66 results about "Empoasca flavescens" patented technology

The invention discloses a botanical insecticide. The botanical insecticide comprises the following raw materials including crofton weed, fructus cnidii and the balance of additives. The formula of the botanical insecticide comprises the following raw materials in parts by weight; 15-20 parts of a crofton weed extracting solution, 10-12 parts of the fructus cnidii, 6-10 parts of a plant essential oil, 5-8 parts of a plant extract tea saponin, 1-3 parts of T-80, and 2-5 parts of OP-10, and all the raw materials and water are mixed to prepare the botanical insecticide according to the dilution rate of 1: (600-800). The botanical insecticide disclosed by the invention has the advantages that indoor toxicity test and field test to oriental tobacco budworms and empoasca flavescens are performed by researching the exclusive use and compounding of the botanical pesticide crofton weed and the fructus cnidii, the effects of two botanical pesticides are evaluated, a control efficiency after the crofton weed and the fructus cnidii are compounded is probed through the reasonable compounding, and thus the purposes of reducing environmental pollution caused by pesticides, filling the blanks of organic cigarette and organic tea, killing insects for broad-spectrum and preventing the drug resistance of injurious insects from generating are achieved.

The invention relates to a controlled-release type trap device for Empoasca flavescens, belonging to the field of pest control. The device mainly consists of an Empoasca flavescens insect pheromone bait and a sticky card, wherein the Empoasca flavescens insect pheromone comprises the following components by weight percent: 10%-45% of hexenol, 0.1%-40% of ionone, 5%-40% of linalool, 0.01%-10% of antioxidant and 5%-60% of eugenol, and the substances are mixed to 100%. According to the invention, the Empoasca flavescens insect pheromone is dissolved with normal hexane or ethyl acetate and then added to a rubber carrier so as to be prepared into the Empoasca flavescens insect pheromone bait, and the bait is matched with the special sticky card for use. Through using the device in the invention, the lasting trap capacity on the Empoasca flavescens can be improved, an insect attractant can be ensured to be stably released, and the use period is prolonged. The controlled-release type trap device for Empoasca flavescens has the advantage that the device is convenient and safe to use is environmentally-friendly and has no pollution.

The invention provides a pesticide composition containing alkaloids and application thereof, belonging to the technical field of natural pesticides. The pesticide composition containing the alkaloids is characterized by containing following substances by weight percent: 3%-25% of active components, 60%-90% of a solvent, 1%-11% of an emulsifying agent and 2%-13% of a coalescing agent. The pesticide composition containing the alkaloids takes the purely-natural alkaloids as the active components; in the preparation process, a certain ratio of the coalescing agent is added so that the pesticide can be stuck and covers insect body walls for a long time to achieve the good effect of killing insects. The pesticide has the very strong killing effects on the insects including tetranychus cinabarinus boisdu, aphids, plutella xylostella, empoasca flavescens, rice planthoppers and the like and can effectively reduce financial loss caused by insect attacks of crops; meanwhile, the prepared pesticide is good in effect, fast in effect taking speed and long in lasting period, is natural and has no residue, and has good environmental compatibility. The cost is low and a production and processing method is simple and convenient.

The invention discloses a nicotine-containing botanical synergist compound insecticide which is prepared by using nicotine and turpentine as main components and adding an assistant through compounding. The forms of the nicotine-containing botanical synergist compound insecticide comprise environment-friendly missible oil, microemulsion or emulsion in water; and the nicotine-containing botanical synergist compound insecticide comprises the following components: 1.0-50.0% of nicotine, 5.0-40.0% of turpentine and the balance of the assistant. The nicotine-containing botanical synergist compound insecticide does not contain any chemical pesticide component, has low toxicity to people and livestock, is environment-friendly, and is mainly applied to control of aphids such as Aphis citricola vonder Goot, brevicoryne brassicae, macrosiphoniella sanborni, Aphis gossypii Glover and the like on fruit trees, vegetables and flowers and empoasca flavescens on commercial crops such as mulberry, teaplants, peach trees, pear trees, cotton, tobacco, hemps and the like. The nicotine-containing botanical synergist compound insecticide has great application and popularization values of organic agricultural products in the production, and is a novel ideal pollution-free insecticide.

