26 results about "Spider mite" patented technology

The invention belongs to the technical field of gene engineering, and particularly relates to application of TuPK39 protein in stimulating plant defense reaction. The invention finds that the TuPK39 protein has a new application of stimulating plant defense reaction, and tests find that the TuPK39 protein can cause plant cell necrosis reaction, stimulate plant reactive oxygen bursting and stimulate expression of plant defense genes, and provides research basis and technical support for subsequent prevention and control research of pests including tetranychid mites.

The present invention provides an indoxacarb-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is indoxacarb, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially in prevention and control of chilo suppressalis. Experiments prove that the binary composition obtained by compounding flufenican amide and indoxacarb in a proper proportion has a remarkable synergistic effect, so that the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I)

This invention belongs to the field of pharmaceutical synthesis technology, specifically relating to indomethacin derivatives, their synthesis methods, and applications. The derivatives possess the chemical structures described in formulas (I), (II), and (III). This invention is the first to propose a series of novel indomethacin derivatives. Furthermore, this invention also proposes a synthesis method for indomethacin derivatives, using 5-hydroxy-1-indanone as a base material, to obtain the indomethacin derivatives of this invention through a series of reactions. This synthesis method yields high-yield products that are easily separated, making it the optimal method for preparing the indomethacin derivatives of this invention. Bioassays have confirmed that the indomethacin derivatives provided by this invention exhibit good toxic activity against aphids, spider mites, and armyworms, and can be applied to the control of plant pests.

The utility model relates to a biological assay device for arthropods, and discloses a device for carrying out biological assay on spider mites on living plant leaves, which comprises a base (1), a telescopic device (2) and a storage platform (3). A fixing hole (11) is formed in the base (1); the telescopic device (2) is connected with the base (1) through a bolt, the telescopic device (2) comprises an outer pipe (22) and an inner pipe (21), and the outer pipe (22) is provided with a fixing bolt used for fixing the relative position of the inner pipe (21); the storage platform (3) is fixedly connected with the upper part of the inner pipe (21); the utility model has the advantages that the leaf is not easy to damage, the system stability is good, the position of the culture dish is adjustable, the whole device is easy to move, the observation is easy, and the like, and can better complete the biological assay test of the tetranychid on the living plant leaf.

The present invention provides a chitin synthesis inhibitor compound-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is buprofezin, lufenuron, cyromazine, diafenthiuron, diflubenzuron, chlorbenzuron, hexaflumuron or chlorfluazuron, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially brown planthopper, beet armyworm or liriomyza sativae. The invention verifies that the binary composition of the inhibitor insecticide synthesized from the flufenutraniliprole and the chitin has a remarkable synergistic effect, effectively improves the control effect, reduces the dosage and expands the insecticidal spectrum. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I).

The present invention provides a pyridaben-containing pesticide composition, which comprises a first effective component and a second effective component, the first effective component is a compound having a structural formula (I), the second effective component is pyridaben, and the weight ratio of the first effective component to the second effective component is 1-50: 1-50. The invention provides an application of the pesticide composition in prevention and control of agricultural and forestry pests, especially in prevention and control of phyllotreta striolata. The invention verifies that the binary composition obtained by compounding the flufenoxanil and the pyridaben in a proper proportion has a remarkable synergistic effect, so that the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae. (I)

The invention provides a pesticide composition containing a pyrethroid compound, which consists of a compound with a structural formula (I) and a second effective component, the second effective component is bifenthrin, beta-cyhalothrin, fenpropathrin, beta-cyhalothrin, beta-cyhalothrin, beta-cyhalothrin, cypermethrin, cyfluthrin, deltamethrin, ethofenprox, fenvalerate or cis-cypermethrin, and the weight ratio of the bifenthrin, the beta-cyhalothrin, the fenpropathrin, the fenvalerate and the cis-cypermethrin is (1-50): (1-50). The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially phyllotreta striolata, ostrinia nubilalis or tetranychus cinnabarinus. The invention verifies that a remarkable synergistic effect can be obtained by compounding the flufenoxanil and the pyrethroid insecticide in a proper proportion, the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are realized, and the composition has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle and tetranychid mites, and has a good control effect on the target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis. (I).

