187 results about "Verticillium wilt" patented technology

The invention relates to the field of agricultural disease intelligent detection and computer vision interdiscipline, in particular to a cotton leaf verticillium wilt segmentation model based on a YOLO11 framework, and adopts the technical scheme that Swin Transform is adopted as a feature extraction module, and a layered framework and a sliding window mechanism are introduced; a multi-scale feature fusion attention mechanism is adopted as an attention mechanism module, features of different scales are extracted by using five different branches, then a comprehensive feature map is spliced in a channel dimension, and finally, a channel attention mechanism and a space attention mechanism are used to calibrate the merged feature map in a parallel mode. A sliding weighted loss function is adopted as a loss function; wherein the step of calibrating the merged feature map comprises the steps of obtaining an enhanced feature map through fusion after channel weighting and space weighting are achieved, and generating a final output feature map through dimensionality reduction and integration.

The invention relates to the technical field of biology, in particular to a verticillium dahliae virulence gene, a verticillium dahliae virulence protein and application. The invention discloses a verticillium dahliae virulence gene VdPHO23like. The verticillium dahliae virulence gene VdPHO23like comprises a polynucleotide sequence for coding an amino acid sequence of SEQ ID NO: 3. According to the invention, expression of the gene is inhibited in a targeted manner through an RNA interference mediated gene silencing technology so as to weaken virulence of pathogenic bacteria, and an efficient, specific and environment-friendly comprehensive prevention and control strategy is provided for verticillium wilt of crops such as cotton.

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.

The invention provides a cotton verticillium wilt resistance detection method based on an unmanned aerial vehicle chlorophyll detection model, relates to the technical field of data detection, and solves the technical problem of low cotton verticillium wilt resistance detection efficiency. The method comprises the following steps: acquiring RGB data and multispectral data of a specified field area of cotton through image acquisition equipment arranged on an unmanned aerial vehicle; based on the RGB digital orthoimage, the multispectral digital orthoimage and chlorophyll content data measured on site by different varieties of cotton, utilizing a machine learning algorithm to construct chlorophyll detection models of chlorophyll of different varieties of cotton in different growth periods by adjusting initial model parameters; based on the optimal chlorophyll detection model and the verticillium wilt disease index data, K-means clustering analysis and GIS space analysis are carried out, chlorophyll change rule data and verticillium wilt resistance levels of different varieties of cotton are obtained, and the verticillium wilt resistance levels of different varieties of cotton serve as cotton verticillium wilt resistance detection results.

The invention discloses an upland cotton GhCRK29 gene as well as an encoding protein and application thereof, the GhCRK29 gene is separated from cotton, the nucleotide sequence of the GhCRK29 gene is as shown in SEQ ID No.1, and the amino acid sequence of the encoding protein of the GhCRK29 gene is as shown in SEQ ID No.2. According to the invention, a virus-induced gene silencing technology and a transgenic overexpression technology are further utilized to carry out preliminary research on the function of the cotton GhCRK29 gene in cotton verticillium wilt resistance, and a result shows that the verticillium wilt resistance of a cotton seedling plant is obviously reduced after the GhCRK29 gene in cotton is silenced; after the GhCRK29 gene is over-expressed in arabidopsis thaliana or cotton, the verticillium wilt resistance of arabidopsis thaliana or cotton is remarkably improved, and the resistance of a GhCRK29 gene forward regulation plant to verticillium dahliae is determined; the invention has application prospects in the aspects of improving the verticillium wilt resistance of plants or cultivating verticillium wilt resistant plant varieties and the like.

The invention discloses bacillus velezensis BR-1 and application of the bacillus velezensis BR-1 in prevention and treatment of economic crop diseases. The preservation number of the bacillus velezensis BR-1 is CCTCC NO: M 20251379. The bacillus velezensis BR-1 disclosed by the invention is high in adaptability and wide in growth condition range, and is more beneficial to application in agricultural production. Meanwhile, the bacillus velezensis BR-1 has a remarkable inhibition effect on the growth of various phytopathogens such as verticillium dahliae, fusarium oxysporum, sclerotinia sclerotiorum and ralstonia solanacearum, can remarkably reduce the morbidity of cotton verticillium wilt, fusarium wilt and tomato bacterial wilt under a greenhouse condition, and has a wide agricultural application prospect.