The invention provides a preparation method of a mandarin orange peel composite plant agricultural insecticide. The method comprises the following steps: preparing waste mandarin orange peel as a raw material; extracting mandarin orange alkaloid with an organic solvent; adding capsaicin, sophocarpidine and rotenone, and compounding into a wide-spectrum plant agricultural insecticide. The insecticide can be used for effectively preventing and controlling tetranychus cinnabarinus, panonychus citri, vegetable aphids, cabbage caterpillars, rice-stem borers, euproctis pseudoconspersa strands and empoasca flavescens, and has stomach killing and touch killing effects as a wide-spectrum insecticide. The insecticide is a safe, efficient, residue-free and nuisanceless plant-derived pesticide. The insecticide replaces chemical agricultural insecticides, and is a plant agricultural insecticide with a development prospect.

The invention discloses pyrifluquinazon and clothianidin pesticide composition. Effective components of the composition comprise a first active component pyrifluquinazon, a second active component clothianidin and an acceptable dilute or carrier for a pesticide, wherein a weight ratio of the first active component to the second active component is 20:1-1:20, and the best weight ratio of the first active component to the second active component is 5:15-20:1. Agriculturally allowable wettable powder, suspending agents or water dispersible granules can be prepared from the composition. The composition comprises reasonable components, has a better control effect on tomato bemisia tabaci or tea tree empoasca flavescens matumura as well as low application cost, long persistence, small preparation residues and good safety and is non-pollution for crops, and besides, compared with a conventional single agent, the composition can effectively slow down resistance and meets the safety requirements of pesticide preparations.

The invention relates to a pesticide composition containing clothianidin and nicotine. The pesticide composition is the combination of wettable powders, a suspending agent and a water dispersible granule and is prepared by clothianidin, nicotine and assistants such as an emulsifying agent, a wetting agent, a dispersing agent and a filling agent. The invention provides a method for controlling bradysia odoriphaga and peanut white grubs by the composition of the clothianidin and nicotine. The clothianidin and nicotine are mixed based on the ratio of 1: 2 to 1: 16, and show high toxicity to the bradysia odoriphaga and the peanut white grubs, and the effect improving effect is remarkable. The pesticide composition containing clothianidin and nicotine is used for controlling the bradysia odoriphaga and the peanut white grubs, and also can be widely applied to vegetables, wheat and tea trees to be used for controlling aphid, thrips, small brown rice planthopper and empoasca flavescens; and the pesticide composition containing clothianidin and nicotine is high in application value, and remarkable in economic benefits and social benefits.

The invention discloses a preservation method of empoasca flavescens living bodies. The preservation method comprises the following steps: providing empoasca flavescens fresh feeds and empoasca flavescens; preserving the empoasca flavescens with the quantity of N and the empoasca flavescens fresh feeds with the mass of M grams into a living body preservation container with the volume of V cubic centimeters, wherein the relation between the mass M grams of the empoasca flavescens fresh feeds and the quantity N of the empoasca flavescens at least meets the following fitting relational expression: M=0.0326V+0.066 and N=0.3339V+3.7274; the N is a round-off natural number of a calculation value of (0.3339V+3.7274). The preservation method of the empoasca flavescens living bodies has the following advantages that the operation is simple and convenient and the repeatability is strong; the preservation period of test empoasca flavescens is long and the test empoasca flavescens can be preserved for 4-8 days in a test tube; the survival rate is high and reaches 90%; the received test empoasca flavescens can be subjected to subculture feeding in different places.

The invention discloses an empoasca flavescens trap. The trap comprises a trap box body, a luring component arranged in the trap box body and a trap top enclosure arranged at the top of the trap box body, louver type trap components are arranged at the left side and the right side of the trap box body respectively, multiple crawling-guide strips are arrayed on the bottom end face of the trap top enclosure at intervals, gathering-guide pipelines connected with the crawling-guide strips are formed in the left side and the right side of the trap top enclosure respectively, trap through holes which are in butt joint with the crawling-guide strips are formed in the gathering-guide pipelines, an empoasca flavescens is lured and falls onto the louver type trap components at the two sides, under the action of the louver type trap components, the empoasca flavescens is made to enter into the trap box body in a one-way mode, the empoasca flavescens randomly crawls along a crack formed between one of the crawling-guide strips and the adjacent crawling-guide strip for searching for the way out, then the empoasca flavescens passes through the corresponding trap through hole and enters into the corresponding gathering-guide pipeline, and finally the empoasca flavescens is trapped in the corresponding gathering-guide pipeline till the empoasca flavescens dies, thereby the empoasca flavescens can be captured. By means of the empoasca flavescens trap, the population quantity can be decreased, the harm of the empoasca flavescens can be reduced, and natural enemies can be well protected.

