2690 results about "Powdery mildew" patented technology

Disclosed are a pyrazole amide compound containing diphenyl ether as represented by formula I and/or formula II, application thereof in the prevention and treatment of rice sheath blight and cucumber powdery mildew, and pesticide composition containing the compound. The pyrazole amide compound of the present invention containing diphenyl ether as represented by formula I and/or formula II, and a bactericide containing the pyrazole amide compound as an active ingredient have good prevention and treatment effects on rice sheath blight and cucumber powdery mildew.

The invention discloses a trichoderma viride fungi strain and a method for preparing a bio-control fungicide thereof and application. The strain is named as trichoderma viride strain ZBS6 and collected in the CGMCC, and the collection number is CGMCC No.3538. The microbial fungicide is liquid or solid fungicide, and is prepared from the trichoderma viride ZBS6 strain. The ZBS6 strain and the fungicide thereof have wide bacteriostatic spectrum and good bacteriostatic effect, and have strong inhibiting effect on botrytis cirerea, rhizoctonia solani, rhizocto-nia cerealis, gaeumannomyces grami, marssonina coronaria, fusarium oxysporum and the like; and the fungicide can be used for control of botrytis cirerea, cucumber downy mildew, rhizocto-nia cerealis, wheat soil-borne disease and wheat powdery mildew, is efficient, non-toxic and simple to use, and does not cause environmental pollution.

The invention belongs to the field of plant protection, and in particular relates to an agricultural composition taking oligosaccharide and sulphur as synergistic components and an application of the agricultural composition in prevention and treatment of agricultural pests. The mass part ratio of oligosaccharide to sulphur is 1:(0.1-200) and the mass part ratio of oligosaccharide to sulphur to other pesticide components is 1:(0.1-200):(0.1-100). In the composition, oligosaccharide is pectin oligosaccharide, sodium alginate oligosaccharide or chitosan oligosaccharide. The synergistic composition containing oligosaccharide and sulphur can be processed to particles, suspending agents and the like with other insecticidal and mite-killing components or sterilizing components to realize the synergistic effect of the agricultural composition, and the agricultural composition is used for preventing and treating nematode, red spiders, Phyllocoptruta oleivora Ashmead or powdery mildew of crops.

The invention relates to bacillus amyloliquefaciens which has stronger phosphate solubilizing and plant growth promoting functions and has a better preventing and treating effect on various plant diseases. According to the bacillus amyloliquefaciens JCD-H-12 with the phosphate solubilizing, disease preventing and growth promoting functions, disclosed by the invention, the preservation number is CGMCC NO.11856, the preservation date is December 10, 2015, and multiple effects of solubilizing phosphate, preventing diseases, promoting the growth, increasing the yield and the quality, having a broad bacteriostatic spectrum and the like are obtained; a bacterial strain and inoculant of the bacterial strain are capable of effectively preventing and treating powdery mildew, tobacco black shank, botrytis blight, rice blast, cucumber fusarium wilt, tomato early blight, sweet pepper anthracnose, watermelon sclerotinia sclerotiorum, wheat scab, watermelon fusarium wilt, phytophthora capsici and the like; a broad-spectrum antibacterial effect is obtained, the effect is stable and durable, and the bacillus amyloliquefaciens can be developed into a bacterial fertilizer and microbial pesticide preparation which integrates phosphate solubilizing with disease preventing and treating.

The present invention relates to a composition for preventing at least one plant disease resulted from infection of plant pathogens and a method for preparing the same. Particularly, the composition contains extract of at least one plant selected from the group consisting of Coptis chinensis Franch., Phellodendron genus plant, Sanguinaria canadensis and Chelidonium majus var. asiaticum which are natural plants having anti-plant pathogen activity or berberine which is purified therefrom. The composition of the present invention can be effectively used for preventing disease pathogens such as plant powdery mildew, anthracnose of pepper, damping-off of cucumber and gray mold rot of strawberry resulted from infection of plant pathogens such as Colletrotrichum gloeosporiodes, Pythium ultimum or Botrytis cinerea. For an alternative method for preparing the composition comprising berberine and/or derivatives thereof, the present invention provides various optimal culture condition and two phases cultivation methods using Phellodendron genus plant.

