33 results about "Maize dwarf mosaic virus" patented technology

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 a pesticide composition, and effective components of the composition comprise oligosaccharins and ethylicin. The mass percentage between oligosaccharins and ethylicin is 1:80-80:1, and the content of oligosaccharins and ethylicin in the compound preparation is 1-80%. A method widely-known by technical personnel in the field is employed in order to prepare suspending agent, wettable powder, water dispersible granule, emulsion in water, micron emulsion and other dosage forms. The pesticide composition can be used for controlling a plurality of virus diseases of a plurality of crops, such as tobacco mosaic virus disease, cucumber mosaic virus disease, maize dwarf mosaic virus disease, rice stripe disease, rice dwarf virus disease, and the like.

Anti-plant virus agent of ferulic acid, its derivatives, and the use thereof are provided. The structure of the ferulic acid is showed as formula (I). As a new anti-plant virus agent, the ferulic acid and its derivatives can well inhibit tobacco mosaic virus, pepper virus, tomato virus, sweet potato virus, potato virus, melon virus and maize dwarf mosaic virus and so on, and can effectively control viral diseases of many kinds of crops like tobacco, pepper, tomato, melon, foodstuff, vegetable, bean, etc., especially tobacco mosaic disease.

The invention relates to applications of alkaloid essramycin and a derivative thereof in resisting of plant viruses, wherein the chemical structural formula of the alkaloid essramycin is represented in the specification, specifically the alkaloid essramycin and the derivative thereof are used as anti-plant virus agents, and the anti-plant virus agents are used for tobacco mosaic viruses, Capsicummottle viruses, rice viruses, tomato viruses, sweet potato viruses, potato viruses, melon viruses and maize dwarf mosaic viruses.

The application of pityriacitrin alkaloids and derivatives thereof in anti-plant viruses and germs of the present invention relates to the biocides of pityriacitrin alkaloids and derivatives thereof containing 1-acyl-substituted β-carboline skeletons, specifically twenty kinds of pityriacitrins Alkaloids and derivatives thereof are used as anti-plant virus agents and as phytopathogenic fungicides, said anti-plant virus agents are used for tobacco mosaic virus, pepper virus, rice virus, tomato virus, sweet potato virus, potato virus Virus, melon virus and corn dwarf mosaic virus; described as phytopathogenic fungicide is used to suppress cucumber withering, rice blast, peanut brown spot, apple ring pattern, wheat sheath withered, corn small spot, watermelon anthracnose , Bakanae of rice, tomato early blight, wheat gibberella, potato late blight, capsicum phytophthora, rape sclerotia, cucumber gray mold, rice sheath blight and other 15 kinds of plant pathogens.

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 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 discloses application of a pityriacitrin alkaloid and a derivative thereof in resisting plant viruses and pathogenic bacteria, and relates to a biocide of the pityriacitrin alkaloid containing a 1-acyl substituted beta-carboline skeleton and the derivative thereof, in particular to twenty pityriacitrin alkaloids and derivatives thereof which are used as a plant virus resisting agent and a plant pathogenic fungus killing agent, the application as the plant virus resisting agent means use for tobacco mosaic virus, pepper virus, rice virus, tomato virus, sweet potato virus, potato virus, melon virus and maize dwarf mosaic virus, and the application as the plant pathogenic fungus killing agent means use for inhibiting 15 plant pathogenic bacteria such as cucumber fusarium wilt, rice blast, peanut brown spot, apple ring rot, wheat sheath blight, corn Bipolaris maydis, watermelon anthracnose, rice malignant seedling, tomato early blight, wheat gibberella, potato late blight, phytophthora capsici, sclerotium of rape, cucumber botrytis cinerea and rice sheath blight.

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 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.