311 results about "Beet armyworm" patented technology

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

The invention provides a stilbene derivative with 1,3,4-oxadiazole and a preparation method and application thereof. The preparation method of the stilbene derivative with 1,3,4-oxadiazole comprises four specific reaction steps, namely oxidation cyclization reaction, NBS (N-bromosuccinimide) bromination reaction, triethyl phosphite esterification reaction and Wittig-Honner reaction. The stilbene derivative with 1,3,4-oxadiazole disclosed by the invention can be used to obviously inhibit the growing activities of Lepidopteron such as beet armyworm and cabbage looper and have important application value in the developments of environmentally friendly, efficient and new pesticides.

The invention discloses a Bacillus thuringiensis MB-15 strain which has a broad spectrum and high virulence on vegetable lepidoptera pests, and the preservation number of the strain is CGMCC No. 5255. The strain can form a diamond insecticidal crystal protein, contains cry1I, cry1Ac, cry2Ac and vip3Aa genes, and has high-efficiency insecticidal activity on plutella xylostella, Pieris brassicae, beet armyworm, Spodoptera litura, Helicoverpa armigera and other lepidoptera pests. The invention also relates to a preparation method of the wettable powder of strain. The wettable powder comprises the following content of main components: 40.0-50.0% of Bacillus thuringiensis MB-15 strain powder, 5.0-10.0% of a dispersant, 5.0-10.0% of a wetting agent, 0.5-1.0% of a stabilizer, 0.5-1.0% of an ultraviolet light protection agent, and 28.0-49.0% of a carrier. The wettable powder can be used to control a plurality of lepidoptera pests on vegetables, and has the characteristics of broad spectrum, high efficiency, and safety, etc.

A pesticidal composition in the field of composite pesticides is disclosed in the invention. The effective components of the pesticidal composition comprise sulfoxaflor and amide pesticides, wherein, the weight ratio of sulfoxaflor to amide pesticides is 1-80:80-1, preferred 1-45:35-1. The total content of the effective components accounts for 1-90wt% of the pesticidal composition, preferred 1-50%, and the rest are auxiliary components which are allowed and accepted in pesticides. The pesticidal composition can be prepared into dosage forms, such as missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water and micron emulsion by known methods, and has substantial effects on controlling Lepidopterous pests such as diamondback moth, beet armyworm, prodenia litura, cotton bollworm, Chilo suppressalis, mealybugs and the like, and homopteran pests with piercing-sucking mouthparts such as plant hopper, aphid, whitefly, leafhopper and the like.

The invention discloses an insecticidal composition for agricultural insects, which contains two active ingredients: the first active ingredient is chlopyrifos, the second active ingredient is 3-chlorine-N<1>-(2-methyl-4-heptafluoroisopropyl phenyl)-N<2>-(1-methyl-1-cyano ethyl) phthalic diamide, and the weight ratio of the first active ingredient to the second active ingredient is (1-50):(20-1). The insecticidal composition is suitable for controlling insects such as crop prodenia litura, beet armyworms, plutella xylostella, chilo suppressalis walkers, rice leaf rollers and cotton bollworms, and is superior to a single insecticide in quick-acting property and persistent-acting property; the use amount and the use cost of the insecticide are reduced; and the environmental protection and comprehensive control of the agricultural insects are facilitated.

The invention discloses an insecticidal composition containing chromafenozide and amide. The insecticidal composition contains active component A and active component B. The active component A is selected from chromafenozide, the active component B is any compound selected from the following: flubendiamide, chlorantraniliprole and cyantraniliprole, and the active component A and the active component B are in a weight ratio of 1:70-70:1. The composition provided in the invention can control a plurality of pests, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activity on plutella xylostella, beet armyworms, Pierisrapae Linne, tea tussock moth, Euproctis pseudoconspersa, peach fruit moths, Lithocolletis ringoniella, Olethreutidae, Archips fuscocupreana Walsingham, Pandermis heparana, cotton bollworms, Adoxophyes orana Fischervon Roslerstamm, Cnaphalocrocis medinalis Guenee, tryporyza incertulas, Chilo suppressalis and naranga aenescens moore. Also, the insecticidal composition can reduce the dosage of pesticides, reduce pesticide residue in crops, and alleviate environmental pollution.

