48 results about "Tetranychus" patented technology

The invention provides a method for propagating Oriusminutus artificially, which comprises the following steps: cultivation of spawning substrate, feeding of host; preparation of instruments of production, preparation of artificial feedstuff and preparation of seeds are carried out; under the conditions of 25 DEG C, 75% of PH and 16L:8D of illumination, kidney bean buds are taken as the spawning substrate, and Tetranychus cinnabarinus or the artificial feedstuff is used for feeding; firstly, the kidney bean buds on which the Oriusminutus spawn is produced are placed in a large tray, and kidney bean seedlings with proper Tetranychus cinnabarinus are placed in the large tray by interpenetration, according to the age period of Oriusminutus, the number of the proper Tetranychus cinnabarinus is confirmed; then the Oriusminutus with the tray are placed in an insect breeding cage for feeding the Oriusminutus. Spawn needs 12-16 days to grow to be imago, and the production period is about 30 days. The method is applicable to feeding with large amount and being promoted, thus laying the solid foundation for producing Oriusminutus with large amount and providing great convenience to biological control.

Provided are a lycoris radiata bulb extractive pesticide and a method for preparing an extractive. Lycoris radiata bulbs can be manufactured into the lycoris radiata bulb extractive pesticide in forms of missible oil, microemulsion, wettable powder and the like through certain processing procedures. The lycoris radiata bulb extractive pesticide has good insecticidal ovicidal activities to tetranychus, plutella xylostella, vegetable aphides, armyworms and pine wood nematodes and protective effect in fields and woodlands. The pesticide is remarkable in effect, low in toxicity and residuals, simple in preparing process, low in cost and suitable for popularization and application and accords with the development tendency of existing pesticides, and pests do not easily produce drug resistance.

The invention belongs to the technical field of pesticide and midbody synthesis, particularly relates to a synthesis method for bifenazate. In the synthesis method for the bifenazate, a target product is synthetized by taking para-hydroxydiphenyl as a raw material through nitration, methylation, hydrogenated reduction, diazotization, diazonium salt reduction and an acylation one-step method, wherein acylation reaction is directly performed on hydrazonium salt without treatment, thus, the experimental procedure is shortened, the yield is improved to above 65 percent from 50 percent, the conversion rate of a reaction product is high, and the purification treatment is easy to perform. The synthesis method for the bifenazate has the advantages that the operation is simple, the condition is mild, the yield is high, the cost is low, and the like, is easy to carry out industrial production and has a wide application prospect. The bifenazate synthetized by the invention can be used as a specific acaricide, is active in active stage of tetranychid, can also control pests, such as Tetranychus urticae, in the egg stage, and is used for cotton, hop and certain fruiter crops to effectively prevent all mites in the growth stage.

The invention relates to an acaricidal composition containing fluacrypyrim and bifenazate, and the acaricidal composition has the active ingredient prepared by binary compound of the fluacrypyrim and the bifenazate. The mass ratio between the fluacrypyrim and the bifenazate is 6:30, 9:27, 12:24, 15:21 or 18:18; in the preparation, the total mass of the fluacrypyrim and the bifenazate in the active ingredient accounts for 1-75% of the total mass of the whole preparation, and the rest components of the preparation are auxiliary components which are allowed to be used or accepted by pesticide. The compound pesticide composition can be made into pesticide formulations such as emulsion oil, suspending agent, wettable powder, water dispersible granules, emulsion in water and microemulsion. The acaricidal composition is mainly used for preventing red spiders of apples, citrus and grapes, tetranychus urticae and Mc Daniel mites of the apples as well as tetranychus urticae and Lewis mites of ornamental plants.

The invention relates to a chalcone compound derived from Beta-ionone and a preparation method and an application thereof. The preparation method for the compound specifically comprises the followingsteps: in an organic solvent, and in the presence of a trapping agent, performing a condensation reaction on the Beta-ionone and substituted cinnamyl aldehyde, to obtain the compound. The provided chalcone compound derived from the Beta-ionone has apparent attractive activity of apolygus lucorum and insecticidal activity of plutella xylostella and tetranychus cinnabrinus, and has the direct control effect to the apolygus lucorum, the plutella xylostella and the tetranychus cinnabrinus. In addition, the preparation method is simple in process, easy to implement, less in by-product, higher in yield, and low in cost, and has a practical application value in agricultural production, and extensive application prospect.

