318 results about "Chilo suppressalis" patented technology

The invention belongs to the field of pesticide, which mainly relates to an ultralow-volume solvent containing pleocidin or spinetoram. The ultralow-volume solvent is an active component I or an active ingredient compounded by the active component I or an active component II, and the balance is solvent and accessory ingredient, wherein the active component I is pleocidin or spinetoram; and the active component II is insecticide of the other type of action mechanism. The ultralow volume solvent is simple to process and has the advantages of water conservation, high work efficiency, long efficacy continuing period, small possibility of generating resistance to drug for a target, small environment pollution, synergy and the like. Ultralow volume spraying, low-volume spraying or low-volume electrostatic spraying is applied to effectively prevent and control various pests, such as Cnaphalocrocis medinalis, Chilo suppressalis, rice planthopper, Ostrinia nubilalis, plutella xylostella, cabbage caterpillar, Spodoptera litura, Spodoptera exigua, aphids, Lesser green leaf hopper, Icerya purchase, aleyrodid, Thrip, stinkbug, acridid, flea beetle, leafminer, looper and the like.

The invention relates to a disinsection composition containing a matrine and a neonicotinoid insecticide, and application thereof. The composition mainly uses the matrine and the neonicotinoid insecticide and is prepared by an auxiliary agent and an excipient to form microemulsion, emulsion in water, suspending agent, water dispersible granule, wetting powder and missible oil, wherein the mass percentage of the matrine and the neonicotinoid insecticide is 30:1-1:100. The disinsection composition has higher synergy effect, prevents pests from becoming resistant to drugs, prolongs the service life of pesticides and reduces pesticide residue. The composition can be used for preventing and treating homoptera, lepidoptera, thysanoptera, coleopteran and diptera on crops, particular for rice planthopper, trialeurodes vaporariorum, aphid, tryporyza incertulas, chilo suppressalis, thrips, paddy weevil and gall midge.

The invention belongs to the technical field of biological reproduction and cultivation, particularly to a method for artificially feeding Chilo suppressalis in a room. Chilo suppressalis is a polyphagous boring insect, and the indoor artificial feeding of the Chilo suppressalis plays an important role in multiple fields such as assessment of pesticide and the like. The method of the invention mainly uses a ziplock bag with small size, commonly used in a lab, as an egg bed of the Chilo suppressalis, and not only the materials is easily accessible, but also the specific operation of collecting egg masses is simplified further, at the same time, the method uses a plastic box with size of 20*15*15(cm) as a container, so the space occupied by the whole oviposition equipment in the method is smaller than that during using rice seedlings. In the invention, an improved method for artificially feeding Chilo suppressalis in the room is provided, and oviposition process of the Chilo suppressalis adult is simplified in the process of artificially feeding the Chilo suppressalis in the room, and enough egg masses can be produced for going down to the future generation.

The invention discloses an insecticidal composition containing metaflumizone, which comprises two active ingredients, namely the A ingredient and the B ingredient, wherein the A ingredient is the metaflumizone, the B ingredient is one of high-effect cypermethrin, cyhalothrin, profenofos, trichlorfon, diafenthiuron, pleocidin, tebufenozide, hexaflumuron, chlorfenapyr, pyridaben, acetamiprid, isoprocarb, dimehypo and padan, and the weight ratio of the A active ingredient to the B active ingredient is 1: 50-10: 1. The insecticidal composition is used for controlling lepidoptera pests in vegetables, rice, fruit trees, cotton and other crops, such as diamond-back moth, beet armyworm, rice leaf roller, chilo suppressalis, yellow rice borer, leaf roller, cotton bollworm and the like. The two active ingredients are mixed, the cotoxicity coefficient (CTC) value of the mixture is calculated according to the Sun Yunpei method, the insecticidal composition shows obvious synergy, the dosage of theactive ingredients can be reduced, and the generation of resistance to a new medicament, namely chlorantraniliprole can be deferred.

