34 results about "Fall webworm" patented technology

Belonging to the field of biological control of pests, the invention discloses a Bacillus thuringiensis strain that has a broad spectrum and is highly effective on lepidoptera pests, preparation of its wettable powder and application. The Bacillus thuringiensis YX-1 strain involved in the invention is preserved in China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 5256. Containing a plurality of insecticidal genes, the strain has a highly effective lethal effect on Cydia molesta, cotton bollworm, fall webworms, Adoxophyes orana Fisher von Roslerstamm, Phalera flavescens Bremer et Grey, carpocapsa pomonella, prodenia litura, plutella xylostella, beet armyworm and other lepidoptera pests. The invention also discloses a method for preparation of wettable powder through the YX-1 strain. The Bacillus thuringiensis YX-1 strain and its wettable powder provided in the invention are mainly used for prevention and treatment of lepidoptera pests on various fruit trees and vegetables, also can be used for prevention and treatment of lepidoptera pests on field crops and garden plants, and have the characteristics of broad spectrum, high efficiency, safety to people, livestock as well as animals and plants, and no environmental pollution, etc.

The invention provides a compound Chinese herbal botanical insecticide-fungicide. The botanical insecticide-fungicide comprises the following raw materials in parts by mass: 70-90 Celastrus Angulatus, 20-30 parts of golden larch bark, 30-50 parts of Cnidium Monnieri, 60-80 parts of Radix stemonae, 20-30 parts of Radix Euphorbiae Lantu, 10-30 parts of betel nut, 50-70 parts of thunder god vine, 30-50 parts of Radix Sophorae Flavescentis, 65-95 parts of CAOWU and50-80 parts of tobacco leaves. The product disclosed by the invention can kill insects and bacteria, has multiple functions and has higher efficiency compared with commercially available biological pesticides. The time from spraying the insecticide-fungicide to the death of insects is 40 hours earlier and the death rate of insects within 24 hours after he insecticide-fungicide is sprayed can reach up to 98%. The product is an efficient, slightly toxic, growth-promoting and wide-effect biological insecticide-fungicide, can effectively relieve pest resistance, increase the nutrition and yield, and has no toxicity or residue. The product has specific effects on Lepidoptera pests such as borer, busck, cabbage caterpillar and fall webworm.

The invention provides a fall webworm sex pheromone synthesizing method, which relates to an epoxypropane coumpound. The method takes (Z)-2-acetylene tetradecanol synthesized by cheap and easy obtained 2-propargyl alcohol as raw materials, to synthesize fall webworm sex pheromone 3 [(9S, 10R) -9,10 - epoxy - (3Z, 6Z) -3,6-heneidecadienol] and 4 [(9S, 10R) -9,10 - epoxy - (3Z, 6Z) -1,3 ,6-heneidecatrienol] with high efficiency, high enantioselectivity and high yield. Step 6, 25% of the total yield is synthesized into (9S, 10R) -3; 6-step, 21% of the total yield is synthesized into (9S, 10R)-4; and the antipode excess e. e is more than 99%. The separation of the various steps of the invention is simple; the used reagent are all common reagents, cheap and easy to get; the invention has high yield and a shorter route, and is suitable for requirement o f the industrial production.

The invention discloses a network curtain image recognition method of fall webworm larvae, which comprises the steps of 1) determining a color space and a color channel of an image, 2) conducting binarization processing on the image, 3) removing a noise area, and 4) removing noise and repairing the image. Experiments show that the network curtain image recognition precision of the method is above 85%, and the processing time of a single picture is less than 40ms.

