306 results about "Sheath blight" patented technology

The invention discloses a gene OsSK8 for regulating and controlling disease resistance of rice as well as an encoding protein and application of the gene OsSK8, the gene is the gene OsSK8, and the sequence of the gene OsSK8 is shown as SEQ ID NO. 1 or SEQ ID NO. 2. A novel rice sheath blight and bacterial blight resistance regulation gene OsSK8 is identified, the OsSK8 gene is subjected to overexpression and knockout, and after resistance identification, it is found that the overexpression of the OsSK8 gene can enhance the resistance of rice to sheath blight and bacterial blight, and the knockout of the gene can reduce the resistance of rice to sheath blight and bacterial blight. The OsSK8 gene positively regulates the resistance level of rice to sheath blight and bacterial blight, so that a new thought and direction are provided for breeding rice varieties with higher disease resistance, and meanwhile, a solid foundation is laid for further exploration in the field of rice disease-resistant breeding.

The invention discloses application of an LRK20 gene in regulation and control of rice disease resistance, a related biological material and a cultivation method. According to the application of the LRK20 gene in regulation and control of rice disease resistance, the sequence of the LRK20 gene is shown as SEQ ID NO.1, and the disease resistance is sheath blight resistance. The amino acid sequence of the protein coded by the LRK20 gene is as shown in SEQ ID NO. 2. The recombinant vector comprises the complementary sequence of the LRK20 gene in the application. The novel gene LRK20 for regulating and controlling the resistance of the rice sheath blight disease is obtained through identification, the sheath blight resistance gene LRK20 can regulate and control the resistance of the rice sheath blight disease, the resistance of the rice to the sheath blight disease can be remarkably weakened by knocking out the gene, and the resistance of the rice to the sheath blight disease can be remarkably enhanced by overexpressing the gene; therefore, the gene has a potential breeding application value in sheath blight resistance molecular breeding.

The invention discloses a rice sheath blight resistant adiponectin receptor OsPLS3 protein as well as an encoding protein and application thereof. The amino acid sequence of the rice adiponectin receptor OsPLS3 protein is as shown in SEQ ID NO. 3. The genome nucleotide sequence of the encoding gene of the rice adiponectin receptor gene OsPLS3 is as shown in SEQ ID NO.1, and the nucleotide sequence of the open reading frame of the rice adiponectin receptor gene OsPLS3 is as shown in SEQ ID NO.2. The invention further discloses a preparation method of the rice adiponectin receptor gene OsPLS3. Experiments prove that after the rice adiponectin receptor gene OsPLS3 is over-expressed in rice, the resistance of the rice to sheath blight can be improved, and after the rice adiponectin receptor gene OsPLS3 is knocked out, the rice adiponectin receptor gene OsPLS3 is more susceptible to rhizoctonia solani, namely, the resistance of the rice to the sheath blight is positively regulated by the OsPLS3. The rice adiponectin receptor gene OsPLS3 provided by the invention has an important production value for rice sheath blight resistance breeding.

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 discloses a gene LRK21 for regulating and controlling the resistance of rice sheath blight disease as well as an encoding protein and application thereof, and belongs to the technical field of plant genetic engineering. The novel gene LRK21 for regulating and controlling the resistance of the rice sheath blight disease is identified, and the identification result of the resistance of the sheath blight disease of in-vitro leaf sheaths in a climatic chamber proves that the resistance of rice to the sheath blight disease can be weakened by knocking out the gene LRK21, and the resistance of the rice sheath blight disease can be reduced by overexpression of the gene LRK21. The result shows that the LRK21 gene participates in the regulation and control of the resistance of the rice sheath blight disease, and the disorder of the function of the LRK21 can influence the resistance of the rice to the sheath blight disease, so that an important gene resource is provided for the research on the resistance mechanism of the rice sheath blight disease.

