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38 results about "Capsicum cardenasii" patented technology

Capsicum cardenasii is a plant species in the genus Capsicum and the family Solanaceae. It is a diploid with 2n=2x=24. It is a member within the C. pubescens complex, a group of closely related Capsicum species. It is closely related to C. eximium. It is native to the Andes, and it can be found in Bolivia and Peru . The native name is ulupica.

Saline-alkali tolerant strain capable of producing IAA and application thereof

PendingCN120349910ABiocidePlant growth regulatorsBiotechnologyColletotrichum musae
The invention discloses and relates to a strain capable of resisting saline and alkaline and producing IAA (Indoleacetic Acid). The strain is classified and named as bacillus atrophaeus, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO.29799. The strain is preserved in China General Microbiological Culture Collection Center on January 29, 2024. The bacillus atrophaeus HHQGTS13-1 can grow under the condition that the salt content is higher than 3%, can generate indoleacetic acid, cellulase, amylase, protease and ligninase, can inhibit various plant pathogenic bacteria, such as banana anthracnose, tomato gray mold, cotton verticillium wilt, rice sheath blight disease, wheat head blight, banana fusarium wilt, capsicum white spot and the like, and can be used for preparing the bacillus atrophaeus HHQGTS13-1. Particularly, the compound plays an important role in preventing and treating wheat scab, banana anthracnose and capsicum white spot. The strain can promote plant growth in a saline-alkali environment, and can be used for improving soil quality, developing special microbial fertilizers, microbial agents and biopesticides for saline-alkali soil, relieving crop salt stress damage and increasing crop yield.
Owner:NANNING HARWORLD BIOLOGICAL TECH CORP

Bacillus velezensis XZT106 and application thereof

The invention belongs to the technical field of fermentation engineering and microbial disease control, and particularly relates to bacillus velezensis XZT106 and application thereof. The invention provides bacillus velezensis XZT106, the preservation number of the bacillus velezensis XZT106 is CCTCC (China Center For Type Culture Collection) M 2025518, and tests show that the bacillus velezensis XZT106 can be used for treating phellinus noxius, botrytis cinerea, colletotrichum gloeosporioides, alternaria tenuissima, fusarium oxysporum, phytophthora capsici and fusarium solanum s.
Owner:HUNAN INST OF MICROBIOLOGY +1

Trichoderma brevicompactum 6311 with phytophthora capsici biological control capability and application

ActiveCN119752641ABiocideFungiHypocotylTrichoderma brevicompactum
The invention belongs to the technical field of microorganisms, and discloses a Trichoderma brevicompactum 6311 with phytophthora capsici biological control ability, the name of the Trichoderma brevicompactum 6311 is 6311, the classification name of the Trichoderma brevicompactum is Trichoderma brevicompactum 6311, the preservation number of the Trichoderma brevicompactum 6311 is CGMCC No.41489, the preservation date of the Trichoderma brevicompactum 6311 is August 13, 2024, and the preservation unit of the Trichoderma brevicompactum 6311 is China General Microbiological Culture Collection Center, No. 3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing. The fermentation liquor of the trichoderma 6311 has the capability of inhibiting the growth of phytophthora hyphae on a flat plate, and the inhibition rate reaches 100%. The germination rate, radicle and hypocotyl length, growth index and fresh weight of the pepper seeds soaked in the 6311 fermentation liquor are improved. The research shows that the trichoderma brevicompactum 6311 has biological control potential and provides a theoretical basis for application of the trichoderma brevicompactum 6311 as a biological bactericide.
Owner:AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI +1

Use of 5,8,11-eicosatrienoic acid in the prevention and treatment of plant fungal diseases

The application discloses application of 5,8,11-eicosatrienoic acid in prevention and treatment of plant fungal diseases and belongs to the field of pesticide chemistry. The 5,8,11-eicosatrienoic acid mainly prevents and treats diseases caused by the oomycete class capsicum phytophthora, the compound is a long-chain unsaturated fatty acid, has an antifungal disease effect and can be used as a fungicide to prevent and treat plant diseases. The compound can effectively prevent pathogenic bacteria from invading plants by inhibiting mycelium growth, enhancing cell membrane permeability and interfering with the spore sac release process, and is further used for preventing and treating huge plant fungal diseases. Biological tests show that the compound has a significant concentration-dependent inhibitory effect on the mycelium growth of the capsicum phytophthora, and the half effective inhibitory concentration (EC50) is 60.2 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is more than 83%, the 5,8,11-eicosatrienoic acid can effectively inhibit the release of the capsicum phytophthora spore sac, and the EC50 is 156.3 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is morethan 77%.
Owner:HUAZHONG AGRI UNIV

