deep plowing is performed to a depth of 40 to 45 cm.

[0019] As one of the preferred technical solutions, in step (2), the amount of livestock and poultry manure organic fertilizer applied is 1200-1300 kg per mu of land.

[0020] As one of the preferred technical solutions, in step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0021] As one of the preferred technical solutions, in step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 80-100 mesh in a mass ratio of 10:3-4:3-4 to obtain a mixed powder, and the application amount of the mixed powder is 80-100 kg per mu of land.

[0022] As one of the preferred technical solutions, in step (2), peanut seeds that are large, full, complete, undamaged, ungerminated, and not moldy are selected.

[0023] As one of the preferred technical solutions, in step (2), the specific method of sowing is: ridge formation with a ridge height of 8 to 10 cm and a width of 85 to 90 cm, double-row sowing, a sowing density of 8000 to 8200 holes per mu, 2 seeds per hole, and film covering after sowing.

[0024] As one of the preferred technical solutions, in step (3), the specific method of topdressing is: 5-10 kg urea and 10-15 kg superphosphate per mu are completely dissolved in 3000 kg water, and then sprayed evenly on the peanut leaves once.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] The present invention aims at the control of field pests in peanuts, and proposes an ecological control method for controlling field pests by using cnidium monnieri, which is eco-friendly and has good control effect. The specific method of the present invention is: select a site, sow cnidium monnieri, fennel, and cnidium monnieri from the inside to the outside around the peanut field in sequence from mid-March to early April, forming a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle; deep plow the peanut field, irrigate the soil with a mass concentration of 0.1-0.2% sodium chloride solution until the soil moisture weight content is 30-35%, naturally dry for 4-5 days, irrigate until the soil moisture weight content is 50-55%, naturally dry for 3-4 days, apply livestock and poultry manure organic fertilizer, dry for 1-2 days, mix tobacco waste with red thistle and cnidium monnieri harvested last year, crush and apply, complete land preparation, select peanut seeds and sow in late April to May; apply topdressing during the flowering needle period and pod setting period, mature, and harvest.

[0027] The ecological control method of the present invention effectively controls the above-ground pests of peanuts by sowing cnidium monnieri and fennel around the peanut field, and effectively controls the underground pests of peanuts by applying tobacco waste, red thistle and cnidium monnieri into the soil, while further improving the impact resistance of peanuts and synergistically improving the control effect of above-ground pests.

[0028] When preparing the peanut field, a process such as pouring low-concentration sodium chloride solution, natural drying, irrigation, and natural drying is used to kill pests in the soil and enhance the soil's resistance to erosion. Combined with subsequent treatments, this can further improve the effectiveness of pest control in the peanut field.

[0029] When planting cnidium and fennel, attention should be paid to controlling the planting area of ​​the first cnidium circle, fennel circle, and second cnidium circle, and controlling the ratio of ladybugs to aphids, ensuring the initial number of aphids, meeting the growth and reproduction needs of ladybugs, and appropriately overflowing to the first cnidium circle and the second cnidium circle, but not overflowing from the first cnidium circle and the second cnidium circle, so as not to affect the growth of peanuts. As the number of ladybugs increases, the ladybugs overflow to the first cnidium circle and the second cnidium circle, and in the subsequent growth process of peanuts, these ladybugs are lured into the peanut field, thereby playing an effective protective role against peanut pests.

[0030] The aphids of the present invention are a mixture of cotton aphids, two-tailed aphids and carrot microtubule aphids in a quantity ratio of 1:1:1, and the ladybugs are a mixture of proteases and horned ladybugs in a quantity ratio of 1:1. The selection of aphids and ladybugs not only ensures the growth and reproduction of ladybugs but also does not affect the growth of cnidium monnieri and peanuts, and the cnidium monnieri can be harvested normally, and then industrialized or recycled. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Unless otherwise specified, all commodities in this invention are purchased through market channels.

[0033] Example 1

[0034] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0035] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snakeweed, fennel, and snakeweed in turn from the inside to the outside around the peanut field from mid-March to early April to form the first snakeweed circle, fennel circle, and second snakeweed circle;

[0036] (2) The peanut field is plowed to a depth of 40 cm, irrigated with 0.1% sodium chloride solution until the soil moisture content is 30% by weight, and allowed to dry naturally for 4 days. The soil is then irrigated until the soil moisture content is 50% by weight, and allowed to dry naturally for 3 days. Livestock and poultry manure organic fertilizer is applied, and the soil is dried for 1 day. Tobacco waste is mixed with red artichokes and cnidium monnieri harvested in the previous year and crushed before being applied. After the land is prepared, peanut seeds are selected and sown in late April to May.

