65 results about "Exigua" patented technology

The invention discloses a fluoro methoxylpyrazole-containing o-formylaminobenzamide compound shown as a structural formula (I) or agriculturally suitable salts thereof, a synthesis method and application thereof. The fluoro methoxylpyrazole-containing o-formylaminobenzamide compound has the advantages of effectiveness, low toxicity, low cost and environmental safety and can be used for preventingand removing various pests in the fields of agriculture and horticulture or pests parasitized on animals. The fluoro methoxylpyrazole-containing o-formylaminobenzamide compound has very high activityon lepidopteran pests (plutella xylostella, spodoptera exigua and cotton bollworm), hemipteran pests (black peach aphid and aphis craccivora koch), homopteran pests (nilaparvata lugens), dipteran pests (liriomyza trifolii) and leaf beetle pests (phaedon conchleariae). Particularly, good effect on the lepidopteran pests, the hemipteran pests and the dipteran pests can be achieved under the condition of low dosage of the compound.

The invention discloses an insect-fusion-resistant gene, coding protein, a carrier and application thereof. The insect-fusion-resistant gene is formed by using a connecting peptide coding gene to connect a nucleotide sequence of coding BT insecticidal crystal protein Cry1Ab with coding BT trophophase insecticidal protein Vip3A, the connecting peptide amino acid sequence is shown as SEQ ID NO:1. Insecticidal activity of the insect-fusion-resistant gene is improved, and insecticidal spectrum is wider. The insect-fusion-resistant gene can kill main lepidopterous insects like armyworm, Spodoptera litura, Ostrinia furnacalis, cotton bollworm and Spodoptera exigua of paddy and maize. In addition, the insect-fusion-resistant gene can effectively slow down insect resistance.

The invention relates to a compound agricultural insecticide. The insecticide comprises indoxacarb as a first active ingredient and abamectin or emamectin benzoate as a second active ingredient to prepare the agricultural insecticide by binary compounding. The weight ratio of the first active ingredient to the second active ingredient is 0.1-100:1, preferably 0.5-50:1, and more preferably 1-10:1. The invention has the advantages that the insecticide can effectively defer a pest to generate resistance to single insecticide, and has good synergistic effect on rice leaf roller, prodenia litura, spodoptera exigua, diamond back moth, aleyrodid, aphid and other Lepidoptera or Homoptera pests.

The invention relates to an insecticidal and antifungal bacillus thuringiensis bacterial strain and the application. The bacterial strain is bacillus thuringiensis 519-1, which is called as Bt 519-1 for short, the collection number is CGMCC No. 2327, the bacterial strain carries the insecticidal protein coding genes of cry1Aa, cry1Ab, cry1Ac, cry1I, cry2 and the vip3A and 70 kDa chitinase coding gene chiB. The semi-lethal concentration (LC50) to spodoptera exigua of the spore crystal complex freeze-dried powder of the bacterial strain is only 8.8Mug/mL, and the bacterial strain can inhibit the growth of 8 common plant pathogen fungal myceliums and inhibit the germination of the fungal spores completely. The usage of the bacterial strain can produce the insecticidal and anti-disease multifunctional biological pesticides, which is used for the prevention and the treatment of lepidoptera major pest spodoptera exigua and bollworm; at the same time, the bacterial strain also has the inhibition function of the plant pathogen fungi.

The invention discloses an anthranilic acid compound, of which the structure is shown in a general formula I, wherein the definitions of substitutional groups are shown in an instruction book. The anthranilic acid compound has broad-spectrum insecticidal activity, and in particular to spodoptera exigua hubner and diamond back moth, the compound has better activity, and can also achieve good control efficiency under the condition of low dose.

The invention discloses a method for improving parasitic ability of parasitic wasps by utilizing a hairyvein agrimonia herb and bud ethanol extract. The method is designed against the situation that the parasitic ability of the parasitic wasps in the natural world is usually not high, when in great occurrence amount of pests, the natural pest control effect is small, and the complete control of the pests can not be realized. The use of the traditional Chinese medicine hairyvein agrimonia herb and bud ethanol extract for processing meteorus pulchricornis can significantly improve the parasitic amount of the meteorus pulchricornis to vegetable major pest spodoptera exigua and enhance the pest control ability of the parasitic wasps. Compared with the traditional pest control which takes the pests as a target object, the technology takes the parasitic wasps which are the parasitic natural enemies of the pests as the target object and uses the hairyvein agrimonia herb and bud ethanol extract to improve the parasitic amount and the parasitic speed of the meteorus pulchricornis, so as to improve the pest control effect. The technology not only has evident synergy, but also has high safety and can effectively improve the biological control level of the pests. The economic, the social and the ecological benefits are very significant after a large number of applications on the production.