A seed priming method for improving early disease resistance of pepper seeds

The invention discloses a seed priming method for improving the early disease resistance of pepper seeds, which belongs to the field of agricultural planting and comprises the following steps: S1, pre-cleaning: soaking the seeds in sodium hypochlorite and then washing with sterile deionized water; S2, pulse phosphorylation activation treatment: adding seeds and activation solution to a pressure-resistant polypropylene container connected to a vacuum pipeline, evacuating to 0.08 MPa after sealing, returning to normal pressure after maintaining for 5-10 minutes, and then transferring to a constant temperature oscillator for phosphorylation activation treatment; S3, immune training treatment: transferring the seeds after phosphorylation activation treatment to a priming solution containing a suspension of UV-inactivated Phytophthora capsici spores and H2O2, and intermittent ventilation treatment; S4, stabilization treatment: transferring the seeds after immune training treatment to an ascorbic acid solution for treatment, filtering, and drying in the shade to obtain pepper seeds. The present invention solves the problem of immune response interruption caused by insufficient signal intensity and rapid protein turnover when stimulating using a simulated environment in the prior art.
Owner:VEGETABLE RES INST OF GANSU ACAD OF AGRI SCI

Application of streptomyces roseosporus in plant disease control

ActiveCN121058695BBiocideOrganic chemistryBiotechnologyOxazolomycin
The application belongs to the technical field of microbial application, and specifically discloses application of roseofungin Streptomyces roseofunginus in plant disease prevention and treatment. The application finds that after R&M synthesis genes in roseofungin Streptomyces roseofunginus are knocked out, the strain can still synthesize oxazolomycin A. Further finding is that oxazolomycin A shows good inhibitory effect on pepper Phytophthora capsici and Phytophthora sansomei, wherein the EC 50 value of pepper Phytophthora capsici PC35 is 2.95 μg / mL, and the EC 50 value of atractylodes Phytophthora sansomei AMPH-1 is 2.39 μg / mL. The oxazolomycin A prepared by the application can be developed into a biological pesticide that can effectively meet the agricultural development demand of "green ecology", and provides key biocontrol resource support for green prevention and control of plant diseases.
Owner:HEBEI AGRICULTURAL UNIV.

L-carvone hydrazone derivative and application thereof

The invention discloses an L-carvone hydrazone derivative and an application thereof. The L-carvone hydrazone derivative disclosed by the invention has the advantages of low raw material cost, simple and convenient synthesis route and the like, and the obtained L-carvone hydrazone product has an excellent bacteriostatic effect on rhizoctonia solani, botrytis cinerea, sclerotinia sclerotiorum, fusarium graminearum, valsa mali and phytophthora capsici, and can be used for preventing and treating various plant fungal diseases.
Owner:NANJING AGRICULTURAL UNIVERSITY

Dehydroabietyl quaternary ammonium salt and application thereof

PendingCN120349249ABiocideOrganic compound preparationFusarium oxysporumCapsicum cardenasii
The invention discloses a dehydroabietyl quaternary ammonium salt of which the chemical structural formula is shown in the following formula. The dehydroabietyl quaternary ammonium salt can be used for effectively inhibiting the growth of valsa mali, Phytophthora capsici, Fusarium graminearum, Fusarium oxysporum f.sp.niveum and Alternaria solani, and the dehydroabietyl quaternary ammonium salt can be used for effectively inhibiting the growth of valsa mali, Phytophthora capsici, Fusarium graminearum, Fusarium oxysporum f.sp.niveum and Alternaria solani. The method has potential value in preparation of green pesticide bactericides, and can reduce adverse effects of the bactericides on the environment and human beings; # imgabs0 #
Owner:SOUTHWEST FORESTRY UNIVERSITY

