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663 results about "Root rot" patented technology

Root rot is a disease in plants, in which the roots of a plant rot and decay.

Stable fertilizer for preventing and treating peanut root rot and preparation method thereof

The invention relates to the field of fertilizers, in particular to a stable fertilizer for preventing and treating peanut root rot and a preparation method thereof, and the fertilizer comprises a fertilizer inner core layer, a nano microbial metabolite layer and a microbial protective layer from inside to outside. According to the stable fertilizer for preventing and treating peanut rhizome rot, the capsule embedding inhibitor made of humic acid and the trichoderma aureoviride metabolite are adopted to construct a dual nitrification inhibition system, and the capsule embedding inhibitor and the trichoderma aureoviride metabolite have a synergistic effect, so that the nitrification effect is reduced, the nitrogen fertilizer utilization rate is increased, and non-point source pollution is reduced.
Owner:XINYANGFENG AGRI TECH CO LTD

Bacillus velezensis YB-1652, biocontrol inoculant and application of biocontrol inoculant

The invention discloses bacillus velezensis YB-1652, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum, and aims to solve the technical problem of lack of effective biological control measures for continuous accumulation of peanut phenolic acid autotoxic substances and pathogens in continuous cropping. According to the application, a bacillus velezensis YB-1652 strain is separated and screened from rhizosphere soil of continuous cropping peanuts, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.36152. The strain has the capability of efficiently degrading phenolic acid compounds, relieves continuous cropping obstacles and improves the soil environment; the compound has a relatively strong inhibition effect on southern blight and root rot of peanuts, and the occurrence rate of soil-borne diseases is reduced; meanwhile, peanut growth can be promoted; the bacillus amyloliquefaciens has siderophore, cellulase, beta-glucanase, amylase power and protease production capacity. The YB-1652 strain and the preparation thereof can provide technical support for restoration of peanut continuous cropping obstacles, provide bacterial source guarantee for prevention and treatment of peanut soil-borne diseases, replace or reduce use of chemical pesticides and improve food and ecological environment safety, and have good economic and social benefits.
Owner:INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI

Burkholderia gladioli and application thereof

ActiveCN120485047ABiocidePlant growth regulatorsTherapeutic effectDiaporthe eres
The invention discloses a Burkholderia gladioli (Burkholderia gladioli) CT-5 strain and an application of the Burkholderia gladioli CT-5 strain, and relates to the technical field of microorganisms. The strain is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M20242732, and the preservation date is December 05, 2024. The Burkholderia gladioli (Burkholderia gladioli) CT-5 provided by the invention has a remarkable prevention and treatment effect (Plt, Plt) on idesia root rot caused by Fusarium solani (Fusarium solani), and the Burkholderia gladioli (Burkholderia gladioli) CT-5 has a remarkable prevention and treatment effect on idesia root rot caused by Fusarium solani (Busarium solani). The compound has the advantages that the compound can be used for inhibiting pathogenic bacteria of various plants, and the compound can be used for inhibiting pathogenic bacteria of various plants, such as Schizophyllum commune, Diaporthe erens, Colletotrichum acutatum and the like, and has a remarkable inhibiting effect on other various plant pathogenic bacteria such as the Schizophyllum commune, the Diaporthe erens, the Colletotrichum acutatum and the like. In a pot experiment, the biomass, soil nutrients, SOD, POD and CAT enzyme activities of idesia polycarpa seedlings in a CT-5 treatment group are remarkably improved compared with those of a pathogenic bacteria control group (FP) (Plt; 0.05), which indicates that the strain can promote plant growth and activate the activity of defensive enzyme in the body, so that effective control of idesia root rot is realized, and powerful theoretical basis and technical support are provided for sustainable development of idesia.
Owner:GUIZHOU ACAD OF FORESTRY SCI