The invention discloses a bacillus amyloliquefaciens strain W1 for controlling plant spider mites and application. The preservation number of the strain W1 is CGMCC No.11949. The strain W1 is obtained by being separated from naturally died two-spotted spider mites, and the fatality rate of the strain W1 reaches 92.3% according to mite-killing experiments in a culture dish. According to greenhouse control effect experiments, the control effects of the strain on the spider mites on maize leaf blades, strawberries, tomatoes and broad beans and the spider mites in apple trees and pear trees in an orchard all reach 80% or above.

The invention discloses a pesticide composition containing etoxazole. The pesticide contains an active ingredient A and an active ingredient B, wherein the active ingredient A is etoxazole, the active ingredient B is anyone of the following compounds: bifenthrin and buprofezin, and the ratio of the active ingredient A to the active ingredient B in parts by weight is (1-60): (60-1). The composition disclosed by the invention can be used for preventing and controlling multiple insects and has obvious synergic effect, a bactericidal spectrum is widened, and activities on rice planthopper, scale insect, arrowhead scales, lesser green leaf hoppers, red spiders, carposina nipponensis, tetranychus mites, panonychus ulmi koch and the like on cereal crops, fruit trees, flowers and plants, cotton plants and tee trees are higher; meanwhile, application quantity of pesticide is reduced, residual amount of the pesticide on crops is reduced, and environmental pollution is reduced; and the pesticide composition is safe to people and livestock, environmental compatibility is good, and the insects are difficult to be resistant to the pesticide composition.

The invention relates to an insecticidal composition containing tenvermectin. In the composition, tenvermectin and a component B are compounded according to a specific ratio, wherein the component B is selected from a group consisting of phenylpyrazoles, pyrethroids, anabasines, diamides, macrolides and organophosphoruses. The composition has excellent synergistic effect on prevention and treatment of a plurality of insects such as Tetranychus cinnabarinu, Tetrangchus urticae Koc, Plutella xylostella, Laphygma exigua, Spodoptera litura, Laodelphax striatellus, red spiders, Agrotis ipsilon, wireworms, armyworms, pine caterpillars, pine wilt diseases or rice stem borers.

The invention belongs to the technical field of compounding pesticides, and specifically relates to missible oil containing flonicamid and bifenthrin and an application of the missible oil. The effective components of the missible oil are flonicamid and bifenthrin in a weight ratio of 20:1-1:1. The missible oil containing flonicamid and bifenthrin is particularly beneficial to prevention and treatment of tetranychus telarius linne by virtue of synergistic interaction effects of the components.

The invention relates to water dispersible granules having 2.3% of effective components being veratrine and aldicarb, wherein the veratrine content is 0.3%, and the aldicarb content is 2%. The water dispersible granules are used for prevention and treatment of Chinese rose tetranychus cinnbarinus. The water dispersible granules are obtained through a conventional preparation process, the composition has quite good prevention and treatment effect on the Chinese rose tetranychus cinnbarinus, with utilization of the collaborative additive effect of veratrine and aldicarb, the prevention and treatment effect on the Chinese rose tetranychus cinnbarinus is effectively enhanced, and the persistent effect period is long.

The invention relates to a fast detection method of kdr (Knockdown Resistance) caused by the mutation of tetranychus cinabarinus boisdu F1538I. According to the fast detection method disclosed by the invention, PCR (Polymerase Chain Reaction) detection is carried out aiming to the mutation of the kdr (Knockdown Resistance) of a tetranychus cinabarinus boisdu sodion channel gene, and the target resistance (kdr) of the tetranychus cinabarinus boisdu to pyrethroid insecticides and miticides can be fast monitored by virtue of primer design, extraction of a tetranychus cinabarinus boisdu genome DNA (Deoxyribonucleic Acid), PCR (Polymerase Chain Reaction) amplification and the like. With the adoption of the fast detection method, a great amount of biological testing pieces can be saved, the operation is simple, and a result is fast and definite; and the fast detection method can be used for replacing conventional biological determination method used for grasping the drug resistance occurrence and development trends of the tetranychus cinabarinus boisdu to the pyrethroid insecticides and miticides.