The invention belongs to the technical field of biological prevention and control, and particularly relates to a Burkholderia paragallinarum D15 and application of the Burkholderia paragallinarum D15. The Burkholderia parakholderia sp. D15 is preserved in China General Microbiological Culture Collection Center (CGMCC) on November 25, 2024, the address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO. 1.61962. The Burkholderia parakholderia sp. D15 has the advantages that the Burkholderia parakholderia sp. According to the invention, a multifunctional strain Burkholderia paragallinarum D15 is separated from the rock wall of Danxia red rock, and the Burkholderia paragallinarum D15 has a relatively good antagonistic effect on most plant pathogens and has a relatively strong bacteriostatic effect on xanthomonas oryzae Xoo causing rice bacterial blight; the compound also has a relatively strong bacteriostatic effect on other pathogenic bacteria causing crop diseases, such as rice sheath blight disease, rice blast, fusarium graminearum, sclerotium rolfsii and ralstonia solanacearum, and lays a foundation for prevention and treatment of rice bacterial blight and development of related biological preparations.

The invention belongs to the field of molecular biology, and particularly relates to application of OsDOF3 protein or a coding gene thereof to improvement of rice broad-spectrum disease resistance and regulation of agronomic traits. According to the application, an OsDOF3 knockout mutant and an overexpression transgenic line are constructed under the background of susceptible rice, resistance phenotype analysis is performed by inoculating various pathogenic bacteria (including pyricularia oryzae, rhizoctonia solani and bacterial blight), and it is proved that OsDOF3 participates in regulation and control of an immunoreaction pathway of rice to fungal diseases (rice blast and sheath blight) and bacterial diseases (bacterial blight). Meanwhile, the application also finds that after a strong promoter ubi is adopted for driving, an overexpression material of the OsDOF3 is shorter than that of a wild plant, and the OsDOF3 influences normal growth and development of rice while stimulating plant immune response. The invention provides important gene resources and molecular theoretical basis for developing a new variety of broad-spectrum disease-resistant rice.

The invention relates to the technical field of pesticides, in particular to a validamycin / thifluzamide double-loaded preparation with an acid-base response characteristic. The preparation method comprises the following steps: firstly, loading thifluzamide by using calcium carbonate to form a microsphere structure, and simultaneously loading validamycin and thifluzamide calcium carbonate microspheres by using sodium carboxymethyl cellulose and sodium alginate as carrier materials to construct the double-load pesticide preparation. The validamycin / thifluzamide double-loaded preparation provided by the invention has the characteristic of responding to the pH value of the environment, and can simultaneously realize quick release of validamycin and long-acting release of thifluzamide, so that the pesticide effect is remarkably improved. Besides, the validamycin / thifluzamide double-loaded preparation provided by the invention has good leaf surface wettability and release performance, has a relatively good prevention effect on rice sheath blight disease, and has relatively high safety to aquatic organisms represented by zebra fish.

The invention relates to the technical field of plant genetic breeding, in particular to a rice sheath blight resistance related gene and an encoding protein and application thereof. The invention provides a rice sheath blight resistance related gene as well as an encoding protein and application thereof, the gene is OsSBR4 or a related gene thereof, the resistance of rice to sheath blight can be remarkably enhanced by knocking out the gene, and the resistance of rice to sheath blight can be reduced by overexpressing the gene. After agronomic traits of a transgenic line of the gene are investigated, it is found that the plant height, the ear length, the ear number, the thousand seed weight and the like are not affected, and it is indicated that the gene has important application value in sheath blight resistance molecular breeding. According to the invention, a novel rice sheath blight resistance related gene is screened and excavated, and the identification of the sheath blight resistance gene can provide a theory and a basis for breeding a sheath blight resistance rice variety.

The invention relates to the technical field of biological prevention and treatment, and discloses a composition for preventing and treating rice sheath blight disease, which is prepared from the following raw materials in parts by weight: 80 to 90 parts of validamycin, 30 to 45 parts of traditional Chinese medicine extract paste, 10 to 20 parts of traditional Chinese medicine raw medicine, 15 to 19 parts of white carbon black, 10 to 17 parts of copper sulfate, 12 to 16 parts of chitosan, 9 to 15 parts of gibberellin, 5 to 9 parts of tebuconazole, 1 to 5 parts of compound sodium nitrophenolate, 2 to 4 parts of emulsifier and 1 to 3 parts of synergist. Gleditsia sinensis, sanguisorba officinalis, flos rhododendri mollis and sapindus mukorossi peel in the traditional Chinese medicine raw medicines are used for synergistically killing bacteria, enhancing the immunity of plants and delaying the decomposition of validamycin, and meanwhile, extracts of honeysuckle, dandelion, croton and artemisia annua in the traditional Chinese medicine extract are complementary with validamycin in the aspects of sterilization, virus resistance and plant resistance improvement; therefore, the effect of validamycin is more durable, the duration of single application is longer, and the manpower and material resource cost is saved.