The invention relates to broad-spectrum compound microbial bacteria for preventing and treating vegetable fungal diseases, and belongs to the technical field of agricultural biological prevention and treatment. The broad-spectrum compound microbial bacteria is compounded from four microorganisms, namely bacillus subtilis BSD-2 ((i) Bacillus subtilis), brevibacillus brevis ch2 ((i) Brevibacillus brevis), bacillus amyloliquefaciens Y10 ((i) bacillus amyloliquefaciens) and paenibacillus polymyxa Y89 ((i) Paenibacillus polymyxa) according to a certain ratio. By adopting the compound bacteria, the vegetable fungal diseases of a greenhouse or a large field, for example, botrytis, leaf mold, downy mildew, powdery mildew, blight and the like can be effectively prevented and treated, the field efficacy can be up to over 70%, the yield is increased by 5-20%, and the broad-spectrum compound microbial bacteria are significant in economic, social and ecological benefits, and have broad popularization and application prospects.

The re-compounded germicide composition includes kresoxim-methyl and at least one kind of triazole germicide compound in the weight ratio of 0.025-40. The re-compounded germicide composition includes also functional assistant and diluent, and kresoxim-methyl and triazole germicide compound account for 1-95 wt% of the germicide composition. It may be compounded into oil emulsion, soluble liquid preparation, micro emulsion, water emulsion, grain or other forms. It is used in preventing and controlling diseases, such as grape powdery mildew, wheat rust, potato blight, etc. caused by imperfect fungi, ascomycete, basidiomycete and other fungi. It has synergistic effect, wide antifungal spectrum, less resistance and other positive effect.

The invention discloses a strain of efficient bacillus amyloliquefaciens, and a bacterial agent and application thereof, wherein the Latin name of the bacillus amyloliquefaciens is Bacillus amyloliquefaciens; the strain number is HW05; the accession number of the bacillus amyloliquefaciens in China General Microbiological Culture Collection Center is CGMCC No. 10273. The efficient bacillus amyloliquefaciens provided by the invention has the obvious inhibition effects on fusarium oxysporum, phytophthora capsici, ralstonia solanacearum, pyricularia grisea, colletotrichum gloeosporioides and root-knot nematode. Through the single application of HW05, the efficient prevention and control effects can be achieved on leaf surface disease sweet melon powdery mildew, mango anthracnose diseases andmulberry red rust diseases; the HW05 and paecilomyces lilacinus can be matched for preventing and treating soil-borne banana wilting diseases and banana root-knot nematode diseases, and a good synergyeffect is achieved.

The invention relates to a bactericidal composition containing benziothiazolinone and difenoconazole based on the weight ratio of 1:80-80:1, preferably 1:10-10:1. The bactericidal composition can be prepared into water dispersible granules, wettable powder, suspension agent, water emulsion, microemulsion and emulisfying oil agent. The bactericidal composition has the advantages of rational components, treatment and protection effects, good bactericidal effect, reduced medication times, low medication cost, obvious synergistic effect rather than simple superposition of activity and bactericidal effect of the components, retarded resistance and good safety on crops, thus meeting the safety requirement for pesticide preparations; and the bactericidal composition has better prevention and treatment effects on alternaria leaf spots, scab, anthracnose, powdery mildew and leaf spots on crops such as vegetable, melon and fruit, fruit trees, flower and cereal.

The invention relates to the technical field of screening of functional microorganisms, and particularly provides a bacillus amyloliquefaciens strain, wherein the collection number is CCTCC NO: M2015075. Growth and propagation of pathogenic bacteria such as alchemilla japonica podosphaera leucotricha, botrytis cinerea, fusarium oxysporum and rhizoctonia solani can be significantly inhibited by bacillus amyloliquefaciens; plant diseases such as strawberry powdery mildew and cucumber gray mold are effectively prevented and treated; and the effect is significant. The bacillus amyloliquefaciens can be applied to prevention and treatment of the plant diseases as an antibiological inoculant, and can also be compounded with other bacilli and moulds with bacteriostatic action to prepare a compound microorganism preparation; the prevention and treatment efficiency on the plant diseases such as powdery mildew, gray mold, brown blotch and fruit rot is 85%-90%; and the application prospect is wide.