[0037] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0038] Wherein, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April.

[0039] In step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 5 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0040] Fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0041] After fennel seedlings were established, aphids were artificially inoculated on the fennel, with 10 aphids inoculated on each fennel plant. Three days after the aphids reproduced, ladybugs were artificially inoculated again, and the ratio of ladybugs to aphids was controlled to be 1:200.

[0042] The aphids are a mixture of cotton aphid, dactylophore aphid and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protocera and cuttlefish in a quantity ratio of 1:1.

[0043] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1200 kg per mu of land.

[0044] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0045] In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 80 meshes in a mass ratio of 10:3:3 to obtain a mixed powder, and the application amount of the mixed powder is 80-100 kg per mu of land.

[0046] In step (2), peanut seeds that are large, full, intact, undamaged, ungerminated, and unmoldy are selected.

[0047] In step (2), the specific method of sowing is: ridge formation, the ridge height is 8 cm, the width is 85 cm, double rows are sown, the sowing density is 8000 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0048] In step (3), the specific method of topdressing is: 5kg urea and 10kg superphosphate per mu are completely dissolved in 3000kg water, and then sprayed evenly on the peanut leaves once.

[0049] Example 2

[0050] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0051] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snakeweed, fennel, and snakeweed in turn from the inside to the outside around the peanut field from mid-March to early April to form the first snakeweed circle, fennel circle, and second snakeweed circle;

[0052] (2) The peanut field is plowed to a depth of 45 cm, irrigated with 0.2% sodium chloride solution until the soil moisture content is 35% by weight, and allowed to dry naturally for 5 days. The soil is then irrigated until the soil moisture content is 55% by weight, and allowed to dry naturally for 4 days. Livestock and poultry manure organic fertilizer is applied, and the soil is dried for 2 days. Tobacco waste is mixed with red artichokes and cnidium monnieri harvested in the previous year and crushed before being applied. After the land is prepared, peanut seeds are selected and sown in late April to May.

[0053] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0054] Wherein, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April.

[0055] In step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 4 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0056] Fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0057] After fennel seedlings were established, aphids were artificially inoculated on the fennel, with 15 aphids inoculated on each fennel plant. Five days after the aphids reproduced, ladybugs were artificially inoculated again to control the number ratio of ladybugs to aphids to be 1:250.

[0058] The aphids are a mixture of cotton aphid, dactylophore aphid and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protocera and cuttlefish in a quantity ratio of 1:1.

[0059] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1300 kg per mu of land.

[0060] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0061] In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 100 mesh in a mass ratio of 10:4:4 to obtain a mixed powder, and the application amount of the mixed powder is 100 kg per mu of land.

[0062] In step (2), peanut seeds that are large, full, intact, undamaged, ungerminated, and unmoldy are selected.

[0063] In step (2), the specific method of sowing is: ridge formation, the ridge height is 10 cm, the width is 90 cm, double rows are sown, the sowing density is 8200 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0064] In step (3), the specific method of topdressing is: 10 kg urea and 15 kg superphosphate per mu are completely dissolved in 3000 kg water, and then sprayed evenly on the peanut leaves once.

[0065] Example 3

[0066] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0067] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snakeweed, fennel, and snakeweed in turn from the inside to the outside around the peanut field from mid-March to early April to form the first snakeweed circle, fennel circle, and second snakeweed circle;

[0068] (2) The peanut field is plowed to a depth of 40 cm, irrigated with 0.2% sodium chloride solution until the soil moisture content is 30% by weight, and allowed to dry naturally for 5 days. The soil is then irrigated until the soil moisture content is 50% by weight, and allowed to dry naturally for 4 days. Livestock and poultry manure organic fertilizer is applied, and the soil is dried for 1 day. Tobacco waste is mixed with red artichokes and cnidium monnieri harvested in the previous year and crushed before being applied. After the land is prepared, peanut seeds are selected and sown in late April to May.

[0069] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0070] Wherein, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April.

[0071] In step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 4 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0072] Fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0073] After fennel seedlings were established, aphids were artificially inoculated on the fennel, with 10 aphids inoculated on each fennel plant. Five days after the aphids reproduced, ladybugs were artificially inoculated again, and the ratio of ladybugs to aphids was controlled to be 1:200.