The invention discloses an artificial rearing method of larvae of beet armyworm, and the method comprises the following steps: (1) placing eggs of the beet armyworm in a ground glass hatching jar, placing fresh young cabbage leaves after surface disinfection by 75% of alcohol in the jar and sealing by using three-layer gauze till hatching; (2) selecting the freshly hatched larvae of the beet armyworm into a 24-hole insect rearing plate loaded with artificial feed, and rearing till 3 ages; and (3) transferring the 3-age larvae of the beet armyworm into flat bottom glass finger-shaped pipes loaded with the artificial feed, enabling each pipe to contain two larvae, and rearing till pupation. The method is simple, the rearing process occupies small space, the survival rate of the larvae is high, and a large number of standard test insects can be obtained.

The invention relates to serratia marcescens S-JS1 and application of serratia marcescens S-JS1 in pest control. Serratia marcescens S-JS1 solid culture bacteria or bacterium suspension obtained through fermentation culture can both be applied to prevention and treatment of brown planthopper, beet armyworm and prodenia litura. After bacterium suspension of serratia marcescens S-JS1 is sprayed to brown planthopper, the result shows that the correcting death rates of third-instar nymphs, long-wing adult insects and short-wing adult insects of brown planthopper can reach 67.47%, 63.58% and 78.28% within 5 days respectively through the bacterium suspension with concentration of 8*109 cfu/ml; after 100 micro litters of the strain fermentation liquid with concentration of 108 cfu/ml are added to feed blocks (1*1*1 cm), the correcting death rates of third-instar nymphs of beet armyworm and prodenia litura are 45.64% and 32.20% respectively five days after the nymphs eat the feed blocks; the correcting death rates of third-instar nymphs of beet armyworm and prodenia litura are 76.36% and 62.06% respectively 9 days after the nymphs eat the feed blocks.

The invention discloses an insecticidal composition containing ethiprole, which contains an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from the ethiprole, the active ingredient B is selected from any one of following insecticides: fipronil bisamide and chlorantraniliprole, and the ratio of the active ingredient A to the active ingredient B by weight percent is 1-40%: 1-40%. The composition can be used for controlling a variety of insect pests, has obvious synergy, expands an insecticidal spectrum and has higher activity for rice fulgorid, rice-stem borer, yellow rice borer, rice leaf folder, beet armyworm, diamondback moth, apple peach fruit borer and asiatic apple leafminer; furthermore, the dosage of pesticide can be reduced, the residual quantity of the pesticide on crops can be reduced, and the environmental pollution can be also reduced; and the insecticidal composition is safe to people and animals, and good in environmental compatibility, and the insect pests are less prone to generating medicament resistance.

The invention relates to a method for breeding a large number of microplitis bicoloratus for controlling noctuidae injurious insects, belonging to the field of insect management. Beet armyworm or prodenia litura larvas between the end of second instar and the beginning of third instar are used as intermediate hosts, and microplitis bicoloratus is used as parasitic wasps for wasp inoculation, wherein the quantity ratio of the parasitic wasps to the hosts is 1:5-10. The hosts are bred under the conditions that temperature is 25-27 DEG C, RH (Relative Humidity) is 60-70%, photoperiod L:D is 2:12 and light intensity is 500 LUX. The parasitic wasps come out of polypide for cocooning, pupation and eclosion to obtain the microplitis bicoloratus. The invention realizes the efficient breeding of a large number of high-quality graparasitic wasps, namely microplitis bicoloratus which can be applied to the control of prodenia litura; the invention provides a solid basis for applying the microplitis bicoloratus to the control of the noctuidae injurious insects in large lands. The method is not limited by seasons, ensures the long-time abundant supply source of parasitic wasps and is beneficial to the long-time efficient control of noctuidae.