The invention discloses a canopy scale cotton spider mite damage degree detection method and device, a medium and a product, and relates to the field of plant damage detection.The method comprises the steps that two leaf scale cotton spider mite damage degree detection models are constructed based on ResNet1D and MobileNet1D models respectively; adopting two leaf scale tetranychus gossypii damage degree detection models to predict leaf scale tetranychus gossypii damage degrees based on the obtained image color and texture features and the average spectrum, and obtaining color texture and spectrum key waveband features in the prediction process; and adopting the constructed three-branch feature fusion network model to obtain a canopy scale cotton spider mite damage degree detection result based on the spectrum key waveband features, the color texture key features and the RGB image. According to the method, potential association among different modal features can be deeply mined, and automatic and accurate detection of the damage degree of the cotton spider mites in the natural environment is realized.

The invention relates to agriculture. Liquid complex fertilizer contains colloidal silver, macroelements and microelements in the form of salts and metal-ethylenediaminetetraacetic acid chelates, additionally contains sodium tallow amphoteric polycarboxyglycine, polyvinylpyrrolidone, structured water formed by preliminary addition of shungite. All components are added in certain proportions. The invention allows to increase the following properties: acaricidal activity against common spider mites, insecticidal activity against common potato aphids, antiviral activity against tomato yellow leaf curl virus, and stability of the fertilizer as a colloidal system.

Compounds of formula (II) wherein A, B, G, W, X, Y and Z may have the meanings given in the description are well suited for treating ground / growth substrates against animal pests such as insects and / or red spider mites by ground irrigation or drip or immersion application.

The invention relates to a pesticide composition containing a nicotine compound and application of the pesticide composition. The pesticide composition is prepared from flufenican amide, acetamiprid, thiamethoxam or clothianidin and the like. The pesticide composition has an obvious synergistic effect, the usage amount of pesticides is reduced, the residual amount of the pesticides on crops is reduced, and the environmental friendliness is enhanced. The pesticide composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle, spider mites, brown planthopper or liriomyza sativae.

The invention discloses an AvHel31B target gene for preventing and treating tetranychus crataegus, application of the AvHel31B target gene, dsRNA synthesized by the AvHel31B target gene and application of the dsRNA. The nucleotide sequence of the AvHel31B target gene is as shown in SEQ ID NO. 1, and the nucleotide sequence of the dsRNA is as shown in SEQ ID NO. 2; after the AvHel31B is interfered, the egg laying amount of the tetranychus crataegus is obviously reduced, and the survival rate is obviously influenced due to abnormal growth and development, so that the prevention and treatment aim is achieved; the method is convenient to operate, good in effectiveness and sensitivity and high in insecticidal efficiency, has the advantages of being environmentally friendly and the like, and has a good application prospect.

The application belongs to the technical field of pesticide mite killing, and discloses a pesticide composition and application thereof. The pesticide composition comprises active ingredient A and active ingredient B. The active ingredient A is (4'-chloro-6-fluoro-4-methyl-[1,1'-biphenyl]-3-yl)(2,2,2-trifluoroethyl) sulfide. The active ingredient B is any one of spirodiclofen or bifenazate. The mass ratio of the active ingredient A to the active ingredient B is 1:52-45:1. The pesticide composition has good control effect on citrus leaf mite and two-spotted spider mite, is fast-acting, and has long effective period.

The application discloses a corn spider mite resistance related molecular marker and application thereof. The application provides application of a substance for detecting the genotype of a SNP site Zm000011d042337@161,938,641 in a corn genome in at least one of the following: A1) identifying or assisting in identifying corn spider mite resistance; A2) breeding corn with high spider mite resistance; the SNP site Zm000011d042337@161,938,641 is the 23rd site in sequence 2. The application firstly finds two genes Zm000011d042333 and Zm000011d042337 related to mite resistance in corn, and identifies the mite resistance of corn according to the genotype of the SNP site on the gene, which creates a basis for breeding or screening resistant corn breeding resources.

The invention provides a primer combination for multiplex PCR (polymerase chain reaction) detection of three spider mites and application of the primer combination, and belongs to the technical field of molecular biology. The primer combination disclosed by the invention is shown as SEQ ID NO.1-SEQ ID NO.6. The multiple PCR method established by the invention can be used for simultaneously realizing the rapid identification of the starting tetranychus sex-point, the eutetranychus orientalis and the red mites and the rapid detection of the three tetranychus mites in the intestinal tracts of the natural enemies in the same reaction system, and has good specificity and sensitivity, and the primer combination disclosed by the invention can be used for simultaneously realizing the rapid identification of the starting tetranychus sex-point, the eutetranychus orientalis and the red mites. The whole process comprises total DNA extraction, PCR amplification and electrophoretic analysis, and can be completed within 8 hours, so that the detection time is shortened, the detection efficiency is improved, and the sensitivity is high. The multiplex PCR detection method has the advantages of rapidness, time saving, cost saving and the like when being used for detecting the three kinds of tetranychid mites in the field, and has a wide application prospect.

