387 results about "Leafhopper" patented technology

The present invention relates to a novel isolated leafhopper ecdysone receptor polypeptide. The invention also relates to an isolated nucleic acid encoding the leafhopper ecdysone receptor polypeptide, to vectors comprising them and to their uses, in particular in methods for modulating gene expression in an ecdysone receptor-based gene expression modulation system and methods for identifying molecules that modulate leafhopper ecdysone receptor activity.

The invention discloses a corn planting and cultivating method. The corn planting and cultivating method includes the following steps of selecting a corn variety and conducting soil preparation before planting, arranging wide rows and narrow rows at intervals, sowing corn, completing sowing, pipe paving, film paving and soil covering through an air suction type precision seeder, and conducting field management in the seedling stage, the ear stage and the flower stage, wherein the width of each wide row ranges from 85cm to 95cm, the width of each narrow row ranges from 25cm to 35cm, a drip irrigation zone is paved in the middle of each narrow row. According to the corn planting and cultivating method, due to the fact that the method that the wide rows and the narrow rows are arranged at intervals is adopted, the number of drip lines which are used can be lowered. Modifiers are sprayed in the early period of the field management in the seedling stage to control the plant height and the ear position, and the defect that through a conventional planting method, the corn easily falls over due to the fact that the plant height is large and the ear position is high is overcome. Pesticide is sprayed through a self-propelled high-stalk crop boom sprayer in the middle and later period of management to control pests, the influences of natural disasters on corn growth are reduced, and the influences on productivity caused by a large number of European corn borers, cotton bollworms, aphids, leafhoppers and red spiders appearing after corn jointing are eliminated.

The invention discloses a pesticide composition and application thereof in agriculture. The composition comprises the effective components of screw worm ethyl and anabasine class pesticide, wherein the mass ratio of the screw worm ethyl and the anabasine class pesticide is 60:1-1:80. The composition has a synergistic action, is especially obvious to resist pests, also can lower the application quantity and delay the generation and development of resistibility. The composition can be used for preventing and treating various pests in agriculture and is especially suitable for preventing and treating resistant pests with sucking mouth parts, such as plant hoppers, aphides, whiteflies, leafhoppers and the like.

The present invention relates to a compound pesticide with good effect for killing tea scale louse, green leafhopper, mites and aphis, etc. Said compound pesticide is made up by using organic solvent extracts of hot pepper, chinaberry root bark and willow-leaved smartweed through a certain preparation process. Besides, said invention also provides the concrete steps of said preparation process.

The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a pH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.

The invention discloses a cyantraniliprole containing insecticidal composition, which is an insecticidal composition containing active ingredients A and B, wherein the active ingredient A is cyantraniliprole, the active ingredient B is any one of the following pesticides: imidacloprid, acetamiprid, nitenpyram, thiamethoxam, thiacloprid, clothianidin and dinotefuran, and the weight ratio of the active ingredients A and B is 1:60-60:1. The composition disclosed by the invention can control various insects, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activities to piercing-sucking pests such as plant hoppers, aphid, tea lesser leafhopper and aleyrodid, and lepidoptera pests such as plutella xylostella and asparagus caterpillar; the application amount of pesticides is reduced, the residues of pesticides on crops are reduced, and the environment pollution is reduced; and the composition is safe to people and livestock and good in environmental compatibility, and pests are unlikely to produce pesticide resistance.

An active insecticide for preventing and eliminating the agricultural pests, such as thrips, aphis, aleyrodid, leafhopper, plant hopper, rice borer, etc, is proportionally prepared from pymetrozine and other active components chosen from pyriproxyfen, methylamino abamectin benzoate and buprofezin.

The invention discloses a long-acting insect expelling carrier. Carboxylic acid and derivatives thereof, essential oil and the like are prepared into an insect expelling composition, and then the insect expelling composition is prepared into the insect expelling carrier which violates insect expelling components long effectively by a two-step addition method. Long scarves, kerchiefs, muffles, jewelry, tablemats, appliques, silk flowers, artificial flower green leaves, cross-stitch embroidery, glass holders, dolls, embroidery, wall maps, tapestries, curtains, mosquito nets, ornaments and the like prepared from the insect expelling carrier can effectively expel various pests such as aphids, leafhoppers, cockroaches, ants, acarid, mosquitoes, biting midges, flies and the like, and prevent thepests positively; and the use of sprayed or fumigated pesticides is reduced, and the long-acting insect expelling carrier has important significance for environmental protection and human health, andhas good application prospect due to the characteristics of long effectiveness and convenient use.