The invention relates to a pueraria peduncularis extract and osthole insecticidal composition for preventing agricultural pests, the weight ratio of active components of pueraria peduncularis extract to osthole in the insecticidal composition is 1:3 to 3:1, and further the insecticidal composition is prepared into microemulsion. Compared with a single agent, the insecticidal composition has the advantages of broad insecticidal spectrum and synergistic effect, can effectively reduce use cost, reduces pest resistance to insecticides, and can effectively prevent the diamondback moth, cabbage caterpillar, corn armyworm, tea geometrid, empoasca flavescens and other agricultural pests.

The invention relates to a comprehensive pest preventing and controlling method for tea planting. The method includes the steps of planting osmanthus trees between tea trees to achieve shade and prevent pests, using oil cake and farmyard manure to fertilize the tea trees, timely picking tea leaves, and controlling occurrence of empoasca flavescens, leaf mites, and leaf bud diseases; turning over soil of the tea trees in late autumn, preventing and controlling wintering lepidopteran pests in the soil, pruning tree branches, cultivating good tree crowns, enhancing the growth of the tea trees, changing the growth environment of the pests and pathogens, cutting off tree branches with the pests and the diseases and fine and close tree branches, cleaning and deeply burying dead branches and falling leaves, and preventing and controlling leaf and wintering pests; at the same time, installing pest control lamps and pest sticky boards in a tea garden to attract pests, and timely cleaning weedsin the tea garden, so that the pests and the pathogens loose intermediate hosts. The method is particularly suitable for prevention and control of diseases and pests of small leaf tea in Yanjin County, Yunnan Province.

The invention discloses an evaluation method for occurrence degree of insect damage to tea trees in tea regions of southern Anhui, and a prevention method of the insect damage to the tea trees in thetea regions of the southern Anhui. According to the evaluation method, occurrence quantities of empoasca flavescens, tea geometrid and aleurocanthus spiniferus are taken as the basis, and the overalloccurrence level of the insect damage to tea gardens is judged by comparing the ranges of the occurrence quantities; on the basis of the evaluation method, three green prevention technical modes are developed correspondingly in the prevention method, so that the situations that conventional prevention methods are simple and cannot be quantized and prevention modes cannot be selected scientificallyand reasonably according to different insect damage occurrence degrees are changed. The evaluation method has the advantages that the occurrence degree of the insect damage to the tea trees in the tea regions of the southern Anhui is divided into three levels, namely level I, level II and level III, so that judgment of the insect damage occurrence degree can be quantized, and foundation is laid for research on the prevention modes; the prevention method has the advantages that the corresponding prevention modes can be selected specifically according to the different insect damage levels, so that simplification of conventional methods and techniques and high pesticide residue volume are changed fundamentally, and quality and safety of tea leaves are guaranteed effectively.

The present invention relates to an indoxacarb-containing insect disinfestation composition, which comprises effective components such as indoxacarb and pyridaben, wherein a mass ratio of the indoxacarb to the pyridaben is 50:1-1:50. The composition can be processed into a water dispersible granule, a suspension, a water emulsion, an emulsifiable concentrate, a micro-emulsion, a microcapsule suspension or wettable powder, and can be provided for prevention and control of agricultural pests, particularly for tea tree pest empoasca flavescens.

The invention belongs to the field of planting, and particularly relates to a method for applying muscardine to prevent and control pests and diseases of tea leaf. The method mainly comprises the following steps of preparing of a preparation, applying into a field, inspecting of preventing and controlling results, and the like. The pesticide for preventing and controlling the pests and diseases ofthe tea leaf, prepared by the method, has the advantages that the better preventing and controlling effects are realized on the pests and diseases; the preventing effect can reach 90% or above on empoasca flavescens, tea aphids, tea caterpillars, and mites pests, and also can reach 90% or above on pests; the sources of raw materials are broad, the composition is simple, the pesticide residue is avoided, and the green and high-efficiency effects are realized.

The invention discloses a tea garden empoasca flavescens monitoring device and method based on color plate induced counting. The tea garden empoasca flavescens monitoring device based on color plate induced counting comprises a color plate assembly and a monitoring assembly, wherein the color plate assembly comprises an orange plate, a first fixing rod, a first fixing block, a telescopic rod, a guide rod, a second fixing block, a second fixing rod and a fixing mechanism; and the monitoring assembly comprises a solar panel, a box body, a processor, a third fixing rod, a camera, a first carrier plate, a moving rod, a cylinder body, a second carrier plate and supporting legs. The orange plate is specially designed for empoasca flavescens, facilitates identification of the empoasca flavescens, the camera and other devices replace manual work to monitor the orange plate in real time, images collected by the camera are transmitted to the processor, the number of pests on the orange plate is calculated through a target identification algorithm and a counting algorithm in the later period, then the pest situation is forecasted, and the pest situation dynamic of the tea garden empoasca flavescens can be mastered in real time.