The invention discloses a method for preparing a fall webworm sex pheromone slow-releasing agent. The method comprises the following steps of: using (9Z, 12Z, 15Z)-octadecatrienal, (3Z, 6Z, 9S, 10R)-9, 10-epoxy-3, 6-heneicosadiene and (3Z, 6Z, 19S, 10R)-9, 10-epoxy-1, 3, 6-heneicosatriene as active components of sex pheromone, adding a stabilizer and then adding to polybutadiene resin; stirring to be uniform and obtaining a mixed solution; adding isocyanate which is isometric to the mixed solution into the mixed solution, continuously stirring and obtaining a paste-type finished fall webworm sex pheromone slow-releasing agent. The fall webworm sex pheromone slow-releasing agent disclosed by the invention has the advantages of single and high-efficient attraction effect to fall webworms, low price, non-pollution, good stabilization, non-volatility and wide prospect of application.

The invention provides a fall webworm hyphantria cunea drury chemical spray robot local movement control method. The method includes the following steps that 1, an overall movement strategy and a local movement path of a chemical spray robot are designed, and the chemical spray robot operates according to the set path and collects corresponding tree target images in real time; 2, fall webworm hyphantria cunea drury targets are extracted according to the image features, the relative distance L between the mesh curtain targets and an execution mechanism is estimated, and the image plane area S and the chemical spray covering face area S' of the position L away from the execution mechanism are determined; 3, mu is made to be equal to S' / S, the S is the image plane area, the S' is the chemical spray covering face area, and when the mu is larger than 0.5, a simple scanning control strategy is executed; when the mu is smaller than or equal to 0.5, a complex strategy of scanning, targeting and chemical spraying is executed, and finally, the optimal chemical spray position is determined.

The invention discloses a kit for quickly detecting fall webworms, which at least comprises more than 1 dose of specific primers COI01 / 02 or SpmR01 / 02 reagents, wherein the sequence of the specific primer COI01 is 5'-CAGGAACTGGATGAACA-3', and the sequence of the specific primer COI02 is 5'-CCTACTGCTCATACGAA-3'; and the sequence of the SpmR01 is 5'-ACGCTGTTGTCCGTATTT-3', and the sequence of the SpmR02 is 5'-CTGATTTCTTCGGTGTTG-3'. The kit disclosed by the invention is an efficient accurate convenient fall webworm molecule detection technique, can be used for distinguishing fall webworms from other types of Arctiidae on the molecular level, can satisfy the use demands, has favorable practicality, and can generate favorable economic benefit and social effect.

The invention provides a fall webworm larva net curtain pesticide spraying robot mechanical system. The fall webworm larva net curtain pesticide spraying robot mechanical system comprises a rack and idler wheels, and is characterized in that a vertical movement mechanism and a horizontal movement mechanism are arranged in the front side of the rack, a pesticide spraying nozzle capable of moving along the horizontal movement mechanism is arranged on the horizontal movement mechanism, a camera is fixed to the upper end of the pesticide spraying nozzle, and both the camera and the pesticide spraying nozzle are connected with a control device. The rack is used for supporting the vertical movement mechanism, the vertical movement mechanism supports the horizontal movement mechanism, can drive the horizontal movement mechanism to move up and down and can drive the camera and the pesticide spraying nozzle to move up and down, the horizontal movement mechanism drives the camera and the pesticide spraying nozzle to move left and right, an IPC analyzes and processes information collected by the camera, further sends out a control command for a spraying machine and drives a left stepping motor, a right stepping motor and a transverse stepping motor to be turned on or off.

The invention provides a method for fast-growing high-yield afforestation of hackberries. The afforestation method comprises the following steps that (1) nursery stocks are chosen, wherein the nursery stocks which are robust, straight, upright, complete in root and free of plant diseases and insect pests are chosen; (2) afforestation is conducted; (3) cultivation management is conducted; (4) main diseases and insect pests are prevented, wherein slug moths, cotton aphids, plant louses and fall webworms are mainly prevented; (5) file management is conducted, wherein labor using and material consumption of various operations such as the positions and area of planting places, seedling sources, soil preparation, afforestation, cultivation management and the like are managed. According to the method, the robust nursery stocks with the ground diameters and the heights both achieving a certain level are chosen, then good afforestation lands are chosen for afforestation and planting, after soil preparation and base fertilizer application, the appropriate planting density is chosen for planting, then branches and trunks are trimmed after planting, and weeding and management of water and fertilizer are conducted. According to the method for fast-growing high-yield afforestation of hackberries, the cost is low, popularization is easy, the survival rate of afforestation can be achieved, forest stand plant diseases and insect pests can be lowered, the increment of forest stand plant average diameter at breast height is improved, and economic benefits are improved.