Resistance to leveillula taurica in pepper

PendingUS20250280784A1Plant cellsPlant genotype modificationBiotechnologyGenomic interval
A Capsicum plant resistant to powdery mildew caused by the fungal pathogen Leveillula taurica, a cell, plant part or seed of the Capsicum plant and to methods for identifying it, and the use of the plants for improving the yield of pepper production in an environment infected by Leveillula taurica and / or for limiting or controlling an infection by Leveillula taurica; wherein, the Capsicum plant includes introgressed in its genome a quantitative trait locus (QTL) conferring resistance to powdery mildew, wherein the QTL is located on chromosome 6 within the genomic interval delimited by the marker PE-0014628 (SEQ ID NO: 1) and the marker PE-0021476 (SEQ ID NO: 37).
Owner:VILMORIN & CO

Composition comprising herbal extracts to alleviate snoring

PCT designated stage expiredWO2025114598A1Organic active ingredientsAntipyreticFamily ApiaceaeChronic sinusitis
The present invention relates to a composition comprising the combination of extracts from Centella asiatica or other members of the family Apiaceae, extract from the family Zingiberaceae, extract from the family Valerianaceae, extract from the family Capsicum, xylitol, sodium hyaluronate, glycerine, vitamins and minerals for treating and / or alleviating snoring, chronic sinusitis, cold, and / or obstructive sleep apnea in humans and animals.
Owner:NYX-MEDICO APS

A primer for detecting phytophthora capsici, application of the primer and a product and method for detecting phytophthora capsici

PendingCN122445834ABiotechnologyCapsicum cardenasii
The application relates to the technical field of plant disease detection, and discloses a primer for detecting pepper Phytophthora capsici, application of the primer, and a product and method for detecting pepper Phytophthora capsici. A high-specificity amplification primer is designed according to a specific sequence of a genome of pepper Phytophthora capsici, the primer can avoid interference of multiple related fungi, and can amplify a sufficient target for detection under a condition of low-abundance pathogenic bacteria; meanwhile, the provided amplification primer is combined with a CRISPR / Cas12a technology, rapid and accurate detection and identification of pepper Phytophthora capsici can be realized, and a very high sensitivity is achieved. In a limited environment, the detection system provided by the application is not only high in sensitivity and strong in specificity, but also short in time consumption and convenient in operation, and provides an effective tool for rapid identification of pepper Phytophthora capsici.
Owner:INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI

Continuous-cropping-resistant bacterial fertilizer based on bacillus velezensis and application of continuous-cropping-resistant bacterial fertilizer

The invention provides an anti-continuous cropping bacterial fertilizer based on bacillus velezensis and application of the anti-continuous cropping bacterial fertilizer. According to the invention, firstly, a strain of bacillus velezensis zhanshen-K1 is separated from soil for continuous cropping of hot peppers, and the preservation number of the strain of bacillus velezensis zhanshen-K1 is CGMCC (China General Microbiological Culture Collection Center) No.34459. The strain has the effects of fixing nitrogen, dissolving potassium, decomposing protein, producing exopolysaccharides, antagonizing various pathogenic bacteria such as fusarium fusiforme, fusarium asian, alternaria alternata and phytophthora capsici, degrading various phenolic acid autotoxic substances such as benzoic acid, p-hydroxybenzoic acid and cinnamic acid, and the like; and meanwhile, the continuous cropping-resistant bacterial fertilizer is prepared by adding wormcast and sodium humate into the compound serving as a main effective component, so that continuous cropping obstacles of crops can be reduced.
Owner:SHANDONG ZOETICLAND BIOLOGICAL TECH

Application of apigenin and cosmosiin in prevention and treatment of pepper phytophthora blight

PendingCN119678927ABiocideFungicidesCapsicum cardenasiiPhytophthora sp.
According to the application of the apigenin and the cosmosiin in prevention and treatment of the pepper phytophthora blight, the apigenin and the cosmosiin can effectively inhibit vegetative growth and sporangia formation of phytophthora capsici and are expected to be used for preparing novel green pesticides for resisting the pepper phytophthora blight, pesticide residues and resistance are reduced, and the prevention and treatment effect on the pepper phytophthora blight is improved.
Owner:HAINAN UNIV