The invention discloses a pesticide composition containing nitenpyram, which comprises two active ingredients: A is the nitenpyram, and B is one selected from chlorpyrifos-methyl, chlorantraniliproleand metaflumizone; and based on the parts by weight of the two active ingredients, the proportion between the components A and B is 1:20-20:1. The pesticide composition can be prepared into missible oil, wetting powder, emulsion in water, microemulsion, suspending agent and water dispersible granules, wherein the weight percentage content of the active ingredients is 5-85%. The pesticide composition has the function(s) of synergy and/or expansion of prevention and treatment spectrum, and can be used for controlling pests such as rice planthopper of rice, cnaphalocrocis medinalis guenee, chilosuppressalis, tryporyza incertulas, rice skipper butterfly and the like as well as aphid, white fly, thrips palmi karny, flea beetle, prodenia litura, spodoptera exigua and the like of commercial crops such as cotton, vegetables and the like.

The invention discloses a dinotefuran-containing pesticide composition. In a pesticidal composition which contains A and B, A is dinotefuran, B is any one of the following pesticides: abamectin and emamectin benzoate, and a weight part ratio of the two active ingredients A to B is 1-100:1-20. The dinotefuran-containing pesticide composition can prevent and control various pests, has obvious synergy, expands a pesticidal spectrum, has relatively high activity to piercing and sucking pests such as aphids, plant hopper, leafhopper and whiteflies and lepidoptera such as plutella xylostella, spodoptera exigua and fruit tree mites, reduces the using amount of the pesticide, reduces the residue amount of the pesticide on crops, reduces environmental pollution, is safe for people and livestock and has high environmental compatibility, and the pests difficultly generate pesticide resistance.

The invention discloses a DNA sequence for coding spodoptera exigua vitellogenin (SEVg). The invention also discloses a specific polypeptide sequence capable of utilizing Western blot to detect the AlVg protein expression level. The invention also discloses a polyclonal antibody of an SEVg polypeptide and a preparation method thereof. The polypeptide specific antibody is utilized for analyzing the tissue distribution of SEVg in spodoptera exigua and the difference expression on the protein level. The invention can be used for observing and predicting the population dynamics of spodoptera exigua in fields and can provide material basis and technical support for quick detection and molecular biology study of the protein.

The invention relates to an insecticidal composition containing tenvermectin. In the composition, tenvermectin and a component B are compounded according to a specific ratio, wherein the component B is selected from a group consisting of phenylpyrazoles, pyrethroids, anabasines, diamides, macrolides and organophosphoruses. The composition has excellent synergistic effect on prevention and treatment of a plurality of insects such as Tetranychus cinnabarinu, Tetrangchus urticae Koc, Plutella xylostella, Laphygma exigua, Spodoptera litura, Laodelphax striatellus, red spiders, Agrotis ipsilon, wireworms, armyworms, pine caterpillars, pine wilt diseases or rice stem borers.

The invention relates to sesquiterpenoids, a preparation method of the sesquiterpenoids and applications of the sesquiterpenoids in pesticides, especially applications of the sesquiterpenoids as antifeedants and/or growth and development inhibitors. The compounds disclosed by the invention have structures represented by formulas 1-4 in the invention, and possess better comprehensive control effecton plutella xylostella, spodoptera exigua and prodenia litura; and green development of protected areas in China and sustainable cultivation of crops with high additional value are facilitated by reducing the use frequency and the use amount of existing chemical pesticides.

The invention relates to an insecticidal composition and belongs to the field of pesticide compounding. An insecticide comprises active ingredients of Sulfoxaflor and pyrethroid, wherein the weight percentage ratio of the two active ingredients is (1-80):(50-0.1), and preferably, the weight percentage ratio is (5-45):(25-0.1); the total mass percentage of the active ingredients of the insecticidal composition is 1 to 75 percent and preferably, the total mass percentage is 3 to 40 percent; and the insecticidal composition also comprises auxiliary ingredients which are applicable and acceptable in pesticides. The insecticidal composition can be prepared into emulsifiable solution, microemulsion, water emulsion, a suspending agent, water dispersible granules and wettable powder by the known method. The insecticidal composition comprising the active ingredients of the Sulfoxaflor and the pyrethroid has remarkable effects of preventing and controlling homoptera piercing and sucking type insects such as delphacidae, aphid, whitefly, leafhopper, Icerya purchasi and the like, Lepidoptera insects such as Plutella xylostella, Spodoptera exigua, prodenia litura, Heliothis armigera, Chilo suppressalis, mealybug and the like, and Hemiptera Miridae insects such as cotton capsid bug and the like.

