1420 results about "Sheath blight" patented technology

The invention discloses a streptomyces corchorusii strain NF0919, which is collected in China General Microbiological Culture Collection Center, and has the collection number CGMCC No. 3968. The strain can be used for preventing and treating rhizoctonia cerealis, rice false smut, rice sheath blight disease and other various plant diseases.

The invention discloses a preparation method and application of pseudomonas chlororaphis for resisting disease and promoting growth. A strain is pseudomonas chlororaphis HT66CCTCC No:M2013467. A main metabolite of the strain comprises phenazine-1-phenazine and phenazine-1 formamide. The strain is inoculated into a microorganism culture medium and is fermented to obtain a thallus with high concentration and the metabolite, and can be mixed with materials like powder active carbon, bentonite, swell soil, kaolin, diatomite, zeolite, calcium carbonate and the like to prepare a microbial agent; the quantity of viable organisms in a finished product is 1-8.5*10<9>cfu / mL. The tablet laboratory verifies that the pseudomonas chlororaphis has good control effect of pathogenic bacteria of rice sheath blight diseases, cotton fusarium wilt, gaeumannomyces graminis and watermelon fusarium wilt, and also has a good promotion function in the growth of a part of plants.

The invention relates to a Bacillus amyloliquefaciense BA-KA3 and application thereof. The Bacillus amyloliquefaciense BA-KA3 is preserved in China General Microbiological Culture Collection Center on October 23, 2013, and has preservation No. CGMCC8342; its on tomato gray mold germs has obviously of antagonistic anti-role, on wheat scab bacteria. The Bacillus amyloliquefaciense BA-KA3 has obvious antagonistic effect on Fusarium graminearum, Rhizoctonia cerealis, Alternaria alternata, Phytophthora capsici, Colletotrichum capsici, Cercospora personata, Alternaria alternate and Garlic sclerotinia disease, and can significantly improve plant growth indexes such as germination rate, and budding rate and root length of seeds,and especially applies to preparation of agricultural preparations for control of tomato diseases due to Botrytiscinerea invasion and has certain growth promotion effect.

The invention discloses bacillus subtilis NB12, as well as a culture method and an application thereof. The strain with a preservation number of CGMCC No.5383 is preserved in China General Microbiological Culture Collection Center on October 24, 2011. Researches prove that: the strain has strong inhibition effects to rhizoctonia solani, colletotrichum musae, pyricularia grisea, fusarium graminearum, fusarium oxysporum f.sp.cubense, peronophythora litchi, ustilago scitaminea, fulvia fulva, xanthomonas oryzae and xanthomonas oryzae pv.oryzicola, is a broad-spectrum antagonistic strain, can be used for prevention and control of various plant diseases, has a particular good prevention and control effect to the rice sheath blight and damping off in seedling phase of cowpea, has the advantages of harmlessness to human and livestock, greenness and safety, good environment compatibility, difficult resistance generation and the like, can be used for commercial development, and has a wide application prospect.

The invention discloses bacillus subtilis and tricyclazole compound wettable sterilizing powder. The finished medicament comprises active ingredients, assistants and a filler assistant, and is characterized in that: the active ingredients account for 10 to 85 percent of the total weight of the finished medicament and consist of the bacillus subtilis and the tricyclazole; and the bacillus subtilis accounts for 10 to 90 percent of the weight of the active ingredients. To be used, the finished medicament is diluted and sprayed onto rice to prevent and control rice blast or rice sheath blight of the rice. The finished medicament has the advantages that: due to the use of the bacillus subtilis and the tricyclazole which are mixed in a certain ratio, the synergy of microorganisms and chemical agents can be fully played, so as to complement mutual advantages, enlarge prevention and control range, reduce dosage of the chemical agents, reduce medicinal administration cost, improve prevention and control effect, improve the ecological environment and reduce the residues of chemical agents in the rice.

