46 results about "Propamidine" patented technology

The invention discloses a bactericidal composition of propamidine and fluazinam. The bactericidal composition comprises commonly used auxiliary agents, propamidine and fluazinam. Mass part ratio of propamidine and fluazinam in the composition is 5:1-1:45, and preferably 3:1-1:25. When propamidine and fluazinam are compounded, a substantial synergetic effect is provided. Effective component dose of the compounded agent is substantially reduced than that of separate use. The composition provided by the invention is suitable to be used against crop gray mold caused by botrytis pathogen and crop stalk break casued by sclerotinia pathogen.

The invention discloses sterilization composition containing cyprokonazol and propamidine. The sterilization composition containing cyprokonazol and propamidine takes cyprokonazol and propamidine as the effective components, the weight ratio of the cyprokonazol and propamidine is 20: 1 to 1: 50; the weight percentage of the effective components of the sterilization composition is 10-80%, the dosage form of the sterilization composition is one of missible oil or wettable powder or suspending agent or microemulsion or emulsion in water or wettable dispensible granule; the sterilization composition containing cyprokonazol and propamidine has characteristics of being wide in bacteriocidal spectrum, high in effect, low in toxicity, low in residue and obvious in synergistic effect; the use cost is reduced, the sterilization composition is especially useful for production of green food, the preventing effect of the composition is obviously better than the preventing effect of each of cyprokonazol and propamidine, and applied dosage of various bioactive substances can be reduced.

The invention discloses a sterilizing composition containing boscalid and propamidine. Boscalid and propamidine are active components, and the weight ratio of boscalid to propamidine is 1:1-50:1, and preferably is 5:1-25:1. The active components in the sterilizing composition account for 4%-60% in percent by weight. The dosage form of the sterilizing composition can be missible oil, wettable pulvis, suspending agents, micron emulsions, emulsions in water or water-dispersible granules. The sterilizing composition containing boscalid and propamidine has the characteristics of wide sterilization spectrum, high efficiency, low toxicity, low residue, substantial synergy effect and the like, and is especially beneficial for production of green foodstuffs. The composition is substantially higher in prevention effect than boscalid or propamidine which is used independently, and is capable of reducing application amount of various biologically-active substances, so that the use cost is reduced.

The present invention discloses one kind of germicide composition containing propamidine and thiophanate-methyl and its application. The composition contains propamidine and thiophanate-methyl in the weight ratio of 5-30 to 1-60. The composition may be used in preventing and controlling diseases of grain crop, melons, fruits and vegetable, and has wide application range, low cost and high plant disease preventing and controlling effect.

The invention relates to a bactericidal composition having a synergistic effect. The active ingredients of the bactericidal composition comprise propamidine and pyrimorph in a weight ratio of 1-60:80-1; and wettable powder, water dispersion and suspension can be prepared by adding an assistant and an excipient into the active ingredients. The bactericidal composition can effectively preventing and controlling gray mold, downy mildew, epidemic disease and the like in fruits and vegetables.

The invention discloses a pesticide composition with active ingredients being azoxystrobin and propamidine. The pesticide composition contains a commonly-used auxiliary agent, azoxystrobin and propamidine. Weight ratio of azoxystrobin to propamidine is 25:1-1:7. The total weight of azoxystrobin and propamidine in the pesticide composition is 1-85 wt%. After azoxystrobin and propamidine are compounded, the pesticide composition has an obvious synergistic effect, and dosage of the active ingredients of the compounded medicine is obviously reduced in comparison with dosage of each active ingredient which is used separately. The pesticide composition is applicable to control crop diseases caused by pathogenic fungi, especially crops' gray mold caused by Botrytis pathogen and crops' epidemic disease caused by Phytophthora pathogen.

