83 results about "Bradysia odoriphaga" patented technology

The invention relates to a pollution-free method of combining entomopathogenic nematode and black sticky boards for controlling bradysia odoriphaga. During bradysia odoriphaga larval stage, a entomopathogenic nematode suspension liquid with a nematode concentration of 500-1000IJS/mL is applied, and the black sticky boards are suspended in the field for monitoring. When adult bradysia odoriphaga appears, a large number of black sticky boards are suspended, wherein the lower bottom edges of the boards are 0.5-1cm from the ground. 60-80 of the black sticky boards are suspended in each mu of field. According to the controlling method provided by the invention, biological control and physical control are combined. The colored boards are used for trapping and killing adult bradysia odoriphaga, such that pest cardinal number can be effectively reduced. Bradysia odoriphaga larva and adult controlling effects can be improved, and entomopathogenic nematode application amount can be reduced. Therefore, pollution-free, safe, and non-toxic controlling over bradysia odoriphaga pests can be realized.

The invention belongs to the field of biological prevention and control, and discloses a bacillus thuringiensis strain JQ23 for preventing and controlling bradysia odoriphaga. The strain is preserved in China General Microbiological Culture Collection Center (CGMCC) with a preservation number of CGMCC No. 9375 on June 24, 2014. The invention further discloses a microbial insecticide containing JQ23, and a preparation method of the microbial insecticide. The bacillus thuringiensis JQ23 has very high toxicity to a bradysia odoriphaga larva, and provides an effective method for prevention and control of the bradysia odoriphaga; secondly, the bacillus thuringiensis belongs to a natural product, is nontoxic to people and livestock, and is pollution-free to an environment; and in addition, the microbial insecticide is simple in preparation method and convenient to use.

The invention relates to the technical field of vegetable planting, in particular to a fragrant-flowered garlic cultivation technique. The cultivation technique comprises the following steps of seedling cultivating and field planting, and the seedling cultivating comprises the following steps of preparing a seedbed, selecting a variety, adopting a drilling method, and keeping a matrix wet before seedling emerging and after the seedling emerging. The field planting comprises the following steps of preparing a field planting groove, conducting processing before seedling planting, and adopting a soilless cultivation method. The plant diseases and insect pests of fragrant-flowered garlic roots are completely eradicated, it is completely guaranteed that the population density of bradysia odoriphaga in the whole growing period is 0, a small part of rootstocks are placed in a small-type field planting cup with small ceramsites, upright ventilation and upper portion growth of plants are conveniently supported, picking is convenient, the traditional single-layer planting mode is broken through, the space utilization rate is improved, nutrient solutions between the upper layer and the lower upper circularly flow, the dissolved oxygen in the nutrient solutions is greatly increased, the uniformity of the nutrient solutions is improved, the optimal root environment is provided for the fragrant-flowered garlic root systems, and the roots can conveniently absorb elements in the nutrient solutions.

The invention discloses an insecticide composition with chlorfenapyr and neonicotinoid insecticides, and a preparation and application of the insecticide composition. The insecticide composition comprises the chlorfenapyr and the neonicotinoid insecticides. The neonicotinoid insecticides are an optional type of imidacloprid, thiamethoxam, clothianidin, nitenpyram, thiacloprid, dinotefuran and acetamiprid. A mass ratio of the chlorfenapyr to the neonicotinoid insecticides is (0.05-20):1. An insecticide comprises the insecticide composition and auxiliary materials acceptable to the insecticide preparation with the insecticide composition. A mass percent content of the insecticide composition in the insecticide is 2%-6%. The insecticide composition, the preparation and the application have the advantages that obvious synergism effects can be realized for bradysia odoriphaga; the chlorfenapyr and the neonicotinoid insecticides have different action mechanisms, accordingly, the insecticide composition is beneficial to delaying development of pest resistance to the insecticide, and the service lives of the chlorfenapyr and the neonicotinoid insecticides can be prolonged; dosage of the neonicotinoid insecticides can be reduced, and accordingly neonicotinoid insecticide residual risks can be reduced; the preparation in various dosage forms is made of the insecticide composition, and accordingly excellent prevention and control effects can be realized for the bradysia odoriphaga.