The invention belongs to the technical field of gene engineering, in particular relates to application of Chilo suppressalis (Walker) endogenesis small RNA in rice inset resistance improvement, and aims to verify the function and study the application of an obtained Chilo suppressalis endogenesis small RNA sequence. By means of high-flux small RNA sequencing and bioinformatics analysis, a DNA sequence of Chilo suppressalis endogenesis small RNA csu-15, and the nucleotide sequence of the DNA sequence is as shown in SEQ ID NO:1. The sequence of csu-15 is adopted to establish an artificial microRNA (amiRNA) expression carrier and convert rice. The in-vitro stalk insect inoculation experiment shows that Chilo suppressalis growth can be remarkably inhibited in transgenic rice.

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 a formula of feed for Chilo suppressalis artificial feeding, a preparation method of the feed, and a large-scale feeding method of chilo suppressalis, and belongs to the technical fields of insect artificial feed and large-scale feeding. The large-scale feeding method of chilo suppressalis comprises the following steps of 1, preparing the feed from 600 to 900 parts of distilled water, 12 to 18 parts of agar, 8 to 16 parts of rice stem powder, 40 to 55 parts of cooked soybean powder, 28 to 45 parts of rice chaff powder, 18 to 28 parts of casein, 4 to 9 parts of yeast powder, 8 to 16 parts of cane sugar, 1 to 4 parts of vitamin C1, 0.5 to 3 parts of 21 Jinweita, 0.5 to 3 parts of vitamin E, 0.1 to 1.2 parts of choline chloride, 3 to 8 parts of sorbic acid and 3 to 8 parts of aureomycin, 2, introducing chilo suppressalis egg masses and checking up a rate of hatchability, 3, collecting pupas, and 4, colleting eggs of chilo suppressalis adults. The formula of the feed for Chilo suppressalis artificial feeding, the preparation method of the feed, and the large-scale feeding method of chilo suppressalis have the advantages of simple processes, low cost, labor saving and time saving characteristics, easiness of operation, and good flexibility for large-scale feeding.

The invention provides a method for efficient zizania aquatica chilo suppressalis and rice chilo suppressalis breeding. The method includes that a first device and a second device are provided, wherein the second device comprises a colorless and transparent 500ml glass bottle; four layers of gauzes are paved at the bottom of the glass bottle, and a filter sheet is cushioned on the gauzes; three sections of fresh zizania aquatica are placed above the filter sheet in a triangle mode, and one layer of preservative film and one towel block are sequentially placed on the zizania aquatica; then, the opening of the glass bottle is covered with black cloth which is tightened through a rubber ring; or the second device comprises a colorless and transparent 500ml glass bottle; a wetted filter sheet is paved at the bottom of the glass bottle; rice seeds already sprouted are sown on the filter sheet, and when rice seedlings grow by 4-5cm, one layer of preservative film and one towel block are sequentially placed above the rice seedlings; after that, the opening of the glass bottle is covered with the black cloth which is tightened through the rubber ring. The chilo suppressalis can be gathered at one place for pupation, so that efficiency of pupa collection is improved, and death rate of the pupa is greatly reduced.

The invention discloses a method for cultivating paddy rice in a lodging resistance way, comprising the following steps of (1) selecting a lodging resistance variety; (2) implementing row-expanding transplant and rational sparse planting; (3) rationally irrigating to keep the alternate dry or wet status of a paddy field; (4) rationally applying fertilizer to optimize nitrogen fertilizer management; (5) enhancing control on plant diseases and insect pests, i.e. enhancing control on rice planthopper, banded sclerotial blight, rice joint blast and chilo suppressalis; (6) after the occurrence of lodging, timely adopting remedial measures, i.e. timely ditching for water discharge, implementing the foliage top dressing of foliar fertilizer, and bunching and strengthening after lodging. By the adoption of the method for cultivating the paddy rice in the lodging resistance way, as the resistance against external environmental conditions is enhanced, the lodging resistance capability of the paddy rice can be improved; after suffering natural hazards such as typhoon and rainstorm, the paddy rice grows well; therefore, available spikes are increased by 10.2%, total grains are increased by 10.2%, and filled grains are increased by 10.5%; the maturing rate is increased by 10.3%, the thousand grain weight is increased by 10.1%, the theoretical yield is increased by 10.9% and the actual yield is increased by 10.9%; in addition, the rice grains are excellent in quality, the cooked rice is tasted good, and the economic benefits are obvious.