The invention discloses an insecticidal composition containing novaluron. The insecticidal composition contains an active ingredient A and an active ingredient B. The active ingredient A is chosen from novaluron and the active ingredient B is chosen from any one of compounds as follows: Thiacloprid, Clothianidin, Pymetrozine, Nitenpyram and Thiamethoxam, and the weight rate of the active ingredient A to the active ingredient B is 1:60-60:1. The insecticidal composition can control a plurality of pests, has notable synergistic action, widens the insecticidal spectrum, and has high activity on the rice planthopper, aphid, Bemisia tabaci, Gennadius, whitefly Empoasca flavescens, Ectropis oblique and the like on vegetables, fruit trees, cotton and rice. And the insecticidal composition leads to reduced consumption of pesticides, decreases the residual quantity of pesticides on crops, abates environmental pollution, and is safe to people and livestock and good in environmental compatibility, and pests are not likely to be resistant to the insecticidal composition.

The invention relates to a thiacloprid and diafenthiuron containing insecticidal composition, The thiacloprid and diafenthiuron containing insecticidal composition has an excellent synergic effect. The weight ratio of of thiacloprid to diafenthiuron based on active constituents in the composition is preferably 1:1 to 1:20, and more preferably 1:1 to 1:10. The invention also relates to a preparation process of the insecticidal composition and application of the insecticidal composition in controlling of tea tree empoasca flavescens.

The invention belongs to the field of planting, and particularly relates to a tea pest control drug and a preparation method thereof. The prepared drug for tea pest control has relatively good controleffects on pests and diseases, the control efficiency on empoasca flavescens, tea aphids, tea caterpillars and mite pests is up to 80% or above, and the control efficiency on pest damage caused by diseases can reach 80% or above as well. The control efficiency of the embodiment 1-4 applied to a field on pests and diseases can reach 80% or above as well through further field experiments, and the tea pest control drug is wide in material source, simple in composition, free of pesticide residue and green and efficient.

The invention provides a green prevention and control method for pests in a tea garden. The green prevention and control method is specifically applicable to control of diseases and pests of tea treesand weeds in the tea garden under overcast and rainy conditions. According to the green prevention and control method, green and pollution-free plastic is used as a raw material, and made into a circular arc silver gray and white reflecting cover and an oval arc silver gray and white reflecting cover with sunlight reflecting effects, wherein the circular arc silver gray and white reflecting coverhas a diameter of 15-30 cm, a height of 5 cm and an edge of 2 cm, and the oval arc silver gray and white reflecting cover has an x diameter of 16 cm, a y diameter of 8 cm, a height of 5 cm and an edge of 2 cm. According to the invention, through light reflection of reflecting covers, the illumination between tea rows is increased; by combination of the characteristic that insects and fungi are sensitive to illumination, the effects of repelling tea garden pests like aphids, thrips and empoasca flavescens and inhibiting diseases like tea cake disease are achieved; meanwhile, the reflecting covers can be repeatedly used, are convenient to move and can be randomly made according to terrain sizes.

The invention belongs to the technical field of tea leaf processing, and particularly relates to a method for improving the quality of a tea leaf raw material through on-tree abiotic stress, which is characterized in that before fresh leaves are picked, tea tree tender leaves which are not in vitro are subjected to abiotic stress to a certain extent, so that the picked tea leaves give out rich and fresh flower and fruit fragrance. The aroma quality of the obtained high-aroma type tea leaf raw material can exceed the quality of tea leaves obtained by a traditional picking mode and obtained by a rocking process after picking, and the method does not have the limitation of special high-aroma type tea tree varieties and the regional limitation that empoasca flavescens needs to be used for biting, and has very good universality. Besides, proper abiotic stress is given to the tender shoots, leaves and tips of the tea trees, a series of stress reactions can be started in bud and leaf cells based on the tea trees, and then more aromatic substances are generated.

The invention provides a pesticide composition containing clothianidin and diflubenzuron. The pesticide composition can effectively prevent and treat bradysia odoriphaga. The effective ingredients of the pesticide composition are clothianidin and diflubenzuron, wherein the mass ratio of clothianidin to diflubenzuron is 1:0.1-1:16, and the mass percentage of clothianidin and diflubenzuron in the pesticide composition ranges from 2% to 80%. Through the dosage form of the composition prepared through a publicly known method, the pesticide has the advantages of being good in fast-acting property, long in effect lasting period and relatively small in use amount, can effectively prevent and treat bradysia odoriphag, can also be widely applied to prevention and treatment of pests of peanuts, vegetables, wheat and tea trees as well as prevention and treatment of grubs, aphids, plutella xylostella, thrips, whiteflies and empoasca flavescens, and is high in application value and remarkable in economic and social benefit.

