30results about How to "Suppress withering" patented technology

The invention relates to application of tryptanthrin derivatives in treatment of plant viruses and germs. According to the invention, it is found that the tryptanthrin derivatives I-1 to I-22 show good anti-plant virus and germ activity for the first time, and can well inhibit 14 kinds of plant germs such as tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring spot, wheat sheath blight, corn bipolaris maydis, watermelon anthracnose, rice bakanae disease, tomato early blight, wheat gibberellic disease, rice blast, phytophthora capsici, sclerotium of rape, cucumber gray mold and rice sheath blight.

The invention relates to tryptanthrin derivatives I-1 to I-7, and a preparation method thereof and application of the tryptanthrin derivatives I-1 to I-7 in prevention and treatment of plant viruses and pathogenic bacteria. The tryptanthrin derivatives I-1 to I-7 provided by the invention show anti-plant virus activity, can well inhibit tobacco mosaic virus, also show broad-spectrum anti-plant germ activity, and have outstanding inhibitory activity on apple ring spot bacteria.

The invention relates to application of Topsentin alkaloids from I-1 to I-8 in application of resistance to plant viruses and germs. Topsentin alkaloids from I-1 to I-8 show especially excellent anti-plant virus activity and can well inhibit tobacco mosaic viruses (TMV). The compounds also show good anti-plant germ activity. (A structural formula of the compounds is described in the specification).

The invention discloses an indole-based heterocyclic compound as well as a preparation method and application thereof in prevention and treatment of plant diseases. According to the method, indole isreacted with oxalyl chloride to obtain indole oxalyl chloride, then indole oxalyl chloride is reduced by tributylstannane to obtain indole carbonyl acetaldehyde, and finally indole carbonyl acetaldehyde is reacted with a corresponding amino acid under the catalysis of iodine to obtain a compound; or indole hydrazide is reacted with an aldehyde, and oxidizing with iodobenzene acetate is carried outto obtain the compound. The indole heterocyclic compound provided by the invention shows especially excellent plant virus resisting activity, can well inhibit the tobacco mosaic virus, and also showsbroad-spectrum plant pathogenic bacteria resisting activity.

The invention relates to a Kealiinine derivative II, a preparation method thereof and an application of the derivative II in resisting plant viruses and germs. The Kealiinine derivative II shows especially excellent plant virus resisting activity, can well inhibit tobacco mosaic viruses (TMV), and also shows certain plant pathogenic germ resisting activity.

The invention relates to a trifluoromethylthio-containing tryptamine derivative I and a preparation method thereof, and application of the trifluoromethylthio-containing tryptamine derivative I in prevention and treatment of plant viruses and pathogenic bacteria. According to the invention, the trifluoromethylthio-containing tryptamine derivative I shows anti-plant virus activity, wherein the inhibition rate of the derivative containing chlorine atoms in the structure on tobacco mosaic virus (TMV) can reach the level equivalent to that of virazole; and the compound also shows certain anti-plant pathogenic bacterium activity, and has relatively good inhibitory activity on physalospora piricola.

The invention relates to an application of Polycarpine salt in anti-plant viruses and pathogenic bacteria. A meaning of X in the formula is as shown in the specification. The Polycarpine salt in the invention shows particularly excellent anti-plant virus activity, and is capable of well inhibiting tobacco mosaic virus (TMV). The compounds simultaneously show excellent plant pathogenic bacteria resistant activities.

The invention discloses a pest control method for tobacco leaves. The method includes the following steps that 20 ml of efficient cyhalothrin with the concentration being 5% is added into a stirring barrel, 15 kg of water is added, and then an insecticide is obtained; 5-10 g of red Yanwangsu and 5-10 g of white Yanwangsu are added into the stirring barrel, 15 kg of water is then added, and a disease-preventing production promoter is obtained; 30 kg of Hejin power fertilizer is mixed with 50 kg of water, and fertilizer is obtained after uniform stirring; and the insecticide, the disease-preventing production promoter and the fertilizer are added into a water vat according to the ratio of 2: 3: 15 and fully stirred to be evenly mixed, then a floating plate carrying tobacco seedlings is placed in a solution in the vat to be soaked for 2-3s and then taken out, and the soaked tobacco seedlings are transplanted with water, the fertilizer and the pesticide. The pest control method for tobacco leaves has the advantages that the pesticide effect is persistent, and the insecticidal effect is good; and tobacco leaf pests can be effectively prevented and treated, tobacco leaf growth is promoted, the tobacco leaf yield is increased, and the method can be widely applied and popularized.