The invention belongs to the technical field of microorganisms, and discloses streptomycete Y309 and application thereof. The preservation number of the streptomyces sp. Y309 is GDMCC No: 64527, and the streptomyces sp. Y309 has relatively strong secondary metabolite synthesis capability and can be used for producing siderophore, IAA (Indoleacetic Acid) and the like. The strain Y309 also has the potential of plant growth promotion and disease control, and the strain Y309 has a relatively strong bacteriostatic effect on 12 pathogenic fungi such as fusarium oxysporum, rhizoctonia cerealis, monilinia fusarium and coracocystis fimbristipula as well as 7 pathogenic bacteria such as pseudomonas syringae lacrimation pathogenic variants and bacillus cereus, and has a relatively strong bacteriostatic effect on 12 pathogenic fungi such as fusarium oxysporum, rhizoctonia cerealis, monilinia fusarium and coracocystis fimbristipula. The strain Y309 has good prevention and treatment effects on wheat sharp eyespot, tomato gray mold and pepper fusarium wilt, fermentation liquor of the strain Y309 can remarkably promote wheat seed germination and seedling growth, agronomic characters such as the plant height, the dry weight and the leaf area in the corn seedling stage can be improved in different saline-alkali soil, and the strain Y309 has good application prospects.

According to the nano pesticide and the preparation method and application thereof, pH response type nano particles ZIF-90 serve as a carrier, azoxystrobin is loaded to serve as a medicine, and the nano pesticide is used for preventing and treating rice sheath blight disease caused by rhizoctonia solani. When the rhizoctonia solani infects rice, oxalic acid can be generated to reduce the pH around an infected area, so that the ZIF-90 carrier skeleton and the hyaluronic acid coating are decomposed to release azoxystrobin, and the rhizoctonia solani is inhibited in a targeted manner. It is further found that ZIF-90 and azoxystrobin have synergistic bacteriostatic activity, the EC50 value of azoxystrobin to rhizoctonia solani can be greatly reduced, after ZIF-90 carrier encapsulation and hyaluronic acid end capping, the photolysis stability of azoxystrobin can be improved, the adhesive force of azoxystrobin on rice leaves can be enhanced, and the ZIF-90 and azoxystrobin compound has important application in agricultural disease control.

The invention relates to the technical field of microbial soil remediation, in particular to a microbial composition for remediation of saline alkali soil, a microbial agent and application of the microbial agent. According to the characteristics of the bacillus subtilis KC000 and the paenibacillus mucilaginosus JDY001, different compounding proportions are set and applied to the saline-alkali soil, then the salt content of the saline-alkali soil is measured, and it is found that the soil nutrition and environmental conditions are obviously improved by applying the microbial agent, and the saline-alkali soil can be applied to the saline-alkali soil. The soil conditioner is beneficial to the growth and reproduction of paenibacillus mucilaginosus and bacillus subtilis in soil, is beneficial to improving the content of organic matters, rapidly available phosphorus and rapidly available potassium in the soil, increases the content of alkali-hydrolyzable nitrogen in the soil to a certain extent, reduces the pH value of the soil, accelerates salt leaching, inhibits salt return and reduces the salt content of the surface layer of the soil. Meanwhile, the microbial composition also has the effect of preventing and treating sheath blight.

The invention belongs to the technical field of microorganisms, and particularly discloses trichoderma harzianum NBU-1 and application thereof. The Trichoderma harzianum NBU-1 is preserved in the Guangdong Microbial Culture Collection Center on March 26, 2025, the preservation address is the 5th floor, No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou, and the preservation number is GDMCCNO: 66053. The invention discloses trichoderma harzianum NBU-1 and application thereof, the trichoderma harzianum NBU-1 is applied to prevention and treatment of wheat sharp eyespot, and the activity of rhizoctonia cerealis R0301 and the growth of scab are effectively inhibited.

According to the suspending agent containing the pydiflumetofen and the meconazole, provided by the invention, the defects of a traditional single bactericide are overcome, and the control effect on various plant diseases is improved. According to the suspending agent disclosed by the invention, a natural biological source substance chitosan oligosaccharide is introduced as a thickening agent, so that the prevention and treatment effect of the agent on the rice sheath blight disease can be improved unexpectedly.