The invention aims to establish a preparation method of an entomopathogenic nematode insect corpse agent, and provides a novel application method of entomopathogenic nematodes in the field. In view of the limitations of low activity and intolerance of nematode to drying UV irradiation in direct application of entomopathogenic nematodes in the field, the invention uses insects (Galleria mellonella etc.) as a carrier; the host insect Galleria mellonella is infected by an entomopathogenic nematodes aqueous suspension in a laboratory; 36h later, the Galleria mellonella are all died and prepared into an insect corpse agent; and the insect corpse agent is then propagated at room temperature for at least 4 days, and directly applied in the field to control plant underground pests (Chinese chive maggot, Bradysia odoriphaga), so as to replace a traditional chemical pesticide to control underground pests and reduce pesticide investment. The invention effectively solves the defects of direct application of entomopathogenic nematodes, and has advantages of easy manufacture, convenient application, obvious effect and benefit to popularization.

The invention relates to a method for biologically preventing bradysia odoriphaga. The method is characterized by comprising the following components by weight percent: 6 to 10 percent of fresh golden saxifrage (also named as cat eye, ivy glorybind, and the like) and 90 to 94 percent of water. The process comprises the following steps: soaking the fresh golden saxifrage in the water for 24-72 hours in proportion, and watering the stubbles or roots of Chinese chives through the soaked liquid after the Chinese chives is harvested. By adopting the method, the problem of the pesticide residue caused by utilizing a chemical method to prevent the bradysia odoriphaga can be solved, and the method is suitable for the toxic-free and pollution-free production of Chinese chives.

The invention discloses a method for preparing Bradysia odoriphaga control pesticide, and relates to the field of biological pest killing. The method for preparing the Bradysia odoriphaga control pesticide is characterized in that the raw materials are multiple types of traditional Chinese medicine. Compared with the prior art, the composition for controlling the larvae of chinese chive Bradysia odoriphaga is safe and efficient, the high yield of agricultural products is promoted, and it is achieved that agriculture products are safe and non-toxic.

The invention discloses a method for preventing and curing Bradysia odoriphaga by jointly applying entomopathogenic nematodes and chemical pesticides and belongs to the technical field of biological control and chemical control. At the 3-4 days old of the Bradysia odoriphaga, an entomopathogenic nematode resin agent and one-eighth (recommended dosage) of the chemical pesticides, which are safe to the nematodes, are jointly used to prevent and cure the Bradysia odoriphaga. According to the control method disclosed by the invention, by jointly using biological control and chemical control, the amount of use of the entomopathogenic nematodes and the chemical pesticides is reduced, the cost of prevention and cure is reduced, the control effect of the entomopathogenic nematodes and the chemical pesticides on the Bradysia odoriphaga is improved, and thus the aim of efficiently and safely preventing and curing the Bradysia odoriphaga is achieved.

The invention relates to a method for using ozone to prevent and control bradysia odoriphaga. The method is characterized by including selecting an ozone generator capable of generating more than 5g of ozone per hour; preparing ozone water; after thawing at the end of March in the spring each year, irrigating the ozone water in Chinese chive land for one time; when Chinese chive grows to be about 15 centimeters, irrigating the ozone water once again; three days after each crop of the Chinese chive is harvested, starting to irrigate the ozone water when the Chinese chive grows to be 5-8 centimeters, and irrigating the ozone water every other 7-10 days. The method can reach more than 90% in prevention and control rate of the Chinese chive maggots and is simple and convenient in operation, practical, safe, environment friendly, good in effect, free of resistance and suitable for Chinese chive planting.

The invention discloses composition for preventing and controlling bradysia odoriphaga yang et zhang larvae, and relates to the field of biological disinsection. The composition is characterized in that raw materials are various traditional Chinese medicines. Compared with the prior art, the composition for preventing and controlling the bradysia odoriphaga yang et zhang larvae is safe and efficient, promotes high yield of agricultural products, and realizes safety and nontoxicity of agricultural products.