The invention provides a composite microbial inoculant for controlling plant continuous-cropping diseases, which comprises trichoderma harzianum, bacillus subtilis, and gliocladium roseum, and also comprises phosphate-solubilizing bacteria and potassium-solubilizing bacteria; the accession number of the trichoderma harzianum strain is CGMCC NO. 7861; the accession number of the bacillus subtilis strain is CGMCC NO. 7850; the accession number of the gliocladium roseum strain is CGMCC NO. 9008. The invention also provides a preparation method and an application of the composite microbial inoculant. Through the selection of high-efficient bacterial strains such as disease-preventing trichoderma, bacillus subtilis, gliocladium roseum, phosphate-solubilizing bacteria and potassium-solubilizing bacteria, the composite microbial inoculant of the invention promotes the growth of crops, improves the utilization rate of fertilizers, enhances the stress resistance such as disease resistance and the like, improves the quality of crops, and can control diseases such as root rot, verticillium wilt, damping off, botrytis, epidemic diseases, powdery mildew, sclerotinia rot, seedling-stage damping off, and the like.

An application of the benzothiabiazole as the disease resistance activating agent for preventing and treating the hoja blanca and blast of rice, the powdery mildew of melon, the necrosis host of Nicotiana tabacum L. var. Xanthi-NC, etc is disclosed.

The invention discloses a substituted pyrazol compound containing pyrimidine. The structure of the compound is shown as general formula I in the specification, wherein each substituent group is defined as the specification. The compound provided by the invention has broad-spectrum bactericidal, insecticidal and acaricidal activity, and has excellent control effect on cucumber downy mildew, wheat powdery mildew, corn rust, rice blast, cucumber anthracnose and the like. The compound provided by the invention also shows good insecticidal activity.

The invention discloses a streptomyces microflavus. The streptomyces microflavus is the streptomyces microflavus NMG2-4-8, and the preservation number thereof is CGMCG No.3442. The streptomyces microflavus is separated and screened from alfalfa healthy tree rhizosphere soil for the first time in the invention, and experiments prove that the streptomyces microflavus has remarkable antagonistic action for 18 pathogenic fungi and 9 bacteria and broad antibacterial spectrum. The streptomyces microflavus has strong inhabiting action for crop pathogenic bacteria, such as alfalfa downy mildew and the like, shows a good disease prevention effect for the alfalfa downy mildew, powdery mildew, brown spots, stemphylium leaf spot disease, root rot disease and the like, and indicates that the bacterial strain has broad application prospect in the biological prevention and cure fields of alfalfa diseases.

The invention provides an agent which is prepared by compounding phytochemicals namely eugenol and allicin in the weight ratio of (1:30)-(30:1). The compounded agent can be prepared into soluble liquid, emulsion in water, an emulsifiable solution, suspension, a suspend emulsion formulation and other formulations and is used for controlling diseases such as powdery mildew, botrytis, downy mildew,viral disease, leaf mold, anthracnose, rust disease, fusarium wilt or epidemic disease and the like of plants. The eugenol and allicin compounded agent has an obvious synergistic effect, and is high in bacteriostasis activity, and low in relative using amount; and the compounded agent can be expected to be developed into an environment-friendly, high-efficiency, and low-toxicity agricultural bacteriacide which has high quality.