[0074] The aphids are a mixture of cotton aphid, dactylophore aphid and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protocera and cuttlefish in a quantity ratio of 1:1.

[0075] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1300 kg per mu of land.

[0076] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0077] In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 80 meshes in a mass ratio of 10:3:4 to obtain a mixed powder, and the application amount of the mixed powder is 100 kg per mu of land.

[0078] In step (2), peanut seeds that are large, full, complete, undamaged, ungerminated, and not moldy are selected.

[0079] In step (2), the specific method of sowing is: ridge formation, the ridge height is 8 cm, the width is 90 cm, double rows are sown, the sowing density is 8000 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0080] In step (3), the specific method of topdressing is: 10 kg urea and 10 kg superphosphate per mu are completely dissolved in 3000 kg water, and then sprayed evenly on the peanut leaves once.

[0081] Example 4

[0082] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0083] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snakeweed, fennel, and snakeweed in turn from the inside to the outside around the peanut field from mid-March to early April to form the first snakeweed circle, fennel circle, and second snakeweed circle;

[0084] (2) The peanut field was plowed to a depth of 42 cm, irrigated with 0.15% sodium chloride solution until the soil moisture content was 33% by weight, and naturally dried for 4 days. Then, the soil was irrigated until the soil moisture content was 52% by weight, and naturally dried for 4 days. Then, organic fertilizers such as livestock and poultry manure were applied, and dried for 1 day. Tobacco waste was mixed with red artichokes and cnidium monnieri harvested in the previous year and crushed before being applied. After the land was prepared, peanut seeds were selected and sown in late April to May.

[0085] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0086] Wherein, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April.

[0087] In step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 5 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0088] Fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0089] After fennel seedlings were established, aphids were artificially inoculated on the fennel, with 12 aphids inoculated on each fennel plant. Four days after the aphids reproduced, ladybugs were artificially inoculated again to control the number ratio of ladybugs to aphids to be 1:220.

[0090] The aphids are a mixture of cotton aphid, dactylophore aphid and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protocera and cuttlefish in a quantity ratio of 1:1.

[0091] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1250 kg per mu of land.

[0092] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0093] In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 100 mesh in a mass ratio of 10:3.5:3.5 to obtain a mixed powder, and the application amount of the mixed powder is 90 kg per mu of land.

[0094] In step (2), peanut seeds that are large, full, complete, undamaged, ungerminated, and not moldy are selected.

[0095] In step (2), the specific method of sowing is: ridge formation, the ridge height is 9 cm, the width is 90 cm, double rows are sown, the sowing density is 8100 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0096] In step (3), the specific method of topdressing is: 8 kg urea and 12 kg superphosphate per mu are completely dissolved in 3000 kg water, and then sprayed evenly on the peanut leaves once.

[0097] Comparative Example 1

[0098] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0099] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snake beds from the inside to the outside around the peanut field from mid-March to early April to form a snake bed circle;

[0100] (2) The peanut field is plowed to a depth of 40 cm, irrigated with 0.1% sodium chloride solution until the soil moisture content is 30% by weight, and allowed to dry naturally for 4 days. The soil is then irrigated until the soil moisture content is 50% by weight, and allowed to dry naturally for 3 days. Livestock and poultry manure organic fertilizer is applied, and the soil is dried for 1 day. Tobacco waste is mixed with red artichokes and cnidium monnieri harvested in the previous year and crushed before being applied. After the land is prepared, peanut seeds are selected and sown in late April to May.

[0101] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0102] Wherein, in step (1), the sowing time of Cnidium monnieri is early April.

[0103] In step (1), a cnidium monnieri circle is formed around every 1 / 5 mu of peanut field, wherein 5 rows of cnidium monnieri are sown in the cnidium monnieri circle with a row spacing of 30 cm.

[0104] Snake bed is sown in holes with a spacing of 15 cm between plants and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0105] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1200 kg per mu of land.

[0106] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0107] In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 80 meshes in a mass ratio of 10:3:3 to obtain a mixed powder, and the application amount of the mixed powder is 80-100 kg per mu of land.

[0108] In step (2), peanut seeds that are large, full, complete, undamaged, ungerminated, and not moldy are selected.