The invention discloses burkholderia cepacia SD7 and a culturing method and application thereof. The bacterial strain is preserved in China General Microbiological Culture Collection Center on October 24th, 2001, and the preservation number is CGMCC No.5384. Through research, the bacterial strain has strong inhibiting effect on rhizoctonia solani, collectotrichum musae, pyricularia grisea, gibberella zeae, fusarium oxysporum f. sp. cubense, peronophythora litchi, ustiago scitamimea syd, fulvia fulva, xanthomonas oryzaepv.oryzae, xanthomonas oryzae pv. Oryzicola, and the like, is broad-spectrum antagonistic bacteria, can be used for preventing and treating a plurality of plant diseases, particularly has better preventing and treating effect for banana fruit anthracnose and rice sheath blight, has the advantages of harmlessness to person and animals, environmental protection and safety, good environmental compatibility, and difficulty in becoming resistant, is good for business development, and has broad application prospect.

The invention discloses an agricultural sterilizing composite containing thifluzamide, which is a sterilizing composite containing a first active ingredient thifluzamide, second active ingredients including difenoconazole, hexaconazole, propiconazole, cyproconazole and tebuconazole, and third active ingredients including tricyclazole, isoprothiolane, fenoxanil, Kanamycinum, prochloraz and azoxystrobin, wherein the weight ratio of the first active ingredient to the second active ingredient to the third active ingredient is (1-6) : (1-6) : 6. The sterilizing composite can be applied to controlling rice sheath blight disease, rice false smut and rice blast, and has reasonable ingredients, curing and protecting function, good sterilizing effect, less times of spraying insecticide and lower cost of spraying insecticide. In addition, the activity and the sterilizing effect of the sterilizing composite are not simple addition of the activity of active ingredients, but remarkable synergism isachieved. The invention has good safety on plants, slows down the generation of resistance and meets the safety requirement on agrochemicals.

The invention discloses an agricultural sterilizing composite containing thifluzamide, containing a first active ingredient thifluzamide, and a second active ingredient selected from tebuconazole, difenoconazole, hexaconazole, propiconazole and cyproconazole, wherein the weight ratio of the first active ingredient to the second active ingredient is (12 : 1)-(1 : 12). The sterilizing composite is applied to controlling rice sheath blight disease, rice false smut, wheat sharp eyespot, wheat loose kernel smut and wheat Tilletia contraversa of cereal crops, and has reasonable ingredients, curing and protecting function, good sterilizing effect, less times of spraying insecticide and lower cost of spraying insecticide. In addition, the activity and the sterilizing effect of the sterilizing composite are not simple addition of the activity of the active ingredients, but remarkable synergism is achieved. The invention has good safety on plants, slows down the generation of resistance and meets the safety requirement on agrochemicals.

The invention belongs to the field of agricultural chemical bactericides, and discloses an agricultural antifungal composition which is characterized by comprising components A and B, wherein the component A is coumoxystrobin, the component B is a compound selected from triazole bactericides, and the weight ratio of A to B is 1:40-40:1. The composition weakens or retards the generation of resistance of pathogenic fungi to the coumoxystrobin, and avoids the reduction of drug effect resulted from the resistance. Simultaneously, because heterogeneous fungicides form synergism of the composition,the control effect of the composition on diseases is remarkably improved. The composition can be prepared into the formulations of suspending agents, aqueous emulsion, wettable powder or microemulsion, and the like, and is applied to the controlling sclerotinia rot of colza, apple tree canker, rice blast, tomato leaf mold, wheat scab, cucumber scab, tomato anthracnose, cucumber blight, apple ringrot, rice sheath blight, rice bakanae disease, wheat powdery mildew, cucumber powdery mildew, cucumber downy mildew, wheat sheath blight, cucumber gray mold, banana gray pattern disease, and the like.