Planting auxiliary device

In order to solve the problems of planting liquid storage and scientific planting liquid supply under the long-time unattended condition and realize controllable long-time unattended planting liquid supply, the invention discloses a planting auxiliary device which comprises a liquid storage container body and an integrated liquid supply assembly, and belongs to the field of planting devices. The liquid storage container body is provided with a surrounding or semi-surrounding hollow penetrating type structure to form a hollow space for vertically arranging the planting pots side by side; the upper opening is used for ventilating, adding or extracting planting liquid; a hanging hook, a supporting leg, scale marks, a handle, a partition plate and other components can be selectively arranged. The liquid storage container body can also integrate a water absorption rope, a capillary rod, an intelligent liquid supply device and other components. The problems of planting liquid storage and supply under the unmanned condition for a long time can be solved, a large placing space cannot be occupied, drainage and ventilation of the planting pot cannot be disturbed, and the problems that the water content of the bottom of soil is too high, and roots are rotted due to liquid supply from the bottom can be effectively solved by vertically arranging the planting pot side by side.
Owner:邱译萱

Multi-character collaborative screening and breeding method for dipsacus asper germplasm resources

The invention relates to the technical field of teasel breeding, and discloses a teasel germplasm resource multi-character collaborative screening breeding method, which comprises the following steps: multi-omics data acquisition: extracting teasel germplasm leaf DNA (deoxyribonucleic acid), and capturing exon regions of disease resistance and metabolism related genes by adopting a targeted sequencing technology to obtain an SNP (single nucleotide polymorphism) marker matrix; the method comprises the following steps: collecting root extracts, detecting medicinal components through ultra-high performance liquid chromatography-mass spectrometry, and constructing a metabolite abundance matrix; measuring phenotype data of plant height, root length, root weight, root rot morbidity and survival rate under drought stress; key site and metabolite correlation analysis: constructing a Bayesian network containing SNP markers, metabolite and phenotypes by using a graph database, and carrying out cross validation through a leave-one-out method. The dipsacus asper germplasm resource multi-character collaborative screening breeding method aims at solving the problem that a traditional breeding method lacks systematic integration analysis of genomes and metabolic pathways in dipsacus asper multi-character collaborative improvement.
Owner:柯富奇

Talaromyces purpurogenum as well as fermentation supernatant and application thereof

The invention discloses talaromyces purpurogenum as well as a fermented supernatant and application thereof. The preservation number of the talaromyces purpureogenus F-4 is CCTCC NO: M 20252023, and the talaromyces purpureogenus F-4 has the growth promoting effects of dissolving phosphorus, fixing nitrogen and generating siderophores, also has the disease preventing and treating effects of preventing and treating garlic root rot, potato scab and wheat stem rot, and also can resist salt stress, alkali stress, salt-alkali composite stress, heavy metal stress and osmotic pressure stress. The fermentation supernatant of the talaromyces purpureus F-4 can be used for inhibiting the growth of fusarium solani spores, streptomyces botrytis spores and fusarium pseudograminearum and the germination of the spores of the fusarium solani, the streptomyces botrytis and the fusarium pseudograminearum. The talaromyces purpurogenus and the fermented supernatant thereof can effectively control the growth and reproduction of plant pathogens, reduce the risk of disease occurrence, reduce the dependence on chemical pesticides, and reduce the risk of environmental pollution and agricultural product residues, and have important significance for promoting the sustainable development of agriculture.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

A gene GmCDK8 for negatively regulating soybean resistance to Phytophthora spp. and its application

The present invention discloses a gene, GmCDK8, that negatively regulates soybean resistance to Phytophthora spp., and its applications. The disclosed GmCDK8 knockout soybean plants exhibit enhanced resistance to the fungus. Specifically, the results of the soybean cultivar "Williams 82," which lacks GmCDK8, under Phytophthora stress, including root lesion length, leaf lesion area, Phytophthora accumulation, and infected necrotic area on leaves, indicate that knocking out GmCDK8 significantly improves plant resistance to Phytophthora spp. Genetic engineering of this gene for plant resistance to Phytophthora root rot not only provides an important genetic resource for plant molecular breeding but also offers an effective means for achieving high plant yields.
Owner:NANJING AGRICULTURAL UNIVERSITY