This invention discloses a traditional Chinese medicine compound preparation for the green control of citrus red spider mites, comprising principal, assistant, adjuvant, and guiding herbs: the principal herbs include: 15-20 parts of Veratrum nigrum and 15-20 parts of Stemona japonica; the assistant herbs include: 10-15 parts of Trichosanthes kirilowii, 10-15 parts of Melia toosendan, and 10-15 parts of Zingiber officinale; the adjuvant herbs include: 8-12 parts of Cnidium monnieri, 8-12 parts of Zanthoxylum bungeanum, and 8-12 parts of Ginkgo biloba; the guiding herbs include: 5-10 parts of Gleditsia sinensis, 5-8 parts of Mentha haplocalyx, and 5-8 parts of Glycyrrhiza uralensis. In the field of biological control of agricultural pests, the raw materials of traditional Chinese medicine are locally grown medicinal herbs with no chemically synthesized pesticide residues. They have low toxicity to mammals, birds, bees, and the main natural enemies of citrus (adult predatory mites), and meet the standards of organic agriculture and green food production. The compound preparations are formulated according to the "principal, assistant, adjuvant and guide" principle to exert a synergistic effect, and have comprehensive effects of contact killing, stomach poisoning, repellency, and inhibition of egg laying and hatching. The field control efficacy can reach more than 89%, and the rapid effect and the duration of effect (10-15 days) are balanced.

FIELD: agriculture.SUBSTANCE: method for breeding the predatory mite Neoseiulus reductus involves the use of a substance and a feed mite for its reproduction, wherein wheat plants are used as the substance, and the spider mite Oligonychuspratensis is used as the feed mite, the process is carried out by growing wheat hydroponically for 8–9 days until the 2-leaf phase, followed by populating the wheat plants with the Banks grass mite Oligonychuspratensis at a rate of 10 females per plant and releasing the predatory mite Neoseiulusreductus onto the wheat plants in the third leaf phase at a rate of 10 females per plant, maintaining the resulting mite composition at a temperature of 25–27 °C and air humidity of 70–80% until the tillering phase and the collection of predatory mites Neoseiulusreductus.EFFECT: creation of an effective method for breeding the predatory mite Neoseiulusreductus of the Phytoseiidae family, which makes it possible to obtain a high number of the predatory mite Neoseiulusreductus.1 cl, 3 tbl, 2 ex

The invention relates to the technical field of gene editing, in particular to a gRNA composition of a targeted CYP392E1 gene for preventing and treating tetranychus urticae and application of the gRNA composition. The CYP392E1 gene of which the nucleotide sequence is shown as SEQ ID NO.1 and any one of the following applications of gRNA of which the nucleotide sequence is shown as SEQ ID NO.2: 1) preventing and treating tetranychus urticae, and / or preparing a medicine for preventing and treating tetranychus urticae; and 2) reducing the resistance of the tetranychus urticae to the acaricide, and / or preparing a drug for reducing the resistance of the tetranychus urticae to the acaricide. The gRNA is designed by applying a gene knockout technology, especially aiming at a detoxification enzyme gene for regulating detoxification metabolism in a pest mite body, a compound consisting of the gRNA composition and cas9 protein is delivered into a tetranychus urticae body by utilizing a microinjection technology, and the gRNA composition loses the function of a target gene, reduces the detoxification metabolism capability of a medicament, and can be used for treating the pest mite body. The resistance reversion of the two-spotted spider mites is promoted, so that the aim of preventing and treating the two-spotted spider mites is

The application discloses an insecticidal composition and a preparation method and application thereof, relates to the technical field of pesticides, and is not limited to the technical field of pesticides. The effective components of the insecticidal composition of the application include flutriarim and spirodiclofen, different types of components are compounded, and the insecticidal composition has obvious synergistic effects on cotton bollworms, turkestan leaf mites, two-spotted spider mites, truncated spider mites, corn borer moths and thrips through multiple different action modes, and is obviously superior to the effects of flutriarim single agent, spirodiclofen single agent and other preparations. While effectively reducing the dosages of flutriarim and spirodiclofen, the insecticidal composition can expand the target range of the two insecticides, reduce the number of pesticide application times and reduce production costs.