The invention discloses a tea tree injurious insect lamplight prevention and control system, and belongs to the technical field of injurious insect lamplight prevention and control systems. The system comprises a tea tree injurious insect observing and predicting device and one or more tea tree injurious insect trapping and killing devices connected with the tea tree injurious insect observing and predicting device, independent insect trapping and killing areas are arranged in the tea tree injurious insect observing and predicting device, each insect trapping and killing area is provided with an LED adjustable light source, a high-voltage power grid I and an insect receiving disc, the LED adjustable light sources and the high-voltage power grids I are connected with a total controller, and the total controller controls and is connected with the tea tree injurious insect trapping and killing devices. The tea tree injurious insect lamplight prevention and control system is specially designed according to different posture characteristics, different kinds of flight performance and different phototaxis characteristics of some main injurious insects, a large number of tea tree injurious insects such as tea geometrids, tea lesser leafhoppers, tea tussock moths and plant hoppers can be eliminated, meanwhile, the trapping and killing number of beneficial insects is obviously lower than the number of beneficial insects in a conventional insect trapping lamp, natural enemy insects can be easily protected, and ecological balance of a tea garden is maintained.

The invention belongs to the technical field of pesticide, specifically relates to an insecticidal composition with pymetrozine comprising effective ingredients of pymetrozine and abamectin with weight% of 1-80 : 0.1-20. The inventive composition is added with normal adjuvants and excipients, except for the effective ingredients of pymetrozine and abamectin, to prepare as suspending agent, wettable powder, water dispersible granule for the control of bemisia tabaci, aphid, whitefly, leafhopper, rice fulgorid in the cotton, rice, vegetables and fruit trees, with obvious synergy, and increased insecticidal spectrum of pesticide. The effect of the present invention is obviously higher than that of the single agent thereof.

The invention discloses a binary composite insecticidal compound, which is characterized in that the binary composite insecticidal compound comprises active components A and B, wherein, the active component A is pymetrozine, the active component B is one of acephate, Imidaclothiz, Dinotefuran and Diafenthiuron, and the weight ratio of the two active components is 1-90:90-1. The compound in the invention can be widely applied to crops, such as grain crop, rice, corn, cotton, vegetable, fruit trees and the like, has an active effect in preventing and curing sucking mouthparts pests which are harmful for growth of crops in hemiptera, Thysanoptera, Homoptera, dipteron and the like, such as plant hopper, thrips, cicada, leafhopper, aleyrodid, phylloxera, aphid, scale insect, Sitodiplosis mosellana Gehin, pachydiplosis oryzae wood-mason and the like. The compound of the invention has obvious synergy and is different from other insecticides.

The invention provides an ideal food source and an inhabiting place for tea green leafhoppers by means of auxin, water culture and the like. Indoor year-feeding of the tea green leafhoppers is achieved. Meanwhile, the method for feeding imagoes without copulation and scientific testing tea green leafhoppers with the identical age in days is invented on this basis. Seasonal fluctuation of the number of tea green leafhopper groups is avoided. A guaranteed stable tea green leafhopper source is provided for relative research of the tea green leafhoppers.

The present invention discloses a kind of nitromethylene derivatives as well as their preparation method and their uses. The insecticidal activity tests show that the nitromethylene derivatives of the present invention not only show high insecticidal activities against insects with piercing-sucking type or scratching type mouthparts, such as aphid, leafhopper, plant hopper, thrips and white fly and their resistant strains, but also show high insecticidal activities against Lissorhoptrus oryzophilus, carmine spider mite, and they can also be used to prevent sanitary pest, and white ant.

A pesticidal composition in the field of composite pesticides is disclosed in the invention. The effective components of the pesticidal composition comprise sulfoxaflor and amide pesticides, wherein, the weight ratio of sulfoxaflor to amide pesticides is 1-80:80-1, preferred 1-45:35-1. The total content of the effective components accounts for 1-90wt% of the pesticidal composition, preferred 1-50%, and the rest are auxiliary components which are allowed and accepted in pesticides. The pesticidal composition can be prepared into dosage forms, such as missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water and micron emulsion by known methods, and has substantial effects on controlling Lepidopterous pests such as diamondback moth, beet armyworm, prodenia litura, cotton bollworm, Chilo suppressalis, mealybugs and the like, and homopteran pests with piercing-sucking mouthparts such as plant hopper, aphid, whitefly, leafhopper and the like.