The invention relates to the technical field of microorganisms, and particularly provides application of bacillus amyloliquefaciens BA-89 in crop growth promotion and verticillium dahliae antagonism. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.36498. The strain can secrete multiple extracellular enzymes (including protease, amylase, cellulase and glucanase), has the growth promoting characteristics of producing ammonia, dissolving potassium and the like, and can tolerate high temperature and ultraviolet stress; the compound has a remarkable antagonistic effect on various plant pathogenic bacteria (such as verticillium dahliae, fusarium oxysporum and phytophthora capsici); by inoculating the strain on cotton, the plant growth can be obviously promoted, the plant height, stem diameter, root length, leaf area and biomass are improved, and meanwhile, the disease index of verticillium wilt and the colonization amount of pathogenic bacteria at the root are effectively reduced. The strain disclosed by the invention can be used as a biological fertilizer and a biological pesticide, is used for cotton cultivation and disease prevention and control, and has a wide application prospect.

The invention belongs to the technical field of agricultural microbial control, and particularly relates to a growth-promoting and disease-preventing compound microbial agent and a preparation method and application thereof, and the compound microbial agent specifically comprises microbial powder, a growth auxiliary material and a drying agent; the microorganisms comprise vermiform yellow, trichoderma harzianum, bacillus velezensis, bacillus licheniformis and brevibacillus laterosporus. According to the compound microbial agent, through the synergistic effect of multiple strains, the control effect of the compound microbial agent on verticillium dahliae is enhanced, and the defects that a single biocontrol bacterium is single in biocontrol mechanism, poor in environment adaptability, incapable of being colonized in soil for a long time and unstable in control effect are overcome; the compound microbial agent can increase the yield of cotton and pepper and improve the quality of cotton fibers, and provides scientific and technological support and decision service for realizing green, environment-friendly, cost-saving and efficiency-increasing modern agriculture.

The invention provides a composite flora for preventing and treating cotton verticillium wilt and a microbial agent and application thereof, and belongs to the technical field of agricultural microorganisms. The composite flora and the microbial agent provided by the invention comprise pseudoarthrobacter oxydans CRB-17 and bacillus velezensis CRB-46; the preservation numbers of the pseudoarthrobacter oxydans CRB-17 and the bacillus velezensis CRB-46 are respectively CCTCC (China Center for Type Culture Collection) NO: M20252254 and CCTCC NO: M20252255, and the pseudoarthrobacter oxydans CRB-17 and the bacillus velezensis CRB-46 are both preserved in the China Center for Type Culture Collection on October 20, 2025. The pseudoarthrobacter oxydans CRB-17 and the bacillus velezensis CRB-46 are stably colonized in the rhizosphere of the cotton, have a strong direct antagonism effect on verticillium dahliae, can effectively and continuously prevent and treat the verticillium wilt of the cotton, effectively promote the germination of cotton seeds, the elongation of radicles and hypocotyls, promote the growth of the cotton and improve the defensive power of the cotton.

The invention belongs to the technical field of gene cotton resistance breeding, and particularly relates to application of cotton GhGSTF8 and GbGSTF8 genes in cotton verticillium wilt resistance. According to the application, the expression level of the GhGSTF8 gene in leaves and receptacles of cotton is relatively high through qRT-PCR (Quantitative Reverse Transcription-Polymerase Chain Reaction) detection; the expression level of the GbGSTF8 gene in leaves and stems of cotton is high. VIGS experiments show that after the GhGSTF8 gene is silenced, a new plant body shows an obvious susceptible character characteristic to verticillium wilt infection. After the GbGSTF8 gene is silenced, the silenced plant shows the character characteristic of resistance. Based on the research result, a certain application foundation can be laid for the molecular mechanism research of verticillium wilt resistance and the cultivation of new varieties of novel verticillium wilt-resistant plants.