The invention provides a composition for preventing and treating asparagus stem blight and a fungicide and belongs to the technical field of prevention and treatment of asparagus blight. The composition comprises difenoconazole and propamidine which are in the weight ratio of (20: 1) to (1: 20). The fungicide provided by the invention comprises the difenoconazole, the propamidine and auxiliaries,wherein the difenoconazole and the propamidine account for 3% to 90% (mass percent) the total amount of the fungicide. According to the composition and the fungicide, the difenoconazole and the propamidine serve as effective ingredients, have a synergistic effect on pathogenic bacteria of the asparagus stem blight in case of mixed use and particularly have an obvious synergistic effect on the asparagus stem blight in a proportion range of (20: 1) to (1: 20). According to the composition and the fungicide, through certain technological means, the fungicide can be prepared through being endowedwith an agricultural common dosage form and can provide an effective management tool for prevention and control on the asparagus stem blight.

The invention discloses a propamidine water dispersible granule (WDG) and a preparation method thereof. Prepared propamidine water dispersible granules comprise the following raw materials in percentage by weight: 85-90 percent of propamidine, 2.5-5 percent of dispersant, 2.5-5 percent of humectant and 2.5-5 percent of disintegrating agent, and the total percentage of the raw materials is 100. The preparation method comprises the steps as follows: the raw materials in a formula, including the propamidine, the humectant, the dispersant and the disintegrating agent, are uniformly mixed, crushed by an airflow crushing machine, and made into ultra-fine wettable powder, then the ultra-fine wettable powder is added with a certain amount of water, and made into granules via an extrusion type granulator, the granules are dried by an airflow drier, and screened and separated, as a result, the water dispersible granules are obtained. According to the invention, the cost of package and transport can be effectively reduced, the storage stability and the shelf life of the WDG are increased, the safety and the performance of environmental protection in links about the production and the utilization of the propamidine WDG are also improved, and the plant botrytis cinerea pathogenic bacterium can be very efficiently prevented and treated.

The invention discloses a pesticide composition containing the active ingredient of propamidine and tetracycline, which includes the conventional adjuvant, propamidine and tetracycline, wherein the mass fraction ratio of propamidine to tetracycline is 20: 1 to 1: 20, preferably 15: 1 to 1:10. Propamidine and tetracycline after being compounded have significant synergistic effect. The amount of active ingredients of the composition is significantly less than that in use alone, and the composition is suitable for the prevention and control of grey mould of crop caused by botrytis pathogen and crop sclerotia caused by sclerotinia pathogen.

The invention discloses a pesticide composition with active ingredients being pyraclostrobin and propamidine. The pesticide composition contains a commonly-used auxiliary agent, pyraclostrobin and propamidine. Weight ratio of pyraclostrobin to propamidine is 20:1-1:20. The total weight of pyraclostrobin and propamidine in the pesticide composition is 3-90 wt%. After pyraclostrobin and propamidine are compounded, the pesticide composition has an obvious synergistic effect, and dosage of the active ingredients of the compounded medicine is obviously reduced in comparison with dosage of each active ingredient which is used separately. The pesticide composition is applicable to control crop diseases caused by pathogenic fungi, especially crops' gray mold caused by Botrytis pathogen and crops' gibberellic disease caused by Gibberella pathogen.

The invention discloses a fungicide composition containing eugenol and propamidine and an application of the fungicide composition. The fungicide composition comprises a common assistant, eugenol and propamidine at the ratio in parts by weight of (9 to 1) to (1 to 20); the weight percent of the sum of the eugenol and the propamidine in the composition is 3%-90%; the fungicide composition disclosed by the invention is suitable for preventing and treating crop diseases caused by fungal pathogens, especially crop gray mold caused by botrytis pathogens, as well as banded sclerotial blight, root rot, damping-off and the like of crops caused by rhizoctonia pathogens. The prevention and treatment effect of the composition disclosed by the invention has more obvious synergistic effect than that of a single dose; the dosage of the pesticide is reduced; the medication cost is reduced; the service life of the pesticide is prolonged; and adverse effects on the ecological environment caused by the pesticide are reduced.