The invention provides a Pseudomonas.chlororaphis subsp.Aurantiaca Pa40, preservation number of which is CGMCCNo.2764. The strain generates HCN, prolease and siderophore relative to antibacterium and has plate board inhibition effect on a majority of tested plant pathogenic fungi and a part of tested plant pathogenic bacteria. Control effect of the biocontrol strain Pa40 on rhizoctonia solani is detected by taking wheat as an indicator plant on the plate, in the greenhouses and in the fields; a result shows that the control effects of the Pa40 on the rhizoctonia solani on the plate bed, in the greenhouse and in the fields are respectively 53.97%, 68.10% and 72.46%; wherein the control effects on the rhizoctonia solani in the greenhouses and fields are higher than that of validamycin.

The invention discloses a Paenibacillus kribbensis, and a preparation method and an application thereof. The Paenibacillus kribbensis has a bacterial code name of TRCC82001, is preserved in China General Microbiological Culture Collection Center, and has a preservation number of CGMCCNo.7996. The above bacterial strain has the advantages of good production property, good metabolite antimicrobial effect, and strong activity against rice blast and sheath blight, and a solution obtained after diluting a broth subjected to antibiotic treatment to 100 times has an inhibition effect of above 80% on the rice blast and sheath blight. The bacterial strain and its metabolites have a broad antimicrobial spectrum, can be used for preparing biocontrol preparations for the broad spectrum activity inhibition of pathogenic fungi to control the fungal diseases of plants.

The invention relates to a bio-controlling bacterial strain AT31 for preventing and curing greenhouse vegetable root knot nematode disease and rice sheath blight disease, belonging to the technical field of plant protection. The bacterial strain AT31 is shaking cultured in PDA culture solution at 37 DEG C and 180rpm for 20-24 hours, then is subject to centrifugation at 6000rpm for 10min, a finished bactericide product thereof has a total viable bacteria concentration of 1*10<9>-1*10<10>cfu / ml, can be used by pouring at roots when transplanting vegetable seedlings after being diluted by 100 times, or be manufactured into microbial fertilizer to be used a week before the vegetable seedlings are transplanted, and has a prevention effect of 58-82% for root knot nematode disease of tomato, loofah, cucumber and other vegetables. The bactericide is diluted by 100 times to be used in spray treatment on rice stem base, has a prevention effect of 64.7% for rice sheath blight disease, and can increase the yield by 22.33%. And the bactericide can also cure vegetable bacterial wilt and epidemic diseases, and can improve soil hardening phenomenon.

The present invention relates to a bactericide composition, more specifically to a bactericidal composition of effective components thiamethoxam and tebuconazole, wherein the weight ratio of thiamethoxam and tebuconazole is preferably 1:80-7 :1, more preferably 1:20 to 1:1. The bactericidal composition is suitable for controlling rice sheath blight and rice false smut.

The invention discloses a preparation method of microbial pesticide for controlling vegetable fungal diseases, belonging to the microbial technical field, which utilizes a streptomyces diastatochromogenes D isolated and screened from a soil sample to prepare various formulation pesticides with the steps of the activation cultivation of strain, fermentation cultivation, leavening extraction and distribution of pesticide auxiliary material to the purified active composite, wherein the soil sample is acquired from Lin' an Tianmu mountain in Hangzhou, Zhejiang. The preparation method of microbial pesticide for controlling vegetable fungal diseases is safe and can be used for controlling cucumber fusarium wilt, tomato gray mold, and other vegetable fungal diseases; and the controlling effect is a little better than normal chemical agents.

The invention discloses bacillus subtilis S001 capable of inhibiting a variety of pathogens and further discloses a microbial preparation prepared from the bacillus subtilis S001 and a preparation method the microbial preparation. The bacillus subtilis S001 with the collection number of CGMCC No.6425 has the function of promoting growth and inhibiting pathogens including the fusarium, pepper rhizoctonia solani, tomato leaf mold, tomato early blight pathogen, tomato grey mold, eggplant sclerotia pathogen, wheat full-rotting pathogen, wheat root rotting pathogen and wheat sheath blight pathogen. The microbial pesticides and microbial fertilizers prepared from the bacillus subtilis S001 are environmentally-friendly and have good safety, and pathogens can not resist the microbial pesticides and the microbial fertilizers easily.