The invention discloses a verticillium dahliae virulence gene, a verticillium dahliae virulence protein and application. The invention relates to the technical field of biology, and provides a method for preventing and treating cotton verticillium wilt based on RNAi (RNA interference) as well as related components and application thereof. Specifically, the invention discloses application of the verticillium wilt prevention and treatment by a method for inhibiting or silencing the expression of verticillium dahliae pathogenic gene VdHDAC (coding protein of the verticillium dahliae pathogenic gene VdHDAC is shown as SEQ ID NO: 3), the core of the verticillium wihliae pathogenic gene VdHDAC is to provide dsRNA molecules capable of targeting the gene, and the positive-sense strand of the dsRNA molecules is preferably selected from SEQ ID NO: 5, SEQ ID NO: 8, SEQ ID NO: 9 or SEQ ID NO: 11. Based on the molecule, the invention further provides a recombinant vector containing the coding sequence, a recombinant microorganism, a transgenic disease-resistant plant and an RNAi pesticide preparation. The scheme can be realized through host-induced gene silencing, microorganism-mediated gene silencing or preparation treatment and the like, the virulence of pathogenic bacteria can be effectively reduced, and a new technical approach is provided for green prevention and control of verticillium wilt.

The invention discloses a TLP1-like gene molecular marker related to cotton verticillium wilt resistance and application of the TLP1-like gene molecular marker, and belongs to the field of biotechnology application. The promoter of the TLP1 protein gene TLP1-like has two haplotypes, the promoter sequence of the haplotype 1 is SEQ ID NO.5, and the genomic sequence of the haplotype 2 is SEQ ID NO.6. The invention also discloses a method for preparing the TLP1 protein gene TLP1-like promoter of the TLP1 protein gene TLP1-like promoter of the TLP1 protein gene. Compared with the haplotype 1, the haplotype 2 has an SV insertion of 2623 bp at a-899 bp position of an ATG upstream promoter region of a TLP1-like gene, so that the expression quantity of the TLP1-like gene is reduced. An InDel functional marker capable of remarkably distinguishing the haplotype 1 and the haplotype 2 is further developed. Compared with the haplotype 1, the haplotype 2 has a remarkable advantage in the aspect of improving the verticillium wilt resistance of the cotton, and the silent haplotype 1 cotton plant TLP1-like remarkably improves the resistance of the cotton to verticillium dahliae. The haplotype 2 has important effects and application prospects in screening cotton disease-resistant materials and cultivating cotton high-resistance varieties.

The invention relates to a verticillium wilt resistance gene Gbar4CL1 of cotton and application of the verticillium wilt resistance gene Gbar4CL1. The gene of a cotton verticillium wilt resistance material M34 is subjected to map-based cloning, the cotton verticillium wilt resistance gene Gbar4CL1 is identified for the first time, the Gbar4CL1 gene is proved to be highly expressed after being induced by verticillium wilt, and further the gene is over-expressed in cotton to verify that the gene can obviously enhance the verticillium wilt resistance of the cotton, so that the cotton verticillium wilt resistance of the cotton can be obviously enhanced. The gene has important value for theoretical researches such as analysis of molecular mechanisms of cotton verticillium wilt resistance and the like. The Gbar4CL1 gene can improve the resistance of cotton to verticillium wilt, and has important practical application significance for cotton verticillium wilt resistant breeding.

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.

The invention relates to the technical field of agricultural biology, in particular to a verticillium dahliae heat shock protein 90 ATP enzyme activating factor VdAHA1 as well as a coding gene and application of the verticillium dahliae heat shock protein 90 ATP enzyme activating factor VdAHA1. The invention provides a verticillium dahliae heat shock protein 90 ATP enzyme activating factor VdAHA1 related to high temperature resistance, drug resistance, environmental adaptability, ergosterol synthesis capability and pathogenicity of verticillium dahliae and a coding gene of the VdAHA1, and the VdAHA1 gene positively regulates the pathogenicity of verticillium dahliae and can be used as an important candidate gene for pathogenesis research of verticillium dahliae. The invention provides a theoretical basis for further understanding the pathogenic mechanism of pathogenic bacteria, also provides a new gene resource for verticillium dahliae pathogenic related genes, also provides a new idea for prevention and control of cotton verticillium wilt, and has a wide application prospect.