Fungus strain 41233 from Western sand and application of fungus strain 41233

ActiveCN121975640ABiocideFungiBiotechnologyPlectosphaerella sp.
The invention discloses a fungus strain 41233 from Western sand and application of the fungus strain 41233, the taxonomic name of the fungus strain 41233 is Plectosphaerella sp., the preservation number of the fungus strain 41233 is GDMCC No.67505, and the preservation date of the fungus strain 41233 is December 19, 2025. The invention further discloses application of the fungus strain 41233 and a crude extract of the fungus strain 41233 in preparation of pathogenic bacterium inhibition products. The fungus strain 41233 sourced from Xiaxa has inhibitory activity on mango colletotrichum gloeosporioides and / or phytophthora capsici, and a crude extract of the fungus strain 41233 sourced from Xiaxa has inhibitory activity on various pathogenic bacteria such as colletotrichum gloeosporioides, phytophthora and fruit rot pathogens, and can be used for preparing biocontrol inoculants or further mining active natural products. And a new green prevention and control means is provided for plant disease prevention and control.
Owner:SANYA INSTITUTE OF NANJING AGRICULTURAL UNIVERSITY

Pesticide composition containing chloromethylsilazane and application of pesticide composition in plant disease prevention and growth promotion

ActiveCN121100941ABiocidePlant growth regulatorsBrassicaCapsicum cardenasii
The invention discloses a pesticide composition containing chloromethylsilazane and application of the pesticide composition in plant disease prevention and growth promotion, and belongs to the technical field of biocide pesticides. According to the invention, the red date kernel extract and the digitaria sanguinalis extract are taken as synergistic extracts and are combined with the chloromethylsilatrane and the 14-hydroxy brassin to prepare the pesticide composition containing the chloromethylsilatrane. When the phytophthora capsici is applied to a test, in a pepper disease resistance test, the disease index is reduced to some extent, and the relative control effect is up to 79.45% at most, which indicates that the phytophthora capsici is inhibited; in the experiment of promoting the growth of the pepper, the plant height of the pepper plant in the compound group is 19.67 + / -0.23 cm, the stem diameter is 4.07 + / -0.05 mm, the dry weight of the overground part is 1.51 + / -0.11 g, the dry weight of the underground part is 0.39 + / -0.04 g, and the growth index is remarkably improved. The pesticide composition containing the chloromethylsilazane prepared by the invention can better inhibit phytophthora capsici, is suitable for developing pesticides for preventing and treating phytophthora capsici, and also has a better promoting effect on the growth of capsicum.
Owner:SHANDONG TONGFANG BIOTECHNOLOGY CO LTD

Application of natural product iheyamine A and derivative thereof in treatment of plant virus disease

The invention relates to application of bisindole alkaloid iheyamine A and derivatives thereof in treatment of plant virus pathogens, and finds that iheyamine A and derivatives I-1-I-15 thereof show good anti-plant virus pathogen activity for the first time, and can well inhibit tobacco mosaic virus (TMV), cucumber fusarium wilt, peanut brown spot, apple ring rot, wheat sheath blight, tomato early blight and rice blast. , phytophthora capsici and sclerotium of rape.
Owner:TIANJIN NORMAL UNIVERSITY

Method for creating anther-free pepper sterile line

PendingCN120113583APlant genotype modificationCapsicum cardenasiiCapsicum chinense
The invention relates to the field of agricultural planting, and particularly discloses a creation method of an anther-free pepper sterile line. According to the method, Capsicum baccatum L is used as a female parent, Capsicum chinense Jacq is used as a male parent, pollen of a male parent plant is used for pollinating flowers of the female parent plant, pollinated flowers are marked, fruits formed by the marked pollinated flowers are collected, seed production is performed to obtain F1-generation seeds, the F1-generation seeds are sown for seedling raising to obtain multiple F1-generation plants, the F1-generation plants are selfed to obtain F2-generation seeds, and the F2-generation pepper plants are sown. The method comprises the following steps: selecting an anther-free single plant as a female parent, carrying out multi-generation backcross on the female parent and a Capsicum chinense Jacq male parent, and continuously backcrossing for 5 generations to obtain an anther-free sterile line which keeps the character of the male parent, so as to create a novel pepper variety which has the excellent character and stable sterility of the Capsicum chinense Jacq male parent.
Owner:WENSHAN ZHUANG & MIAO AUTONOMOUS PREFECTURE ACAD OF AGRI SCI