The invention discloses a phenoxyl pyrilamine compound which has a structural general formula I as shown in the specification, wherein definitions of substituents in the formula are as shown in the specification. The compound has broad-spectrum bactericidal, insecticidal and acaricidal activity, has excellent prevention and control effects on diamondback moths, armyworms, myzus persicae and tetranychus cinabarinus boisdu, and particularly has the better prevention effect on the myzus persicae and the tetranychus cinabarinus boisdu. The compound shows the good bactericidal activity at the same time, and a part of the compound has the excellent prevention and control effects on diseases such as cucumber downy mildew, wheat powdery mildew, puccinia sorghi and rice blast at a very low dose.

The invention discloses an ultra-low volume (ULV) liquid comprising fenpyroximate and triazoles bactericide. The liquid comprises (by weight) 0.5-10% of fenpyroximate, 0.5-15% of triazoles bactericide, 1-15% of surfactant, and the balance of solvent. The triazoles bactericide is selected from any one of epoxiconazole, hexaconazole, propiconazole, flutriafol, metconazole and myclobutanil. The inventive ULV liquid combines fenpyroximate and above selected broad spectrum triazoles bactericide as effective ingredients, to realize rapid pest killing, good and lasting effects. The liquid provided by the invention is applicable to prevent and control Tetranychus cinnabarinns (Boisduval) and Panonychus on various plants; and also has good effects in preventing and controlling pests (such as Plutella xylostella, Prodenia litura, striped rice borer, rice planthopper and Myzus persicae) and diseases (such as rice blast, anthracnose, powdery mildew and downy mildew).

The invention discloses an insecticidal composition containing tolfenpyrad. The insecticidal composition comprises an active component A and an active component B, wherein the active component A is selected from the tolfenpyrad, the component B is selected from anyone of propargite, clofentezine, and pyridaben, and a weight ratio of the active component A and the active component B is 1 : 70 to 70 : 1. The composition can prevent and control a plurality of insects, is obvious in synergy effect, capable of expanding insecticidal spectrum and relatively high in activities on rice hopper, aphid, Bemisia tabaci, Trialeurodes vaporariorum, Empoasca pirisuga Matumura, Tetranychus cinnbarinus, Panonychus citri, and Phyllocoptes on vegetables, fruit trees, cottons, and paddy rice; the composition reduces pesticide dosage and residual quantity of the pesticide on crops, alleviates environment pollution, and is safe to human and animals and good in environmental compatibility. Pests are not easy to have drug resistance.

The invention relates to an acaricidal composition, in particular to an acaricidal composition containing spirodiclofen and cyflumetofen, which is particularly used for preventing panonychus citri, European red mites, European red two-spotted spider mites and cotton leaf mites. The acaricidal composition has an obvious synergistic effect on mite killing as compared with a single pesticide, can kill egg, larva, nymph and adult of acarid, and is contributed to postponing the generation of pesticide resistance of bacteria.

The invention discloses a sequence characterized amplified region (SCAR) marker of tetranychus truncates ehara, a specific PCR detection method and a kit of tetranychus truncates ehara. The SCAR marked nucleotide sequence is as set forth in SEQ ID NO.1. The specific PCR detection method is characterized by that: a specific primer used in the detection is designed by the SCAR marked sequence, and a target amplified region is on the SCAR marked sequence. The specific PCR detection method and the kit of tetranychus truncates ehara provided by the invention have the advantages of strong specificity, high detection efficiency, good operability and the like, thus being capable of being widely used as a low-cost detection technology of tetranychus truncates ehara.

The invention relates to a semi-artificial diet preparing and breeding method of tetranychus cinnabarinus. The method is characterized in that: any four or more than four of saccharose, beer yeast powder, fresh yolk, multi-vitamins, KH2PO4 and Na2HPO4 are taken to form a mixture of more than 10 g and less than 30 g, then 164 g of water, 0.005 g of streptomycin sulphate and 0.2 g of sorbic acid are added into the mixture, the volume is metered to 200 ml, then 30 ml of an aqueous liquid ofkidney beanleavesis added to form a semi-artificial diet for the tetranychus cinnabarinus, and the semi-artificial diet is used in the method for breeding the tetranychus cinnabarinus.A novel liquid is provided for the maintenance and amplification of the tetranychus cinnabarinuspopulation, the tetranychus cinnabarinuspopulation is maintained and reproduces within a certain period of time, and particularly, the method is used to store the food for thetetranychus cinnabarinus for a long period of time.

