8results about How to "Disease control" patented technology

This invention provides an excellent method for the prevention and control of plant diseases. Formula (I) [wherein, ring A] 5 This indicates a 5-membered non-aromatic nitrogen-containing heterocycle, etc. (where ring A...) 5 In this context, the atom bonded to D is either a carbon atom or a nitrogen atom, and the atom adjacent to the atom bonded to D forms a ring A. 5 (At least one of the atoms is a nitrogen atom), D represents CR 1 R 2 And so on, where n represents 0, 1, 2, or 3, m represents 0, 1, 2, or 3, q ​​represents 0, 1, 2, 3, 4, or 5, and R 1 and R 2 The same or different from each other indicates C1-C6 chain hydrocarbon groups, etc., R 1 and R 2 They can combine with the carbon atoms they are bonded to to form C3-C8 alicyclic hydrocarbons, etc., R 3 and R 5 The same or different from each other indicates C1-C6 chain hydrocarbon groups, etc., R 4 Indicates C1-C6 chain hydrocarbon groups, etc., R 6 Representing C1-C6 chain hydrocarbon groups, etc., when q is 2, 3, 4 or 5, two adjacent R groups 6 and R 6 They can form C5-C6 alicyclic hydrocarbons together with the carbon atoms they are bonded to. The compounds shown, or their N oxides, or their salts, can be used for the control of plant diseases.

The invention belongs to the technical field of biology, and particularly relates to a bacillus amyloliquefaciens strain sf28 and application thereof. The bacillus amyloliquefaciens strain sf28 is separated from rhizosphere soil of a peanut southern blight diseased plant, and the bacillus amyloliquefaciens strain sf28 has the effects of resisting fungi and bacteria and can effectively prevent and treat various plant diseases; comprise peanut bacterial wilt, peanut southern blight, peanut fruit rot, peanut root rot, peanut crown rot, ligustrum lucidum canker and tobacco root rot, and the potting test control effect on the peanut southern blight and the peanut bacterial wilt is remarkable.

The invention relates to a fruit preservative containing trichoderma or analogues thereof and application of the fruit preservative, and belongs to the technical field of fruit preservation. In order to reduce fruit postharvest loss caused by germ infection and imperfection of a preservation technology and solve the technical problem of safety risk existing in an existing fruit preservation technology, the invention provides a fruit preservative containing trichoderma or analogues thereof, and the fruit preservative is prepared by the following steps: dissolving trichoderma or analogues thereof in absolute ethyl alcohol; by means of the fumigation mode, the storage time of the picked fruits can be prolonged, the growth of pathogenic fungus hyphae causing the picked fruit diseases can be inhibited, then various picked fruit diseases are prevented and treated, and the method has the advantages of being safe and environmentally friendly. Besides, the trichoderma analogue is dissolved in water to serve as a fruit preservative, the fruits are preserved in a spraying mode, and the effects of prolonging the storage time of the picked fruits and preventing and treating various postharvest diseases of the fruits can also be achieved.

The present application relates to the application of spermine and / or spermidine in preventing and treating plant diseases caused by Phytophthora. The present application finds that spermine and spermidine can effectively inhibit the spore germination and mycelium growth of Phytophthora capsici Leonian and P. infestans Mont. and can effectively prevent and treat the plant diseases caused by P. capsici Leonian and P. infestans Mont., including pepper Phytophthora blight, tomato Phytophthora blight, potato late blight and tomato late blight, and significantly reduce the plant disease area.

The invention provides a five-membered heteroaryl compound. (In the formula, Q1 and Q2 each represent a phenyl group or the like, B1, B2 and B3 each represent an oxygen atom, a nitrogen atom, NR1, CR2, R1 represents an alkyl group or the like, R2 represents a hydrogen atom or the like, Za represents an oxygen atom or the like, T represents a partial structure (T-1) or (T-2), Z represents an oxygen atom or the like, R6 represents a hydrogen atom or the like, Zb represents an alkoxy group or the like, R7 represents RcCO-or the like, Rc represents an alkyl group or the like, R4 and R5 each represent a hydrogen atom or the like, and n represents an integer of 1-3).

The application provides a multifunctional bacillus velezensis, a microbial agent and application thereof, and relates to the technical field of microbial development and application. The bacillus velezensis is bacillus velezensis KY950a, which is preserved in the China General Microbiological Culture Collection Center and has a preservation number of CGMCC No. 24943. The application screens a multifunctional microbial strain which has strong hair keratin degradation ability, strong animal protein degradation ability, strong gelatin hydrolysis ability and strong cellulose hydrolysis ability. The strain can rapidly and efficiently degrade feather or animal carcass protein into small molecule peptides or amino acids, especially into small molecule peptides with a molecular weight of about 5KD, so that the animal hair or animal carcass can be degraded to form animal-derived biological fertilizer, which is used for promoting plant growth. Meanwhile, the strain has good salt and alkali tolerance, acid tolerance and a wide antibacterial spectrum against plant pathogenic bacteria, and is a multifunctional strain with excellent comprehensive performance and high application value.

The invention discloses application of L-glutamylglycine in prevention and treatment of plant root-knot nematodes, and belongs to the technical field of biopesticides. The L-glutamylglycine can effectively inhibit the infection ability of root-knot nematodes and reduce the harm of the root-knot nematodes to host plants. The L-glutamylglycine provided by the invention has the characteristics of high efficiency, greenness and environmental friendliness, is safe to agricultural products, people, livestock and soil micro-ecology, avoids the residues and pollution risks of traditional chemical pesticides, provides a novel and sustainable green prevention and control strategy for prevention and control of plant root knot nematode diseases, and has a wide application prospect. The method has a wide industrial application prospect in the field of biopesticides.

The invention discloses a biocontrol strain BY10 for preventing and treating oatmeal leaf spot and application thereof, and belongs to the technical field of functional microorganism screening and application. The biocontrol strain BY10 provided by the invention belongs to bacillus velezensis, the preservation number of the biocontrol strain BY10 is CGMCC (China General Microbiological Culture Collection Center) No.36208, and the biocontrol strain BY10 has a remarkable antagonistic effect on the Drechsla avenae. Results of a plate confrontation culture test and an in-vitro leaf test show that the BY10 strain can effectively inhibit growth and expansion of pathogenic bacteria. The strain has the capabilities of producing protease and cellulase and forming a biological membrane. A new strain resource is provided for biological prevention and control of the oatmeal leaf spot disease, and the strain has the advantages of being environmentally friendly, high in targeting property, sustainable and the like and can be widely applied to prevention and control of the oatmeal leaf spot disease.