A microbial inoculant for controlling peanut root rot and its preparation method

This invention discloses a microbial inoculant for controlling peanut root rot and its preparation method, belonging to the field of microbial materials technology. This invention screened and obtained a *Trichoderma harzianum* strain with highly efficient inhibitory effects against the pathogen causing peanut root rot. Firstly, the strain itself exhibits antagonistic activity against the peanut pathogen. Secondly, it was prepared as a spore suspension and fermented in solid-state with rice husks and wheat bran. During the solid-state fermentation process, the metabolites produced by *Trichoderma harzianum* promote the growth and development of plant roots, increasing plant biomass and yield. This microbial inoculant effectively controls peanut root rot, exhibiting good inhibitory effects against the pathogen, thus improving peanut quality and disease resistance. Furthermore, it improves soil ecological activity to a certain extent, making it worthy of application and promotion.
Owner:SHANDONG ZHIZHIYUAN ECOLOGICAL ENG CO LTD

Gene GmCDK8 for negative regulation of phytophthora sojae resistance and application of gene GmCDK8

The invention discloses a gene GmCDK8 for negative regulation and control of phytophthora sojae resistance and application of the gene GmCDK8. GmCDK8-knocked-out soybean plants disclosed by the invention enhance the resistance of soybeans to phytophthora sojae; the results of root scab length, leaf scab area, phytophthora accumulation amount, leaf infected and necrotic areas and the like of the soybean cultivar Williams 82 without the GmCDK8 under the stress of phytophthora show that the resistance of the plant to the phytophthora can be remarkably improved by knocking out the GmCDK8. Genetic engineering improvement of plant phytophthora root rot resistance is carried out through the gene, important gene resources are provided for plant molecular breeding, and an effective means is provided for high yield of plants.
Owner:NANJING AGRICULTURAL UNIVERSITY

Mucor irregularly and application thereof

The invention discloses Mucor irregularia and application thereof, the strain number of the Mucor irregularia is JSAFC 3408, the Mucor irregularia is preserved in China General Microbiological Culture Collection Center (CGMCC) on May 6, 2025, and the preservation number is CGMCC No.41982. The Mucor irregularia has the advantages that the Mucor irregularia has the advantages that the Mucor irregularia can be used for preparing the Mucor irregularia; according to the application, the soil around the pepper is separated and purified, so that the Mucor irregularia is obtained. The strain can inhibit the growth of the huanghuai glossospora, promote the development of the pepper and regulate the growth of plants, and has great significance for the development of a biocontrol fungicide for preventing and treating the pepper root rot in the future.
Owner:JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY

Brevibacillus laterosporus and application thereof

The invention provides brevibacillus laterosporus LY15-1 and application of the brevibacillus laterosporus LY15-1, the brevibacillus laterosporus LY15-1 is preserved in China General Microbiological Culture Collection Center on February 8, 2025, and the preservation number of the brevibacillus laterosporus LY15-1 is CGMCC No. 33504. The brevibacillus laterosporus disclosed by the invention has excellent effects of promoting growth and preventing and treating root rot at the same time.
Owner:SINOFERT HOLDINGS +2

Carbon-fungus symbiont used in freeze-thaw environment and preparation method and application of carbon-fungus symbiont

