399 results about "Beauveria bassiana" patented technology

A pesticidally active isolate of the fungus Beauveria bassiana, which is monosporic and which may be used in agriculture as a pesticide for the effective control of pests. The biomass of the inventive isolate contains an unusually high proportion of spores. The invention also provides methods for the preparation of the isolate and methods of formulating and using same for the effective control of crop infesting pests.

The invention relates to a white muscardine fungus granular formulation and a preparation method thereof. The white muscardine fungus granular formulation is prepared by the following compositions in mass percentage: 1 to 20 percent of white muscardine fungus spore powder, 70 to 95 percent of carrier, 0.05 to 3 percent of an adhesive, 0.5 to 5 percent of a disintegrant, 0 to 2 percent of a disintegration assistant, 0.01 to 1 percent of a dispersant, 0.5 to 5 percent of an anti-ultraviolet agent, 0 to 3 percent of a lubricating agent, and 0 to 2 percent of a coloring agent. The preparation of the white muscardine fungus granular formulation can adopt an extrusion molding granulation method, a fluidized bed granulation method and a coating granulation method. The white muscardine fungus granular formulation has the obvious characteristics that the storage period of white muscardine fungi is between 10 and 12 months, and the white muscardine fungus granular formulation can be directionally and accurately applied, is particularly applicable to killing underground pests, is convenient to pack, store, transport and use, does not pollute the environment, and can also control the release rate of the white muscardine fungi and prolong the lasting period.

The invention belongs to the technical field of environment protection, and especially relates to a composite microbial preparation for garbage deodorizing and sterilization and a preparation method thereof. The microbial preparation comprises beauveria bassiana, saccharomyces cerevisiae, lactobacillus plantar, rhodopseudomonas palustris, and bacillus thruingiensis. The comprehensive composite inoculant provided by the invention can remove the garbage odor and kill insects such as mosquito, fly, cockroach, and the like; and can be used in locations such as rubbish transfer station, digestion tank, public lavatory, landfill, etc. to remove odors and kill insects. The stinky odors given off by the garbage can be rapidly degraded under the cooperation of five microorganisms, furthermore, the bacterium proliferation is inhibited, the insects in the garbage piles such as mosquito, fly, cockroach, and the like can be killed, and the microecological environment of garbage piles can be improved, so the composite inoculant has a very important economic and environment-protection meaning.

The invention relates to a Beaueria bassaria(Balsamo)Vuillemin SCWJ-2 strain and a culture method thereof, a spore powder prepared from the strain and application of the spore powder in preparing a biocontrol preparation. The biocontrol preparation can be used for preventing and treating sweetpotato whitefly, Frankliniella occidentalis, Neotoxoptera formosana and / or peach aphid. The biocontrol preparation can be used for preventing and treating insects in a high-temperature environment, and has favorable preventing and treating effects; and the field control effect is higher than 75%.

The invention relates to a microbial agent capable of reducing leaf vegetable plant diseases and insect pests and a preparing method thereof, belonging to the technical field of agricultural production application of microorganisms. The microbial agent capable of reducing leaf vegetable plant diseases and insect pests is characterized in that the microbial agent is prepared from the following rawmaterials: beauveria bassiana culture solution, streptomyces coelicolor culture solution, compound strain culture solution, garlic, molasses, Chinese medicinal herb and trace element inorganic salt solution, wherein the compound strain is composed of Bacillus subtilis culture solution, rhodopseudomonas palustris and saccharomycetes. The preparing method is as follows: respectively culturing beauveria bassiana and streptomyces coelicolor alone, culturing Bacillus subtilis, lactobacillus and saccharomycetes in a compound mode; mixing and fermenting three culturing products, Chinese medicinal herb, garlic and the like; and finally, adding trace elements into the compound fermentation product. The invention can obviously strengthen leaf vegetable organism disease resistance and resilience, improves soil and reduces soil-borne diseases.

