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 provides a biological insecticide, belonging to the technical field of crop pest control. The biological insecticide is prepared from pyrethrin, d-limonene and insecticide acceptable adjuvants; the total mass percent content of the pyrethrin and the d-limonene in the biological insecticide is 0.01-90%; the mass ratio of the pyrethrin to the d-limonene is equal to 1 to (0.1-10). The biological insecticide is safe and non-toxic, high in insecticidal synergistic effect and good in insecticidal effect, and has a good prevention and control effect on crop pests such as empoasca flavescens, aleurocanthus spiniferus quaintance, bemisia tabaci, aphid and cabbage caterpillar.

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 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 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 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 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 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 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.