The invention provides a pesticide for killing piercing-sucking type insects. The pesticide comprises dinotefuran with the mass percentage of 1%-80%, and a pesticide-acceptable addition agent combination, or comprises an effective component A and an effective component B with the mass ratio in a range from 80:1 to 1:80, and a pesticide-acceptable addition agent combination, wherein the effective component A is dinotefuran, and the effective component B is one of indoxacarb, chlorfenapyr and pymetrozine. The invention further provides a method for preparing the pesticide into soluble liquid, wettable powder, a water dispersible granule product and a suspension agent product. According to the pesticide disclosed by the invention, the dinotefuran is mainly applied to internal suction and penetration of insects, the lasting period is long and the generation of drug resistance can be retarded; the pesticide has an excellent effect for preventing and treating insects; meanwhile, the pollution to the environment is alleviated and an insecticidal spectrum can be expanded. The pesticide disclosed by the invention has excellent effects on prevention and treatment of various piercing-sucking type insects including thrips, plant hoppers, leafhoppers, aleyrodid, aphids, scale insects, tea lesser leafhoppers and the like.

The invention discloses an acaricidal composition containing biphenyl synergistic acaricides. The acaricidal composition contains two active components. The first component is a biphenyl synergistic acaricide A. The second component is selected from other acaricide active component formulations. A weight ratio of the synergistic acaricide A to the other acaricide formulations is 1:50-50:1. According to the invention, the obtained composition has an excellent control effect by compounding the synergistic acaricide A and the other acaricide formulations. Meanwhile, the composition enlarges an acaricidal spectrum and has a synergistic effect. The acaricidal composition provided by the invention can improve the control effect, reduce the agricultural cost and delay the generation of insecticide resistance of pests, has good control effect on panonchus citri M., xiupi lice, polyphagotarsonemus latus Banks, tetranychus cinnabarinus, twos potted spider mites and other pest mites, can be usedfor mete control of fruit trees, such as citrus and grapes, and solanaceous crops, such as eggplants, peppers and tomatoes. In addition, the acaricidal composition provided by the invention also has good control effect on pear psylla, lepidosaphes ulmi and leafhopper kind insects.

The invention discloses a pesticide composite containing etoxazole, comprising an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from etoxazole; the active ingredient B is selected from any of the following compounds: azocyclotin, fenbutatin oxide and diafenthiuron, wherein the weight ratio of the active ingredient A to the active ingredient B is (1-50):(1-80). The composite disclosed by the invention can be used for preventing and curing various insects, has obvious synergy, expands an insecticidal spectrum and has higher activity on cereal crops, fruit trees, flowers, cotton, tee trees, red spiders on vegetables, Panonychus citri, Tetranychus urticae Koch, Tetranychus urticae, Phyllocoptruta oleivora Ashmead, Acaphylla theae Watt, chrysanthemum mite, rose mite, aphids, aleyrodid, leafhopper, cabbage caterpillar, plutella xylostella and the like; pesticide use amount is reduced, the residual amount of the pesticide on the crop is lowered, environmental pollution is lightened, and the composite is safe to human and livestock and has good environmental compatibility and has small possibility for insects to generate resistance to drugs.

A composite insecticide in the form of microemulsion for rice borer, leaf roller, plutella xylostella, leafhopper, etc is prepared from triazophos, fipronil, emulsifier, stabilizer, cosolvent, antifreezing agent and water through proportional mixing, stirring, and emulsifying. Its advantages are high effect and less environmental pollution.

The invention discloses an insecticidal composition. The active ingredients of the composition comprise spirotetramat and bifenthrin in a mass ratio of 40:1 to 1:80. The compounding of spirotetramat and the bifenthrin produces an obvious synergistic effect and can reduce the dosage of the active ingredients and medicament application times and delay the generation of pesticide resistance of pests. The insecticidal composition can be used for preventing and controlling various pests on agricultural crops and garden crops, particularly plant hoppers, leafhopper and whitefly.