Pantoea BG4-1 with growth promoting effect and application thereof

The invention relates to the technical field of microorganisms, in particular to pantoea BG4-1 with a growth promoting effect and application of the pantoea BG4-1. The pantoea BG4-1 is preserved in the China General Microbiological Culture Collection Center on June 20, 2025, and the preservation number of the pantoea BG4-1 is CGMCC NO.34960. The pantoea BG4-1 has relatively strong capabilities of dissolving phosphorus, dissolving potassium and producing IAA (Indoleacetic Acid), and has a remarkable growth promoting effect on capsicum and arabidopsis thaliana. According to the invention, a high-quality strain resource is provided for developing a novel efficient biological phosphorus-potassium fertilizer, the method has important meanings for improving the utilization rate of phosphorus and potassium elements in soil, reducing the application of chemical phosphorus-potassium fertilizers and promoting the sustainable development of agriculture, meanwhile, a new way is provided for resource utilization of invasive plants, and the ecological management concept of'taking harm as benefit 'is favorably realized.
Owner:GUIZHOU AGRI VOCATIONAL COLLEGE

Prediction method for infection success probability of pepper colletotrichum gloeosporioides and disease prevention method

The invention discloses a method for predicting the infection success probability of pepper colletotrichum gloeosporioides and a method for preventing diseases, which are characterized in that a prediction model of the integral value of the contribution degree of the temperature and the infection success probability of the colletotrichum gloeosporioides under saturated humidity is established to predict a time node with the success probability of 50%, so that targeted pesticide spraying prevention and control are carried out. By adopting the prediction model provided by the invention, the pathogen infection success probability condition can be pre-judged, so that precise pesticide application is performed, the control effect can be improved, the pesticide spraying frequency can be reduced, the pesticide application cost can be reduced, and pesticide residues can be reduced.
Owner:HEBEI AGRICULTURAL UNIV.

Ether-substituted alpha-methylene-gamma-butyrolactone compound as well as preparation method and application thereof

The invention discloses a benzyl ether and phenyl ether substituted alpha-methylene-gamma-butyrolactone compound as well as a preparation method and application of the benzyl ether and phenyl ether substituted alpha-methylene-gamma-butyrolactone compound. According to the invention, benzyl ether and phenyl ether groups containing different substituents are introduced into the gamma site of alpha-methylene-gamma-butyrolactone, so that a compound with a novel structure is obtained; the structure of the compound is shown as a formula I. The compound disclosed by the invention has broad-spectrum bactericidal activity, and particularly has an obvious inhibition effect on rhizoctonia solani, valsa mali, botrytis cinerea, gaeumania graminis, fusarium graminearum, Colletotrichum orbiculare and Phytophthora capsici, so that the compound disclosed by the invention has the advantages that the compound can be used for preparing medicines for preventing and treating diseases, and the compound can be used for preparing medicines for preventing and treating the diseases caused by the diseases such as the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases caused by the diseases. The compound can be used as a bactericide for preventing and treating agricultural diseases.
Owner:NORTHWEST A & F UNIV

Preparation method and application of quinoline ester compound

InactiveCN120136851ABiocideOrganic chemistry methodsCapsicum cardenasiiQuinoline
The invention relates to a preparation method and application of a quinoline ester compound, in particular to a trifluoromethyl-containing quinoline ester compound with a structural formula shown as follows: # imgabs0. The application of the trifluoromethyl-containing quinoline ester compound in prevention and treatment of plant fungi in agriculture or forestry. An activity result shows that the compound provided by the invention has a relatively good control effect on botryosphaeria dothidea, phytophthora capsici and sclerotinia sclerotiorum.
Owner:CHUXIONG NORMAL UNIV

Application of prohexadione calcium in improving infection resistance of pepper to phytophthora capsici

PendingCN121369383ABiocidePlant growth regulatorsBiotechnologyCapsicum cardenasii
The invention discloses application of prohexadione calcium in improving infection resistance of pepper to phytophthora capsici, and belongs to the technical field of plant disease control. The prohexadione calcium can increase the content of salicylic acid in the pepper body and activate SA synthesis and expression of a signal transduction related gene by spraying prohexadione calcium solutions with different concentrations to leaves in the growth period of the pepper. The invention provides a safe and effective new method for green prevention and control of pepper phytophthora blight, and the method has a good application prospect.
Owner:ZHEJIANG UNIV

Alkaloid derivative derived from marine fungi and application of alkaloid derivative in prevention and treatment of pepper phytophthora blight