The invention relates to the technical field of soil remediation, in particular to a charcoal-fungus symbiont for a freeze-thaw environment and a preparation method and application of the charcoal-fungus symbiont. The preparation method of the charcoal-fungus symbiont comprises the following steps: crushing a biomass raw material, and carrying out pyrolysis to prepare basic charcoal; placing the basic biochar in an iron oxide solution, and carrying out an iron oxide loading reaction to obtain iron oxide biochar; the preparation method comprises the following steps: dipping iron oxide biochar in a chitosan solution for coating modification, then continuously adding a cross-linking agent for cross-linking solidification, and freeze-drying to obtain chitosan-iron oxide composite modified biochar; and immersing the chitosan-iron oxide composite modified biochar into a bacterial suspension of functional microorganisms, oscillating and adsorbing, and freeze-drying to obtain the carbon-bacteria symbiont. The invention aims to improve the heavy metal pollution phenomenon of soil and the soybean root rot disaster in the freezing and thawing cycle environment at the same time.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Microbial agent for improving yield and quality of strawberries as well as preparation method and application of microbial agent

The invention discloses a microbial agent for improving the yield and quality of strawberries and a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises the following raw materials in parts by weight: 40-50 parts of a compound microbial agent, 0.3-0.5 part of xanthan gum, 1.5-2 parts of glycerol, 4-5 parts of a citric acid-sodium citrate buffer solution, 1-1.5 parts of potassium humate, 0.3-0.5 part of monopotassium phosphate, 0.2-0.3 part of chelated calcium magnesium and the balance of water, wherein the total parts by weight of the raw materials are 100; the compound microbial agent is prepared from arthrobacter Xinjiang, linear Prussella bursa-pastoris and bacillus coagulans. The microbial agent disclosed by the invention can be used for effectively preventing and treating strawberry diseases, including root rot, fusarium wilt, gray mold and anthracnose; through the synergistic effects of hormone secretion, nutrient activation, disease inhibition and the like, the microbial agent comprehensively promotes root development and nutrient absorption of strawberry plants, promotes strawberry growth, remarkably improves the strawberry yield and fruit quality, and meanwhile remarkably reduces the strawberry storage rotting rate.
Owner:HUBEI MAOSHENG BIOLOGY CO LTD

Rhodoella malayi as well as fungicide and application of Rhodoella malayi

The invention provides a moniliella malayi and a fungicide and application thereof, and relates to the field of microorganisms. The acer rubrum is specifically acer rubrum RA, and the preservation number of the acer rubrum RA is CGMCC (China General Microbiological Culture Collection Center) No.35889. The acer rubrum RA can be used for preparing the acer rubrum. The strain has the capability of decomposing inorganic phosphorus, is wide in phosphorus-dissolving range, can decompose tricalcium phosphate, iron phosphate and aluminum phosphate, and particularly still has very strong capability of decomposing inorganic phosphorus under a low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases, and can inhibit diseases such as corn root rot, sorghum leaf spot or wheat root rot; the strain can be colonized in a soil environment of 5-40 DEG C, a microbial inoculum prepared from the strain can promote crop growth, the crop yield is remarkably improved, and high yield can be achieved even if the usage amount of phosphate fertilizer is reduced.
Owner:SHAANXI FENGDAN BAILI BIOTECHNOLOGY CO LTD

Application of overexpressed soybean GmMYB306 gene in preparation of product for improving resistance of crops to soybean phytophthora root rot

The invention relates to application of an overexpressed soybean GmMYB306 gene in preparation of a product for improving resistance of crops to soybean phytophthora root rot, and belongs to the technical field of bioengineering. The invention provides application of an overexpressed soybean GmMYB306 gene in preparation of a product for improving the resistance of crops to soybean phytophthora root rot. The nucleotide sequence of the soybean GmMYB306 gene is shown as SEQ ID NO. 1. The soybean GmMYB306 protein disclosed by the invention can interact with a disease-resistant related protein GmNPR1, and the defense capability of soybean plants to phytophthora sojae is improved by regulating and controlling the expression of a crop disease course related gene GmPR1, so that the soybean GmMYB306 protein plays an important role in improving the resistance of the soybean plants to phytophthora sojae root rot.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Primer, kit and method for detecting crop root rot fusarium solani and application