The invention discloses an application of a GhMKK5 gene in improving the disease resistance of cotton verticillium wilt, and belongs to the field of biotechnology application. The GhMKK5 gene disclosed by the invention is used for coding a mitogen activated protein kinase kinase. The invention provides a full-length CDS nucleotide sequence and an amino acid sequence of GhMKK5 in an upland cotton genetic standard line TM-1. The gene is expressed in all tissues of cotton, and is induced by verticillium dahliae to realize obvious up-regulation expression. The verticillium wilt resistance of cotton is reduced by silencing the gene in cotton, and the disease resistance of arabidopsis thaliana is improved by overexpressing the gene in arabidopsis thaliana, which indicates that the gene plays an important role in cotton verticillium wilt resistance.

The invention belongs to the technical field of biological prevention and control of plant diseases, and provides application of bacillus subtilis in prevention and control of verticillium wilt. The preservation number of the bacillus subtilis SEB-34 is CGMCC (China General Microbiological Culture Collection Center) No. 26419. The SEB-34 strain and the microbial agent produced by the SEB-34 strain can be used for preventing and treating plant diseases caused by verticillium dahliae, and the strain can be colonized at plant roots and keep high abundance and has the effects of preventing diseases, promoting growth and increasing yield. In the microbial agent provided by the invention, thalli are in a semi-dormant state, so that the microbial agent has relatively strong stress resistance and is more stable to store, and the production and transportation costs are effectively reduced while the effect is ensured. The invention also provides beneficial microbial resources for green prevention and control of economic crop diseases, and has good application prospects and high application values.

The invention relates to the technical field of plant genetic engineering, and particularly provides cloning of a GbGELP25D gene of gossypium barbadense and application of the GbGELP25D gene of gossypium barbadense. According to the invention, the GbGELP25D gene with a full length of 1092 bp is cloned from the sea island cotton variety Xinhai No. 7 for the first time, and the gene encodes a secretory lipase protein with a signal peptide and is positioned in an extracellular gap. Through bioinformatics analysis, phylogenetic classification, protein structure modeling and signal peptide function verification, it is clear that the gene belongs to a plant GELP family. Furthermore, a virus-induced gene silencing technology is utilized to prove that the silent GbGELP25D can obviously enhance the resistance of cotton to verticillium wilt, and the mechanism of the silent GbGELP25D is closely related to activation of ethylene synthesis and signal channels and induction of expression of disease-resistant related genes. The resistance gene provided by the invention enriches gene resources of cotton verticillium wilt resistance breeding, and has important theoretical significance and application value.

The invention provides a charcoal fungicide for preventing and treating cotton verticillium wilt and a preparation method of the charcoal fungicide, and belongs to the technical field of agricultural fungicide. According to the invention, the agricultural waste walnut green seedcase can be fully utilized to prepare the biochar material, and the biochar not only has good adsorption performance, but also is prepared through one-step pyrolysis, so that the process is simpler. The biochar is rich in functional groups, relatively high in specific surface area and relatively high in adsorption capacity, has a wide application prospect in the aspect of microbial agents, is good in prevention and treatment effect, and has a wide application value in the aspect of biological prevention and treatment of cotton verticillium wilt.

The invention provides an application of a GhIQD1 gene in plant verticillium wilt resistance, and particularly provides an application of the GhIQD1 gene in regulation and control of plant verticillium wilt resistance. When the expression quantity of the GhIQD1 gene in the plant is relatively high, the verticillium wilt resistance of the plant is enhanced, and when the expression quantity of the GhIQD1 gene in the plant is relatively low or the GhIQD1 gene is not expressed, the verticillium wilt resistance of the plant is weakened. The new research finds that not only is the understanding of the plant immune system enriched, but also important guidance is provided for developing more effective disease-resistant measures and strategies.