The invention discloses a preparation method of a sex pheromone attractant for fall webworms and aims at providing a biological preventing and treating method which is matched with a trap device to monitor and trap fall webworms. The sex pheromone attractant for fall webworms comprises pheromone components of fall webworms: (Z, Z)-3,6-cis-9,10-epoxy heneicocadiene, (Z, Z, Z)-9,12, 15-octadecatrienal and (Z, Z)-1,3,6-(9S, 10R)-9,10-heneicocatriene. The invention provides a formula of the sex pheromone attractant and a synthetic method for fall webworms and provides a biological means for detecting, preventing and treating fall webworms, so that the preparation method has the advantages of efficiency, no toxicity, safety and convenience.

The invention discloses an insecticide composite containing metaflumizone and flubendiamide. The composite is mainly characterized by comprising metaflumizone and flubendiamide as active ingredients, and the balance of auxiliaries, wherein the weight ratio of two active ingredients, namely the metaflumizone and flubendiamide is (1:80)-(80:1). The composite can be prepared into wettable powder, a water dispersible granule, a suspending agent, a suspoemulsion, an emulsion in water and a microemulsion. The composite can prevent and treat various injurious insects, has obvious synergism effects, expands the insecticidal spectrum, and has relatively high activity on rice leaf folder, Chilo suppressalis, tryporyza incertulas, cabbage caterpillar, asparagus caterpillar, prodenia litura, cotton bollworm, pink bollworm, fall webworm, codling moth and the like of rice, vegetables, cotton and fruit trees; and in the insecticide composite, pesticide dosage is reduced, the residual quantity of the pesticide is reduced, and the environmental pollution is lightened; the insecticide composite is safe to people and livestock and has good environment compatibility, and the injurious insect has small possibility of generating resistance to drugs.

The invention relates to the technical field of botanical pesticides, and discloses a botanical pesticide for urban greening projects and a preparation method of the botanical pesticide. The botanical pesticide comprises effective components, mainly prepared from a croton tiglium extract, a rhizoma arisaematis extract, a ginger extract, a hibiscus extract, a geranium extract, a marigold extract, an artemisia capillaries extract, a surfactant, an anti-freezing agent and deionized water, and in addition, the botanical pesticide is mainly prepared by steps of washing, filtering, concentration and the like. On one hand, the botanical pesticide is capable of effectively inhibiting damage of common injurious insects in urban gardens, has a good prevention effect on common pests such as aphids, red spiders, leaf rollers and fall webworms of urban greening plants, and furthermore has an effect of greening and beautifying cities; on the other hand, the administration times of chemical pesticides can be reduced, the lasting period can be prolonged, the environment burden can be alleviated, and a good leisure and entertainment atmosphere can be provided for urban citizens. Meanwhile, the preparation method disclosed by the invention is simple and feasible, low in cost and applicable to greening projects.

The invention relates to the technical field of fruit tree insect pest preventing and treating, in particular to a method for preventing and treating the main insect pest of a walnut tree. The method is characterized by comprising preventing and treating Atrijuglans hetaohei Yang, preventing and curing fall webworms and preventing and treating scarabs. The method is reasonable, convenient to implement and good in effect.

