28results about How to "Disease control" patented technology

The invention relates to the field of potato planting, in particular to a preparation method of a safe seed dressing agent for seed potatoes and a seed dressing method.The potato seed dressing agent is prepared by mixing a calcium magnesium phosphate fertilizer, 50% carbendazim wettable powder, 3% Zhongshengmycin wettable powder, 80% mancozeb wettable powder and a slow release component, and the seed potatoes are cut into blocks for seed dressing. The method can safely and efficiently prevent and treat diseases such as soft rot, bacterial wilt and wilt of potatoes, reduces the rotting rate of potato blocks, improves the emergence rate, yield and quality of potatoes, and is simple to operate, easy to master and suitable for large-scale popularization and application.

The invention provides bacillus amyloliquefaciens and application of the bacillus amyloliquefaciens in preparation of a liquid fertilizer. The preservation number of the bacillus amyloliquefaciens is CGMCC (China General Microbiological Culture Collection Center) NO. 31787. The invention also discloses a microbial liquid bacterial fertilizer. The bacterial fertilizer is fermentation liquor containing bacillus amyloliquefaciens with the viable count of 1.0 * 10 < 9 > cfu / mL or more. The invention further discloses a preparation method of the liquid bacterial fertilizer and application of the liquid bacterial fertilizer in agricultural planting. The liquid bacterial fertilizer disclosed by the invention is good in storage stability, and can effectively inhibit plant germs, decompose nutrient substances, promote crop absorption, improve soil micro-ecology, prevent and control plant diseases and improve the yield and quality of crops. And the method is simple to use and environment-friendly, has important significance in promoting agricultural production and sustainable development of land resources, and has wide application prospects in agricultural production.

The present application relates to the field of microorganisms, and specifically discloses a Bacillus megaterium HP‑3 and an application thereof; a Bacillus megaterium HP‑3, Bacillus megaterium HP‑3 (Bacillus megaterium HP‑3) is deposited in the China Center for Type Culture Collection, with a deposit number of CCTCCNO.M20221791; application: a biological fertilizer, comprising the following raw materials in parts by weight: potassium phosphate, diammonium phosphate, EDTA chelated calcium, EDTA chelated iron, magnesium sulfate, zinc sulfate, humic acid, plant fiber, porous particles, and Bacillus megaterium HP‑3 bacterial liquid; Bacillus megaterium HP‑3 has the advantages of strong environmental tolerance, high temperature resistance, and ultraviolet resistance, and the prepared biological fertilizer can inhibit diseases and promote the growth of crops and vegetables.

The invention discloses an amino acid organic fertilizer and a preparation method thereof. The method adopts compounded fungi and fermentation aids to reduce the peculiar smell and fatty acid content of fish viscera after fermentation; a specially prepared viscous additive is used to prevent the fertilizer from being washed away by rainwater and reducing the fertilizer efficiency, and the amino acids in the fertilizer from being oxidized by light; and a chelating synergistic coating agent containing trace elements and having a slow-release function is used to coat the organic fertilizer particles. The amino acid organic fertilizer prepared by the invention has the characteristics of short fermentation time, low fatty acid content, easy absorption by crops, long-lasting fertilizer efficiency, and comprehensive nutrition.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

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 present invention relates to the technical field of microbial fermentation, and in particular to a fermentation medium of green Trichoderma, a Trichoderma agent and a preparation method thereof. The present invention adopts liquid-solid combined fermentation, solid-state fermentation with millet as the main raw material, supplemented with a quick-acting carbon and nitrogen source and an inorganic salt, ferments for 48 hours, sieves green Trichoderma conidia powder, mixes the conidia powder with a wetting agent, a dispersant and a carrier, etc. to prepare green Trichoderma wettable powder, the preparation has good water solubility, can be used for spraying and drip irrigation of crops, can prevent and treat plant diseases, and has the advantages of safety and high efficiency, no drug residue, no toxic side effects, reducing the use of antibiotics, and improving crop immunity.