The invention discloses a sterilization composition used for preventing and controlling watermelon anthracnose. The composition comprises plant tissue extract A and propamidine, and a mass part ratio of the plant tissue extract A to the propamidine is 1:(1-6). The plant tissue extract A is extracted from garlic bulbs, iris rhizomes, Hibiscus syriacus L. leaves and a thyme whole herb mixture, and the plant tissue extract A and the propamidine are mixed to realize synergistic effects on Colletotrichum gloeosporioides. The composition is suitable for preventing the watermelon anthracnose .

The invention relates to a slow-release granule containing an insecticide and a bactericide, the slow-release granule comprises the following raw materials in parts by weight: 1-10 parts of sophocarpidine, 0.5 to 8 parts of monosultap, 0.5 to 8 parts of thiacloprid, 0.5 to 5 parts of clothianidin, 0.5 to 5 parts of azoxystrobin, 0.5-5 parts of propamidine, 1-3 parts of polyglutamic acid, 0.5-2 parts of amino-oligosaccharin, 0.5-2 parts of tetramethyl glutaric acid, 3-5 parts of konjac glucomannan, 5-15 parts of polyethylene glycol and 80-90 parts of attapulgite. The number of times of sprayingof the pesticide on leaf surfaces can be basically eliminated and reduced by single use of the slow-release granule or mixed use of the slow-release granule with a fertilizer, and the slow-release granule has a very good prevention and control effect on lepidoptera pest larvae, coleopteran and diptera piercing-sucking type pest aphids particularly frequently occurring in melons and fruits and vegetables, and planthoppers, woodlice, thrips, leaf hoppers and pests capable of propagating viruses and germs, and has a remarkable prevention and control effect on virus diseases which generally occurin melon vegetables and Citrus Huanglongbing.

The invention discloses a sterilization compound containing propamidine. The sterilization compound containing the propamidine is prepared from an active component adepidyn and the propamidine, wherein a mass part ratio of the adepidyn to the propamidine is (20 to 1) to (1 to 2), an optimized ratio is (10 to 1) to 1, a further optimized ratio is (5 to 3) to 1, a mass percentage content, of the adepidyn and the propamidine, in the compound is 0.1%-60%, and the rest is an auxiliary. After the adepidyn and the propamidine are compounded according to a certain ratio, synergism is conducted on pathogen fungi, so that the sterilization compound containing the propamidine is suitable for controlling crop diseases caused by the fungi.

The invention discloses a fungicidal composition containing difenodiazole and its application in the preparation of medicines for preventing and treating common fungal diseases of turfgrass. The fungicidal composition contains difenodiazole, propaneamidine and lentinan. The fungicidal composition has a good control effect on common turfgrass diseases, and the components can cooperate with each other to significantly enhance the control effect, and the components have little harm to human health and are environmentally friendly.

The invention discloses a sterilization composition containing effective components of propamidine and triforine. The sterilization composition is prepared from a commonly used assistant, the propamidine and the triforine, wherein a mass part ratio of the propamidine to the triforine is (5:1) to (1:5) and preferably is (3:1) to (1:3). The propamidine and the triforine have a synergistic effect onindoor activity of pathogen fungus and increment of a root system of capsella bursa-pastoris after compounding the propamidine and the triforine in a certain proportion, and the sterilization composition is suitable for preventing and treating crop diseases caused by the pathogen fungus and enhancing the root system of the capsella bursa-pastoris. The sterilization composition can also contain theassistant, the weight of active components is 0.1 to 40 percent of the total weight of the sterilization composition, and the balance is a pesticide assistant.

The invention provides a compound composition of propamidine and hinokitiol, a bactericide and application. The mass ratio of propamidine to hinokitiol is (1-8): (2-1). The propamidine and the natural product hinokitiol are compounded, so that not only can the sclerotinia rot of colza and the gray mold of fruits and vegetables be prevented and treated, but also the composition can be used for treating the sclerotinia rot of colza and the gray mold of fruits and vegetables which have drug resistance to benzimidazole and dicarboximide bactericides. The binary compound agent is used for preventing and treating drug-resistant sclerotinia rot of colza and gray mold of fruits and vegetables, the synergistic effect is obvious, the dosage of the agent can be obviously reduced, and the compound agent is expected to be developed into a new generation of green agricultural bactericide.