[0109] In step (2), the specific method of sowing is: ridge formation, the ridge height is 8 cm, the width is 85 cm, double rows are sown, the sowing density is 8000 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0110] In step (3), the specific method of topdressing is: 5kg urea and 10kg superphosphate per mu are completely dissolved in 3000kg water, and then sprayed evenly on the peanut leaves once.

[0111] Comparative Example 2

[0112] An ecological control method for controlling field pests by using Cnidium monnieri, the specific steps are as follows:

[0113] (1) Select loose sandy land with medium fertility, convenient irrigation and drainage, and sow snakeweed, fennel, and snakeweed in turn from the inside to the outside around the peanut field from mid-March to early April to form the first snakeweed circle, fennel circle, and second snakeweed circle;

[0114] (2) The peanut field is plowed to a depth of 40 cm, irrigated with 0.1% sodium chloride solution until the soil moisture content is 30% by weight, and allowed to dry naturally for 4 days. The soil is then irrigated until the soil moisture content is 50% by weight, and allowed to dry naturally for 3 days. Livestock and poultry manure organic fertilizer is applied, and the soil is dried for 1 day. Tobacco waste and cnidium monnieri harvested in the previous year are mixed and crushed and then applied. After the land is prepared, peanut seeds are selected and sown in late April to May;

[0115] (3) Apply fertilizer during the flowering and pod-setting stages, mature, and harvest.

[0116] Wherein, in step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April.

[0117] In step (1), a first cnidium monnieri circle, a fennel circle, and a second cnidium monnieri circle are formed around every 1 / 5 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

[0118] Fennel and cnidium monnieri are sown in holes with a spacing of 15 cm and a depth of 5 cm. Ten seeds are sown in each hole. The ground is covered after sowing. When the seedlings grow to a height of 5 cm, thinning and determining the seedlings are done, and appropriate water and fertilizer management is performed.

[0119] After fennel seedlings were established, aphids were artificially inoculated on the fennel, with 10 aphids inoculated on each fennel plant. Three days after the aphids reproduced, ladybugs were artificially inoculated again, and the ratio of ladybugs to aphids was controlled to be 1:200.

[0120] The aphids are a mixture of cotton aphid, dactylophore aphid and carrot microtubule aphid in a quantity ratio of 1:1:1; the ladybugs are a mixture of protocera and cuttlefish in a quantity ratio of 1:1.

[0121] In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1200 kg per mu of land.

[0122] In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

[0123] In step (2), the whole plant of Cnidium monnieri is air-dried and stored after being harvested in the previous year, and tobacco waste and Cnidium monnieri are mixed and crushed to 80 meshes in a mass ratio of 10:3 to obtain mixed powder, and the application amount of the mixed powder is 80-100 kg per mu of land.

[0124] In step (2), peanut seeds that are large, full, intact, undamaged, ungerminated, and unmoldy are selected.

[0125] In step (2), the specific method of sowing is: ridge formation, the ridge height is 8 cm, the width is 85 cm, double rows are sown, the sowing density is 8000 holes / mu, 2 seeds per hole, and the film is covered after sowing.

[0126] In step (3), the specific method of topdressing is: 5kg urea and 10kg superphosphate per mu are completely dissolved in 3000kg water, and then sprayed evenly on the peanut leaves once.

[0127] The peanut field pest control effects of Examples 1 to 4 and Comparative Examples 1 and 2 were investigated respectively, and the specific methods are as follows:

[0128] Peanut variety: Luhua No. 9.

[0129] Six treatment groups were set up, with areas of 1 / 5 mu, 1 / 4 mu, 1 / 4 mu, 1 / 5 mu, 1 / 5 mu, and 1 / 5 mu, respectively, and peanut planting and ecological pest control were carried out according to the methods described in Examples 1 to 4 and Comparative Examples 1 and 2. When the peanuts were harvested, 100 plants in each treatment group were randomly surveyed to investigate the pest incidence and root activity.

[0130] The incidence of aphids and white grubs was calculated using the following formula: incidence (%) = number of diseased plants / total number of plants investigated × 100.

[0131] At the same time, the TCC method was used to determine the root activity.

[0132] The test results are shown in Table 1.

[0133] Table 1. Effect of field pest control in peanut fields

[0134] Aphid incidence (%) Grub incidence (%) <![CDATA[Root activity (μg·g -1 ·h -1 )]]> Example 1 2 2 145.62 Example 2 1 2 145.78 Example 3 0 1 146.33 Example 4 0 0 147.05 Comparative Example 1 8 2 140.66 Comparative Example 1 6 9 122.57

[0135] As can be seen from Table 1, after the peanut fields were treated in Examples 1 to 4, the incidence of aphids and white grubs was low, and the root activity was high at the time of harvest, indicating that a very good ecological control effect was achieved.