The present invention provides a plant disease control method having an excellent control effect on plant diseases, which comprises using a compound represented by formula (I) (in the formula, n represents 0, 1, or 2, R1 represents a C1-C6 alkyl group or the like, R2 and R3 may be the same or different from each other and represent a C1-C6 chain hydrocarbon group or the like that may be substituted with one or more halogen atoms, R4 represents a C1-C6 chain hydrocarbon group or the like, q represents 1, 2, or 3, and in the case where q is 2 or 3, R1 represents a C1-C6 alkyl group or the like, R2 represents a C1-C6 chain hydrocarbon group or the like, and q represents a C1-C6 chain hydrocarbon group or the like. In the formula, two or three R4 may be the same or different, a combination of X1, X2, X3, and X4 represents a combination of X1 being CR5, X2 being CR6, X3 being CR7, and X4 being a nitrogen atom, or the like, and R5, R6, and R7 may be the same or different from each other, and each represents a C1-C6 chain hydrocarbon group which may be substituted by one or more halogen atoms, or the like. ) A step for treating a plant or a soil in which a plant is cultivated with a compound represented by the formula, an N-oxide thereof, or a salt of the compound or the N-oxide. # imgabs0 #

The application provides a combination of essential oils of Ledum palustre and Ophiopogon japonicus and application thereof in agricultural bacteriostasis, and belongs to the field of extraction and application of plant essential oils. The essential oil combination is obtained by mixing essential oils of Ledum palustre and Ophiopogon japonicus; the mass ratio of the essential oils of Ledum palustre and Ophiopogon japonicus is 1:0.5-1.5; the essential oils of Ledum palustre and Ophiopogon japonicus are obtained by using a steam distillation method respectively; the steam distillation method is specifically as follows: Ledum palustre leaves and crushed Ophiopogon japonicus roots are placed in respective distillation equipment, water is added, and then the temperature is raised to boiling, and distillation is performed for 1-3 hours, so that the essential oils of Ledum palustre and Ophiopogon japonicus are obtained respectively. The essential oil combination is derived from plants, is a natural bactericide, has good bacteriostatic effect, is safe to crops, is environment-friendly, and has a wide application prospect.

The invention discloses bacillus velezensis and application thereof, the bacillus velezensis is bacillus velezensis BVZ0942, the preservation number of the bacillus velezensis BVZ0942 is CCTCC NO: M 20231560, the preservation time is August 31, 2023, and the bacillus velezensis BVZ0942 is a new strain and is preserved. Experiments prove that the strain BVZ0942 has an inhibiting effect on various pathogenic bacteria, so that the strain BVZ0942 can be used as a biocontrol bacterium to be applied to a biocontrol bacterium agent; the strain can also be prepared into a bacteriostatic agent for inhibiting phytopathogen. The strain can also be prepared into a disease-resistant agent for resisting phytopathogen; a sterile metabolite produced by the strain can prevent and treat plant diseases; a sterilization metabolite produced by the strain can be used for preventing and treating plant diseases; volatile substances generated by the strain can prevent and treat plant diseases; volatile substances generated by the strain are prepared into biopesticide which can prevent and control plant diseases.

The invention relates to the technical field of tomato planting, in particular to a fresh tomato soilless culture method capable of preventing fruit cracking. The fresh tomato soilless culture method capable of preventing fruit cracking comprises the steps that S10, a culture medium is prepared, a substrate B is added into a culture tank, and then a substrate A is added; wherein the substrate A comprises inorganic matter and organic matter, the inorganic matter comprises ceramsite, perlite and gravel, and the organic matter comprises wine grape residues; s20, in the tomato fruit swelling period, an auxiliary substrate is diluted with water and then irrigated, and the auxiliary substrate comprises a microbial agent. The substrate A and the auxiliary substrate are applied to different stages of fresh tomato planting respectively, and under the combined action of the substrate A, the substrate B and the microbial agent, the fruit cracking rate of fresh tomatoes can be greatly increased and can be reduced to 9.2%, the fruit cracking rate is reduced by 11.8% compared with the fruit cracking rate of fresh tomatoes planted in common soil, the reduction rate is 56%, and the yield of fresh tomatoes is greatly increased. And the method is easy to control, simple and convenient to operate and labor-saving.