The invention belongs to the field of biological prevention and control, and particularly discloses endophytic muzabingia LZ-441 and application of the endophytic muzabingia LZ-441 in prevention and control of rice sheath blight disease and rice blast, the endophytic muzabingia LZ-441 is preserved in China General Microbiological Culture Collection Center on October 9th, 2024, the preservation number is CGMCC NO: 32155, and the preservation number is CGMCC NO: 32155. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The endophytic Umezabingia endophytic LZ-441 has a relatively good inhibition effect on both rhizoctonia solani and magnaporthe oryzae, the inhibition rate of the endophytic Umezabingia endophytic LZ-441 on the rhizoctonia solani reaches 98.85%, the inhibition rate of the endophytic Umezabingia endophytic LZ-441 on the magnaporthe oryzae is 68.02%, and in a field test, the prevention and treatment effects of the endophytic Umezabingia endophytic LZ-441 on the rhizoctonia solani and the magnaporthe oryzae are 74.28% and 70.38% respectively. Therefore, the compound can be used for preventing and treating rice sheath blight disease and rice blast, and has good development and application prospects.

The present invention belongs to the field of microbial application technology, and specifically relates to a Streptomyces torulosus for preventing and controlling plant diseases and its application. The Streptomyces torulosus is Streptomyces torulosus Jna201, with a deposit number of CGMCC No. 34097, and was deposited at the General Microbiology Center of the China National Committee for the Collection of Microorganisms on April 3, 2025. The present invention provides a Streptomyces torulosus for preventing and controlling rice sheath blight and corn stalk rot. The present invention shows through greenhouse efficacy experiments that Streptomyces torulosus Jna201 can effectively inhibit the lesion length of rice sheath blight and corn stalk rot in greenhouse efficacy determinations, indicating that Streptomyces torulosus Jna201 can effectively inhibit the infection of rice sheath blight and corn stalk rot, and has important significance for the green prevention and control of rice sheath blight and corn stalk rot.

The invention discloses bacillus tequilensis and application thereof, and belongs to the technical field of biology. The preservation number of the bacillus tequilensis is CCTCC (China Center For Type Culture Collection) NO: M 20251909, and the bacillus tequilensis has a remarkable inhibition effect on rice sheath blight disease pathogenic bacteria (Rhizoctonia solani). An in-vitro confrontation culture and potting verification method is adopted to prove that the strain can inhibit the growth of germs, and a plate confrontation experiment shows that the hypha growth inhibition rate of the strain to YM-Q-7 reaches 70.36%. The bacterial suspension (1 * 10 < 8 > CFU / ml) of the strain is used for performing root irrigation treatment on potted rice, the prevention and treatment effect reaches 28.85%, and a good application prospect is provided for prevention and treatment of rice sheath blight disease.

The invention discloses an application of OsPRSBR1 protein and a coding gene thereof in regulation and control of plant sheath blight resistance, and belongs to the technical field of biology. The application of the OsPRSBR1 gene and the protein coded by the OsPRSBR1 gene in regulating and controlling the sheath blight resistance of plants is found for the first time, and a theoretical basis and a research thought are provided for molecular breeding and germplasm resource improvement related to the sheath blight resistance; it is further proved through experiments that after the OsPRSBR1 gene is knocked out, the resistance of the plant to the banded sclerotial blight is weakened, and after the OsPRSBR1 gene is over-expressed, the resistance of the plant to the banded sclerotial blight is enhanced; therefore, the method has a good application prospect in the field of agricultural production.

The invention discloses an 8-bromine-5-substituted-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole derivative, and the 8-bromine-5-substituted-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole derivative is 8-bromine-5-(4-chlorophenethyl)-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole and / or 8-bromine-5-phenethyl-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole. The invention further discloses a preparation method of the 8-bromine-5-substituted-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole derivative. The 8-bromo-5-substituted-1, 3, 4, 5-tetrahydrothiapyran [4, 3-b] indole derivative provided by the invention has the effects of inhibiting rhizoctonia solani and promoting seed germination. The compound provided by the invention not only can be used for preventing and treating rice sheath blight disease through spraying treatment, but also can be used for preventing rice seeds from carrying bacteria in a seed soaking manner, so that the rice sheath blight disease is comprehensively prevented and controlled. Besides, rice seeds are soaked in a compound solution, germination of the rice seeds can be promoted, the root length, growth vigor and fresh weight indexes of the seeds are improved, and the compound has good application prospects and value in prevention and treatment of the rice sheath blight disease.