The invention relates to the technical field of phytopathogen detection, and particularly discloses a primer, a kit and a method for detecting crop root rot fusarium solani and application, the primer comprises a specific RPA primer RPA-F and a specific RPA primer RPA-R; the specific RPA primer RPA-F is as shown in SEQ ID NO. 1, and the specific RPA primer RPA-R is as shown in SEQ ID NO. 2; the kit further comprises a guide RNA primer crRNA, and the guide RNA primer crRNA is as shown in SEQ ID NO. 3. The kit comprises a specific RPA primer RPA-F, a specific RPA primer RPA-R, a Cas12 protein, a T7 transcriptase, a crRNA DNA template, a DNA polymerase and a Cas12 / 13 nucleic acid detection test strip. The kit has the characteristics of good sensitivity, relatively good specificity and enough reliability.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Paenibacillus polymyxa and application thereof in biocontrol and growth promotion

The invention belongs to the technical field of microorganisms and biological control, and particularly relates to paenibacillus polymyxa and application thereof in biocontrol and growth promotion. Specifically, a strain of paenibacillus polymyxa GLZ219 is obtained through screening, and experiments prove that the paenibacillus polymyxa GLZ219 has a relatively high bacteriostasis rate on pathogenic bacteria of tomato neck and root rot; meanwhile, the strain has a good antagonistic effect on nine common plant pathogens such as Rhizoctonia solani and the like, and can be widely applied to green prevention and control of various crop diseases. Besides, the paenibacillus polymyxa GLZ219 has nitrogen fixing and potassium dissolving capabilities, can secrete heteroauxin and siderophores, and can effectively promote the growth of tomato plants, the plant height of tomato seedlings treated by fermentation liquor of the paenibacillus polymyxa GLZ219 is remarkably increased, diseases can be prevented and controlled, the growth vigor of crops can be improved, the yield and quality of the crops can be improved, and the paenibacillus polymyxa GLZ219 has a wide application prospect.
Owner:SHANDONG ACADEMY OF AGRICULTURAL SCIENCES

Specific detection target PsRrp8 of phytophthora sojae as well as detection primer and application thereof

The invention discloses a specific detection target PsRrp8 of phytophthora sojae, a DNA (deoxyribonucleic acid) sequence of the specific detection target PsRrp8 is shown as SEQ ID NO.1. The invention further provides a primer combination for detecting the phytophthora sojae, the primer combination comprises a forward primer and a reverse primer, the sequence of the forward primer PsRrp8-qPCR-F1 is shown as SEQ ID NO.2, and the sequence of the reverse primer PsRrp8-qPCR-R1 is shown as SEQ ID NO.3. The invention further provides a kit for detecting the phytophthora sojae. The lowest detectable DNA concentration of the detection primer combination provided by the invention on the phytophthora sojae (P.sojae) is 0.332 pg.L <-1 >, which indicates that the quantitative detection technology has high sensitivity. The method can be successfully applied to phytophthora detection of phytophthora root rot disease field plants, phytophthora sojae can be rapidly detected, and a new technical means is provided for early warning of diseases.
Owner:SANYA INSTITUTE OF NANJING AGRICULTURAL UNIVERSITY +1

Bactericidal composition containing WML-01 and triazole compound as well as preparation and application thereof

The invention discloses a bactericidal composition containing WML-01 and a triazole compound, and is characterized in that the bactericidal composition is composed of the WML-01 and the triazole compound, and the mass ratio of the WML-01 to the triazole compound is (10: 1)-(1: 10). The bactericidal composition taking the WML-01 and the triazole medicament as effective components has a synergistic effect on prevention and treatment of rice bakanae disease, wheat stem rot, wheat scab, plant root rot and sclerotinia rot of colza, can effectively improve the disease prevention and treatment effect, reduces the pesticide consumption, delays the occurrence of drug resistance, improves the crop yield, and has a good application prospect. The method is safe, effective and economical, and has a wide market application prospect.
Owner:CHINA AGRI UNIV SANYA RES INST +1

