33 results about "Maize dwarf mosaic virus" patented technology

The invention relates to a ferulic acid shown in a general formula (I) and the application of derivatives thereof to pesticides. When used as novel anti-phytoviral agents, the derivatives can well inhibit tobacco mosaic viruses, pepper viruses, tomato viruses, sweet potato viruses, potato viruses, melon viruses, maize dwarf mosaic viruses and the like, and effectively prevent and control the virus diseases of various crops such as tobacco, peppers, tomatoes, melons, grains, vegetables, beans and the like, and are particularly suitable for preventing and controlling tobacco mosaic. Meanings of each group are shown in specifications.

The invention relates to an application of 3-aryl acrylic acid represented by a general formula (I) and a derivative thereof in pesticides, wherein the 3-aryl acrylic acid and the derivative thereof can be adopted as novel anti-plant virus agents, can be provided for well inhibiting tobacco mosaic virus, pepper virus, tomato virus, sweet potato virus, potato virus, melon virus, maize dwarf mosaic virus and the like, and can be provided for effectively preventing and controlling virus diseases of a plurality of crops such as tobacco, pepper, tomato, melon vegetables, grains, vegetables, beans and the like, especially tobacco mosaic diseases. (Wherein Ar and R are defined in an instruction).

Disclosed are phenanthrene-containing heterocyclic compounds shown as general formula (I) and preparation method therefor and application thereof on pesticides. The synthetic method of the compounds is simple and easy to industrialize. The phenanthrene-containing heterocyclic compounds can be used as plant virucides to inhibit tobacco mosaic virus, pepper virus, rice virus, tomato virus, sweet potato virus, potato virus, melon virus, maize dwarf mosaic virus and the like, particularly to inhibit tobacco mosaic virus. R1, R2, R3, X1-X7, m and n in general formula (I) are as defined in description.

The invention discloses a maize breeding method. A BT insecticidal toxic protein gene, a bar gene and maize dwarf mosaic virus coat protein gene MDMVCPDNA are introduced into embryogenic maize calluses through particle bombardment, so that seeds with excellent insect resistance, weed resistance, disease resistance and drought tolerance are obtained; through seed soaking treatment by seed-soaking liquid, germination of seeds is promoted, the respiration rate of seedlings is increased, the root activity of the seedlings is improved, and the resistance of both the seeds and the seedlings is enhanced; through drip irrigation of a drought-resistant nutrient and by using anti-oxidation substances of phenolic acids, the number and activity of the protective enzymes in the plants are improved, the content of polyphenol substances is increased, the content of anti-oxidation substances in the crop is increased and the drought resistance of the crop is enhanced; meanwhile, since the content of the anti-oxidation substances in the crop is increased, the disease resistance, UV radiation resistance and the like of the crop are improved; since monopotassium phosphate and nitrogen are added into the phenol substances, nutrient elements supplied to the crop are increased.

The present invention relates to a gossypol aromatic amine Schiff base derivative as shown by general formula (I) and a preparation thereof and a use thereof in pesticides. This type of compound represents a novel and simple type of anti-viral structure. The synthetic method is simple and practical, and is thus easily industrially amplified. The gossypol aromatic amine Schiff base compounds used as a novel plant virus resistant agent can inhibit the following viruses well: tobacco mosaic virus, pepper virus, rice virus, tomato virus, sweet potato virus, potato virus, melon virus and maize dwarf mosaic virus, etc., and can efficiently prevent and treat viral diseases in many crops as follows: tobacco, peppers, rice, tomatoes, sweet potatoes, potatoes, melons and maize, etc., and is especially suitable for preventing and treating the tobacco mosaic disease. (See the description for the meaning of Ar therein).

The invention relates to a pesticide composition which comprises the active ingredients such as aureonucleomycin and xinjunan, wherein the mass ratio of the aureonucleomycin to the xinjunan is (1-80):(80-1), and the content of the aureonucleomycin and xinjunan in the compound preparation is 1-80%. The pesticide composition can be prepared into such dosage forms as suspending agents, wettable powder, water dispersible granules, emulsion in water, microemulsion and the like by the method known by technicians in the field. The pesticide composition can be used for controlling various virus diseases of crops, such as tobacco mosaic virus diseases, cucumber mosaic virus diseases, maize dwarf mosaic virus diseases, rice stripe diseases, rice dwarf diseases and the like.