This invention relates to the field of pest control technology, specifically a method for jasmine cultivation using high-density mesh netting for pest control. The method includes the following steps: scaffolding construction; mesh netting coverage; mesh netting fixation; operation management; film pressing line fixation; and windproof reinforcement. This invention constructs a scaffolding structure and covers it with 30-150 mesh high-density insect-proof mesh netting. The bottom of the mesh netting is buried in the soil and compacted. The seams are secured with double stitches or snap fasteners, forming a fully enclosed physical barrier that completely blocks the entry paths of adult beet armyworms, jasmine flower borers, whiteflies, and spider mites. This eliminates the need for any chemical pesticides during the jasmine harvesting period. It solves the problems of overlapping pest generations leading to no safe interval, excessive pesticide residues, and interference with fragrance in traditional cultivation. This method ensures that jasmine pesticide residues meet EU export standards, significantly increases the content of key aroma substances, and produces intact, deformed flower buds.

The application belongs to the technical field of plant protection, and discloses application of noviomycin and a composition thereof in killing mites. It is found for the first time that the noviomycin compound has the effect of killing mites, and when the noviomycin compound is used in combination with an antibiotic insecticide and miticide, the synergistic effect is achieved, the activity of the mite-killing drug to the drug-resistant mites can be significantly improved, the drug resistance of the existing mite-killing drug is delayed, the use of the mite-killing drug is reduced, the application can be used for preventing and treating agricultural mite damage, and has a good application prospect in plant protection.

The present application relates to a kind of biological pesticide insecticidal composition containing matrine and liuyangmycin plant extract, and its effective component is matrine and liuyangmycin, and the ratio of the two is (1-2) :(15-30). The present application has obvious synergistic effect with the complex insecticide of matrine and liuyangmycin as effective component, and has good quick-acting and persistent effect, and the dosage of effective component is less, which reduces production cost and use cost, and is especially suitable for preventing and treating red spider mites and chinch bugs.

The invention discloses a hydrotalcite-loaded RNA (Ribonucleic Acid) biopesticide as well as a preparation method and application thereof. The hydrotalcite loaded RNA biopesticide comprises a hydrotalcite nanosheet and dsRNA loaded on a hydrotalcite nanosheet carrier, the dsRNA is dsFusion, and the nucleotide sequence of the dsRNA is as shown in SEQ ID NO.5. The invention further discloses a preparation method of the hydrotalcite loaded RNA biopesticide. The hydrotalcite-loaded RNA biopesticide can effectively prevent and control various different spider mites at the same time, and in addition, the hydrotalcite-loaded RNA biopesticide has no obvious influence on natural enemy biological predatory mites, and has high fatality rate of harmful mites and good application prospects.

The present application relates to trifluoroethyl sulfide derivatives and its preparation method and application. It is synthesized by sulfurylation, reduction, nucleophilic substitution and other reactions with 4-chloro-2-methyl aniline as raw material. The high activity trifluoroethyl sulfide intermediate. Based on the intermediate synthesized in the early stage, the urea and hydrazone modification routes are designed respectively: the urea group is introduced by classical reactions such as isocyanate method and urea condensation method to construct trifluoroethyl sulfide-urea bifunctional derivative; the hydrazone group is introduced by condensation reaction of carbonyl compound and phenylhydrazine to prepare hydrazone derivative containing trifluoroethyl sulfide structure and heterocyclic product. And it has good prevention and control effect on two-spotted spider mites, and has good agricultural application prospect.

The invention belongs to the technical field of citrus pest control, and particularly relates to a cyflumetofen-containing active pesticide composition for controlling citrus pests. The invention relates to a cyflumetofen-containing active pesticide composition for controlling citrus pests, which is composed of bis (demethoxycurcumin) and a compound I according to a mass ratio of (1-300): (300-1), and the compound I is cyflumetofen. According to the pesticide composition, the action mechanism of the bisdemethoxycurcumin to target pests is different from that of other components, the bisdemethoxycurcumin and the other components have a synergistic effect on the panonychus citri when being compounded, and compared with a single effective component, the prevention and control effect on the panonychus citri can be improved, the dosage of pesticide can be reduced, and the pesticide cost is reduced. The pesticide residue of the pesticide on the citrus fruits is reduced, the environmental pollution is reduced, and a support can be provided for seeking a novel efficient medicament for preventing and treating the citrus panonychus citri.