The invention discloses a melon-cotton stereoscopic intercropping method suitable for planting melons in open field. The method comprises the following steps of: applying a high-quality decomposed organic fertilizer after soil is moist in spring, ploughing the soil, and forming a trapezoidal high ridge with the upper opening width of 70 to 80 centimeters; controlling the ridge interval to be 1.2 meters, controlling the ridge depth to be 30 to 40 centimeters, covering the trapezoidal high ridge by using a film with the width of 1.58 meters, pressing the mulching film against the surface and two sides of the ridge, and firmly burying the bottom of the film; and holing and planting at the positions 10 centimeters away from the two sides of the ridge surface, building an A-frame on the two sides of the high ridge, binding horizontal and vertical wooden poles and iron wires on the A-frame, dragging the melon stems to the A-frame for stereoscopic growth, pruning single stems, controlling the fruit setting nodes in 8 to 12 nodes, preventing powdery mildew by using high-efficiency low-toxicity germicide, and controlling the number of plants per acre to be about 1,800. The method solves the problems of the contradictions in the aspects of water, the fertilizer, illumination and the like during the common growth period of the melon and the cotton. The planting mode has the advantages of improving land use rate, producing high-quality safe agricultural products and having wide demonstration effect and high application value.

The invention discloses a eugenol biological pesticide which comprises the following ingredients in percentage by weight: 0.1% to 70% of eugenol, 6% to 20% of surfactant, 0.01% to 0.5% of plant immunity regulator, 10% to 50% of synergist, and raw materials of alcohol and turpentine for the rest part. With the advantage of reasonable formula, the eugenol biological pesticide is characterized in that the active volatility of the active ingredient eugenol is improved, the pesticide effect of the eugenol is enhanced, pesticide doses are reduced, and the pesticide cost for farmers is reduced; pureplant solvents are used in the eugenol biological pesticide which belongs to low-carbon and environment-friendly pesticide, so pollution and harm to the environment are reduced, and the eugenol biological pesticide is safe and environment friendly for use. The eugenol biological pesticide is used for preventing and treating powdery mildew, botrytis and downy mildew and regulating plant immunity, and has the effects of synergy, simultaneous treatment, resistance prevention, resistance delay, etc.

The invention belongs to the technical field of biological pesticides, discloses a Streptomyces l avendulae xjy strain which has been collected in the general microorganism center of CCCCM in 8.16.2007 with the collection number: CCMCC No.2130. The invention also discloses a separation and authentication method for the strain, a preparation method for antibiotic active substances of the Streptomyces l avendulae xjy strain, authentication for analysis structures of the active substances, prevention and cure experiments for metabolic active substances of the xjy strain against leaf muld of tomato, powdery mildew of cucumber and phytophthora blight of pepper, and growth-promoting experiments for the growth of the strain. The antibiotic active substances secreted by Streptomyces xjy strain is mainly nucleosides antibiotic having the characteristics of persistent effect and no medicinal hazard as well as having the effects of obviously preventing and curing vegetable diseases and promoting the growth to a certain extent.

The invention provides a nutrient fertilizer for fuchsia. The nutrient fertilizer can meet the basic nutrient requirements of the whole growth period of the fuchsia, and is favorable for promoting growth and development of roots and leaves of the fuchsia. The fertilizer has sterilization, pest killing and pest and disease prevention while being applied, and has a good effect of preventing, controlling or relieving aphids, blight, rust disease, root rot, powdery mildew and the like possibly produced in the fuchsia. After the fertilizer is applied, the fuchsia has the advantages of large and multiple flower buds, bright color, few pest and disease and quick growth and development speed and also has high ornamental value.

The invention relates to a pesticide, in particular to a complex bactericide for mainly treating grey mould disease, early blight and powdery mildew, which is used for preventing and controlling the grey mould disease, early blight, powdery mildew, downy mildew and late blight of vegetable and fruit crops. The complex bactericide consists of active ingredients, a filler and/or an auxiliary agent, wherein the active ingredients consist of boscalid and methoxyl acrylate bactericide in the weight ratio of 1-100:1-100. The complex bactericide can also be prepared into wettable powder or water dispersible granules for use. The complex bactericide has the advantages of high quick acting performance, novel action mechanism and capability of effectively suppressing and delaying the occurrence and development of germ resistance to the medicament; and a preparation process has the advantages of simplicity, low cost, wide disease prevention spectrum and high biological safety.

A novel strain of Bacillus subtilis EB120 shows high antagonistic activity for controlling various plant diseases including barley powdery mildew, cucumber powdery mildew, red pepper anthracnose, rice blast, tomato gray mold, tomato late blight and wheat leaf rust, it can be effectively used as a microbioside for biologically controlling the plant diseases.