The invention discloses an insecticidal composition containing metaflumizone and butylene fipronil. The composition is mainly characterized in that: the composition includes the active ingredients of metaflumizone and butylene fipronil, the balance being additives, wherein the weight ratio of metaflumizone and butylene fipronil is 1:80-80:1. The composition can be made into a wettable powder, a water dispersible granule, a suspending agent, a suspoemulsion, a water emulsion and a microemulsion. The composition of the invention can control a variety of pests, and has obvious synergies, expands insecticidal spectrum, and has high activity for rice leaf folder, striped rice borer, tryporyza incertulas, cabbage caterpillar, asparagus caterpillar, prodenia litura, european corn borer, cotton bollworm, pink bollworm and fall webworm on rice, vegetables, corn, cotton and fruit trees. The composition helps to reduce insecticidal dosage, reduce insecticidal residues on crops, reduce environmental pollution, and is safe for human and animals, is good in environmental compatibility, and is not easy to produce pest resistance.

A technique for breeding a kind of wasp (tiny psocid wasp) with tussah pupa includes cutting open the tussah cocoon, selecting the cocoon containing living pupa, putting the wasp seeds in it, and laying aside at 18-28 deg.C and 60-80% humidity until the grown-up wasp comes out. Its advantages are quick and unified breeding speed, high survival rate. Said wasp is used to prevent and eliminate American Hyphantria.

The invention provides a plant for controlling damage of fall webworms and a simple environmental application method of the plant to urban greening trees. The simple environmental application method of the plant to urban greening trees is characterized by including: cutting harvested whole plants of Artemisia lavandulaefolia into 2-3cm long pieces, placing into a vessel, adding 1-2% of edible sugared water, and mixing well; and when Artemisia lavandulaefolia leave the trees to overwinter each year, mixing and grinding the Artemisia lavandulaefolia with the edible sugared water according to a ratio of 2:1, scattering mixed Artemisia lavandulaefolia at the position of 20-30cm around each shade tree, covering all of Artemisia lavandulaefolia with earth once every 5-7 days, and continuously covering for two to three times. By the method, pupation rate of fall webworms is lowered by 60-75%. The plant and the method have the advantages that the natural resource Artemisia lavandulaefolia of China is fully utilized, the plants of Artemisia lavandulaefolia grow massively around China and appear everywhere, obtaining Artemisia lavandulaefolia is simple and easy, and accordingly waste can be turned into wealth; and Artemisia lavandulaefolia is nontoxic to higher animals and beneficial lives, the application method of Artemisia lavandulaefolia to urban greening trees is simple and easy, the cost of the method is about one twentieth of that of the existing methods, evident economic benefit is achieved, and great ecological benefit and social benefit can also be achieved.

The invention discloses an attractant for a parasitic natural enemy Chouioia cunea Yang of fall webworms. Volatile matters of leaves of platanus orientalis, paulownia, purple-leaf plum, poplar and mulberry before and after hyphantria cunea eats are collected through a headspace collection method, and a group of compounds are obtained through analysis by adopting a gas chromatograph-mass spectrometer (GC-MS) and combining an antennopotential-gas chromatograph (GC-EAD) technology. Four-arm olfactometer behavioral experiments find that the mixed compound (tridecane, undecane, tetradecane, hexadecane, nonadecane and heneicosane) has an obvious attraction effect on Chouioia cunea Yang, and the attraction effect is obviously reduced after the tridecane is removed from the mixed compound. The taxis of the Chouioia cunea Yang which is a natural enemy of the fall webworm to the mixed compound is researched through indoor behavioral experiments, key information compounds capable of attracting the Chouioia cunea Yang are screened, and a theoretical basis is provided for research and development of attractants, improvement of the parasitic rate of the Chouioia cunea Yang and better utilization of the Chouioia cunea Yang for prevention and treatment of the fall webworm.