The invention discloses an application of a rice bHLH transcription factor OsbHLH024 and a coding gene thereof in disease-resistant breeding, and belongs to the technical field of gene engineering. The amino acid sequence of the rice bHLH transcription factor OsbHLH024 is as shown in SEQ ID NO. 2, and the nucleotide sequence of the gene OsbHLH024 is as shown in SEQ ID NO. 1. Experiments prove that through overexpression of the OsbHLH024 gene in the Zhonghua 11, the resistance of rice to rice blast, banded sclerotial blight and leaf blight can be remarkably improved; the OsbHLH024 gene is knocked out, and the resistance of rice to rice blast, banded sclerotial blight and leaf blight can be remarkably reduced. Therefore, the OsbHLH024 gene can positively regulate the disease resistance of the plant, which is of great significance to the cultivation of disease-resistant rice varieties.

The invention provides a nutrient solution and application thereof in prevention and treatment of crop sheath blight, and belongs to the technical field of rice planting. The nutrient solution provided by the invention contains cysteine with a certain concentration, after the nutrient solution is applied to rice in the trefoil stage and cultivated to the whole growth period, the resistance of the rice to sheath blight can be improved, and meanwhile, the content of chlorophyll, soluble sugar, soluble protein, SOD, POD, MDA and CAT in rice plants is remarkably increased. The nutrient solution provided by the invention can effectively solve the problem of poor sheath blight disease resistance of rice under conventional planting conditions, and has a wide application prospect.

The invention belongs to the field of molecular biology, and particularly relates to application of an OsNiR1 gene to improvement of rice broad-spectrum disease resistance and improvement of rice agronomic traits. The invention provides an application of an OsNiR1 gene, and the application comprises an application in preventing and treating plant diseases and / or enhancing the resistance of plants to pathogenic bacteria, and / or an application in improving agronomic traits of the plants. The amino acid sequence coded by the OsNiR1 gene is as shown in SEQ ID NO. 1, and the CDS sequence of the OsNiR1 gene is as shown in SEQ ID NO. 2. The application proves that OsNiR1 participates in regulating and controlling the immune response pathway of rice to fungal disease rice blast, fungal disease banded sclerotial blight and bacterial disease bacterial leaf blight. Meanwhile, after the strong promoter ubi is adopted for driving, an overexpression material of the OsNiR1 is higher and stronger than a wild plant type, and the tiller number is increased. The invention provides important gene resources and molecular theoretical basis for developing a new variety of broad-spectrum disease-resistant rice.

The invention discloses a PCR (Polymerase Chain Reaction) detection specific primer for rhizoctonia solani AG4HG-III (Ribonia solani AG4HG-III) and a corresponding detection method of the rhizoctonia solani AG4HG-III (Ribonia solani AG4HG-III). A pair of PCR specific amplification primers is designed according to an ITS (internal transcribed spacer) gene sequence of the millet rhizoctonia solani AG4HG-III: an upstream primer wk-15 '-GGTATTCCTTGGAGCATGCCTG-3', a downstream primer wk-15 '-GGTATTCCTGCCTG-3', a downstream primer wk-15 '- And a downstream primer wk-25 '-TGGCCACCCTCCCAAACTC-3' is shown in the description. Through PCR (polymerase chain reaction) amplification, a specific 232bp band can be amplified in the millet rhizoctonia solani AG4HG-III pathogen and a millet diseased plant infected by the millet rhizoctonia solani AG4HG-III. The detection method provided by the invention can be applied to detection of the millet rhizoctonia solani AG4HG-III in millet plants in millet production, provides early warning for distribution and occurrence of the millet rhizoctonia solani AG4HG-III in a millet field, provides a theoretical basis for prevention and treatment and diagnosis of the millet rhizoctonia solani, and has a very good application prospect.