The invention discloses a substituted pyrazole (sulphur) ketone compound, shown as a general formula I, wherein definitions of substitutional groups are described in the specification. The compound shown as the general formula I has broad-spectrum bactericidal activity and a good control effect on multiple germs such as cucumber downy mildew, wheat powdery mildew, corn rust disease, tomato late blight, cucumber gray mold, rice blast and cucumber anthracnose, especially has a good control effect on the cucumber downy mildew even dosage is lower; and part of the compound disclosed by the invention also has better insecticidal activity and can be used for preventing and controlling plutella xylostella and beet armyworm, so that the compound shown as the general formula I disclosed by the invention can be used for preparing bactericide and pesticide drugs used for preventing and controlling germs and insect pests in agriculture or other fields.

The invention discloses a pesticide composition containing spinetoram and biogenic pesticide. The biogenic pesticide may be abamectin, emamectin benzoate or ivermectin; the weight ratio of spinetoram to biogenic pesticide is 1:60 to 60:1; and the spinetoram and biogenic pesticide account for 1 to 60 percent of the weight of the pesticide composition in total. The pesticide composition can be used for preventing and controlling rice stem borers, plutella xylostella in vegetables, beet armyworms and cotton bollworm in cotton. The pesticide composition not only expands the application range of pesticides, but also reduces the dosage of pesticides, namely dosage per mu of the pesticides under the conditions of obvious synergistic effect and optical prevention and control effects, and therefore the cost and environmental harms are reduced.

The invention discloses a pesticidal composition used for agricultural pests. The pesticidal composition contains two active components comprising a first active component and a second active component, the first active component is (3-chloro-N1-(2-methyl-4-heptafluoroisopropylphenyl)-N2-(1-methyl-1-cyanethyl)benzenedicarboxamide, and the second active component is emamectin benzoate or avermectin. The pesticidal composition has a substantial synergistic effect, and is especially suitable for controlling lepidoptera pests, and agricultural pests comprising Prodenia litura, Beet armyworm, cabbage caterpillar, Plutella xylostella, cotton bollworm, Chilo suppressalis, rice leaf roller and the like.

The invention discloses a dinotefuran-containing pesticidal composition, which comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from the dinotefuran, the active ingredient B is selected from any one of imidacloprid, acetaniprid, thiamethoxam and thiacloprid, and the weight part ratio of the active ingredient A to the active ingredient B is (1 to 50): (1 to 50). The dinotefuran-containing pesticidal composition has the advantages of preventing various pests, having obvious synergistic effect, expanding the insecticidal spectrum, and having high activity to sucking pests such as aphids, plant hoppers, leafhoppers and aleyrodids and Lepidoptera pests such as plutella xylostella and beet armyworm, reducing the dosage of pesticide, lowering the residual quantity of pesticides in crops, and lightening the environmental pollution. The composition is safe for persons and animals, is excellent in environment compatibility, and is not easy to enable the pests to generate drug resistance.

The invention discloses a pyrazolopyridine ureide compound. In a structural general formula I, R1 is selected from CH(CH3)2 or furfuryl, and Y is selected from O or S. The compound shown in the general formula I has an excellent insecticidal activity, has an unexpected ultrahigh activity on the lepidoptera pests such as diamond back moths, beet armyworms and rice stem borers, also has a good killing effect on the piercing-sucking type pests such as trialeurodes vaporariorum and pest mites, and can be used for preventing and controlling agricultural or forest pests.

The invention discloses an insecticidal composition containing sulfoxaflor and carbamates. The insecticidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is the sulfoxaflor; the active ingredient B is any of the following insecticides: carbaryl, indoxacarb, metolcarb, fenobucarb, and isoprocarb; and the weight ratio of the active ingredient A to the active ingredient B is 1-50 percent:1-80 percent. The composition can control various insect pests, has a remarkable synergistic effect, widens a bactericidal spectrum, and has relatively high activity on cotton bollworms, aphids, rice planthoppers, rice leafhoppers, and Cnaphalocrocis medinalis as well as Plutella xylostella, cabbage caterpillars and beet armyworms on cruciferous vegetables; the using amount of pesticides is reduced, the residual amount of the pesticides on crops is reduced, and the environmental pollution is reduced; and the insecticidal composition is safe to people and livestock, has high environmental compatibility, and ensures that pests cannot produce the pesticide resistance easily.