The invention belongs to the field of marine natural product chemistry, and particularly relates to a marine fungus-derived alkaloid derivative and application thereof in prevention and treatment of pepper phytophthora blight. The marine fungus crude extract disclosed by the invention shows very strong antifungal activity on phytophthora capsici under the concentration of 300 mu g / mL. Seven monomeric compounds are separated and identified, NEA shows strong antifungal activity to phytophthora capsici and is stronger than positive control azoxystrobin, the NEA effectively inhibits hypha growth, sporangium formation and zoospore movement of phytophthora capsici hyphae, and meanwhile, the protective ability of pepper plants is enhanced; nEA causes obvious morphological change of phytophthora capsici protonema, so that cell membrane integrity damage, vacuole abnormal expansion, vacuole rupture, serious plasm-wall separation and disappearance of most organelles are caused. In addition, the content of MDA in the phytophthora capsici mycelium induced by the NEA is increased, the activity of antioxidant enzyme is reduced, and the level of soluble protein is reduced.
Owner:HAINAN NORMAL UNIV

5-substituted pyrimido pyrazolyl oxazoline compound as well as preparation method and application thereof

The invention belongs to the technical field of medicine innovation, and particularly relates to a 5-substituted pyrimido pyrazolyl oxazoline compound as well as a preparation method and application thereof. The 5-substituted pyrimido pyrazolyl oxazoline compound provided by the invention has a structure as shown in a formula 1, and comprises substituted pyrimido pyrazole and substituted oxazoline substructures, the compound has a remarkable inhibition effect on various plant pathogenic fungi (such as pyricularia oryzae, colletotrichum capsici, rhizoctonia solani, sclerotinia sclerotiorum, botrytis cinerea, fusarium graminearum, phytophthora capsici and the like), and is expected to be used as a novel bactericide candidate compound or directly used as a bactericide. Formula 1.
Owner:GUIZHOU UNIV

Bacillus velezensis MT1406 for antagonizing tomato fusarium oxysporum and application of bacillus velezensis MT1406

The invention belongs to the technical field of microorganisms, and particularly discloses bacillus velezensis MT1406 antagonizing tomato fusarium oxysporum and application of the bacillus velezensis MT1406 antagonizing tomato fusarium oxysporum. The bacillus velezensis MT1406 is classified and identified as bacillus velezensis, the preservation number is CGMCC No.34883, and the bacillus velezensis MT1406 is separated from rhizosphere soil of Motuo tomatoes in Tibet. The bacterial strain MT1406 has a bacteriostasis rate of 65.84% on tomato fusarium oxysporum (fusarium oxysporum), and has broad-spectrum antagonistic activity on five fungi such as botrytis cinerea and phytophthora capsici and one oomycete (phytophthora capsici); meanwhile, the strain has potassium dissolving capacity (capable of converting insoluble potassium in soil) and protease producing capacity (D / d value is 3.76). Pot experiments show that the control effect of the strain on tomato fusarium wilt reaches 67.78%, and the control effect is obviously better than that of 30% hymexazol and other microbial agents sold in the market. The strain MT1406 disclosed by the invention has the functions of inhibiting bacteria and promoting growth, is green and safe, can be used for preparing a tomato fusarium wilt biocontrol agent, and provides an efficient strain resource for green prevention and control of tomato fusarium wilt.
Owner:VEGETABLE RES INST OF TIBET ACADEMY OF AGRI & ANIMAL HUSBANDRY SCI

Application of streptomyces roseoflavus in prevention and treatment of plant epidemic diseases

ActiveCN121058695ABiocideOrganic chemistryBiotechnologyOxazolomycin
The invention belongs to the technical field of microorganism application, and particularly discloses application of streptomyces roseoflavus in prevention and treatment of plant epidemic diseases. The invention finds that Ramp in streptomyces roseoflavus; after the M synthesis gene is knocked out, the strain still can be used for synthesizing oxazomycin A. It is further found that the oxazomycin A shows a good inhibition effect on phytophthora capsici and phytophthora morsemeri, the EC50 value of phytophthora capsici PC35 is 2.95 [mu] g / mL, and the EC50 value of phytophthora morsemeri AMPH-1 of atractylodes macrocephala blight is 2.39 [mu] g / mL. The oxazomycin A prepared by the invention can be developed into a biological pesticide capable of effectively meeting the agricultural development requirements of green ecology, and a key biocontrol bacterium resource support is provided for green prevention and control of plant epidemic diseases.
Owner:HEBEI AGRICULTURAL UNIV.