The invention provides a biological deodorizing and fly-destroying complex microbial preparation and an application thereof. The biological deodorizing and fly-destroying complex microbial preparation comprises saccharomycetes, lactic acid bacteria, functional bacillus, photosynthetic bacteria and beauveria bassiana according to the mass ratio of (0.5-2) to (0.5-2.5) to (1.5-3.5) to (1.5-2.5) to 1, wherein the sum of microorganism living bacteria is greater than or equal to 10<9>CFU / g; the functional bacillus is a mixture of bacillus megatherium, bacillus amyloliquefaciens, bacillus subtilis, bacillus cereus, bacillus licheniformis, bacillus pumilus and bacillus thuringiensis. The invention also provides an application of the biological deodorizing and fly-destroying complex microbial preparation in deodorizing and fly-destroying in the garbage collection process. The biological deodorizing and fly-destroying complex microbial preparation provided by the invention is formed by reasonable combination of saccharomycetes, lactic acid bacteria, functional bacillus, photosynthetic bacteria and beauveria bassiana, and is safe and efficient; and the deodorizing and fly-destroying effects are good when the biological deodorizing and fly-destroying complex microbial preparation is applied to deodorizing and fly-destroying in the household garbage collection process.

The present invention discloses a beauveria bassiana oil suspension agent which is composed of the following components by weight: 5-15% of beauveria bassiana spore powder, 2-12% of dispersing agent, 1-3% of stabilizing agent and 75-85% of inert mineral oil or vegetable oil. The beauveria bassiana oil suspension agent of the invention has the advantages of long storing period of spore and 80.8% of active spore rate after storing for 1.5 years. The adhesion rate of spore on the body surface of insect is increased. Furthermore the selected dispersing agent and stabilizing agent are extraordinarily safe to the crop and has no chemical injury. After water adding for dilution, the beauveria bassiana oil suspension agent has a transparent or semi-transparent emulsion through slightly mixing. The emulsifying is total and no tall oil, deposition or oil deposition deposits. The stability of beauveria bassiana oil suspension agent is excellent. The beauveria bassiana oil suspension agent accords with the routine medicine taking habit and further has the advantages of convenient use in field, simple preparing method, extensive raw material source of product, and suitability for large-scale production.

The invention relates to a Beaueria bassaria (Balsamo) Vuillemin bacterial strain GZGY-1-3, a culture method of the bacterial strain, spore powder prepared from the bacterial strain and application of the spore powder in preparing a biocontrol agent, wherein the biocontrol agent can be used for preventing and controlling bemisia tabaci, frankliniella occidentalis, green onion aphidand / or green peach aphid. The biocontrol agent can be used for preventing and controlling insects under a high temperature environment, and is good in prevention and control effect with field control efficiency over 75%.

The present invention relates to a new-type beauveria bassiana pesticide suspension. Its composition includes (by wt%) 1-50% of beauveria bassiana powder, 0.05-15% of chitin inhibitor, 0.25-40% of organic silicon surfactant, 0-40% of adsorbing agent, 0-20% of dispersing agent, 0-20% of moistening agent, 0-20% of antioxidant, 0-20% of photoprotection agent, 0-20% of viscosifier and 1-60% of water. Said invention also provides the concrete steps of its preparation method, and its concrete application method.

The invention relates to the field of biological control, especially to an insecticidal fungus and its application. The invention provides an insecticidal fungus Beauveria bassiana (Balsamo) Vuillemin strain BBNS-J9-16(Beauveria bassiana), the collection number of which is CGMCC No. 5288. The invention also provides an application of the Beauveria bassiana (Balsamo) Vuillemin strain for killing aphid, and provides a efficient composite pesticide, which contains the above Beauveria bassiana (Balsamo) Vuillemin strain BBNS-J9-16 thalline and / or its spore powder. The high-efficient composite pesticide provided by the invention is used to infect hosts by the utilization of the insect fungus which is environment friendly and compatible with the environment so as to control insects. The insecticidal fungus can be used to protect crops and minimize the use of chemical pesticides, and plays an active role in guaranteeing the agricultural product safety and agro-environmental safety.