The invention which discloses a bactericide for promoting the growth and controlling the rice sheath blight and an application thereof belongs to the field of pesticides for controlling crop diseases. The bactericide comprises 0.1-10 wt% of cinnaldehyde, 10-25 wt% of an emulsifier, 0.1-10 wt% of azone, 20-50 wt% of alcohol, and the balance water. The bactericide is used as follows: cinnaldehyde and azone are dissolved in alcohol and are uniformly mixed, and water is added to the obtained solution to a constant volume. The invention also discloses the application of the bactericide in controlling the rice sheath blight and promoting the rice growth. An effective component of the botanical bactericide of the invention is from a natural plant extract cinnaldehyde, and the bactericide of the invention has multiple efficacies of crop growth promotion, production and income increase, quality improvement, nutrient utilization rate improvement, pest control, no pollution and the like, so the bactericide of the invention is suitable for the production of nuisance-free, green and organic agricultural products. The bactericide of the invention, which has the advantages of low cost and substantial application effect, has a very wide application prospect.

The invention provides bacillus velezensis for inhibiting virus and promoting plant growth and application of a bacillus velezensis SNB55 strain in prevention and treatment of plant virus diseases andplant fungal diseases and promotion of plant growth. The bacillus velezensis for inhibiting virus and promoting plant growth and the application of the bacillus velezensis have the beneficial effectsthat the bacillus velezensis has no toxicity and pathogenicity, is safe to human and livestock, is environment-friendly, and has high stress resistance and stable antibacterial activity; the bacillusvelezensis can inhibit phytopathogens such as bacillus cereus, tobacco mosaic virus, tomato yellow leaf curl virus, fusarium wilt of cucumbers, tobacco target spot pathogens, phytophthora capsici, rice sheath blight disease and botrytis cinerea, can be secrete indoleacetic acid to promote seed germination and plant growth; and the strain is a multifunctional biocontrol bacterium and has a wide application prospect.

The invention relates to the field of biological prevention and treatment of plant diseases, in particular to a bacillus siamensis strain and application thereof. The strain is preserved in CGMCC (China General Microbiological Culture Collection Center); the preservation code is CGMCC NO.12903; the preservation time is August 24, 2016. The strain is used for preventing and treating rhizoctonia solani kuhn; the potential adverse influence of chemical drug used in the current stage on the human environment and the rice safety can be avoided. The strain has the characteristics that the growth speed is high; the sporulation quantity is large; the action spectrum is wide; the stress resistance is great; the plant growth is promoted, and the like. Therefore the strain belongs to a biological prevention and treatment preparation with great application prospects.

The invention relates to a Bacillus subtilis strain YB-05, and a preparation method of an inoculant of the Bacillus subtilis strain YB-05. The Bacillus subtilis strain YB-05 is preserved at China General Microbiological Culture Collection Center, and has a preservation number of CGMCCNO.6498. The microbial inoculant is a pulvis prepared through the spray dry preparation of a fermentation solution of the Bacillus subtilis strain YB-05. The YB-05 strain and its inoculant have the advantages of wide antibacterial spectrum, good antimicrobial effect, and strong inhibition effects on the wheat take-all disease, tomato Botrytis cinerea, wheat sheath blight fungi, Phytophthora melonis and the like; and the inoculant has the advantages of high efficiency, non-toxicity, simple use, and no environmental pollution.