The invention relates to a synergistic pesticidal composition containing Clothianidin and emamectin benzoate, and its application. The synergistic pesticidal composition is mainly applied in research and application on prevention and treatment of rice hopper and borer. The invention solves the defects of most organophosphorus nicotine products used in pesticides at present, and the results of experiments show that the composition has good effect of controlling Sogatella furcifera. The pesticidal composition comprises the following active ingredients: 0.1-50 wt% of Clothianidin and 50-0.1 wt% of emamectin benzoate, and comprises the balance consisting of auxiliary agents and a carrier. The pesticidal composition can be applied to control plant hopper, borer, aphid, leafhopper, thrip, cabbage caterpillar, diamondback moth, beet armyworm, prodenia litura and other Hemiptera, Coleoptera, Diptera and some Lepidoptera insects for rice, vegetables, fruit trees and other crops. The other insects comprise plant hopper, rice leaf roller, Chilo suppressalis, tobacco aphid, Myzus persicae, Pear psylla, whitefly and the like. The invention also discloses the application of the pesticidal composition in lepidoptera insects and piercing and sucking type insects of crops.

The invention provides a formula of an artificial feed for beet armyworm. Each part of artificial feed comprises 290 to 310g of corn meal, 90 to 110g of soybean meal, 90 to 110g of feed yeast powder, 24 to 26g of agar, 1.4 to 1.6g of sorbic acid, 1.4 to 1.6g of complex vitamin, 9 to 10g of feed Vc, 2.4 to 2.6g of citric acid, 5ml of propionic acid and 1,300ml of water. The materials in the formula of the artificial feed are readily available, the cost is low, and the beet armyworm can be massively bred.

The invention discloses an agricultural insecticidal composition containing two active ingredients, namely chlorfluazuron and 3-chloro-N1-(2-methyl-4-heptafluoroisopropyl phenyl)-N2-(1-methyl-1-cyanoethyl)phthalimide which are in the weight ratio of (1-20): (30-1). The insecticidal composition disclosed by the invention is suitable for preventing and treating destructive insects, such as spodoptera litura, beet armyworm, cabbage caterpillar, diamondback moth and cotton bollworm, of crops. According to the agricultural insecticidal composition, the quick acting performance and effect lasting performance are better than those of single agents, and the dosage and medicating cost of insecticide are reduced, so that the environmental protection and comprehensive treatment on agricultural insects are facilitated.

A high-yield rod-shaped virus beet noctuids larval fatty somatic system, its construction and use are disclosed. It can be used to copy this kind of virus, construct rod-shaped virus expression carrier system and for scaled production.

The invention discloses a pesticide composition. The composition consists of two effective components of indoxacarb and pleocidin, assistant, and solvent or carrier. The weight ratio of the indoxacarb to the pleocidin is between 50 to 1 and 1 to 30, and the total content of the effective components is 1 to 80 percent. The composition has high synergism, enlarges controlling spectrums, is helpful for overcoming and retarding the pesticide resistance of pests, and has better compatibility with the environment. The composition can efficiently control lepidopterous pests, thrips and the like grown on rice, wheat, cotton, fruit trees, vegetables and the like, and particularly can be used for controlling high-resistant beet armyworm and diamond-back moth larva; and the effect of the composition is obviously higher than that of a single pesticide.

The invention relates to a pyridazinone compound and a synthesis method thereof. The synthesis method comprises the following steps: subjecting a substituted aromatic hydrocarbon and alpha halogen-benzoic acyl halide to Friedel-Crafts acylation to generate alpha halogen aromatic-aliphatic mixed ketone; reacting the alpha halogen aromatic-aliphatic mixed ketone with 4,5-dichloro-3(2H) pyridazinone, and then subjecting the alpha halogen aromatic-aliphatic mixed ketone and cyclamine to substitution reaction in solvent under the catalysis of alkaline reagent to synthesize the pyridazinone compound. Compared with the prior art, the pyridazinone compound is simple in process flow, wide in application range and applicable to the prevention and the treatment of pests such as flies, mosquitoes, fleas and the like and agricultural insects such as rice water weevil, beet armyworm, armyworm and the like, has the performance for inhibiting the growth of insects and particularly larva of the mosquitoes and is an insecticide with a wide application prospect.