A biopesticidal composition for controlling insects (e.g., pecan weevils, the diaprepes root weevil, fall armyworm, fire ants), containing an agriculturally acceptable carrier and an effective insect (e.g., pecan weevils, the diaprepes root weevil, fall armyworm, fire ants) biopesticidal amount of a fungus selected from the group consisting of Beauveria bassiana having the identifying characteristics of Beauveria bassiana NRRL 30593, Metarhizium anisopliae having the identifying characteristics of Metarhizium anisopliae NRRL 30594, Beauveria bassiana having the identifying characteristics of Beauveria bassiana NRRL 30601, Beauveria bassiana having the identifying characteristics of Beauveria bassiana NRRL 30600, or mixtures thereof. Also, a method for controlling insects (e.g., pecan weevils, the diaprepes root weevil, fall armyworm, fire ants), involving applying an effective insect biopesticidal amount of the composition to the insects or to the plants, areas or substrates infested with the insects.

The invention relates to a drug for treating bronchitis and bronchial asthma of 7-15 year old children, which consists of oral Chinese medicinal decoction and acupuncture point injection. The active ingredients of Chinese medicinal decoction consists of a variety of Chinese herbal medicines, comprising Herba Ephedrae Praeparata, Schisandra chinensis, Astragalus mongholicus, American ginseng, Radix Pseudostellariae, a pair of gecko, Zaocys dhumnades, Morinda officinalis, Lumbricus, Herba Epimedii, Sinapis alba, Semen Descurainiae (Lepidium apetalum and / or Descurainia sophia), Ginkgo biloba seed, Ramulus Cinnamomi, Radix Paeoniae Alba, Radix Rehmanniae Praeparata, Fructus Psoralea, Achyranthes bidentata, Fructus Lycii, black ant, Poria cocos, Largehead Atractylodes Rhizome, Rhizoma Dioscoreae, Radix Glycyrrhizae, Scorpion, Divaricate saposhnikovia root, Belamcanda chinensis, Prunus mume, white mulberry root-bark, processed Tussilago farfara flower, Stemona Root, Lily Bulb, Semen Armeniacae Amarum, Ganoderma, Manchurian wildginger, Angelica sinensis, Cornus officinalis and Bombyx Batryticatus (Bombyx mori and / or Beauveria bassiana). The acupuncture point injection is one of nucleotide and casein, placenta tissue fluid and Astragalus mongholicus injection. The drug of the invention can treat both principal and secondary aspects of disease, determine the treatment based on differentiation of symptoms and signs, enhance body immunity, and recover the function of impaired lung, spleen, kidney and heart, and has the advantages of high cure rate and no recurrence.

The invention relates to a preparation method and application of Beauveria bassiana, which especially has an effect on control of locust pests. The Beauveria bassiana (Bals. -Criv.)Vuill TRCC16001 provided by the invention has a registered number of CGMCC No.7997 in China General Microbiological Culture Collection Center. With a strong spore production ability, the strain has strong insecticidal activity on pygmy grasshoppers 3rd instar locust nymphae, and the lethal time of 50% LT50 is 3.04 days. The strain can be employed to effectively control the population quantity of pygmy grasshoppers. In addition, locust Metarhizium anisopliae also has very good prevention effect on other pests Dendrolimus punctatus, ostrinia nubilalis, grubs and the like, thus being worthy of popularization and application.