Application of daidzin in preventing and controlling Phytophthora blight of pepper

ActiveCN116869003BBiocideFungicidesSporelingDaidzin
The present invention provides the application of daidzin in preventing and controlling Phytophthora capsici. Daidzin can effectively inhibit the vegetative growth of Phytophthora capsici, and is expected to be used for preparing a new type of fungicide against Phytophthora capsici, reducing pesticide resistance and improving the control effect on Phytophthora capsici. In the application of daidzin in preventing and controlling Phytophthora capsici provided by the present invention, it has a certain inhibitory effect on three types of spores produced by Phytophthora capsici. Daidzin at a concentration of 1 μM - 5 μM can induce apoptotic-like death of the spores of Phytophthora capsici, and daidzin at a concentration of 7 μM - 15 μM can inhibit the release of sporangia of Phytophthora capsici and effectively inhibit the germination of zoospores of Phytophthora capsici. Using daidzin also helps to improve the disease resistance of susceptible varieties to Phytophthora capsici, which is simple, effective, green and environmentally friendly.
Owner:HAINAN UNIV

Method for controlling or preventing infestation of useful plants by phytopathogenic microorganisms

The present invention relates to a method for controlling or preventing an infestation of useful plants by a phytopathogenic microorganism selected from the group consisting of Fusarium pseudograminearum, Fusarium culmorum, Fusarium oxysporum, Fusarium graminearum, Bakania oryzae, Sporidesmium humicola, Botrytis cinerea, Phytophthora sojae, Phytophthora capsici, Phytophthora infestans, Pythium aphanidermatum, Pythium arrhenomanes, Pythium deliense, Puccinia striiformis, Puccinia hordei, Puccinia malvaccarum, Pseudoperonospora cubensis and Sphaerotheca fuliginea, which comprises the application of a compound of formula (I) to useful plants, to the locus thereof, or to their propagation material.
Owner:JIANGSU FLAG CHEM IND CO LTD

Serratia pumila MM, fungicide and application of serratia pumila MM in prevention and treatment of pepper phytophthora blight

The invention relates to the technical field of biology, in particular to application of serratia pumila MM fermentation liquor and a microbial agent in inhibiting growth of phytophthora capsici and preventing and treating phytophthora blight of capsici, serratia pumila MM is preserved in China General Microbiological Culture Collection Center on June 2, 2022, the preservation number is CGMCC No.24997, and the preservation number is CGMCC No.24997. The serratia pumila MM is preserved in China General Microbiological Culture Collection Center on June 2, 2022. The compound has a good inhibition effect on phytophthora capsici, and the bacteriostasis rate reaches 79.05%; the growth of pathogenic bacteria hyphae can be effectively inhibited, the hyphae are damaged, and the hyphae are broken, shrunk, deformed and the like. In a pot experiment, the prevention and treatment effects of a prevention group and a treatment group on the pepper phytophthora blight are 88.33% and 58.30% respectively, and the morbidity of the pot prevention group is only 14.6%. In a potted plant growth promoting test, the plant height, root length, fresh weight and stem diameter of pepper seedlings are obviously improved and are respectively increased by 29.56%, 51.41%, 25.90% and 20.00% compared with a contrast, and the growth promoting effect is obvious. In a field experiment, a Serratia uchenensis MM agent treatment group is excellent in performance, the control effect on the pepper phytophthora blight is 82.2%, plants grow robustly, the disease incidence rate is low, and the application prospect is wide.
Owner:LANZHOU JIAOTONG UNIV

DsRNA and application thereof in preparation of nano preparation for preventing and treating pepper phytophthora blight

The invention discloses dsRNA and application thereof in preparation of a nano preparation for preventing and treating pepper phytophthora blight, and relates to the technical field of pepper phytophthora blight prevention and treatment. 1, and the dsRNA sequence is as shown in SEQ ID NO. 2; the dsRNA sequence is used for inhibiting the HK2 gene, and the nucleotide sequence is shown as SEQ ID NO.1. When the dsRNA is applied to preparation of the nano preparation MSNs-dsRNA for antagonizing phytophthora capsici and preventing and treating phytophthora capsici, expression of the HK2 gene can be inhibited in a targeted manner, and the MSNs-dsRNA nano preparation has high efficiency in prevention and treatment of phytophthora capsici infection induced phytophthora capsici infection induced phytophthora capsici infection induced phytophthora capsici infection induced phytophthora capsici infection induced phytophthora capsici infection induced phytophthora
Owner:INST OF PLANT PROTECTION FAAS