Provided is a use of genes OsADR1 and OsTIR in enhancing broad-spectrum disease resistance in rice. The genes OsADR1 and OsTIR can enhance resistance in rice against diseases such as rice blast and sheath blight, and thus play a valuable role in the development of new disease-resistant rice varieties.

The present application relates to a kind of phenyl-tetrazole oxime derivatives and its preparation method and application, wherein the phenyl-tetrazole oxime derivatives have the structure as shown in formula (I), wherein R 1 , R 2 , T, R a , R b , R c , R d , R e Have the meaning described in the present application;The phenyl-tetrazole oxime derivatives described in the present application have excellent prevention effect on cucumber downy mildew, rice sheath blight, cucumber gray mold, cucumber powdery mildew and the like, and can be further developed as a fungicide for application.

This invention discloses an oxyindene compound containing substituted pyridine and its application as a fungicide. The oxyindene compound containing substituted pyridine has broad-spectrum fungicidal activity, especially effective in controlling rice sheath blight, apple tree rot, rapeseed sclerotinia stem rot, wheat scab, pepper blight, cucumber anthracnose, tomato gray mold, corn curvature blight, rice blast, tomato early blight, wheat take-all, and wheat stem rot. It can be used as a fungicide for the prevention and control of the above-mentioned plant diseases.

The invention discloses a bis (N-acylamino-3, 1-benzoxazinyl) methane compound and a preparation method and application thereof.The compound takes an arylamine compound and bromoacetyl bromide as raw materials, triethylamine as an acid-binding agent and dichloromethane as a solvent to react in an ice-water bath to obtain an N-aryl-2-bromoacetyl arylamine compound, then the N-aryl-2-bromoacetyl arylamine compound is subjected to multi-step reaction, and the bis (N-acylamino-3, 1-benzoxazinyl) methane compound is obtained. Finally, the bis (N-acylamino-3, 1-benzoxazinyl) methane compound with bactericidal activity is obtained. The raw materials for synthesis of the compound are cheap and easy to obtain, and the synthesis method is simple. Meanwhile, the compound has a good inhibition effect on the activity of crop germs, especially has remarkable inhibition activity on sclerotinia sclerotiorum, phytophthora, gibberellic disease bacteria, magnaporthe oryzae, botrytis cinerea and rhizoctonia solani, and has remarkable application value in the aspects of crop disease control and drug resistance challenge.

The invention discloses a hydrazide compound taking syringic acid as a lead as well as a preparation method and application of the hydrazide compound, and a biological activity test result shows that all the compounds have excellent and broad-spectrum antibacterial activity on tested plant pathogenic fungi. Wherein the inhibition effect of most target compounds on plant pathogenic fungi is superior to that of positive control boscalid, the compound 11 has the best antibacterial effect on rhizoctonia solani, fusarium graminearum, alternaria solani, colletotrichum frutescens and colletotrichum sorghum, and EC50 values of the compound 11 are respectively 0.258 [mu] g / mL, 0.679 [mu] g / mL, 0.424 [mu] g / mL, 0.384 [mu] g / mL and 0.975 [mu] g / mL; for colletotrichum gloeosporioides, the compound 12 has the best antibacterial effect, and the EC50 value of the compound 12 is 0.989 mu g / mL; and secondly, a compound 11 with an EC50 value of 1.248 [mu] g / mL. The hydrazide compound prepared by taking syringic acid as a lead has excellent, broad-spectrum and efficient plant pathogenic microorganism resisting activity, and can be used for preventing and treating plant diseases caused by plant pathogenic microorganisms.

The invention discloses a rice fork head related structural domain protein coding gene OsFHA11 and application thereof, and belongs to the technical field of plant genetic engineering. According to the invention, the OsFHA11 gene is connected with an overexpression vector through a genetic engineering means and then is transformed into rice, so that the expression of the gene in the transformed rice plant is improved, and the resistance of the rice plant to sheath blight can be improved. Through cloning of the OsFHA11 gene and analysis of the sheath blight resistance function of the OsFHA11 gene, analysis of a molecular mechanism of rice sheath blight resistance is facilitated. In practice, a sheath blight resistant rice material can be cultivated by using the gene through a transgenic means, and a sheath blight resistant rice variety with stable characters is further obtained through interspecies hybridization, so that the occurrence of sheath blight is effectively controlled, and the rice yield is increased.