The invention relates to a pesticide composition whose effective components are Cytosinpeptidemycin and Xinjunan. A weight ratio of the Cytosinpeptidemycin and the Xinjunan is 1-80:80-1, and content of the Cytosinpeptidemycin and the Xinjunan in a compound preparation is 1-80%. By employing methods widely known by those skilled in the art, the pesticide composition can be prepared in various formulations such as suspending agent, wettability pulvis, water dispersion granule, emulsion in water, micron emulsion and the like. The pesticide composition in the invention can be used for controlling a plurality of crop viroses such as tobacco mosaic virus disease, cucumber mosaic virus disease, maize dwarf mosaic virus disease, rice stripe disease, rice dwarf disease and the like.

The invention relates to a bactericidal composition, comprising effective components of polyoxin and Xinjunan in a mass percentage of 1-80:80-1; and the polyoxin and Xinjunan account for 1-80% in a formulation. The bactericidal composition of the invention can be prepared into dosage forms of a suspending agent, a wettable pulvis, a water disperse granule, an emulsion in water and a micron emulsion through methods widely-known by technical personnel in the field. The pesticidal composition of the invention can be used for controlling a plurality of crop virus diseases and bacterial diseases, such as tobacco mosaic virus disease, cucumber mosaic virus disease, maize dwarf mosaic virus disease, stripe disease, paddy rice dwarf disease, and a plurality of fungous diseases, such as powdery mildew and rust disease.

The invention relates to a pesticide composition. An active ingredient of the pesticide composition is one of (A) aureonucleomycin and (B) strobilurin fungicide, wherein the weight percentage ratio of A to B is (1-80): (80-1), and the content of A and B in a complex preparation is 1-80%. The pesticide composition provided by the invention can be prepared into suspending agents, wettable powder, water dispersible granules, emulsion in water, micro-emulsion and other formulations by adopting methods known by technicians in the field. The pesticide composition provided by the invention can be used for controlling viral diseases of a variety of crops, such as the disease caused by tobacco mosaic virus, the disease caused by cucumber mosaic virus, the disease caused by maize dwarf mosaic virus, rice stripe disease, rice dwarf disease and the like.

The invention relates to a pesticide composition, its effective component is polyoxin and zinc bacteria amine. The mass percentage of polyoxin and zinc bacteria amine is 1-80: 80-1, and the polyoxin and zinc bacteria amine content in sterilization composition is 1-80%. The pesticide composition employs the widely-known method to prepare the dosage forms such as a suspending agent, wettable powder, water dispersion granule, an emulsion and micron emulsion. The pesticide composition can be used for preventing and treating a plurality of crop diseases, bacterial diseases and a plurality of fungous diseases, such as Tobacco mosaic virus, cucumber mosaic virus, Maize Dwarf Mosaic Virus, rice stripe disease and rice dwarf, and powdery mildew and rust disease.

The invention relates to an N-(1, 2-diphenyl-2-amino)-thiophosphoramide salt compound and application thereof. The structural formula of the compound is shown as the specification (with the definitions of the groups being shown in the specification). The compound provided by the invention is applied to inhibition of tobacco mosaic virus, pepper virus, tomato virus, sweet potato virus, potato virus, cucurbit virus and maize dwarf mosaic virus, can effectively control the virus diseases of tobacco, hot pepper, tomatoes, cucurbites, grains, vegetables, beans and other crops, and is especially suitable for control of tobacco mosaic virus. (structural formula).

The invention relates to an aryl methylamine compound as shown in general formula (I), preparation and application in pesticides. The compound represents a novel and simple antiviral structure type, and the synthetic method is simple, practical, and suitable for industrial amplification. The aryl methylamine compound used as a novel plant virus-resistant agent can well inhibit tobacco mosaic virus, paddy rice virus, capsicum virus, tomato virus, sweet potato virus, potato virus, cucurbit virus and maize dwarf mosaic virus, can effectively control viral diseases of various crops such as tobacco, paddy rice, capsicums, tomatoes, cucurbits and vegetables, grain, vegetables, beans, and the like, and is especially suitable for controlling tobacco mosaic disease. The meanings of Ar, X, R1 and R2 are shown in the description.

The invention discloses a hybridization breeding method for high-yield maize. The method comprises the following steps that good maize varieties are selected as maize male parents and maize female parents to be hybridized, and hybridized combination F1 generation seeds are obtained; under the screening planting condition, the obtained F1 generation seeds are selfed to form a second cycle line group, special plants with screening characteristics are selected from the second cycle line group to be selfed for 10 generations or above, and second female parents with the stable characteristics are obtained; DNA plasmids containing BT insecticidal toxin protein genes, bar genes, maize dwarf mosaic virus coat protein genes DMVCPDNA are introduced into seedling cells or tissue or organs of the second female parents through particle bombardment to be cultured and screened. According to the method, the second female parents of the maize are screened under the low-phosphorus, drought and saline-alkaline conditions, and the seeds which are high in phosphorus absorption effect and have the excellent insect resistance, grass resistance, disease resistance, drought resistance and saline-alkaline resistance are obtained through the synergistic effect of particle bombardment.

