51results about How to "Broad spectrum of action" patented technology

The invention discloses streptomyces albidoflavus strain and an application thereof to control cucumber downy mildew, and belongs to the field of biological control on plant diseases. The bacterial strain is streptomyces albidoflavus ACT033, and the preservation number is CGMCC No. 8125. The invention also discloses a biological control preparation which is prepared by employing the new streptomyces albidoflavus strain ACT033 and is capable of effectively controlling cucumber downy mildew and a preparation method of the preparation. Experiments show that the streptomyces albidoflavus strain ACT033 of the invention has the characteristics of fast growth speed, large sporulation quantity, broad-spectrum effect, strong stress resistance and the like, and can be fast colonized in quantity at the plant roots, so good application prospect is achieved. The biological control preparation prepared from the streptomyces albidoflavus strain ACT033 not only can control cucumber downy mildew, but also can effectively increase crop output.

The invention discloses bacillus subtilis and an application thereof, and relates to the field of biological preventing and treating plant diseases. The bacterial strain is bacillus subtilis (Bacillussubtilis) Yt1004, and the preservation number is CGMCC No.14672. The invention further discloses a biological preventing and treating preparation containing the bacterial strain and a preparation method of the biological preventing and treating preparation. The microbiological preparation can be used for preventing and treating root-knot nematode diseases including one or more of root-knot nematode diseases of cucumbers, root-knot nematode diseases of tomatoes, root-knot nematode diseases of ginger, root-knot nematode diseases of muskmelons and the like of crops as a biological pesticide or abiological fertilizer. The bacillus subtilis bacterial strain Yt1004 has the characteristics that the bacillus subtilis bacterial strain Yt1004 has long diameter, resists hypoxia, is broad in actionspectrum and high in adaptability, and the bacillus subtilis bacterial strain Yt1004 can rapidly grow and propagate under low nutrients, so that the bacillus subtilis has favorable application prospect. The biological preventing and treating preparation prepared from the bacterial strain can not only effectively prevent and treat root-knot nematode diseases of plants, but also effectively increasethe crop yield, so that the biological preventing and treating preparation has good application prospects.

An insecticide for cherry planting comprises the technical key points that the insecticide is composed of the following components in parts by weight: 50-60 parts of gentiana scabra bge, 20-30 parts of rhizoma coptidis, 8-10 parts of radix euphorbiae lantu, 10-12 parts of herba ephedra, 50-70 parts of radix arnebiae seu lithospermi, 40-50 parts of tripterygium wilfordii, 20-30 parts of rhizoma rehmanniae, 30-40 parts of cordate houttuynia, 20-40 parts of fructus xanthii, 10-20 parts of a cortex meliae extract, 50-80 parts of angulatine, 15-25 parts of nicoteine, 10-15 parts of brucine, 10-15 parts of rotenone, 5-10 parts of soapberry fruit, and 500-700 parts of water. The insecticide has the advantages of no toxicity, no residue, simple production method, low preparation cost, convenience for use and the like.

The invention discloses a Trichoderma viride strain and application thereof. The Trichoderma viride stain is WLTR35, and the collection number is CGMCC No.6673. The invention also discloses application of the strain or biological control preparation comprising the strain in controlling plant soil-borne disease. The experiment indicates that the Trichoderma viride strain WLTR35 has the characteristics of fast growth, large spore production quantity, wide action spectrum and the like, can quickly and massively implement colonization, and therefore, has wide application prospects. The biological control preparation prepared from the Trichoderma viride WLTR35 can efficiently control the plant soil-borne disease and effectively enhance the crop yield.

The invention discloses a bacillus safensis strain ZDC-02, and belongs to the technical field of biological control of plant diseases, wherein the strain is preserved in China General Microbiological Culture Collection Center with preservation number of CGMCC No.12217. Experiments indicate that the bacillus safensis strain ZDC-02 has the characteristics of being rapid in growth speed, broad in action spectrum, strong in stress resistance, capable of achieving rapid mass colonization on plant bodies and the like; therefore, the strain has a good application prospect. A bio-control preparation, as a bio-control preparation which has a quite broad application prospect and is prepared from the bacillus safensis, not only can effectively prevent and control various plant diseases but also can effectively improve a crop yield.

The invention relates to a film-forming agent capable of preventing cow mastitis, comprising by weight, 0.6 o 1.2 parts of povidone iodine, 1 to 2 parts of tween 80, 0.2 to 0.6 part of glycerine, 8 to 12 parts of PVA (polyvinyl acetate), and 100 parts of distilled water. The invention further relates to a preparation method of the film-forming agent. The preparation method includes the steps of sterilizing with distilled water, temperature adjusting, adding of the povidone iodine, glycerine, tween 80 and PVA, pH adjusting and the like. The components and production process are further simplified, thus the film forming speed is high and breathability is good, the film-forming agent is nonirritating to skin mucosa. Especially, the film-forming agent and the preparation method thereof have the advantages such as high antibacterial activity, short film-forming time, easiness of eluting or stripping, agent stability, convenience of use and the like.

The invention discloses a method for improving the continuous cropping soil of panax notoginseng, which comprises the following steps: (1) installing a drip irrigation device; (2) fumigating and disinfecting soil with dazomet; (3) disinfecting soil with chlorine dioxide; and (4) adding a compound microbial fertilizer. As a fumigant for the continuous cropping soil of panax notoginseng, dazomet cankill fungi, bacteria, insects and other organisms in the soil and is low-toxicity and safe. Chlorine dioxide can kill bacterial propagules, bacterial spores, fungi, mycobacteria and viruses, and bacteria will not develop resistance to chlorine dioxide. The compound microbial fertilizer can improve the yield of panax notoginseng, improve the quality of panax notoginseng, reduce the use of chemicalfertilizer, lower the cost, improve the soil and protect the ecological environment. By using the method, the seedling emergence rate of panax notoginseng seeds in the continuous cropping soil can bemore than 95%, the seedling survival rate can be more than 90%, and the disease incidence can be reduced.