The invention provides a seed treatment agent for improving seed germination and resisting bacteria and a preparation method thereof. The effective components are modified azoxystrobin and a compound A; the structure of the compound A is shown as a formula I; the seed treatment agent composition containing the modified azoxystrobin and the compound A can improve the germination rate and germination potential of seeds, reduce the damage of diseases and guarantee the healthy growth of crops; meanwhile, generation of pest and disease resistance is slowed down; modified azoxystrobin and a compound A are compounded, so that the problem of drug resistance caused by a single agent is effectively delayed, crop diseases and insect pests are prevented and controlled while the germination rate is increased, and the insecticidal composition has very high social significance # imgabs0 #.

The present invention provides a Pseudomonas that can inhibit pathogens of various plants and promote the growth of various crops, as well as a screening method and application. The Pseudomonas is Pseudomonas sp. A34-9, which has been deposited in the China Center for Type Culture Collection, with a deposit number of CCTCC NO: M 2022397 and a deposit date of April 8, 2022. The Pseudomonas has an inhibitory effect on various Fusarium, Phytophthora, and Rhizoctonia solani, among which the control effect on Fusarium solani is 59.69% and the control effect on Phytophthora is 75%. The Pseudomonas can inhibit the growth of various plant pathogenic fungi, and can also promote the increase of the yield of Salvia miltiorrhiza, Chinese yam, Atractylodes macrocephala, honeysuckle, wheat and peanuts.

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 invention provides a compound having excellent control effect on plant diseases. The compound represented by formula (I) has excellent control effect on plant diseases.

The invention discloses a Paecilomyces lilacinus, a bacterial agent and a preparation method thereof, wherein the Paecilomyces lilacinus PM0327-3 has a preservation number of GDMCC No: 62375. The Paecilomyces lilacinus PM0327-3 has the ability of resistance to metabolite antagonism, high temperature resistance, acid and alkali resistance, and has good application prospects.

The present invention provides a compound having excellent control effect on plant diseases. The compound represented by formula (I) [wherein R represents 2-hydroxypropane-2-yl or 1-propylene-2-yl.] has excellent control effect on plant diseases.

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 relates to the technical field of plant growth regulators, in particular to a high-yield corn cultivation method. The invention provides a high-yield corn cultivation method which comprises the following steps: (1) mixing corn with a coating agent for coating treatment, and then planting; (2) spraying a plant growth regulator in an elongation stage, a large bell mouth stage and a tasseling and spinning stage; (3) harvesting the corn in a full ripening stage. The high-yield cultivation method for the corn can effectively promote growth of the corn and remarkably improve the yield of the corn, and has the excellent technical effect of preventing and treating corn diseases and insect pests.

The present invention provides a compound having excellent control effect on plant diseases. 1 and R 2 For R 1 represents a hydrogen atom and R 2 represents 1-propylene-2-yl or 2-hydroxypropane-2-yl, or, R 1 With R 2 The compounds represented by ] have excellent control effects on plant diseases.

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 present invention provides a compound having excellent control effect on plant diseases. The compound represented by formula (I) [wherein R represents a chlorine atom or a hydroxyl group.] has excellent control effect on plant diseases.

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 present invention relates to the field of biotechnology, and specifically to the use of a protein in regulating intestinal homeostasis and resisting pathogenic bacteria infection. The protein regulating intestinal homeostasis in the present invention effectively prevents and treats diseases caused by exogenous pathogenic bacteria by maintaining the dynamic balance of intestinal flora and the integrity of the intestinal epithelial barrier. Through gene silencing, it is clear that the target protein plays a role in the intestine of shrimp, and it is determined that it can affect the abundance of intestinal flora and intestinal tissue morphology, thereby affecting the survival of shrimp. The recombinant protein was further purified by prokaryotic expression and applied to shrimp. It was found that the recombinant protein increased the survival rate of shrimp under Vibrio parahaemolyticus infection and alleviated tissue damage caused by Vibrio parahaemolyticus infection. The technology of using the target protein to enhance intestinal homeostasis and then defend against pathogenic bacteria infection has the characteristics of green environmental protection, simple operation, long-term effectiveness, etc., and provides an efficient and safe solution for shrimp farming, with broad application prospects and economic benefits.

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 present invention provides a compound having excellent control effect on plant diseases. The compound represented by formula (I) [wherein R represents 2-hydroxypropane-2-yl or 1-propylene-2-yl.] has excellent control effect on plant diseases.

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.