The invention discloses a cultivation and production method for the double-season wild rice stem. The cultivation and production method for the double-season wild rice stem is characterized by successively comprising the following steps of carrying out two-section sprout cultivation on an autumn wild rice stem; carrying out field planting on the autumn wild rice stem; causing the autumn wild rice stem to grow and tiller; carrying out wild rice stem breeding on the autumn wild rice stem; harvesting the autumn wild rice stem; clearing a garden; letting field of the garden to be dormant; causing a summer wild rice stem to sprout and grow a young seedling; causing the summer wild rice stem to grow; carrying out wild rice stem breeding on the summer wild rice stem; and harvesting the summer wild rice stem. According to the cultivation and production method for the double-season wild rice stem, which is disclosed by the invention, at the end of May to June of the seedling tillering period which is the full incidence period of the pink rice borer, the nymphula and the saccharosydne procerus, 1200 times diluent of 10% Daoteng and 1000-1200 times diluent of 15% triadimefon are mixed to be sprayed, and the rust disease also can be treated. According to the cultivation and production method for the double-season wild rice stem, which is disclosed by the invention, great attention is paid to preventing and curing plant diseases and insect pests in the growing and tillering period of the autumn wild rice stem; the pink rice borer and the Chilo suppressalis are sprayed with 1500 times diluent of 10% Daoteng; the flax leaf spot disease is sprayed with 500-600 times diluent of 70% mancozeb; the rust disease is sprayed with medicine with 600 times diluent of triazolone; and the chemical is sprayed once again next week. The cultivation and production method for the double-season wild rice stem has the advantages of simpleness, practicality and low production cost, and the quality and the yield of the wild rice stem can be improved.

The invention discloses a screening method of chilo suppressalis reference genes under the stress condition of insecticide of chlorantraniliprole and application of the chilo suppressalis reference genes. The method comprises the following steps of using chilo suppressalis which is not treated by medicine as reference materials; using the chilo suppressalis treated by the stress of the chlorantraniliprole as experiment materials to be subjected to fluorescent quantitative PCR (Polymerase Chain Reaction) detection; inputting Ct values of all optional reference genes into reference gene stability analysis software delta Ct, RefFinder, BestKeeper, GeNorm and NormFinder to be analyzed; and screening the reference genes TF4 with the highest stability in the chilo suppressalis under the stress condition of the chlorantraniliprole. Therefore the genes can be used as the reference genes for accurately studying the expression of relevant genes under the stress of the chlorantraniliprole.

The invention discloses serratia marcescens NlM280 and an application thereof as an insecticide. A bacterial suspension obtained by the fermentation culturing of the serratia marcescens NlM280 or a supernatant obtained by centrifuging the bacterial suspension can be used for preventing and treating brown planthopper or chilo suppressalis. The results of injecting or feeding the bacterial suspension or the fermented supernatant of the serratia marcescens NlM280 into the brown planthopper show that the fatality rate of the brown planthopper after being injected with the bacterial suspension for 2 days can reach 100%; the fatality rate of the brown planthopper after being fed with the bacterial suspension for 3 days can reach 79.8%; the pathogenic effects of the serratia marcescens NlM280 are not influenced if the supernatant of the fermentation liquor of the serratia marcescens NlM280 is treated at the temperature of below 55 DEG C; the fatality rate of the brown planthopper after being injected with the fermented supernatant for 2 days can reach 97.2%; the effect on the brown planthopper after being fed with the fermented supernatant is hysteretic, i.e., the fatality rate of the brown planthopper after being fed with the fermented supernatant for 6 days reaches 84.2%. After the bacterial suspension or the fermented supernatant is sprayed to rice, if the rice is fed to the chilo suppressalis, the fatality rate of the bacterial suspension or the fermented supernatant to the chilo suppressalis can reach above 80.0% at the 4th day.