The invention discloses a CAPS marking method for detecting avermectin resistance related gene mutation of spider mites. Spider mite population GluCl3 gene to be detected which contains a gene fragment with G326E mutation is amplified, and enzyme sites are analyzed, wherein a Hinf I enzyme site exists in the amplified fragments of the sensitive population, and the site does not exist in the resistance homozygosis population, amplified fragments containing the Hinf I enzyme site exist in the resistance heterozygosis population, and amplified fragments without the site exist in the resistance heterozygosis population. The method can be used for replacing traditional biological assay methods, and has the advantages of little manpower and few sample amounts, large detection quantity, high sensitivity, good specificity, rapid and simplicity, and accuracy and reliability; the method is suitable for rapid diagnosis of avermectin resistance of Tetranychus urticae field population, and is usedfor carrying out real time monitoring and early warning forecast of avermectin resistance of field spider mites at the same time; the method has important meaning for avermectin resistance monitoringof field spider mites, and application prospect is wide.

The invention relates to a method for simply and efficiently utilizing predatory mites to prevent and control strawberry tetranychus mites. The method for preventing and controlling strawberry tetranychus mites through combining polyphagous predatory mites and phyoseiulus persimilis is specifically characterized in that the polyphagous predatory mites and the phyoseiulus persimilis are released for continuous 3 months or 4 months during 4 months from December of the current year to March of the next year. The invention provides the method for utilizing polyphagous predatory mites and phyoseiulus persimilis continuously in each month for the first time; a characteristic that the hunting capacity of the polyphagous predatory mites is stronger than that of the phyoseiulus persimilis at a low temperature condition is effectively combined with high efficiency of preventing and controlling the tetranychus mites by the phyoseiulus persimilis, so that relatively good prevention and control effects are realized, and a condition that the strawberry tetranychus mites cannot be prevented and controlled through independently utilizing the polyphagous predatory mites or the phyoseiulus persimilis can be solved; and the method is also simple to operate, is easily accepted by farmers and can achieve the effect of efficiently preventing and controlling the strawberry tetranychus mites without the need of investigating conditions of the tetranychus mites in advance and mechanically and continuously utilizing the predatory mites.

The invention discloses a composite which is used for killing pests and mites, contains alpha-cyano-N-phenmethyl pyrazole amide compounds; the composite takes alpha-cyano-N-phenmethyl pyrazole amide compounds of the formula (I) and pyrethroid compounds as the active ingredients. The composite has the characteristics of killing pests and mites, and synergy to the tetranychus mites.

The invention discloses a spider mite preventing and treating compound leaf fertilizer and a preparation method thereof. The spider mite preventing and treating compound leaf fertilizer comprises the following components in percentage by weight: 8% of geranium extract liquor, 30% of potato stem leaf extract liquor, 25% of beet root extract liquor, 15% of wormwood extract liquor, 1% of boric acid and 21% of emulsifier, wherein the components are processed and prepared into emulsion. During the use, water is added to the spider mite preventing and treating compound leaf fertilizer to obtain liquid which is 500-1000 times of the original weight to carry out spraying; tests prove that the mixture which is 500 times of the original weight has the remarkable effect in the frequently occurred two-spotted spider mites and purple spider mites, and after continuously spraying the mixture for 7 days, the spider mites become colloids; every 7 days, the 1000-times liquid is used for preventing spider mite; in the frequently occurred areas, no spider mites invade to the sprayed areas; and moreover, the spider mite preventing and treating compound leaf fertilizer has trace elements required by the growth of the plants, has a product for promoting the photosynthesis, and has elements for forming carbohydrate so as to promote blossoming and fruit bearing. The spider mite preventing and treating compound leaf fertilizer is safe, environment-friendly and non-toxic, has trace element fertilizer and has the function of preventing and treating spider mites.