The invention discloses a spirotetramat containing pesticide composition, which is a pesticide composition containing an active component A and an active component B, wherein the active component A is spirotetramat, the active component B is any one of the following pesticides: chlorpyrifos, MTMC (meta-tolyl-N-meth ylcarbamate) and isoprocarb, and the weight ratio of the two active components is 60:1-1:80. The composition disclosed by the invention can control various insect pests, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activities to aphids, thrips, phylloxera, mealybug, aleyrodid, scale insects, rice planthopper, rice leaf folders, prodenia litura, bradysia odoriphaga, tryporyza incertulas, leafhopper, phyllocnistis citrella stainton, cotton aphid, cotton bollworms, phyllocoptes oleivorus ash, tea lesser leafhopper, plutella xylostella, cabbage caterpillar, and asparagus caterpillar; the application amount of pesticides is reduced, the residues of pesticides on crops are reduced, and the environment pollution is reduced; and the composition is safe to people and livestock and good in environmental compatibility, and pests are unlikely to produce pesticide resistance.

The invention discloses applications of arabidopsis thaliana JAV1 protein and a coding gene of arabidopsis thaliana JAV1 protein in regulation of plant disease resistance and insect resistance. The invention also provides a method used for improving plant disease resistance and insect resistance, short hairpin RNA capable of reducing JAV1 gene expression material content, small interfering RNA, an interference vector, and interference segments. It is confirmed by experiments that, compared with wild type and null-transfection vector control groups, relative expression level of T3 generation pBI121-JAV1-RNAi transfected arabidopsis thaliana is reduced significantly, leaf infected area is 0.25 to 0.27cm<2> after inoculation by botrytis cinerea, and is obviously smaller than that of wild type and null-transfection vector control groups; the weight of beet armyworm larvae which are fed with leaves of 5 weeks for 6 days increases 1.58 to 2.03mg, and is obviously lower than that of wild type and null-transfection vector control groups; and plants are capable of growing normally in 12 days when bradysia odoriphaga larvae are put into soil with the plants of 18 days. According to the applications of arabidopsis thaliana JAV1 protein and the coding gene of arabidopsis thaliana JAV1 protein, a novel approach is provided for cultivation of disease-resistant and insect-resistant plants, and in the field of agricultural production, application range is wide, and market prospect is promising.

The invention relates to a polymerase chain reaction (PCR) authentication primer and method for distinguishing bradysia odoriphaga larva from bradysia difformis larva. The method comprises the following steps of: (1) extracting genome DNAs of the bradysia odoriphaga larva and the bradysia difformis larva; (2) carrying out PCR amplification on a mitochondria COI gene with the genome DNA of the bradysia odoriphaga larva and the bradysia difformis larva as a template; (3) carrying out enzyme digestion on a PCR product prepared in step (2) by using restriction enzyme EcoRV to obtain an enzyme-digested product; and (4) carrying out agarose gel electrophoresis analysis on the enzyme-digested product prepared in step (3). The restriction enzyme refers to a frequently-used restriction enzyme. By using the method, a simple, convenient and stable enzyme digestion sign is provided for screening the bradysia odoriphaga larva and the bradysia difformis larva, an technique for authenticating the bradysia odoriphaga larva and the bradysia difformis larva is explored and established, and a foundation is laid for the future bradysia odoriphaga larva and bradysia difformis larva authentication, population dynamic monitoring and comprehensive prevention and control.

The invention relates to the technical field of biological pesticides, and concretely relates to a technology for preparing a Bradysia odoriphaga harm control preparation from composite biological fungi. The technology comprises the following steps: preparing the composite biological fungi through mixing Beauveria bassiana, Bacillus thuringiensis and Empedobacter brevis, and mixing and fermenting the composite biological fungi, assistants and auxiliary materials to obtain a biological pesticide for controlling Bradysia odoriphaga. The biological pesticide has the advantages of substantial Bradysia odoriphaga control effect, stable performances, wide range of applicable areas, environmental protection, and safety to the health of human bodies.

The invention relates to a bradysia odoriphaga collection cage and a collection method of bradysia odoriphaga. The bradysia odoriphaga collection cage comprises a cage body, a screen covering body, a bottom plate light source, a plate, a support, a cloak cover and a power supply. According to the bradysia odoriphaga collection cage and the collection method of the bradysia odoriphaga, by the track of insects climb upwards, the bradysia odoriphaga are induced through different colors of LED lamps, and the bradysia odoriphaga enters the cage body from the 40 mesh screen covering body; other parts of the cage body are covered with a 80 mesh screen, and the included angle between the screen covering body and the support is 90 degrees, so that the bradysia odoriphaga entering the cage body is difficult to escape, and the bradysia odoriphaga attracted to the cage body by a light source falls on the bottom part of the cage body when the light source goes out or physical strength is consumed. According to the invention, a culture dish is arranged on the bottom part of the cage body, so that the bradysia odoriphaga lays eggs conveniently, and an optimum condition is screened to capture the adult; and meanwhile, the field population occurrence rules are researched.