The invention discloses a pesticide composition containing cycloxaprid and a carbamate pesticide. The pesticide composition is characterized in that the weight ratio of cycloxaprid to the carbamate pesticide is (1:60)-(50:1). The composition can be prepared into such agriculturally allowable dosage forms as suspending agents, wettable powder, water dispersible granules, emulsifiable concentrates or microemulsion. The pesticide composition has the following beneficial effects: the pesticide composition has reasonable ingredients, a good pesticidal effect and low drug cost; the activity and pesticidal effect of the pesticide composition are not simply the addition of the activities and pesticidal effects of the ingredients; compared with the existing single preparation, the pesticide composition has an obvious synergistic effect besides the obvious pesticidal effect, slows down generation of resistance, has small residual quantity, does not pollute the crops, has good safety, conforms to the safety requirement of the pesticide preparation and has better control effect on aphis gossypii, chilo suppressalis, cnaphalocrocis medinalis guenee, rice plant hopper and phyllotreta striolata of vegetables.

The invention provides a compound combination for trapping chilo suppressalis female moths, comprising one or a mixture of camphor, durol or linalool. The prescription has the advantages of large trapping quality in fields, stable trapping effect, simple and safe operation and lower cost.

The invention discloses a monosultap imidacloprid liquid dispersibility effervescent tablet and a preparation method thereof. The dispersibility effervescent tablet selects a best formula, comprising 5-50% of monosultap, 5-50% f imidacloprid, 3-6% of dispersing agent, 3-25% of lubricating agent, 1-10% of acid effervescence agent, 1-10% of alkalinity effervescent tablet, 0.5-5% of binder and 100% of diluent. The dispersibility effervescent tablet can effectively prevent and control the rice planthopper, the Cnaphalocrocis medialis, the Chilo suppressalis and the Scirpophaga incertulas as well as the pests such as the Ceratovacuna lanigera Zehntner, the phyllocnistis citrella stainton, the vegetable aphid and the like.

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 relates to the technical field of microbial pesticides, in particular to beauveria bassiana wettable powder and application thereof. The beauveria bassiana wettable powder provided by the invention comprises beauveria bassiana conidial powder, a carrier, a wetting agent, a dispersing agent, an emulsifying agent, an absorbing agent and a regulating agent. The beauveriaceae wettable powder is reasonable in aid and proportion selection, good in quality indexes, good in activity, good in effect on prevention and treatment of ostrinia nubilalis and chilo suppressalis walker, convenient to use, long in storage time, low in cost, safe to people and animals, and good in environmental compatibility.

The invention discloses a chilo suppressalis artificial feed and a preparation method and an application thereof. The preparation method comprises the following steps: (1) picking fresh water bamboo stems for chopping, removing green, drying and smashing, and smashing compound vitamin B, vitamin C, baked soybean and flesh corn; (2) putting glucose, saccharose, compound vitamin B and vitamin C into a beaker, adding distilled water to dissolve the mixture to be used as a component A; (3) uniformly mixing weighed soybean meal, malt flour, yeast powder and water bamboo stem powder to be used as a component B; (4) heating agar for melting with water, adding sorbic acid for boiling and cooling, adding choline chloride and cholesterol, and using the mixture as a component C for standby application; (5) pouring the component A into the component B for uniformly stirring, then adding the component C for continuously, fully and uniformly stirring, pouring the mixture into a preservation box, and putting in a refrigerator for preservation at 4 DEG C after completely cooling and solidification. The chilo suppressalis artificial feed has the characteristics of being low in cost, economic and practical, simplicity and convenience for preparation and the like and is suitable for large-scale, long-term, successive transfer breeding of standard tested insects.

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 discloses a benzamide compound and application thereof. The structure of the compound is shown as general formula I in the specification, wherein all the substituent groups are defined as the specification. The general formula I compound has a novel structure and excellent insecticidal activity, and can effectively control plutella xylostella, armyworm, chilo suppressalis and other pests at a low dose. The general formula I compound also has unexpected high insecticidal quick-acting performance and takes effect rapidly, can achieve high insecticidal activity 1d after application,and can reach extremely high insecticidal activity in three days, thus having broad application prospects.