The invention discloses an efficient microbial agent for resisting insects, preventing diseases, increasing fertility and promoting growth. In order to solve the technical problem that the existing microbial agent does not have ideal effects of resisting insects, preventing diseases, increasing the fertility and promoting the growth. The technical scheme adopted by the invention is as follows: the microbial agent is obtained by implanting soybean protein, amino acid, fulvic acid and a medium trace element which are used as carriers into a mixture of ferment bacteria, endogenous bacillus and beauveria bassiana and fermenting for 48 to 60 hours at the temperature of between 38 and 46 DEG C; and diseases and insects are prevented and controlled through antibiotics and chitinase generated in the bacteria fermentation process according to the technical principle. The microbial agent has the technical effects that the soil can be improved, and the root system is stimulated to grow, so that crops well absorb required nutrients; the microbial agent has a good effect of resisting the infringement of root-knot nematode and stem eelworms, has quite positive promoting effects of swelling fruits and increasing the sweetness, has obvious promoting effects on crop growth, plant reinforcement, yellowing resistance, lodging resistance and rotting resistance, and integrates insect resistance, disease prevention, fertility increase and growth promotion; and the labor intensity is reduced, manpower and material resources are saved, and the production cost is reduced.

The invention relates to a disinfectant for culturing silkworms, which uses bromochlorohydantoin as a main agent and an alkaline sodium salt as an auxiliary agent, wherein when the disinfectant is prepared into solution by using water as a solvent, the mass volume density of the bromochlorohydantoin is 120 to 960 mg / L, and the mass percentage concentration of the auxiliary agent is 0.25 to 0.75 percent. When the disinfectant is prepared into powder, the mass percentage of the bromochlorohydantoin is 5 to 20 percent, and the mass percentage of the corresponding auxiliary agent is 80 to 95 percent. The alkaline sodium salt is any one of trisodium phosphate, chlorinated trisodium phosphate or sodium bicarbonate. More preferably, the mass volume concentration of the bromochlorohydantoin is 240 to 480 mg / L, and the mass percentage concentration of the alkaline sodium salt is 0.45 to 0.5 percent. The disinfectant develops novel application of the existing medicament bromochlorohydantoin; the disinfectant prepared from the bromochlorohydantoin and an alkaline compound of the trisodium phosphate, the chlorinated trisodium phosphate or the sodium bicarbonate and the like is safe and reliable, has a good effect of killing main pathogens of NPV, CPV, N. b, beauveria bassiana, aspergillus flavus, bacillus thuringiensis and toxins, and is an effective broad-spectrum disinfectant for culturing the silkworms.

The invention discloses a stiff silkworm culture method. The stiff silkworm culture method comprises the following steps of a. preparing a spore suspension: taking beauveria bassiana spores to prepare the spore suspension; b. infecting: feeding young silkworms; 12-24 hours after the young silkworms wake up from the fourth dormancy, spraying and inoculating the spore suspension obtained in the step a; feeding the young silkworms under the conditions that the temperature is 23-25 DEG C and the humidity is more than 95%; after 4 hours, repeatedly spraying and inoculating for one time; c. feeding the young silkworms which are infected in the step b for 48 hours under the conditions that the temperature is 23-25 DEG C and the humidity is more than 95%; feeding the young silkworms in a natural environment until the domestic silkworms grow up, harvesting and drying the silkworms. The stiff silkworm culture method disclosed by the invention can be used for culturing the stiff silkworms in a large scale and has high and stable yield; the quality of the cultured stiff silkworms is excellent and the industrial application prospect is good.

The invention discloses a Beauveria bassiana strain having high pathogenicity to silkworms and an application of the Beauveria bassiana strain in the production of Bombyx Batryticatus. The strain is preserved at the China General Microbiological Culture Collection Center on February 24, 2014 and the preservation number is CGMCC NO. 8861. The method for producing Bombyx Batryticatus by using the strain disclosed by the invention comprises the steps of preparing a spore suspension by using Beauveria bassiana and sterile water containing 0.2% of Tween-80, uniformly spraying the spore suspension onto the fifth-instar silkworm and inoculating for 4-5 days and obtaining Bombyx Batryticatus after a large quantity of silkworm died from muscardine. The Beauveria bassiana strain disclosed by the invention has high pathogenicity to the silkworm, the death time of the silkworms is consistent, the rigescence rate is high and is conducive to solving the problems about the standard production, quality control of Bombyx Batryticatus and the like.