The invention relates to an application of a Glyantrine family alkaloid derivative in treatment of plant viruses and pathogenic bacteria, and finds that the Glyantrine family alkaloid derivatives I-1-I-16 show very good anti-plant virus and pathogenic bacteria activity for the first time, and can well inhibit tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring spot, wheat sheath blight and corn microblotch, and also can well inhibit the plant viruses and pathogenic bacteria, so that the Glyantrine family alkaloid derivatives I-1-I-16 can be applied to treatment of plant viruses and pathogenic bacteria. And 14 plant germs such as watermelon anthracnose, rice fusarium moniliforme, tomato early blight, wheat gibberellic disease, rice blast, phytophthora capsici, sclerotium of rape, cucumber gray mold and rice sheath blight.

The invention relates to the application of nortopsentin alkaloids and derivatives I thereof to resisting of plant viruses and pathogens and killing of insects. The nortopsentin alkaloids and the derivatives I thereof in the invention show particularly excellent activity against plant viruses, can effectively inhibit tobacco mosaic viruses (TMV), and also present excellent activity against plant pathogens and insecticidal activity. Substituents in a general formula as shown in the specification are defined in the specification.

The invention relates to application of hyrtinadine alkaloids and derivatives I-1 to I-6 thereof in prevention and treatment of plant viruses and pathogenic bacteria. The hyrtinadine alkaloids and thederivatives I-1 to I-6 thereof show especially excellent plant virus resisting activity, can well inhibit tobacco mosaic virus (TMV), and also show good plant pathogenic bacterium resisting activity.

The invention relates to an application of alkaloid streptindole and derivatives thereof in control of plant virus pathogens. It is found that streptindole and derivatives I-1 to I-14 thereof show good anti-plant virus pathogen activity for the first time, and can well inhibit 14 plant germs including tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring spot, wheat sheath blight, corn microblotch, watermelon anthracnose, rice malignant seedling, tomato early blight, wheat gibberellic disease, rice blast, phytophthora capsici, sclerotium of rape, cucumber gray mold and rice sheath blight.

The invention belongs to the technical field of succulent planting, and particularly relates to a preparation method of an anti-withering anti-disease succulent nutritional solution. The preparation method specifically comprises the following steps: (1) weighing raw materials: (2) stir-frying green beans and glutinous rice, taking out the stir-fried green beans and glutinous rice, grinding into powder, mixing and uniformly stirring with water which is half of the weight, heating with slow fire, fermenting, taking out to obtain a fermented bean-rice solution; (3) smashing soybean meal, stir-frying, taking out, uniformly mixing and stirring with smashed fresh cockscomb flowers, processing with steam, taking out, uniformly mixing and stirring with the water which is half of the weight, cooling to the room temperature, fermenting to obtain a fermented soybean meal solution; and (4) uniformly mixing and stirring the fermented soybean meal solution and the fermented bean-rice solution and fermented potato juice, fermenting, taking out, extruding to collect juice, adding citric acid chelating magnesium, borax, houttuynia polysaccharides, isatis root polysaccharide and dandelion polysaccharide, stirring until dissolving to obtain the anti-withering anti-disease succulent nutritional solution. By adopting the anti-withering anti-disease succulent nutritional solution, the disease rate of the pachyphytum can be effectively reduced, the ground fresh weight of the parchyphytum can be increased, and the vigorous and strong growth of the parchyphytum can be promoted.

The invention relates to an alkaloid streptindole derivative, a preparation method thereof, and an application of the alkaloid streptindole derivative in control of plant virus and pathogen diseases. It is found that the streptindole derivatives I-1 to I-19 show good anti-plant virus and pathogen activity for the first time, and can well inhibit 14 plant pathogens including tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring spot, wheat sheath blight, corn microblotch, watermelon anthracnose, fusarium moniliforme, tomato early blight, wheat gibberellic disease, rice blast, phytophthora capsici, sclerotium of rape, cucumber gray mold and rice sheath blight.

The invention belongs to the technical field of orange plantation, and especially relates to a fertilizing method for increasing orange mineral matter content. The method is characterized in that fermentation dregs pulp is respectively applied at roots at a germination period and a full flowering stage, and a nutrient solution is respectively sprayed at blade face at the full flowering stage and ayoung fruit stage; the nutrient solution is prepared by the following raw materials: citric acid chelating magnesium, citric acid chelating zinc, calcium chloride, black fungus polysaccharides, garden burnet polysaccharides, Korean mondshood root polysaccharides, epicatechin, and water. Tree vitality is effectively enhanced, healthy growth of leaves and shoots can be promoted, the method providesnutrition and energy for blossom and yield fruit, and increases the flower and fruit setting rate; the nutrient solution is used for spraying the leaves at the full flowering stage and the young fruit stage, can effectively increase the pollen amount and pollen activity, and inhibits wither and decay of flowers, effectively promotes the formation of orange fruits, increases the orange output, effectively promotes the conversion synthesis and accumulation of mineral matters such as iron, zinc, and selenium of the orange fruits, and can effectively increase the nutrition value and nutrition efficacy of the orange.