The invention provides a rare-earth-based composite pesticide and a preparation method and application thereof, active ingredients of the rare-earth-based composite pesticide comprise a soil material LN and carbendazim according to the mass ratio of (2-3): 1, and the soil material LN is prepared after a lanthanide rare earth material and iodic acid react and crystallize. The rare-earth-based composite pesticide disclosed by the invention has an obvious inhibition effect on pathogenic bacteria of cotton verticillium wilt, can obviously improve symptoms of the cotton verticillium wilt in field experiments and practical application processes, and reduces agricultural loss caused by the cotton verticillium wilt.

The invention belongs to the technical field of biology, and discloses a peptide signal molecule GhEG45 and application of a gene engineering product of the peptide signal molecule GhEG45 in plant growth regulation and disease resistance. The gene coding sequence of the peptide signal molecule GhEG45 is as shown in SEQ ID NO. 1, and the amino acid sequence of the peptide signal molecule GhEG45 is as shown in SEQ ID NO. 2. The peptide signal molecule GhEG45 can prevent and treat cotton verticillium wilt and regulate plant growth, can also be used for cultivating new varieties of transgenic plants resisting V.dahliae infection, improves the disease resistance and stress resistance of the plants, plays a role in regulating plant growth, increases both production and income, and improves crop quality.

A bactericide SYP-Z048 is used for preventing and treating plant verticillium wilt and is applied according to a common method before plant infection or at the early stage of plant infection in a common pesticide formulation, and the use concentration of the bactericide SYP-Z048 in a plant planting area is 0.5-40000mg / L. The bactericide is safe to plants, and seed treatment or stem and leaf spraying has no influence on plant growth; the disease prevention effect is obvious, and the yield is obviously increased; the dosage is low, the influence degree on the environment is small, and the agricultural cost is obviously reduced.

This application discloses a Bacillus subtilis strain JTFB-01 and its applications, belonging to the field of microbiology. The Bacillus subtilis strain JTFB-01 has the accession number CGMCC No. 37199 and is deposited at the China General Microbiological Culture Collection Center on December 25, 2025. Field trials show that this inoculant, applied through seed treatment, achieves control effects of 68.20%, 71.73%, and 72.15% against wheat take-all, sheath blight, and root rot, respectively, and significantly increases wheat plant height and yield. It also shows a field control effect of over 50% against cotton Verticillium wilt, with a yield increase of over 17%. This inoculant effectively controls soil-borne diseases and overcomes crop replanting obstacles through multiple mechanisms, including inhibiting pathogens, colonizing the rhizosphere, and promoting growth, thus possessing significant agricultural application value.

The invention provides a rare earth functional material for preventing and treating cotton verticillium wilt and a preparation method and application thereof.The rare earth functional material comprises an intermediate, a carrier and water according to the mass ratio of (4-6): (4-6): (18-25), and the intermediate comprises a rare earth lanthanum source compound, a medium and water according to the mass ratio of (7-15): (2-7): (78-89). The rare earth functional material LCP has a particularly strong inhibition effect on verticillium dahliae which is a pathogenic bacterium of cotton verticillium wilt, compared with a common pesticide thiophanate methyl in the market, the inhibition effect of the rare earth functional material LCP is obviously better than that of the pesticide thiophanate methyl, the toxic effect on plants is low, the material is expected to be applied to preparation of pesticides, and the application prospect is wide. The composition is used for controlling cotton verticillium wilt, increasing cotton yield in China and improving cotton quality.