The invention discloses a microbial insecticide composition for control of solenopsis invicta. The microbial insecticide composition consists of beauveria bassiana and thiacloprid, the number of beauveria bassiana spore and the gram of thiacloprid are in a ratio of (8-1)*20 billion:2-9g. Test finds that compounding of beauveria bassiana and thiacloprid has an obvious synergistic effect, can achieve very good control effect, has the advantages of high efficiency and rapidity on solenopsis invicta, is non-toxic to human and livestock, has no pollution to soil and groundwater resources, and is very safe. Therefore, the insecticidal effect of beauveria bassiana is improved, also reinforcement of solenopsis invicta drug resistance is delayed, the dosage of chemical pesticide thiacloprid is reduced, and environmental pollution is reduced, thereby improving the control effect, reducing the dosage of effective ingredients, saving cost and delaying the generation of pest resistance to insecticides.

The invention relates to a natural plant biological composite nutrient solution for killing nematode and a preparation method thereof. The natural plant biological composite nutrient solution for killing nematode comprises bacillus subtilis bacillus subtilis, paecilomyces lilacinus, beauveria bassiana and plants marigold flower, stemona, maidenhair, sophora flavescens, derris trifoliata, melia azedarach and protein liquid according to weight ratio, compared with prior art, the natural plant biological composite nutrient solution has beneficial effects that harm due to soil borne parasites such as root-knot nematode, heterodera sachachtii, and ditylenchus dipsaci can be effectively prevented and treated; no pesticide residue on soil and crops fruits can be realized, usage is convenient, no pollution is generated, nematode harm can be avoided by using the solution for three times in a whole fertility period, and the nutrient solution creates condition for producing green organic food; and has good prevention and treatment effects for crop soil borne disease, can improve the soil and increase soil granular structure, and is capable of preventing soil hardening, increasing the content of the organic matter, dissolving phosphor, releasing potassium and fixating nitrogen, as well as supplementing crop nutrition.

The invention discloses beauveria bassiana with high pathogenicity to anoplophora chinensis larva and applications thereof. The beauveria bassiana strain provided by the invention is named as Beauveria bassiana FJBb201023 and is preserved in China General Microbiological Culture Collection Center (CGMCC) on October 27, 2014, and the preservation number is CGMCC No.9851. The strain is rapid in growth speed and strong in spore production capability, and has high pathogenicity to anoplophora chinensis larva, and after being inoculated with spore suspension (107 spores / mL), the lethal time of 50% (LT50) of the strain to anoplophora chinensis larva is 5.38 days. A fungal preparation produced by using the strain has a good prophylaxis and treatment effect on anoplophora macularia, and can effectively reduce the woodland population density of anoplophora macularia, therefore, the strain is a biocontrol strain having a potential value in the prevention and control of anoplophora macularia, and has a positive significance to the reduction of damages caused by anoplophora macularia.

The invention discloses a method for increasing the yield of solid fermentation beauveria bassiana spores by adding nutrient substances, which belongs to the technical field of application of a nutrient condition changing strategy in fermentation process optimization. The beauveria bassiana YP3-09 of the invention is preserved in CCTCC, and the preservation number is CCTCC No: M209238. The CCTCC No: M209238 is used as a fermentation strain; 33 to 37 g / L of sucrose, 50 to 55 g / L of sodium nitrate and 75 to 85 mug / L of boric acid are added into a solid fermentation culture medium to perform fermentation; and under the culture conditions, the yield of the beauveria bassiana spores is increased to 6.22*109 spores per gram from 7.30*107 spores per gram of a contrast (without adding three nutrient elements) case; therefore, the yield of the beauveria bassiana spores can be greatly increased by using the strategy, and the method provides the foundation for industrialized production. The strategy has important instructive significance for the production of other solid fermentation products.