The present invention relates to a multi-effect flowable concentrate for seed coating, which comprises the effective ingredients of thiamethoxam and fludioxonil. The multi-effect flowable concentrate for seed coating of the present invention contains 1-55% of thiamethoxam, preferably 5-40%, and 1-65% of fludioxonil, preferably 5-40%. The multi-effect flowable concentrate for seed coating of the present invention can be used for seed coating, has characteristics of long duration, low toxicity and remarkable synergism, and can be applied to control of soil insects such as grub, mole cricket and wireworm in peanut, corn, wheat and rice, and control of insects with sucking mouth part, such as seedling aphide, brown planthopper, thrips, powdery mildew and leafhopper, and control of diseases of fusarium wilt, banded sclerotial blight, full rot, rice blast, powdery mildew and bacterial wilt.

The invention discloses a propylaea japonica artificial breeding, breed conservation and propagation production method. According to the invention, a host plant species and an aphid large-amount breeding technology which are used in high-efficiency host aphid propagation are selected; propylaea japonica are bred according to four development stages which are an egg stage, a larva stage, a pupa stage and an adult stage; an appropriate breeding technology is adopted according to biological and ecological characteristics of propylaea japonica; breeding equipment is tested and developed, such that propagation efficiency is improved; propylaea japonica is trapped for spawning with physical and chemical methods, such that centralized collection and breeding is facilitated; breeding and storing conditions are determined through tests; and box packages are adopted for adults and paper bag packages are adopted for larvas and eggs, such that field release and popularization are facilitated. According to the invention, a key technology for propylaea japonica large-scale propagation by using live aphids is explored, and high-quality, high-efficiency and large scale propagation of propylaea japonica is realized. The propylaea japonica is used for controlling agricultural and forestry pests such as aphids, plant hoppers and leafhoppers, such that production needs can be satisfied.

The invention discloses an insect-destroying composition comprising the effective components of screw worm ethyl and buprofezin, wherein the mass ratio of the screw worm ethyl and the buprofezin is 40:1-1:80. The screw worm ethyl and the buprofezin are compounded, have an obvious synergistic action, can lower the use quantity of the effective components, reduce the application frequency and are beneficial to delaying the generation of the drug resistance of pests. The composition can be used for preventing and treating various pests in agricultural and horticultural crops and is especially suitable for preventing and treating plant hoppers, leafhoppers, whiteflies and scale insects.

The invention discloses a leaf fertilizer for Guichang kiwi and a preparation method thereof. The leaf fertilizer is prepared from the raw materials in parts by weight: 0.5-1 part of tetramycin, 0.5-1part of sophocarpidine, 8-10 parts of chitosan, 2-4 parts of amino acid, 0.02-0.05 part of brassinolide, 20-30 parts of ammonium bicarbonate, 30-40 parts of monopotassium phosphate, 30-40 parts of potassium chloride, 30-50 parts of calcium chloride, 20-30 parts of zinc sulfate, 20-30 parts of magnesium sulfate, 20-30 parts of manganese sulfate, 20-30 parts of ferrous sulfate, 20-30 parts of sodium borate, 5-15 parts of sodium selenite, 20-30 parts of ammonium molybdate and 1-2 parts of glacial acetic acid. The leaf fertilizer has an obvious field application effect, is capable of effectivelypromoting the economic benefit, nutrition flavor quality and storage performance of Guichang kiwi and is capable of effectively inducing kiwi plant, enhancing fruit disease resistance and preventing serious pest diseases, such as, kiwi canker, soft rot and leafhopper, from happening.

The invention discloses a compound pesticidal composition containing cyfluthrin and thiamethoxam and application thereof. The pesticidal composition adopts cyfluthrin and thiamethoxam as pesticidal active ingredients, wherein the weight ratio of cyfluthrin to thiamethoxam is 1 to 60:1 to 60. The pesticidal composition can generate a high synergistic effect, and can overcome and retard the pesticide resistance of pests, the pesticidal speed is high, the persistence is long, the application cost is reduced, and the control effect of the compound pesticidal composition is far better than the control effect of single agents. The compound pesticidal composition can control resistant insect pests of hemiptera on crops, and particularly can be used for controlling mealy aphids, leafhoppers and whiteflies, and the effect of the compound pesticidal composition is far better than the effect of single agents.