The invention discloses a cotton verticillium wilt resistance related gene GhACA12 and application thereof in disease-resistant breeding, and belongs to the technical field of agricultural biology. Through whole genome association analysis (GWAS), an SNP site D11: 57218252 related to verticillium wilt resistance is found in a cotton D11 chromosome region, and a GhACA12 gene is screened out as a candidate disease-resistant gene. Researches show that high expression of GhACA12 is related to susceptible characters, and low expression of GhACA12 is related to disease resistance characters. The GhACA12 gene is silenced through a VIGS technology, and the disease resistance of the cotton is remarkably enhanced. Specific primers are designed for qRT-PCR detection, and disease-resistant materials are screened in an auxiliary mode. The invention provides effective technical support for cotton verticillium wilt resistant molecular breeding, and has important application value.

The invention discloses a microbial agent for preventing and treating cotton verticillium wilt and a preparation method and application thereof, the microbial agent comprises a bacterial strain of bacillus velezensis and / or a fermentation broth thereof, and an agriculturally acceptable solid carrier for loading the bacterial strain, and the preservation number of the bacterial strain is CCTCC NO: M 2022954. According to the microbial agent, bacillus velezensis BAC81712 serves as an antagonistic bacterium and is loaded on a solid carrier, and the microbial agent has the advantages of being convenient to use, low in microorganism colonization difficulty, high in bacteriostasis rate, stable in prevention and treatment effect and the like, can be widely used for preventing and treating cotton verticillium wilt in potted plants and fields, can remarkably reduce the morbidity of the cotton verticillium wilt and has a good application prospect. The cotton plant morphology can be obviously improved, the use value is high, and the application prospect is good.

The invention discloses a novel methoxyimino acetate derivative containing a chloroacetamide structure as well as a preparation method and application of the novel methoxyimino acetate derivative. According to the invention, a methoxyimino acetate skeleton is used as a leading structure, and different pharmacophores are introduced on the basis of the leading structure, so that a series of novel methoxyimino acetate skeleton derivatives containing a chloroacetamide structure are synthesized. In-vitro tests of the compounds show that the compounds have excellent inhibition effects on plant pathogenic fungi such as fusarium graminearum, eggplant verticillium wilt, mango anthracnose pathogen, alternaria solani, sclerotinia sclerotiorum, muskmelon fusarium wilt pathogen and the like; the methoxyl acrylate derivative pesticide with high activity and novel action mechanism is expected to be developed.

The invention relates to the technical field of microorganisms, and particularly provides application of bacillus velezensis Y1062 in crop growth promotion and verticillium dahliae antagonism. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) with the preservation number of CGMCC No.36497, has various probiotic functions of dissolving phosphorus and potassium, secreting cellulase, amylase and protease and the like, and can tolerate high temperature and ultraviolet stress. Meanwhile, the strain has a broad-spectrum antagonistic effect on various phytopathogens such as verticillium dahliae, fusarium oxysporum and the like. The pot experiment further proves that the disease index of the cotton verticillium wilt and the biomass of pathogenic bacteria at the root can be remarkably reduced by inoculating the strain, the growth promoting effect is remarkable, and the root development and plant growth of crops can be remarkably promoted by applying the strain to the crops. The invention provides a special'growth-promoting and disease-resisting 'functional strain resource for crops such as cotton and the like, and has important significance.

The present application relates to the technical field of pharmaceutical chemistry, and particularly relates to application of tryptophanone in prevention and treatment of plant bacteria and part of plant fungi. The present application discloses that natural product tryptophanone can effectively prevent and treat plant bacterial and part of plant fungal diseases. The application of tryptophanone as an agricultural bactericide in plant bacterial diseases has excellent inhibitory effect on rice bacterial leaf blight, rice bacterial leaf streak, citrus canker, cabbage black rot, tomato bacterial spot, kiwi canker, tobacco bacterial wilt, cucumber bacterial angular spot, potato bacterial wilt, soybean bacterial spot, tomato canker and the like. The tryptophanone also shows good inhibitory activity on plant pathogenic fungi such as grapevine Eutypa lata, tobacco alternaria alternata, eggplant verticillium wilt, pepper fusarium wilt, colletotrichum gloeosporioides, tea tree colletotrichum gloeosporioides and sorghum zylosporium.