Aiming at the defects of conidiospores as propagula of an insecticide of insect pathogenic fungi, the invention provides a technology of liquid culture of entomogenous fungus sclerotia, and the entomogenous fungus can be beauveria bassiana. The liquid culture method of entomogenous fungus sclerotia provided by the invention is required to control the liquid culture components and the culture conditions within a certain range. The cultured sclerotia can be stored for a long time after vacuum drying, and can still germinate mycelia and pathogenic conidiospores under suitable conditions. The micro-sclerotia prepared by drying have maintained activity, can germinate mycelia and spores after rehydration, and increase the potential of beauveria bassiana as a biocontrol factor for western flowerthrips in a soil-dwelling phase. The technology has low cost, long storage period of sclerotia, and is quite suitable for popularization.

The invention provides a safe and circulating disease and pest prevention and control method for organic rice and belongs to the technical field of organic agriculture. The method is characterized in that agricultural prevention and control methods such as rice field-upland field rotation, resistant rice seeds, ploughing and soaking for a long time for killing stem borers and cultivation of strong seedlings are adopted according to rice growth and disease and pest occurrence rules, biological prevention and control methods of stocking of fish fries and tadpoles and biological modelling utilizing a sex attractant are adopted, a physical prevention and control method of mounting of insecticidal lamps and yellow sticky traps is adopted, plants are combined for protecting copper sulphate products, 100 billion spores per g of bacillus subtilis, bordeaux mixture, 40 billion spores per g of beauveria bassiana WG and 0.3% sophocarpidine EC, and special and circulating prevention and control on diseases and pests are carried out. The method provided by the invention has the advantages that the problems that prevention and control means on the diseases and pests of the organic rice are less and the effect is poor are effectively solved, the control efficiency on rice plant hoppers is more than 80%, the control efficiency on rice leaf folders, the stem borers and weevil larvae is more than 90%, the control efficiency on rice leaf blast is 60%, the control efficiency on neck blast is 80%, the large-scale yield increase is 10%, and safe and efficient internal circulation of prevention and control on the diseases and pests is realized, so that the aim of protecting ecology is achieved.

The invention relates to the technical field of identification, separation and purification application of beauveria bassiana strains, and discloses a separation and purification method of beauveria bassiana. By adopting the separation and purification method, a culture medium is scientifically optimized and improved; simple, quick and effective separation and purification of the beauveria bassiana are achieved by combining improvement of cultivation device coverings on the basis of the culture medium with a scientific formula. The method disclosed by the invention is simple and quick to operate, wide in samples applicable to separation and purification of the beauveria bassiana, low in operation cost and free of pollution on environment; the targets of separation and purification can be well achieved.

The invention discloses an improved efficient white muscardine silkworm cultivating method. The method includes the following steps that silkworms are bred, beauveria bassiana spore suspension is sprayed on the surfaces of the silkworms within the 0-2h after the four-instar moulting silkworms molt, the silkworms die due to attack of diseases after five days to six days, the dead silkworms are picked out for further muscardine, and the silkworms are aired or dried to obtain muscardine silkworms. The varieties of the silkworms are Haoyue, Taiyuan and Hang 7. The silkworm varieties poor in tolerance of beauveria bassiana are screened out to serve as the varieties special for white muscardine silkworm production, so that the infection rate of the silkworms is improved. The extreme early stage of the five-instar silkworms newly molting is selected as the optimal period for inoculating the silkworms with the beauveria bassiana, and therefore the infection rate of the silkworms and the yield of the white muscardine silkworms are increased.