[0136] In comparative example 1, the formation of the fennel ring was omitted, and the number of ladybugs naturally attracted and bred was not enough, and the control of ground pests was insufficient. In comparative example 2, red thistle was omitted during land preparation, and the control of underground pests became poor, and the control effect of ground pests was also affected. This shows that the appropriate planting of above-ground cnidium and fennel and the synergistic insecticidal effect of underground tobacco waste, red thistle and cnidium play a comprehensive control role in the control of peanut field pests.

[0137] The present invention illustrates the technical concept of the present invention through the above-mentioned embodiments, but the present invention is not limited to the above-mentioned embodiments, that is, it does not mean that the present invention must rely on the above-mentioned embodiments to be implemented. Those skilled in the art should understand that any improvement of the present invention, equivalent replacement of individual raw materials of the product of the present invention, addition of auxiliary components, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.

Claims

1. An ecological control method for controlling field pests by using Cnidium monnieri, characterized in that: The specific steps are as follows: (1) Select a site. From mid-March to early April, plant cnidium monnieri, fennel, and cnidium monnieri in the peanut field from the inside to the outside, forming the first cnidium monnieri circle, the fennel circle, and the second cnidium monnieri circle; (2) Deeply plowing the peanut field, irrigating with 0.1-0.2% sodium chloride solution until the soil moisture content is 30-35% by weight, letting it dry naturally for 4-5 days, irrigating until the soil moisture content is 50-55% by weight, letting it dry naturally for 3-4 days, applying livestock and poultry manure organic fertilizer, drying it in the sun for 1-2 days, mixing tobacco waste with red artichokes and cnidium monnieri harvested last year and crushing them before applying them, and completing land preparation. In late April to May, peanut seeds are selected and sown; (3) Topdressing during the flowering and pod-setting stages, ripening, and harvesting; In step (1), the sowing time of fennel is mid-March, and the sowing time of cnidium monnieri is early April. It should be noted that fennel should be sown first and then cnidium monnieri, so as to provide enough aphids for ladybug reproduction; In step (1), a first cnidium monnieri circle, a fennel circle and a second cnidium monnieri circle are formed around every 1 / 5 to 1 / 4 mu of peanut field, wherein the first cnidium monnieri circle is sown with 2 rows of cnidium monnieri with a row spacing of 30 cm; the fennel circle is sown with 2 rows of fennel with a row spacing of 25 cm; and the second cnidium monnieri circle is sown with 3 rows of cnidium monnieri with a row spacing of 30 cm.

2. The ecological control method according to claim 1, characterized in that: In step (1), the method for selecting the land is: selecting loose sandy land with medium fertility, convenient irrigation and drainage.

3. The ecological control method according to claim 1, characterized in that: In step (2), the soil is plowed to a depth of 40 to 45 cm.

4. The ecological control method according to claim 1, characterized in that: In step (2), the amount of livestock and poultry manure organic fertilizer applied is 1200-1300 kg per mu of land.

5. The ecological control method according to claim 1, characterized in that: In step (2), the tobacco waste is the tobacco waste part other than the productized leaves, specifically including tobacco stems, tobacco roots, and tobacco leaves.

6. The ecological control method according to claim 1, characterized in that: In step (2), the whole plants of Artemisia selengensis and Cnidium monnieri are air-dried and stored after being harvested in the previous year, and tobacco waste, Artemisia selengensis and Cnidium monnieri are mixed and crushed to 80-100 meshes in a mass ratio of 10:3-4:3-4 to obtain a mixed powder, and the application amount of the mixed powder is 80-100 kg per mu of land.

7. The ecological control method according to claim 1, characterized in that: In step (2), the specific method of sowing is: ridge formation, the ridge height is 8-10 cm, the width is 85-90 cm, double rows are sown, the sowing density is 8000-8200 holes / mu, 2 seeds per hole, and film covering is carried out after sowing.

8. The ecological control method according to claim 1, characterized in that: In step (3), the specific method of topdressing is: 5-10 kg urea and 10-15 kg superphosphate per mu are completely dissolved in 3000 kg water, and sprayed evenly on the peanut leaves once.