The invention relates to bacillus amyloliquefaciens, the preservation number of which is CCTCC M 2015299, and which is named as bacillus amyloliquefaciens XK-2. The invention further provides a screening method of the bacillus amyloliquefaciens XK-2 and an application of the bacillus amyloliquefaciens XK-2 in inhibiting watermelon fusarium oxysporum, rhizoctonia solani and walnut root rot pathogenic bacteria as well as a bacillus amyloliquefaciens XK-2 bactericide. The bacillus amyloliquefaciens XK-2 is a watermelon endophytic bacterial which is safe to the human beings, animals and crops, environment-friendly, relatively wide in antibacterial spectrum, has a good inhibition effect on common soil-borne pathogen,watermelon fusarium oxysporum, rhizoctonia solani and walnut root rot pathogenic bacteria, has a significant control effect on watermelon fusarium wilt, has an obvious inhibition effect on the growth of watermelon fusarium oxysporum hypha, slows down the growth of hypha, facilitates the distortion syndrome of the hypha and is wide in application prospect in biological control of plant diseases.

The invention relates to a large composition floating granule for preventing and controlling sheath blight and rice blast of rice, and a preparation method thereof. The large composition floating granule comprises an effective component A, an effective component B, a water surface expansion agent, a disintegrating agent, a dispersant, a wetting agent, a core material with the density being smaller than that of water, an oily substance and a filler; and the effective component A is used for killing sheath blight pathogens, and the effective component B is used for killing rice blast pathogens. The structure of the large granule makes the applied medicine granule rapidly disintegrate in a radial manner and randomly float and expand to all directions, so the large granule can be uniformly dispersed in the whole water surface to form a medicine film in order to make the whole water layer become a medicine suspension, thereby the large granule has lasting and uniform effects, has no medicine harms to crops, and can effectively kill pathogens. Compared with traditional field pesticide sprinkling modes, the large granule is applied only through pouring the large granule to a water field nearby the field without going to the field, so the labor and the time are saved. 300 Billion m<2> of rice field exists in China, and the large granule saves huge manpower cost, and has a high applying efficiency and good effects.

The invention relates to an effect enhanced sterilization composition and effervescence agent, wherein the composition comprises synergy effective dose bacillus subtilis, imidacloprid, propiconazole, or thifluzamide. The composition provided by the invention shows appreciable synergism for the prevention and cure of rice sheath blight disease, its effervescent agent is easy to use and has fine prevention and cure effect.

The invention discloses a chaetomium globosum FSR-74. The collection unit of the chaetomium globosum FSR-74 is China General Microbiological Culture Collection Center, the collection date of the chaetomium globosum FSR-74 is September 19, 2014 and the collection number of the chaetomium globosum FSR-74 is CGMCC No. 9690. The strain is relatively slow in growth and has light brown colonies and an irregular wave-like edge when subjected to plate culture at 25 DEG C in a potato dextrose agar (PDA) culture medium. FSR-74 ascocarps are supergene and fixed on the surface of a matrix by rhizoids; top hair is wavy, brown and has intervals, and dense wart points are arranged on the surface; 8 ascospores are arranged in an ascus; the ascospores are shaped like lemons and have single apical bud holes. The chaetomium globosum FSR-74 has an efficient broad-spectrum bacteriostatic effect against main pathogenic bacteria causing ginseng rust rot, blight, sclerotinia rot, rust rot, blackspot, sheath blight and gray mold. The invention further provides a biological control mechanism and application of the chaetomium globosum FSR-74 in prevention and treatment of plant fungal diseases, as well as application in preparation of a microbial agent for preventing and treating the plant fungal diseases.

The invention belongs to plant disease biocontrol technical field, and relates to separation identification on bacteria for biocontrol of rice sheath blight, microbial inoculum containing the bacteria or a fermentation product thereof, and control on rice sheath blight. In the invention, the bio-control bacteria-a bacillus subtilis WJ-1 bacterial strain for controlling rice sheath blight is obtained by separating and screening and then preserved in China Center for Type Culture Collection, wherein, the preservation number is CCTCC No: M2010069. The invention further discloses a preparation method of the biocontrol microbial inoculum and an application of three bacillus subtilis WJ-1 microbial inoculum for controlling rice sheath blight. The biocontrol microbial inoculum of the invention has good biocontrol effect on plant fungal diseases such as rice sheath blight and the like.