The invention discloses an artificial preparation method of white muscardine silkworms. The method includes the steps of 1, preparation of beauveria bassiana spore liquid, wherein white muscardine silkworm bodies are soaked and cleaned with sterile water, filtrate is obtained after filtering is completed, and the beauveria bassiana spore liquid is obtained after primary slant culture, secondary slant culture and tertiary slant culture; 2, pathogen toxin counteracting, wherein the beauveria bassiana spore liquid is rapidly sprayed to the silkworm bodies of 5-day-old or older silkworms within 45 min after the beauveria bassiana spore liquid is prepared, and a silkworm room is sealed for 1-1.5 h after the beauveria bassiana spore liquid is sprayed; 3, silkworm body culture, wherein the silkworm room is opened, the silkworm bodies are fed, and the silkworm bodies are fed once every other 3-4 h till the silkworm bodies die; 4, white muscardine silkworm culture, wherein the dead silkworm bodies are transferred to a silkworm rearing bed, the silkworm bodies continue to be cultured under the condition that the temperature is 25-28 DEG C and the humidity is 95-98% till the silkworm bodies are fossilized, and white mycelium conidia grow out; 5, preparation of the finished white muscardine silkworms, wherein white muscardine silkworms with the white mycelium conidia growing out are collected and then dried till the water content is smaller than 10%, and the finished white muscardine silkworms are obtained. The preparation period of the finished white muscardine silkworms is short, and the yield and quality are high.

The invention belongs to the field of agricultural production and discloses a formula of a biological source bait for preventing and controlling Solenopsis invicta Buren and a use method thereof. The formula is used for preventing and controlling invasive insect pest Solenopsis invicta Buren. The biological source bait utilizes one or more active ingredients such as Metarhizium fkavoviride, verticillum lecanii, bacillus thuringiensis and beauveria bassiana. The active ingredients and baits such as pork, konjac glucomannan, sodium chloride, egg yolk powder, monosodium glutamate and sucrose are mixed to form an insecticide, the insecticide is put on the upper edges of a Solenopsis invicta Buren nest or is placed at a position where there is Solenopsis invicta Buren invasion hidden danger so that prevention and control of Solenopsis invicta Buren are realized. The formula is simple and is easy to use. Through virus transmission from worker Solenopsis invicta Buren to ant Solenopsis invicta Buren, nest elimination is realized. The active ingredients are insect pathogens and can effectively prevent environmental damage caused by pesticide application.

The invention relates to a microbial insecticide composition of beauveria bassiana and veratrine used for controlling poinsettia whiteflies. The microbial insecticide composition is characterized by comprising active ingredients of bacillus subtilis and veratrine, wherein the weight ratio of the bacillus subtilis to the veratrine falls within a range of (0.1:50)-(5:1). The microbial insecticide composition provided by the invention has the advantages that: after the bacillus subtilis and the veratrine are compounded, obvious synergistic action and sustained action are obtained, the poinsettia whiteflies are controlled, multiple functions of high efficiency, low toxicity, low pollution and no residue are obtained, the cost is obviously reduced and the resistance of the whiteflies to the pesticides is slowed down.

The invention relates to an agricultural insecticidal composition which takes bacillus thuringiensis and beauveria bassiana as main active components and an application thereof. The agricultural insecticidal composition contains active medical components, a pesticide carrier and an auxiliary agent, wherein the active medical components comprise the bacillus thuringiensis and the beauveria bassiana and the weight part ratio of the bacillus thuringiensis to the beauveria bassiana is 1 to (1-6). The agricultural insecticidal composition provided by the invention has high efficiency and low toxin, and is safe to human, livestock and crops; the crops can be protected and natural enemies are not injured, so that the influences on the ecological environment are small, and a development direction of current pesticides is met; and furthermore, the agricultural insecticidal composition is a green pesticide preparation which has an extremely good development potential.

The invention relates to a fungus metabolism product with destroying intectinal worm's effect and it's preparing method and application in the field of microorganism pesticides technique. The preserved number of the fungus bacterial strain: Beauveria bassiana snf0907 is CGMCC No.1340.