Application of microbacterium oxydans XZT347 in prevention and treatment of plant diseases

PendingCN121058690ABiocideBacteriaBiotechnologyMicrobacterium oxydans
The invention belongs to the technical field of fermentation engineering and microbial disease prevention and control, and particularly relates to application of microbacterium oxydans XZT347 in prevention and control of plant diseases. Experimental results show that the infection rates of the Microbacterium oxydans XZT347 to pepper root rot bacteria, cucumber target leaf spot bacteria, eggplant fusarium wilt bacteria, tomato gray mold bacteria and tea anthracnose bacteria are 10.0%, 13.3%, 20.0%, 6.7% and 10.0% respectively, and the morbidity of pepper root rot, cucumber target leaf spot, eggplant fusarium wilt, tomato gray mold and tea anthracnose is remarkably reduced.
Owner:HUNAN INST OF MICROBIOLOGY +1

Flavobacterium ginsenoside variant DG-16 and application thereof in relieving continuous cropping obstacle of angelica sinensis and improving quality of angelica sinensis

The invention belongs to the technical field of biological agents, and particularly relates to ginsenoside variant flavobacterium DG-16 and application thereof in relieving continuous cropping obstacles of angelica sinensis and improving the quality of the angelica sinensis. According to the ginsenoside variant flavobacterium DG-16 disclosed by the invention, the growth of angelica sinensis is promoted by increasing the contents of jasmonic acid and cytokinin hormones, reducing the contents of gibberellin and salicylic acid hormones and promoting the circulation and utilization of nitrogen; in addition, the flavobacterium ginsenoside variant DG-16 can significantly increase the chlorophyll content, is beneficial to photosynthesis of the angelica sinensis, effectively changes the physiological and biochemical states of the angelica sinensis, can resist root rot of the angelica sinensis so as to relieve successive cropping obstacles and improve the quality, and has a significant effect.
Owner:GANSU ACAD OF SCI INST OF BIOLOGY +1

Bacillus flexus strain BJ699 and application thereof in strawberry production

The invention belongs to the technical field of agricultural microorganisms, and discloses a bacillus flexus strain BJ699 and application thereof in strawberry production. Specifically, the invention provides a novel bacillus flexus strain BJ699, and the preservation number of the strain BJ699 in the China Center for Type Culture Collection is CCTCC (China Center for Type Culture Collection) NO: M20252013. The invention also provides a microbial agent containing the strain BJ699 as an active component and application of the strain BJ699 in preparation of a microbial agent for prevention and control of strawberry root rot pathogenic bacteria and / or degradation of pyraclostrobin. The new strain or the microbial agent containing the strain comes from the natural environment, has no cross resistance to existing bactericides and insecticides, has the advantages of high efficiency, low toxicity, no environmental pollution, low possibility of drug resistance generation and the like, and has a wide application prospect.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI +1

Trichoderma asperellum and application thereof

The invention relates to the technical field of agricultural microorganisms, in particular to trichoderma asperellum and application thereof. The Trichoderma asperellum disclosed by the invention is preserved in the China Center for Type Culture Collection on October 25, 2023, and the preservation number of the Trichoderma asperellum is CCTCC (China Center for Type Culture Collection) NO: M20232021. The trichoderma asperellum provided by the invention has a relatively strong inhibition effect on onion specialized fusarium oxysporum, and has a good prevention and treatment effect on onion root rot; the fertilizer has strong salt and alkali resistance, can promote growth of onions under a salinization condition, improve growth traits and fruit quality of the onions, increase the yield of the onions, improve physicochemical properties of salinized soil and change abundance of microflora of the soil; in addition, the disinfectant is safe and convenient to use, non-toxic, harmless, non-corrosive, harmless to human, livestock, animals and plants, free of environmental pollution and ecological in safety.
Owner:ZHANGYE OLYMBEL BIO TECH +2

Synergistic composition for preventing and treating celery root rot and application