The invention relates to a method for monitoring drug resistance of insecticides. The method comprises the following steps: (1) obtaining a species group of spodostera exigua hubner in at least one geographical region via field collection; (2) transferring the species group of spodostera exigua hubner collected in fields into indoor for propagating one generation; (3) hungering the propagated one generation three-age spodostera exigua hubner for 2 hours, and performing the drug resistance measurement; (4) diluting at least one insecticide crude drug into five concentrations that the death rate is 10%-90%, and dipping cabbage round leaves to obtain poisonous leaves which are used for feeding the spodostera exigua hubner; and (5) checking the result after a certain time to obtain the drug resistance level of the spodostera exigua hubner in a region to a certain insecticide. The method determines the resistance condition of the spodostera exigua hubner in fields to insecticides via monitoring the drug resistance of the species group of spodostera exigua hubner to insecticides, so that effective guidance can be supplied for the resistance management and integrated control of spodostera exigua hubner.

The invention relates to an imidacloprid composition, a preparation method and application thereof. The imidacloprid composition belongs to a synergistic desinsection composition and is a mixture containing a compound (A) and a compound (B). The synergistic desinsection composition can be used for controlling various pests of armyworms (subtropic armyworms, meadow armyworms, yellow striped armyworms, western yellow striped armyworms), cotton bollworms, tomato Zeuzera leuconotum Butlers, tomato grapholitha inopinata heinriches, hawkmoths, garden webworms, potato moths, diamond back moths, cabbage loopers, noctuids, Spodoptera exigua Hubner, Laspeyresia pomonella, Carposina niponensis Walsingham, Grapholitha molesta Busck, Choristoneura rosaceana, Adoxophyes orana Fischer von Rosleratamm, spot leaf miners, apple leaf miners, rice-stem borers, Scirpophaga incertulas, pink rice borers, Cnaphalocrocis medinalis Guenee, cabbage caterpillars, European corn borers, Asian corn borers, melon worms, Diaphania indica Saunders, Diaphania nitidalis, oriental tobacco budworms and the like. The controlling efficiency of the imidacloprid composition is higher than that of the compound (A) or the compound (B).

The invention relates to a dinotefuran and chlorpyrifos compound pesticide. The pesticide comprises effective active ingredients, auxiliary agents and fillers and is characterized in that: the effective active ingredients are the dinotefuran and the chlorpyrifos, and the ratio of the dinotefuran to the chlorpyrifos is 1-60:1-80. The invention has the advantages that: the pesticide has the effects of obviously improving efficiency and continuously preventing and controlling insects after the dinotefuran and the chlorpyrifos are compounded, and has higher activity on tryporyza incertulas and chilo suppressalis of paddy, cnaphalocrocis medinalis, plutella xylostella of cruciferous vegetables, spodoptera exigua, prodenia litura and aphid and the insect spectrums of the pesticide are expanded.

The invention relates to an improved biological insecticide and a preparation process thereof. The recombinant spodoptera exigua nucleopolyhrdrovirus preparation comprises the following components in percentage by weight: 1-10 percent of mixed nucleopolyhrdrovirus suspension, 74-94.5 percent of carrier, 1-4 percent of dispersing agent, 1-4 percent of wetting agent, 0.5-4 percent of photoprotectant and 1-4 percent of speader, wherein the mixed nucleopolyhrdrovirus suspension comprises 50 billion PIB (Polyhedral Inclusion Body)/g of recombinant spodoptera exigua nucleopolyhrdrovirus suspension and 50 billion PIB/g of wild type spodoptera exigua nucleopolyhrdrovirus suspension which are mixed according to a weight ratio of 3:1. The virus preparation is used for infecting host insects, which not only maintains the characteristic of high disinfestation efficiency of the recombinant viruses, but also can ensure that the dead host infected by the recombinant viruses is liquefied so as to be beneficial to the epidemic spread of the recombinant viruses in the environment, thereby the problem of poor continuous control effect on target pests when the recombinant viruses deleting egt genes are singly used is effectively solved.

The invention provides a taxis pest trapper by utilizing insect taxis. The taxis pest trapper has the advantages of simple trapping method, good trapping effect, and no environmental pollution, and is convenient to use. The taxis pest trapper is characterized by comprising a shell and a bracket, wherein a plurality of insect inlets are formed on the wall of the shell; a vessel filled with a liquid trapping agent is arranged in the shell, wherein the liquid trapping agent is volatile; an impeller is arranged in the shell, so that the liquid trapping agent is circulated inside the shell; a windmill is arranged outside the shell, used for driving the impeller to rotate, and is higher than the top of the shell; the impeller and the windmill are connected by virtue of a speed reducing device; and a drainage hole is formed at the bottom of the shell. The taxis pest trapper sufficiently utilizes insect taxis and flaying characteristics, and the trapping method is simple, can be applied either to monitor and prevention, or pest monitor of spodoptera exigua huber, prodenia litura fabr, plutella xylostella and other pests. The invention has the advantages of wide application range, good effect, no environmental pollution and wide application prospect.