The invention relates to an insecticidal composition with synergistic effect. The basic active components of the insecticidal composition are destruxins and diflubenzuron which are mixed according to a ratio of 1-9 g: 1-9 g. Adjuvants and excipients are added into the active components for preparation of a wettable powder, a suspending agent or an emulsion in water. The insecticidal composition can be applied to prevention and treatment of diamondback moth, prodenia litura, Lithocolletis ringoniella, grubs, wireworms, Trialeurodes vaporariorum, Liriomyza sativae, root maggots and Bradysia odoriphaga, preferably to prevention and treatment of lepidoptera insects like diamondback moth and prodenia litura on cruciferous vegetable, and has the advantages of stable efficacy, fast action, long action period, safety, environmental protection, etc.

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 relates to the field of crop planting, in particular to a leek Bradysia odoriphaga removing agent. The leek Bradysia odoriphaga removing agent comprises the following components by mass: 30-35 parts of biogas residue filtrate, 1-3 parts of ephedrine, 35-45 parts of plant ash, 10-30 parts of orange peel, 1-3 parts of Fructus meliae azedarach, 0.5-1 part of Fallopia multiflora, 0.5-2 parts of coptis chinensis, 1-3 parts of Chinese prickly ash, and 2-3 parts of vinegar. The leek Bradysia odoriphaga removing agent provided by the invention adopts safe raw materials without toxic or side effect, has good Bradysia odoriphaga killing effect, contains medicinal and nutritional ingredients, not only promotes leek growth, but also makes the produced leek with certain medicinal efficacy.

The invention discloses a method for preventing and controlling Bradysia odoriphaga by utilizing offal of edible mushrooms and belongs to the field of vegetable planting. The method comprises the following specific steps: (1) digging leeks planting pools, wherein the direction and the length are determined according to different land parcels, the width is 1.1-1.3 meters, the depth is 0.1-0.3 meter, the interval among each pool is 0.5-0.7 meter, the distance from both sides of the pools to upright posts of a greenhouse is 0.05-0.2 meter, and the pools are provided with water drain ports communicated with a water storage pool; (2) hardening edges of the pools; (3) paving wire plastic films with the thickness of 9-12 in the pools and fixing the periphery of the wire plastic films on upper ports of the pools; (4) paving 13-18cm of the offal of the edible mushrooms in the pools; (5) planting leeks on the offal of the edible mushrooms; (6) placing nutrient solution in the planting pools every seven days; and (7) soaking for 24 hours and placing the nutrient solution in the water storage pool. According to the method, the growth humidity of the leeks is improved to enable the Bradysia odoriphaga to climb away from hosts by utilizing the characteristic that the Bradysia odoriphaga is sensitive to the humidity of the environment.

The invention discloses an insecticidal composition and application thereof and relates to the technical field of pesticide compounding. The insecticidal composition disclosed by the invention contains an effective ingredient A and an effective ingredient B. The effective ingredient A is chlorfluazuron, and the effective ingredient B is one or both of pyriproxyfen and cyromazine. The weight ratio of the effective ingredient A to the effective ingredient B is (1: 60) to (70: 1). The compounded agent is reasonable in proportioning ratio, has a remarkable synergistic effect and particularly has an excellent effect on Diptera pests such as Bradysia odoriphaga, Liriomyza sativae and nymphs thereof, and the like, the amount of application of each single agent can be effectively reduced, and the aims of retarding drug resistance and reducing cost are achieved, so that the compounded agent has an obvious application and popularization value.

Belonging to the technical field of biological pesticides, the invention relates to a biological medicinal fertilizer, in particular to a plant source biological medicinal fertilizer for control of bradysia odoriphaga and a preparation method thereof. The plant source biological medicinal fertilizer is prepared from the following raw materials by weight: 0.8-1.4 parts of Artemisia annua, 0.6-1.2 parts of Parthenium hysterophorus, 28 parts of avermectin residue, and 2 parts of turfy soil. The plant source biological medicinal fertilizer has good control effect on bradysia odoriphaga, also shows excellent growth performance on leek as a fertilizer, improves the soil character, improves crop yield and lowers the planting cost, at the same time reduces the pollution of pesticides and fertilizers to the environment, breaks the tradition of separate use of pesticide and fertilizer, saves time and labor, lowers the production cost, and brings economic benefits and environmental benefits, is safe to human, livestock and environment, and is an excellent preparation for production of organic agricultural products.