The invention relates to application of a luotonin A derivative in treatment of plant viruses and pathogenic bacteria, and finds that the luotonin A derivatives I-1-I-17 show good anti-plant virus and pathogenic bacteria activity for the first time, and can well inhibit tobacco mosaic virus (TMV) and 14 plant pathogens including cucumber fusarium wilt, peanut brown spot, Apple Ring Rot, wheat sheath blight, Corn southern leaf blight, Colletetrichum orbicalare, Fussrium moniliforme, Alternaria solani Sorauer, Wheat Scab, Pyricularia grisea, phytophthora capsici, sclerotinia rot of colza, Borrytis cinerea and Pellicularia sasakii Ito.

The invention relates to liposome gel for operational prognosis scar hypertrophy and a preparation method of the liposome gel and belongs to the technical field of medical care. By utilizing lithospermum with effects of cooling blood and dissipating blood stasis, moistening skin and relieving pain, improving skin blood circulation and promoting transdermal absorption, taking myrrh, frankincense and ligusticum wallichii as auxiliary materials, angelica sinensis and safflower are used for dispelling cold, activating blood and relieving pain, garden balsam stem, radix aconiti kusenzoffii, divaricate saposhnikovia root and Sichuan pepper achieve effects of eliminating wind-cold damp pathogen stagnated in main and collateral channels and relieving pain, borneol has the effect of moistening andprotecting skin, and mineral substances with excellent effects of diminishing inflammation, reducing swelling and permeating are mixed so as to cooperatively accelerate collagen degradation and inhibiting artesunate deposited on an extracellular matrix. The components are prepared into the liposome gel to achieve the effects of promoting protein coagulation in blood and cells, blocking coagulation, wilt and defulvium of lesions caused by abnormal pathways at lesion locations and improving local blood circulation and peripheral termination of nerves. The liposome gel achieves the effects of relieving itching, diminishing inflammation and relieving pain and is capable of inhibiting scar proliferation.

The invention belongs to the technical field of succulent planting, and particularly relates to a preparation method of nutrient soil for improving the growing ability of succulent echeveria laui. Themethod includes the steps that 1, raw materials are weighed; 2, fresh ryegrass, fresh indigowoad leaf, fresh orange peel and grape wine lees are mixed and smashed, subjected to steam treatment, takenout, fermented and taken out, and fermented slurry is obtained; 3, sheep manure and sunflower seed meal are mixed and smashed and then stir-fried at a constant temperature together with river sand, the mixture is taken out, cooled to the room temperature, magnetized and uniformly mixed and stirred with the fermented slurry, the moisture content is regulated to be 67%-71%, the mixture is fermentedand uniformly mixed and stirred with emodin, hordenine, soy isoflavone, Chinese yam polysaccharide, citric acid chelated manganese and activated montmorillonite powder, fermentation is performed, andthe nutrient soil is obtained. The growth and development of plant roots are effectively promoted, leaves can grow to be plump and succulent, the crown breadth is large, leaf senescence and witheringin the growth process can be effectively inhibited, robust growth of succulent echeveria laui is promoted, and the cultivation period is shortened.

The invention relates to application of Kealiinine alkaloids Ia-Ic in prevention and treatment of plant virus and bacterial diseases. The Kealiinine alkaloids Ia to Ic disclosed by the invention showgood plant virus resisting activity, and in particular, the alkaloid Ib shows relatively good tobacco mosaic virus (TMV) resisting activity. Meanwhile, the Kealiinine alkaloids Ia to Ic also show a certain activity of killing plant pathogenic bacteria.

The invention relates to camelinine A derivatives I-1 to I-12, a preparation method thereof and application of the camelinine A derivatives in prevention and treatment of plant virus and pathogenic bacterial diseases. The tryptanthrin derivatives I-1 to I-12 disclosed by the invention show anti-plant virus activity, can well inhibit tobacco mosaic virus; meanwhile, the compounds also show broad-spectrum anti-plant germ activity, and have outstanding inhibitory activity on physalospora piricola.

The invention relates to alkaloid derivatives I-1-I-10 of a Glyantryine family, a preparation method of the alkaloid derivatives I-1-I-10 and application of the alkaloid derivatives I-1-I-10 in prevention and treatment of plant viruses, pathogenic bacteria and diseases. The alkaloid derivatives I-1 to I-10 of the Glyantryine family show anti-plant virus activity, can well inhibit tobacco mosaic virus, and meanwhile, the compounds also show broad-spectrum anti-plant germ activity, and have outstanding inhibitory activity on apple ring spot bacteria.

The invention relates to an application of alkaloid arundine and derivatives thereof in control of plant virus pathogens. It is found that arundine and derivatives I-1 to I-25 thereof show good anti-plant virus pathogen activity for the first time, and can well inhibit 14 plant germs including tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring spot, wheat sheath blight, corn bipolaris maydis, watermelon anthracnose, fusarium moniliforme, tomato early blight, wheat gibberellic disease, rice blast, phytophthora capsici, sclerotium of rape, cucumber gray mold and rice sheath blight.