The invention provides a preparation method of a fluorine-containing tank-mix environmentally-friendly adjuvant. The method mainly comprises the step of uniformly mixing the following materials to obtain the adjuvant, in parts by weight: 1-90 parts of a fluorocarbon surfactant, 1-90 parts of alkylphenol polyoxyethylene ether, 1-90 parts of alkyl glycoside, and 1-40 parts of ether modified polysiloxane. The adjuvant provided by the invention can obviously improve efficacy of a pesticide, and has a physical insecticidal function, especially remarkable effects on tetranychus cinnbarinus, aphids and trialeurodes vaporariorum.

The invention relates to an efficient pesticide composition for killing of agricultural pests, and the efficient pesticide composition comprises the following components by weight: 10-50 parts of bifenthrin; 20-40 parts of hydramethylnon; and 20-60 parts of flumethrin. The efficient pesticide composition has the advantages that: the efficient pesticide composition has obvious synergistic effect, can reduce the dosage of effective components, reduces the use cost, delays the development of pest drug resistance, effectively reduces the environmental pollution and pesticide residues, has obvious killing effects on tetranychus telarius linne, corn earworm, peach fruit borer, oriental fruit moth, tetranychus viennensis, panonychus citri mcg, erthesina fullo thunberg, halyomorpha halys, brevicoryne brassicae, cabbage caterpillar, plutella xylostella, tetranychus cinnabarinus, caloptilia theivora and other more than 20 insect pests, trialeurodes vaporariorum, tea geometrid, euproctis pseudoconspersa and other insect pests, and at the same time, can reduce the damage to the environment.

The invention provides a method for propagating Oriusminutus artificially, which comprises the following steps: cultivation of spawning substrate, feeding of host; preparation of instruments of production, preparation of artificial feedstuff and preparation of seeds are carried out; under the conditions of 25 DEG C, 75% of PH and 16L:8D of illumination, kidney bean buds are taken as the spawning substrate, and Tetranychus cinnabarinus or the artificial feedstuff is used for feeding; firstly, the kidney bean buds on which the Oriusminutus spawn is produced are placed in a large tray, and kidney bean seedlings with proper Tetranychus cinnabarinus are placed in the large tray by interpenetration, according to the age period of Oriusminutus, the number of the proper Tetranychus cinnabarinus is confirmed; then the Oriusminutus with the tray are placed in an insect breeding cage for feeding the Oriusminutus. Spawn needs 12-16 days to grow to be imago, and the production period is about 30 days. The method is applicable to feeding with large amount and being promoted, thus laying the solid foundation for producing Oriusminutus with large amount and providing great convenience to biological control.

The invention belongs to the technical field of agricultural microbiology, and particularly relates to a protein BVP10 for preventing and treating spider mites and application of the protein BVP10. The protein is shown as SEQ ID NO.2. The medial lethal concentration of the BVP10 protein to tetranychus urticae is 19.07 mug / mL, the medial lethal concentration of the BVP10 protein to panonychus citri is 58.05 mug / mL, the medial lethal concentration of the BVP10 protein to tetranychus cinnabarinus is 36.08 mug / mL, the prevention and treatment effect on strawberry red spider mites is 79.53 percent to 95.45 percent, and the protein provides new selectivity for preparation of novel acaricides.

The invention discloses a breed conservation breeding method for Tetranychus cinnabrinus. The method comprises the steps that a box with a box cover is taken, a sponge with the section slightly smaller than a box body is arranged at the bottom inside the box in a cushioned mode, a layer of black plastic film with the area slightly smaller than the sponge is laid on the sponge, a proper amount of water is added, a moisture cotton sliver wraps the black plastic film, a half of the cotton sliver is arranged on the plastic film, and the other half of the cotton sliver is arranged on the sponge; cleaned and fresh erythrina crista-galli leaves are wiped dry, leaf stalk is wrapped by the moisture cotton, the back sides of the leaves face upwards, the leaf stalk is pressed by the cotton sliver, a plurality of fresh erythrina crista-galli leaves are placed, Tetranychus cinnabrinus is picked up to be placed on the leaves, the box cover covers the box reversely, and a gap is formed in the length direction of the box in a staggered mode; according to the breeding condition, the temperature is 25-27 DEG C, the relative humidity is 60-70%, the photoperiod is 14L:10D, and the leaves are replaced with fresh ones every two days. The population size of the Tetranychus cinnabrinus can be effectively controlled, and the population can be stored for a long time, so that the Tetranychus cinnabrinus sensitivity or high resistance strain is obtained.