The invention discloses a method for producing leeks straying alive in circulation. The method is to transplant strongly-cultured leek seedlings to a container easy to carry such as a seed culturing plate and then properly nurse the leek seedlings to sell living leeks. Keeping the leeks away from the outside during cultivation, the method can protect the leeks from eggs of adults of bradysia odoriphaga and accordingly from pesticide used to control bradysia odoriphaga and ensure the safety of the leeks. The living leeks grown by the method can be bought and cultured at home.

The invention relates to an allicin controlled release formulation. The allicin controlled release formulation is used for preventing and controlling bradysia odoriphaga. The allicin controlled release formulation is prepared from allicin, straws, clay, kieselguhr, beta-cyclodextrin and organic membranes. A preparation method of the allicin controlled release formulation particularly comprises the following steps: completely crushing the corn straws and sieving by a 200-mesh screen to obtain corn straw powder; mixing an allicin mother solution, the clay, the kieselguhr and the beta-cyclodextrin in the corn straw powder so as to obtain a mixture, adding the fully-mixed mixture into a granulator, and granulating to obtain solid particles with the particle sizes of 0.003-0.006mm; loading the surfaces of the solid particles with one layer of PP membrane; and drying the particles at 45-55 DEG C to obtain the allicin controlled release formulation. According to the liquid controlled release formulation, allicin is slowly released uniformly, the utilization efficiency of pesticides is greatly increased and the pollution of pesticide residue to the environment can be reduced.

The invention relates to the technical field of traditional Chinese medicine preparations and in particular relates to a traditional Chinese medicine preparation for preventing and controlling bradysia odoriphaga and a preparation method thereof. The traditional Chinese medicine preparation for preventing and controlling the bradysia odoriphaga, provided by the invention, is mainly prepared from the following raw materials in parts by weight: 3 to 5 parts of plant ash, 1 to 2 parts of basic lead carbonate, 6 to 10 parts of peach leaf, 3 to 6 parts of root of veronicastrum brunonianum, 1 to 3 parts of areca seed, 10 to 15 parts of rice husk, 6 to 9 parts of wheat husk, 4 to 7 parts of hibiscus syriacus bark, 2 to 8 parts of herb of pteris ensiformis burm, 1 to 2 parts of pseudomonas fluorescens powder and 0.5 to 1 part of bacillus thruingiensis powder. The traditional Chinese medicine preparation for preventing and controlling the bradysia odoriphaga, provided by the invention, is mainly prepared from nine traditional Chinese medicines and two microorganisms; all the raw materials sufficiently express respective effects and have a synergistic effect to realize the effect of effectively preventing and controlling the bradysia odoriphaga; all the raw materials have no toxins and no pollution and residues of harmful substances are caused after the preparation is used; green, safe and harmless Chinese chives can be obtained and body health of people is facilitated.

The invention discloses a releasing application method of a predatory natural enemy insect-coenosia attenuata imago, and provides a method for controlling bradysia odoriphaga by using coenosia attenuata. The method for controlling bradysia odoriphaga comprises the steps that in July-September, coenosia attenuata, alternative preys (providing food sources for coenosia attenuata in absence of coenosia attenuata) and a storage matrix (in place of the food sources of preys) are put into a to-be-controlled area; the putting proportion of coenosia attenuate to the alternative preys is 1 to 5-15; theputting quantity of the storage matrix is calculated according to 0.5-1.5 grams of put storage matrix of each put alternative prey; in other months in addition to July-September, coenosia attenuate is put into the to-be-controlled area, and the putting quantity takes one fifth to one twentieth of the number of bradysia odoriphaga imagoes as a standard. The insect mouth decline rate of bradysia odoriphaga of the method for controlling bradysia odoriphaga by using coenosia attenuata is significantly improved compared with that of an exiting method. The method has the advantages that the methodis simple, the sources of raw materials are wide, the purchase is easy, the investment is less, the production cost is low, and the method is suitable for promotion and application in vegetable industries.