The invention relates to a synergistic composition for preventing and treating celery root rot. The tannic acid and fludioxonil in the synergistic composition disclosed by the invention show a relatively good synergistic effect in a compounding mass ratio range of (1: 50)-(50: 1). According to the synergistic composition disclosed by the invention, tannic acid with weak bacteriostatic activity on celery root rot and fludioxonil with excellent bacteriostatic activity are compounded for use, so that a remarkable synergistic effect is achieved, the prevention and treatment effect is far higher than that of a single agent, and the synergistic effect is achieved by reducing pesticide. Besides, according to the synergistic composition disclosed by the invention, the plant source tannic acid and the chemical bactericide fludioxonil are compounded for use, and the use amount of chemical agents is reduced, so that the resistance risk of the chemical bactericide is reduced, pesticide residues and ecological environment pollution are reduced, and the synergistic composition has a good application prospect.
Owner:TIANJIN ACAD OF AGRI SCI

Alfalfa root rot prediction method based on pathogenic bacteria classification and data fusion

The invention relates to the crossing field of agricultural disease monitoring and plant pathology, in particular to an alfalfa root rot prediction method based on pathogenic bacteria classification and data fusion. The method comprises the following steps: separating and purifying alfalfa root rot pathogenic bacteria and identifying types to construct a pathogenic bacteria database; carrying out an indoor artificial contamination test, and collecting hyperspectral data and binocular depth camera point cloud structure characteristics at different disease stages; in combination with multispectral / hyperspectral and point cloud data of a field unmanned aerial vehicle, multi-temporal information of healthy and diseased plants is tracked and marked. After vegetation index screening and principal component analysis dimensionality reduction, a multi-classification model is used for training, spectrum-structure feature generality of indoor and outdoor diseased plants is mined, and an early prediction model is constructed. According to the method, pathological diagnosis, spectral remote sensing and machine learning technologies are fused, cross-scale correlation analysis of pathogenic bacteria classification and field phenotypic characteristics is achieved, technical support is provided for accurate early warning of alfalfa root rot in the early stage, and the problems of traditional detection lagging and data isolation are solved.
Owner:CHINA AGRI UNIV

Composition for preventing and treating eggplant root rot

The invention discloses a composition for preventing and treating eggplant root rot, and relates to the technical field of biological prevention and treatment. The composition consists of three parts, namely a double-stranded RNA (Ribonucleic Acid) delivery body controlled by a kaolinite nanotube-metal polyphenol network-boric acid ester, a nitric oxide / hydrogen sulfide double-pulse microcapsule and volatile organic compound particles of beta-cyclodextrin cross-linked aerogel, wherein the three parts are matched according to the total mass ratio of 1: (0.8-1.5): (0.8-1.2). Through structural design, time sequence release of non-overlapping peak values is realized, and a prevention and control mode for inhibiting environment enhancement host precise silencing is formed. The deliverer can be selectively disintegrated under the condition of pathogen-induced organic acid, iron chelating agent and hydrogen peroxide, so that the targeted release of the double-stranded RNA is realized; the double-pulse microcapsule respectively releases nitric oxide and hydrogen sulfide in a transplanting stress stage and an early disease stage, and induces host defensive gene expression; the aerogel particles continuously release 2, 3-butanediol and aromatic aldehyde to inhibit germination of pathogenic bacteria and serve as rhizosphere signals to enhance host resistance.
Owner:HONGHE PINGBIAN TIANSHI AGRI TECH DEV CO LTD