The invention relates to a pesticide composition containing clothianidin and hexaflumuron, a wettable powder, suspension and water dispersing granule composition prepared from clothianidin and hexaflumuron together with addition agents such as an emulgator, a wetting agent, a dispersing agent, a filling agent and the like, and a method for applying the clothianidin and hexaflumuron composition to prevent and control chives root maggot and various vegetable root maggots. Clothianidin and hexaflumuron are mixed according to a ratio of 1:1-8:1, are high in toxity to the chives root maggot and the vegetable root maggots and remarkable in synergia. The pesticide composition is not only used in prevention and control of the chives root maggot and the vegetable root maggots, but also can be widely used in vegetables, wheat and tea trees to prevent and control thrips, small brown planthopper and empoasca flavescens, has large application values and is remarkable in ecomonic and social benefits.

The invention provides an aerial spraying tea tree pest control method and belongs to the technical field of plant pest control. The aerial spraying tea tree pest control method comprises the following steps of selecting an area to be processed in a tea garden, loading an agricultural plant protecting aeroplane with pesticide solution, fixing spray nozzles, adjusting the flow speed of pesticide solution of the spray nozzles, and setting flight speed and height for spraying. The aerial spraying tea tree pest control method controls tea tree pests by placing a manual manner with the agriculturalplant protecting aeroplane to achieve the optimum control effects under the premise of reducing pesticide application, increases control effects on tea pests such empoasca flavescens, tea geometrid and euproctis pseudoconspersa up to 90%, and greatly saves labor cost and pesticide applying time.

The invention discloses a disease and pest prevention and control method of an ecological tea garden. The method comprises the following steps: in early-middle December, carrying out spraying by usingcrystals of a lime sulfur mixture in a garden, and sealing the garden; from late February to early March, installing pest-killing lamps and tea geometrid traps in the tea garden; from early April tomiddle-late August, hanging yellow plates in the tea garden to monitor, trap and kill adult empoasca flavescens; and from May to June and from September to October, carrying out periodic investigationand monitoring, and carrying out prevention and control according to prevention and control indexes of the empoasca flavescens. According to the method, application of chemical pesticides in the teagarden can be effectively reduced, quality of tea leaves is improved, and harm to the environment and human bodies is reduced.

The invention relates to a pesticide composition containing pyridaben and spirotetramat. The pesticide composition is a wettable powder, suspending agent and water dispersible granule composition which is prepared from the pyridaben, the spirotetramat, and aids such as an emulsifier, a wetting agent, a dispersant and a filling agent. The invention also relates to a method for controlling vegetable Bemisia tabaci by using the pyridaben and spirotetramat composition. The pesticide composition is particularly effective to adults and nymphs of Bemisia tabaci when the pyridaben and the spirotetramat are mixed in a ratio of (1:2)-(2:1). The pesticide composition is used for controlling the vegetable Bemisia tabaci; and the pesticide composition can also be widely used for cotton, paddy rice, tea trees and tangerines, is used for controlling Bemisia tabaci, aphids, thrips, rice plant hoppers, Empoasca flavescens and red spiders, and has high application value and remarkable economic and social benefits.

The invention provides a molecular identification method for two kinds of empoasca flavescens advantageous parasitic wasps in a tea garden. Compared with a traditional morphological identification method, the method has the advantages that professional equipment (such as a three-dimensional depth-of-field microscopic photographing system) is not needed; a strict morphological taxonomy background is not required; the method is accurate and fast and easy to operate and can be applied to molecular identification of other kinds of egg parasitic wasps. The method is characterized by comprising the following steps of 1 leafhopper spawning branch collection, 2 leafhopper egg parasitic wasp collection, 3 morphological photograph acquisition, 4 parasitic wasp DNA extraction, 5 gene clone and analysis and 6 molecular systematic identification.

The present invention discloses an insect disinfestation composition with a synergy effect. The insect disinfestation composition comprises effective components such as diafenthiuron and paichongding, wherein a mass ratio of the diafenthiuron to the paichongding is 40:1-1:50. The composition has a significant synergy effect, and can be provided for prevention and control of pests of tea trees and other crops, particularly for tea tree pest empoasca flavescens.