The invention discloses a type-B organic biological medical fertilizer, which is characterized in that: components of the fertilizer are biological and plant components which are harmless to human beings and the environment; meanwhile, the organic biological medical fertilizer has dual effects of a fertilizer and disinfecting. The growth of plants is promoted, the agricultural ecological environment is maintained, and harm chemical pesticides and chemical fertilizers can be replaced. The medical fertilizer provided by the invention has special disinfecting and disease preventing functions, and has the comprehensive functions of promoting plant growth, protecting flowers, protecting fruits, increasing yield and improving quality. The type-B organic biological medical fertilizer is suitable for crops including paddy rice, wheat, cotton, rape, soya beans, peanuts, corn, bast fiber plants, watermelons, fruit trees, tea, medicinal materials, pasture, nursery stocks and the like, and plays a role in increasing yield. The type-B organic biological medical fertilizer has extremely high sensitivity to pests such as lepidoptera, orthoptera, diptera, coleoptera, thrips, hymenoptera, acarina and the like including prodenia litura, spodoptera exigua, cabbage caterpillars, aphids, walnuts bud maggots, locusts and the like.

The invention relates to an auxiliary device for larva pupation of two kinds of leaf roller pests including cnaphalocrocis medinalis and marsamia exigua in rice production, a using method and a pupa collecting method. Polyethylene film is taken as a material, the whole film is adopted or cut into small pieces to be kneaded into balls, and then the balls are unfolded to be placed in a larva culture box containing high-instar larvae of the cnaphalocrocis medinalis or the marsamia exigua in a scattered covering mode; the polyethylene film pieces serve as rolled leaves, and the high-instar larvae pupate in the polyethylene film pieces; when pupae are collected, the pupated pupae are picked out, the pupae are flicked out to be put into a pupa box, and the pupae also can be directly put into the pupa box without being flicked for eclosion. According to the method, the pupation rate is high, the visibility is high, the pupation process is conveniently observed, the pupae are conveniently collected, and the method can be used for auxiliary pupation and collection of the cnaphalocrocis medinalis and marsamia exigua larvae.

The invention relates to ether compounds with nitrogen-containing 5-member heterocycle, represented by formula (I):

The groups are as defined as specification.

The compounds of the present invention have broad-spectrum insecticidal activities, and they are very effective to lepidopterous pests, including Ostrinia nubilalis, sugarcane borer, summer fruit tortrix moth, Grapholitha inopinata, Lymantria dispar, Cnaphalocrocis medialis, Pyrausta nubilalis, Heliothis assulta, Grapholitha molesta, Plutella xylostella, Laphygma exigua, Prodenialitura and the like, especially more effective to Plutella xylostella and Laphygma exigua, and can have very good effects at very low doses. And the compounds of present invention have high activities to homopteran pests such as aphid. At the same time, some compounds of present invention have very good fungicidal activities, and can be used for preventing wheat powdery mildew, cucumber downy mildew, vegetable grey mould and the like.

The invention relates to the field of insecticides, particularly to a medicinal plant insecticide and a preparation method thereof. The medicinal plant insecticide is prepared from, by weight part, 15-35 parts of tobacco extract, 10-30 parts of ginkgo leaf extract, 8-25 parts of sophora root extract, 8-25 parts of derris trifoliata extract, 30-35 parts of ternate pinellia extract, 0.5-1 part of emulsifier, 0.5-1 part of penetrant and 0.5-1 part of stabilizer. By taking tobacco, ginkgo leaves, sophora root, derris trifoliata and ternate pinellia as the principal raw materials and processing different raw materials, the prepared medicinal plant insecticide can achieve significant killing effects of higher than 80% on plutella xylostella, helicoverpa armigera, aphidoidea and spodoptera exigua.

Disclosed is a composite Fipronil insecticide, which comprises 0.5-15 wt% of Fipronil, 0.1-10% of methylamino avermectin benzoate, and auxiliary agent. the insecticide can be prepared into missible oil, or wet powder, or suspending agent, or microemulsion. The insecticide can be used for controlling rice borer, Laodelphax srtiatellus, diamondback moth, Laphygma exigua Hubner, Heliothis assulta, and cotton worm.

The invention discloses an insecticidal composite containing novaluron and metaflumizone. The weight ratio of novaluron to metaflumizone in the composite is (1-80):(1-80). The composite can be used for preventing and controlling various pests, has obvious synergy, expands an insecticidal spectrum, and has higher activity on rice planthopper, rice Chilo supperssalis, rice Tryporyza incertulas, Cnaphalocrocis medinalis, Spodoptera exigua, plutella xylostella, Carposina niponensis Walsingham, Lithocolletis ringoniella and the like; pesticide dosage is reduced, the residual quantity of pesticide on crops is lowered, and environmental pollution is lightened; the insecticidal composite is safe to people and livestocks and has good environmental compatibility; and pests hardly generate resistance to the composite.