Water-fertilizer integrated double-film efficient cultivation method for pepper

The invention discloses a pepper water-fertilizer integrated double-film efficient cultivation method, which belongs to the technical field of pepper planting, and is realized through four steps of soil preparation and ridging, sowing, seedling raising and transplanting, double-layer functional mulching film laying and furrow irrigation. Through staggered arrangement design of the vent holes and accurate arrangement of the vent holes in a specific radius range around a pepper transplanting hole, the uniformity of oxygen supply of a root zone is effectively guaranteed, root rot and diseases caused by local oxygen deficit are prevented, and high-quality development of pepper root systems is realized by combining a temperature and humidity coordinated regulation function of a double-film structure; the efficient absorption of nutrient substances is promoted. Compared with traditional film mulching or non-film mulching furrow irrigation treatment, the double-film furrow irrigation system has the advantages that the irrigation amount of each time is only 1.023 m < 3 > / hm < 2 > under the same cultivation condition, the water saving amplitude reaches 65% or above, and the water resource utilization efficiency is remarkably improved.
Owner:GANSU RES INST OF AGRI ENG TECH

Salt-tolerant bacillus Bah-38 strain and application thereof

The invention provides a salt-tolerant bacillus strain Bah-38, the classification name of the salt-tolerant bacillus strain Bah-38 is the salt-tolerant bacillus strain Bah-38, the salt-tolerant bacillus strain Bah-38 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the salt-tolerant bacillus strain Bah-38 is CGMCC NO.33642. The invention further provides a preparation method of the salt-tolerant bacillus strain Bah-38. According to the invention, a confrontation culture test proves that the Bah-38 strain has a bacteriostatic effect on fusarium solani, and the inhibitory effect of the strain on the fusarium solani reaches 51.4%. In a potting inoculation test, the prevention and control effect on the root rot caused by fusarium solani reaches 70.6% after the fermentation liquor of the strain is subjected to root irrigation treatment. Meanwhile, the obvious growth promoting effect is achieved. The fusarium solani has a high and stable control effect on fusarium solani, and is suitable for agricultural production requirements.
Owner:INSTITUTE OF VEGETABLES & FLOWERS CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Bacillus velezensis and application thereof in plant disease control

The invention belongs to the technical field of microorganisms, and discloses bacillus velezensis and application thereof in plant disease control. A bacillus velezensis strain is separated and screened from rhizosphere soil of a wolfberry plant in a Nomuliflood farm in Qinghai province, the strain is bacillus velezensis G3 and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No. 36136. The bacterial strain has a better antibacterial effect on pathogenic bacteria fusarium oxysporum of Chinese wolfberry root rot, also has an inhibiting effect on pathogenic bacteria of Chinese wolfberry verticillium wilt, botrytis cinerea, sclerotinia rot of colza, alternaria alternata, apple anthracnose, apple rot, pear wilt and wheat scab, and has broad-spectrum antibacterial activity; wide application prospects are realized in plant disease prevention and treatment.
Owner:SHENZHEN RESEARCH INSTITUTE OF NORTHWEST A & F UNIVERSITY

Digital comprehensive management system and method for radix ranunculi ternati planting

PendingCN120323316AGrowth substratesCulture mediaRanunculus ternatusRoot rot
The invention discloses a digitized comprehensive management system and method for radix ranunculi ternati planting, and relates to the technical field of radix ranunculi ternati planting. The digitized comprehensive management system comprises a radix ranunculi ternati root system cultivation parameter determination module, a radix ranunculi ternati growth regulation and control module and a data warehouse. Planting is conducted in a rotary seedbed mode, planting of the radix ranunculi ternati is effectively introduced into a factory, factory planting of the radix ranunculi ternati is guaranteed, and the yield of the radix ranunculi ternati is increased; according to the method, the radix ranunculi ternati is planted through the method that the upper portion is dry and the lower portion is wet, the adaptability to the fleshy root structure of the radix ranunculi ternati is high, the rotten root rate is effectively reduced, the culture fermentation formula of the radix ranunculi ternati is determined, nutrients are rich, the soil improvement effect is guaranteed, and healthy growth, the growth speed and the quality of the radix ranunculi ternati are effectively guaranteed; the method adopts weak light stress to delay maturation, regulates and controls the harvesting time, and improves the content and activity of medicinal components.
Owner:JIANGSU JIADEHUA AGRI SCI & TECH RES INST CO LTD