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Soil nematode preventing and controlling method

A soil nematode and soil technology, applied in the directions of nematicides, pest control, botanical equipment and methods, etc., can solve the problems such as the inability of effective treatment of Panax notoginseng nematodes, and achieve production cost saving, simple production process, The effect of enhancing the ability to resist pests and diseases

Inactive Publication Date: 2016-12-21
文山苗乡三七科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preventing and treating soil nematodes, which solves the problem that in the prior art, the plots with nematodes can only be avoided before planting, and root-knot nematode can not be effectively treated after the disease of root-knot nematode.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0022] A method for preventing and controlling soil nematodes. After being infected with nematodes during the planting of Panax notoginseng, 0.5 to 1 liter of pyrethrin solution with a mass percentage concentration of 30% and 0.2 liters of pyrethrin solution with a mass percentage concentration of 1.8% abamectin microemulsion, made into a deworming solution, and then using the deworming solution to flush the Radix Notoginseng suffering from root-knot nematode disease of notoginseng. Apply once every 10 days, and the frequency of application is 2 to 3 times.

[0023] If the concentration of 1.8% abamectin is too high, it will cause damage to the root system of Panax notoginseng, and if the concentration is too low, the insecticidal effect will be poor. Therefore, dilute the 1.8% abamectin microemulsion about 5000 times, It has stomach toxicity and contact killing effect on nematodes, but the contact killing effect is not strong and cannot kill insect eggs, while pyrethrin has s...

specific Embodiment 2

[0024] This embodiment adds a soil treatment step on the basis of the specific embodiment 1. Before the notoginseng is planted, the soil is plowed, and then the soil is covered with hay and pyrethrum. After the paving is completed, the hay and pyrethrum are ignited and the soil is burned once. , incinerated and then plowed again. Treat the soil before planting, because the soil for planting Panax notoginseng contains various insect eggs, including nematode eggs, and the soil should be plowed once before planting, which can plow the nematode eggs in the soil to the soil surface, Then spread a layer of hay and pyrethrum on the soil, light the hay and pyrethrum, kill the eggs by high temperature, at this time, the active ingredient pyrethrin in the pyrethrum will also be released with the smoke, and kill the eggs Killing and plowing after burning can bury the burned pyrethrum residues in the ground and reduce the incidence of soil nematodes. According to experiments, the incidenc...

specific Embodiment 3

[0025] The present embodiment has carried out detailed explanation to the solution after mixing on the basis of specific embodiment 1, and when above-mentioned preparation deworming solution, the following solution is also added in every 1000 liters of water: the mass percent concentration of 0.1~0.3 liters is 30% phalaetanin solution, 0.1-0.3 liters of azadirachtin solution with a mass percent concentration of 30%, and 0.2-0.4 liters of a 30% mass percent concentration of polyaspartic acid solution.

[0026] Pyrethrins, picrites and azadirachtin are all extracted from plants and have low toxicity. Pyrethrins and azadirachtin have antifeedant effects, and the use of pyrethrins and 1.8% abamectin can effectively treat To reduce the loss of Panax notoginseng after nematode disease occurs, the combined use of pharethrin and azadirachtin also has the advantages of fast action and short time to knock down nematodes, and because pyrethrins, phaeloperidin and azadirachtin have differe...

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Abstract

The invention relates to a soil nematode preventing and controlling method. According to the soil nematode preventing and controlling method, after panax notoginseng is infected by nematodiasis during a planting process, 0.5-1 L of a pyrethrin solution with a mass percentage concentration of 30% and 0.2 L of an abamectin microemulsion with a mass percentage concentration of 1.8% are added to per 1000 L of water to prepare a nematode removing solution, the nematode removing solution is applied onto the panax notoginseng suffering the panax notogiseng root-knot nematode disease, per mu is applied with 2000-3000 L of the nematode removing solution, the applying is performed every 7-10 days, and the applying is performed 2-3 times. According to the present invention, the problems that the soil having the nematode must be avoided before the planting and the panax notogiseng root-knot nematode disease cannot be effectively treated after the development of the panax notogiseng root-knot nematode disease in the prior art are solved.

Description

technical field [0001] The invention relates to the field of insect control of crops, in particular to a method for preventing and controlling soil nematodes. Background technique [0002] Panax notoginseng, also known as Tianqi, is a precious traditional Chinese medicine. It belongs to dicotyledonous plants. It is very picky about the growth environment. It usually grows in areas with an altitude of 1000-1500m. The main production area is Wenshan Prefecture, Yunnan. It can be used as medicine. It is sweet and slightly bitter. It is a warm medicinal material. It has the effects of dispelling blood stasis, hemostasis, reducing swelling and relieving pain. Taking an appropriate amount of Panax notoginseng powder can also soften blood vessels, promote blood health, and prevent cardiovascular diseases. [0003] However, because Panax notoginseng likes a warm and humid environment, this environment often breeds many bacteria and causes various diseases and insect pests. Root-knot...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01N43/90A01N43/12A01N37/46A01P5/00A01P21/00
CPCA01N37/46A01N43/12A01N43/90A01N65/00A01N65/12A01N2300/00Y02A50/30
Inventor 陈中坚魏富刚王勇余育启
Owner 文山苗乡三七科技有限公司
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