The invention relates to a pesticide composition, the effective component of which is one of (A) cytosinpeptidemycin and (B) benzimidazole bactericides, wherein the mass ratio of A to B is 1-80:80-1 and the content of A and B in a compounded preparation is 1-80%. By methods widely-known to technicians in the field, the pesticide composition provided by the invention can be prepared in dosage forms such as a suspending agent, a wettable powder, water dispersible granules, an emulsion in water, a micron emulsion and the like. The pesticide composition provided by the invention can be used for controlling a plurality of crop virus diseases such as tobacco mosaic virus, cucumber mosaic virus, maize dwarf mosaic virus, rice stripe disease, rice dwarf virus and the like.

The present invention discloses an application of an beta-thioxophosphamide-containing amine compound. The compound has a following structure (the meanings of various groups are shown in the specification); According to the application provided by the invention, tobacco mosaic virus, chili virus, tomato virus, sweet potato virus, potato virus, cucurbits virus, and maize dwarf mosaic virus are inhibited, so that virus diseases of various crops such as tobaccos, the chili, the tomatoes, the cucurbites, the grains, the vegetables, the beans and the like can be effectively controlled; and the amine compound is especially suitable for controlling the tobacco mosaic virus disease. FORMULA as shown in the specification.

The invention provides an antiviral composition containing Xinjunan, belonging to the field of pesticides. The antiviral composition comprises the following main active components: Xinjunan and an acylhydrazone-structuring-containing compound A, wherein a weight ratio of the acylhydrazone-structuring-containing compound A to Xinjunan is 1: 40 to 10: 1, and the acylhydrazone-structuring-containingcompound A and Xinjunan account for 1.5 to 60% of the total weight of the composition. A dosage form for the antiviral composition may be a suspending agent, wettable powder, water-dispersible granule, emulsion in water, etc. The antiviral composition of the invention is mainly applied to prevention and treatment of a variety of crop viruses, such as tobacco mosaic virus disease, rice stripe, riceleaf blight, tomato mosaic virus disease and maize dwarf mosaic virus disease.

The invention relates to application of ZmPAO gene in maize dwarf mosaic virus resistance. The ZmPAO gene is overexpressed in maize by means of gene engineering, so that maize dwarf mosaic virus resistance in crops is improved. It is discovered for the first time that SCMV (sugarcane mosaic virus) replication and proliferation levels can be significantly increased by silencing the ZmPAO gene, it is indicated that the maize protein ZmPAO and its encoding gene play an important role in resisting SCMV infections in maize and in proliferation, and the encoding gene is a maize-encoded anti-SCMV antiviral gene applicable to molecular breeding of anti-SCMV maize and other works. Basis is provided for the study on the role of vegetable proteins in viral infections, antiviral breeding of maize and other fields, viral resistance research level for maize is increased for China, and the production safety of Chinese maize is promoted and guaranteed.

The invention relates to a pesticide composition, of which the effective ingredients are aureonucleomycin and ethylicin, wherein the mass percent of aureonucleomycin and ethylicin is 1-80:80-1, and the content of aureonucleomycin and ethylicin is 1-80% in formulation of the preparation. By the method known to those skilled in the art, the pesticide composition can be prepared into suspending agent, wettable powder, water dispersible granules, emulsion in water, microemulsion and the like. The pesticide composition can be applied to prevention and treatment of a plurality of crop viral diseases such as tobacco mosaic virus, cucumber mosaic virus, maize dwarf mosaic virus, rice stripe disease, rice dwarf and the like.

The invention discloses a medicament used for controlling plant virus diseases, which consists of the matters such as propolis, 5-nitroguaiacol sodium, ribavirin, (Alpha-morpholine Alpha-formimino group)-carbamidine, aminophenol, Carbamide, pyridyl-3-formamide, Alpha-sodium naphthalene acetate, organic peptide, VB-family, Cu, Zn, Vc, solvent, etc. The medicament of the invention has triple efficacies: alimentation, conditioning and anti-bacteria, has strong restraining, passivation and curing effects on plant viruses such as maize rough dwarf virus, maize dwarf mosaic virus, maize strip dwarfvirus, cucumber mosaic virus, tobacco spot virus, tobacco necrosis virus, and the like, has high cure rate and has the advantages of organics, no toxicity, no residues and no public harms.