The invention provides pseudomonas chlororaphis for preventing and treating the crop fusarium disease and applications thereof. The preservation number of the pseudomonas chlororaphis is CGMCC No. 7729. The Pcho01 bacterium strain of the pseudomonas chlororaphis has a high effective antagonistic action, is capable of being applied to the preventing and treating wheat scab caused by fusarium, and the preventing and treating efficiency in the field is maintained above 60%. The Pcho01 bacterium strain also has a very good antagonistic action on botrytis cinerea, rice sheath blight fungus, bipolaris maydis, pythium wltmum, rhizopus, and pseudomonas solanacearum, and can be used to prevent and treat the diseases caused by those bacteria mentioned above.

The invention discloses Bacillus pumilux XZJ.BP01 having antagonistic effect on rice sheath blight and rice blast pathogenic bacteria, which is separated from osmanthus fruit. The strain was collected in China Center for Type Culture Collection on October 27th, 2009, with a collection number of CCTCC No.M209235. The strain XZJ.BP01 has antagonistic effect on the rice blast and rice sheath blight pathogenic bacteria, and the biological metabolic products of the strain has a sheath blight bacterium inhibition rate of over 99 percent; meanwhile, in field test of rice blast, the infection index of the rice applied with the fermentation solution of the strain is 16.7 percent, while the infection index of reference rice is up to 67.8 percent. As a result, the strain of the invention has a great significance for solving rice blast and rice sheath blight and has a remarkable effect.

The invention relates to a novel cultivation technology for preventing and controlling banana fusarium wilt, which is characterized in that mixed planting of banana and Chinese chive is adopted and root exudate or residue putrilage of Chinese chive is used for inhibiting fusarium oxysporum f. sp. Cubense. The cultivation technology for preventing and controlling banana fusarium wilt by taking Chinese chive as a core comprises crop rotation and intercropping. The technology has low incidence for whether plantain or banana (Musa AAA Group Cavendish), even no disease, and is suitable for application in a large area.

The invention discloses application of psoralen as an agricultural disinfectant or pesticide. The psoralen serving as the pesticide is used for preventing and controlling lepidopterous and homopterous insects, and the psoralen serving as the disinfectant is used for preventing and controlling agricultural fungus diseases and particularly has obvious preventing and controlling effects on sclerotinia rot of colza, cucumber fusarium wilt, rice sheath blight, wheat scab and wheat sharp eyespot. The psoralen serving as the agricultural disinfectant and pesticide is characterized by good effect, broad spectrum, low toxicity, no residue, environmental friendliness and no public hazard, and is particularly favorable for environmental protection.

The invention discloses a carbon-based rice seedling raising substrate for rice. The carbon-based rice seedling raising substrate comprises biochar, a straw fermented product, yellow soil, vermiculite and an inorganic fertilizer, wherein a volume ratio of the biochar to the straw fermented product to the yellow soil to the vermiculite is (10-20): (15-30): (25-35): (15-25); the inorganic fertilizer comprises nitrogen, phosphorus pentoxide and potassium oxide; and per 10 m<3> of the carbon-based rice seedling raising substrate for the rice comprises 12 to 18 g of a nitrogen fertilizer, 4 to 7 g of a phosphorus fertilizer and 5 to 16 parts of a potassium fertilizer. The invention also discloses a preparation method of the carbon-based rice seedling raising substrate for the rice. According to the invention, by utilizing the biochar and the fermented product which are prepared from widely-available farmland organic wastes like rice straws, and inorganic substances like the yellow soil and the vermiculite, the carbon-based rice seedling raising substrate for the rice is prepared. The substrate provided by the invention has the characteristics of fertility holding, water holding and good air permeability, and can effectively prevent the occurrences of bakanae disease, sheath blight and the like in a seedling stage.