The invention discloses a forestry pesticide dispersing device for fall webworm treatment, and relates to the technical field of forestry governance, the forestry pesticide dispersing device comprises a device bottom plate, connecting mechanisms, a water storage mechanism, a driving mechanism and a swing mechanism, the connecting mechanisms are fixedly connected to the four direction corners of the top of the device bottom plate, and each connecting mechanism comprises a clamping plate; the clamping plates are connected with the top plate through connecting plates and used for forming a separation layer between the top plate and the device bottom plate, damping rods are movably connected to the bottoms of the opposite inner side faces of the clamping plates, and the side portions of the damping rods are movably sleeved with spring rings. After gear threads on one of four of the side portion of a rotating disc make contact with gear threads arranged on a transmission disc fixedly connected with the top end of a rotating rod, a swing rod moves leftwards, and after gear threads on one fourth of the side portion of the rotating disc make contact with gear threads arranged on a transmission disc fixedly connected with the bottom end of the rotating rod, the swing rod swings rightwards; therefore, the effect that the swing rod circularly swings left and right is achieved through gear rotation of the rotating disc.

The invention discloses a method for preventing and treating hyphantria cunea larvae by spraying beauveria bassiana on a plant protection machine, the hyphantria cunea larvae are third-generation hyphantria cunea larvae, and the method for preventing and treating hyphantria cunea larvae comprises the following steps: step 1, taking 300 grams of beauveria bassiana high sporopollen, adding the hyphantria bassiana high sporopollen into an oil phase of a beauveria bassiana dispersible oil suspending agent, uniformly stirring, filtering with gauze, and storing for later use; filtering to obtain filtrate; 2, 20-30 g of a bacterial preparation is added into the filtrate, and a mixed solution is obtained; step 3, adding clear water into the mixed solution obtained in the step 2; and 4, spraying is carried out by selecting a T20 plant protection unmanned aerial vehicle in Da Xinjiang as a carrier. The invention has the following advantages: 1, an insecticidal microorganism beauveria bassiana is adopted as a main component, and spores are dissolved in water and mixed with a bacterial preparation by using a spore dispersible oil suspending agent technology, so that the problem that a chemical agent is not environment-friendly is avoided; the plant protection unmanned aerial vehicle is high in spraying efficiency and labor-saving, the distance between the plant protection unmanned aerial vehicle and a tree crown is large, collision accidents are avoided, and pesticide application safety is guaranteed.

The invention discloses a cDNA (complementary deoxyribonucleic acid) full-length sequence of a natural enemy insect Chouioia cunea Yang p450 enzyme system CYP4C3 gene and application of the cDNA full-length sequence in insecticide stress resistance, the full length of the gene sequence is 1521 bp, and the gene sequence contains a complete open reading frame and codes 506 amino acids. Real-time fluorescent quantitative PCR (polymerase chain reaction) experiments find that the expression quantity of CYP4C3 genes of Chouioia cunea Yang can be increased when insecticides such as chlorbenzuron, beta-cypermethrin and nicotine-sophocarpidine for chemical prevention and control of fall webworms are subjected to stress treatment, and particularly, the CYP4C3 gene expression can be obviously increased when the stress of the concentration of an insecticide (LC30) for inducing death of 30% of Chouioia cunea Yang is applied to stress treatment of insecticides such as chlorbenzuron, beta-cypermethrin and nicotine-sophocarpidine. The invention can provide a molecular basis for coordinating chemical control and biological control of fall webworms.

The invention discloses an escape-proof trapping device for fall webworms in forestry, and relates to the technical field of forestry prevention and control, the escape-proof trapping device comprises a fall webworm escape-proof trapping device, and a trapping assembly further comprises a canopy installed at the top of the trapping assembly and used for shielding rainwater for the trapping assembly and preventing a trapping element from volatilizing smell too early; the hanging assembly is mounted at the top of the rain shelter and used for hanging the trapping assembly on a tree trunk; the trapping installation assembly is installed at the bottom of the trapping assembly and used for replacing trapping elements to clean the interior of the trapping assembly; through the design of the trapping assembly, the through hole, the fluorescent lamp strip, the fixed base, the trapping element and the escape-proof cap, the capability of preventing fall webworms from escaping and the capability of being high in trapping effect are achieved, and through the design of the rain shelter, the hanging rod, the half-moon hook, the fixed base and the telescopic supporting legs, the capability of selecting multiple use methods is achieved.