The invention relates to an herbicide as well as a preparation method and a use method thereof. The herbicide comprises the following effective components: mineral oil and organic acid, wherein the mass proportion of the mineral oil to the organic acid is 4:24. The herbicide provided by the invention can achieve ideal prevention and treatment effects on broadleaf weeds, grasses and other target weeds; as no residue exists in soil and crops, the herbicide is suitable for organic production and planting. The herbicide provided by the invention has the biggest advantage of being suitable for organic production and cannot bring along a negative effect on environment and agricultural products; meanwhile, the investment of manpower and material resources in the organic production is reduced, so that the production cost is greatly reduced.

The invention provides an oil-control anti-inflammatory plant combined extract. The plant combined extract is prepared from the following raw materials in parts by mass: 15-45 parts of olive leaves, 15-45 parts of swertia pseudochinensis, 15-45 parts of ligustrum lucidum fruits, 4-25 parts of coptis chinensis, 4-25 parts of angelica sinensis and 4-25 parts of liquorice. The invention further provides a preparation method and application of the plant combined extract. According to the plant combined extract, component raw materials of specific types and dosage ratios are mixed and extracted, and when the obtained product is applied to skin care products, the instant oil control effect and the long-acting oil control effect are obviously improved, oil control takes effect quickly and is notprone to relapse, and compared with common oil control plant extracts, the plant combined extract has the remarkable oil control advantage; moreover, I-type 5 alpha-reductase and II-type 5 alpha-reductase can be effectively inhibited, IL-1beta, TNF-alpha and COX-2 inflammatory factors which are over-expressed due to breeding of anaerobic bacteria acnes in skin hair follicles are inhibited, and theeffect of treating both symptoms and root causes is achieved.

A process for extracting the active insecticiding component and curcas terpinol from the curcas seeds features that they are extracted in absolute alcohol under a certain temp condition. Said active insecticiding component can be used to prevent and eliminate the radish aphis and cabbage caterpillar without environmental pollution.

The invention relates to the technical field of fruit tree planting, in particular to a planting method of longan trees. The planting method includes the following steps of land selection, soil preparation, soil fumigation, ditching, pit digging, sapling transplanting, herbicide spraying, field management and the like. A soil fumigant is mainly prepared from, by weight, 15-17 parts of oleander, 13-15 parts of gelsemium elegan, 15-20 parts of horseradish, 10-15 parts of nitrochloroform, 10-15 parts of dazomet and 10-11 parts of formaldehyde; a herbicide is mainly prepared from, by weight, 10-12parts of thorn apples, 5-7 parts of castor-oil plants, 7-9 parts of carpesium cernuum, 6-8 parts of kalidium foliatum, 6-8 parts of cephalanoplos setosum, 3-5 parts of collagen and 2-3 parts of prometryn. The planting method of longan trees not only improves the average annual yield, pest and diseasedamage is also greatly reduced, the economic benefits of the longan trees are effectively improved, pesticide residues are little and the method is environmentally friendly.

A combination of the following three structures in a single molecule imparts a surprisingly broad range of beneficial effects in promoting and maintaining health. First, a strongly hydrophilic moiety, either a cation or anion or a polyhydroxyl group, with two or preferably three or more hydroxyl groups. Second, a lipophilic group, such as an alkyl chain of at least 8 carbons, and preferentially more, up to 18 or even 30-odd atoms in the chain. And third, a covalently reactive group, preferably with a strong tendency for binding to biosurfaces and biomolecules such as proteins, cell membranes, and/or nucleic acids, such as an epoxide, an acid anhydride, isocyanate or other reactive group(s) as herein defined.

The invention relates to a pesticide and a preparation method thereof. According to the pesticide, cucurbit leaves, apricot leaves, halogeton arachnoideus and garlic root hairs are adopted as raw materials and subjected to proper weight ratio, thus the pest-killing functional components of all the raw materials interact and are synergistically enhanced, the pesticide has the significant killing effect on crop pests and has the broad-spectrum effect. According to the preparation method of the pesticide, by optimizing the preparation process, the extracting efficiency is significantly improved,and active components are better reserved. In addition, the pesticide is extracted from natural plants, environmental protection is achieved, the toxic and side effects on the human body are avoided,using is safer, and the preparation method is simple, the cost is low, and the pesticide is suitable for industrial production.

The invention provides an Alternaria tenuissima SDTF016, a fermentation condition and an extraction and separation method of a metabolite Taishan mycin of the Alternaria tenuissima SDTF016 are obtained. The fermentation liquor and metabolite Taishan mycin both promote plant growth, effectively prevent and control virus diseases on crops such as tomatoes, tobaccos, peppers and potatoes, improve the stress resistance and disease resistance of plants and improve the yield and quality. The fermentation liquor of the Alternaria tenuissima and the extract thereof can be diluted by adding water and then used for seed dressing, seed soaking, root irrigation, spraying, mist spraying and drip irrigation, which have high biological activity and broad-spectrum action, have multiple effects of improving the control effect, reducing the pesticide dosage and improving the yield and quality of agricultural products when being mixed with pesticides, and are environment-friendly. The fermentation liquor of the Alternaria tenuissima Taishan variant metabolite and Taishan mycin can be widely applied to the field of agricultural production and have remarkable economic, social and ecological benefits.