12 results about "Bakanae" patented technology

This invention provides compounds and methods of application that possess both broad-spectrum antifungal activity and plant-induced resistance, belonging to the field of agricultural technology. It addresses the problem that "traditional pure immune inducers must be applied before disease onset, making it difficult to meet the full-cycle control needs of disease prevention and treatment in the field." Compared to the previously developed PC1 and PC20, the two compounds of this invention, 2,4-dibromo-6-nitrophenol and 7-deazon-2'-deoxy-7-iodoadenosine, can both inhibit the growth of rice blast fungus and significantly improve rice resistance to rice blast through foliar spraying, meeting the full-cycle control needs of disease prevention and treatment in the field. Furthermore, these two compounds can directly inhibit the growth of various fungal pathogens such as peanut white mold, tomato gray mold, wheat scab, rice bakanae disease, rice false smut, mango malformation, and banana wilt.

This invention discloses a fungicide composition containing WML-01 and triazole compounds. The fungicide composition is characterized by comprising WML-01 and triazole compounds in a mass ratio of 10:1 to 1:10. The fungicide composition provided by this invention, with WML-01 and triazole agents as active ingredients, exhibits a synergistic effect in the control of rice bakanae disease, wheat stem rot, wheat scab, plant root rot, and rapeseed sclerotinia stem rot. It can effectively improve disease control efficacy, reduce pesticide usage, delay the development of pesticide resistance, and increase crop yield. It is safe, effective, and economical, and has broad market application prospects.

The invention discloses a seed treatment agent containing metalaxyl-M (A), benziothiazolinone (B) and pydiflumetofen (C) and application of the seed treatment agent. The mass ratio of the metalaxyl-M to the benziothiazolinone to the pydiflumetofen is (1-10): (1-5): (1-10). Secondly, the three effective components are compounded and prepared into the seed treatment suspending agent, and the seed treatment suspending agent can effectively prevent and treat rice bakanae disease, rice seedling rot, peanut damping-off and corn stalk rot. Through synergistic interaction of the three components, the bactericidal spectrum is effectively expanded, and the emergence rate of rice, peanut and corn seeds and the stress resistance of crops can be greatly improved, so that the yield is improved.

The invention discloses an application of a bactericidal agricultural composition containing WML-01 and a methoxy acrylate medicament (QoIs) in prevention and treatment of rice bakanae disease, wheat stem rot, wheat scab, plant root rot, rice blast, plant anthracnose and sclerotinia rot of colza. In the bactericidal agricultural composition containing the WML-01 and the methoxyl acrylate medicament, the mass ratio of the WML-01 to the methoxyl acrylate medicament is (10: 1) to (1: 10). The bactericidal agricultural composition can be used for preventing and treating rice bakanae disease, wheat stem rot, wheat scab, plant root rot, rice blast, plant anthracnose and sclerotinia rot of colza, and can effectively solve the problems of few medicaments for preventing and treating the seven diseases, unstable prevention effect, high prevention and treatment cost and drug resistance in the current production; wide market application prospects are realized.

The invention discloses a molecular marker screening method of a rice bakanae disease resistance gene, and relates to the field of biotechnology and plant genetic breeding. The method comprises the following components: S1, construction of a rice protein library and phage display, S2, specific binding screening with pathogenic bacteria of the rice bakanae disease, S3, identification of resistance proteins and corresponding genes, and S4, development of molecular markers. By constructing a rice protein library phage display system and utilizing a specific binding screening technology with rice bakanae disease pathogenic bacteria, the resistance-related protein and the corresponding gene can be efficiently screened from a large number of rice genes, and compared with a traditional method, the screening mode is more direct and efficient, and the screening cost is reduced. Errors caused by non-specific screening are reduced, and the efficiency and accuracy of resistance gene screening are greatly improved.

The invention belongs to the technical field of pesticides, and particularly relates to a bactericide composition containing pydiflumetofen and benzovindiflupyr. The invention relates to a bactericide composition. The effective components of the bactericide composition are formed by compounding pydiflumetofen and triflumizole allylbenzene. According to the bactericidal composition disclosed by the invention, the pydiflumetofen and the triflumizole allylbenzene are compounded according to a certain mass, so that the bactericidal composition shows a synergistic interaction effect on various plant fungal disease pathogenic bacteria, and the control effect on plant diseases can be improved; the composition can provide support for prevention and treatment of wheat sharp eyespot, wheat leaf spot, wheat root rot, curvularia maize leaf spot, corn southern leaf blight and rice bakanae disease.

The invention discloses a method for constructing an RNA interference vector of pathogenic genes of rice bakanae disease pathogenic bacteria, and relates to the technical field of genetic engineering.The construction method comprises the steps that pathogenic gene segments are obtained, specifically, the pathogenic gene sequences of the rice bakanae disease pathogenic bacteria are retrieved from a gene database, specific primers with specific restriction enzyme recognition sites are designed, and the specific primers are used for identifying the pathogenic genes of the rice bakanae disease pathogenic bacteria; the method comprises the following steps: carrying out PCR (Polymerase Chain Reaction) amplification by taking pathogenic bacteria genome DNA as a template, and recovering and purifying a target gene segment after agarose gel electrophoresis separation; by optimizing the construction process of the RNA interference vector, efficient silencing of a target gene is achieved, specific restriction enzyme recognition sites and specific primers are utilized, pathogenic gene segments of pathogenic bacteria of the rice bakanae disease are retrieved and amplified from a gene database, and the pathogenic gene segments of the pathogenic bacteria of the rice bakanae disease are obtained. And then the RNA is connected and transformed with an intermediate vector and a plant expression vector to finally obtain the RNA interference vector capable of silencing the pathogenic gene, and the method has higher construction efficiency and more accurate silencing effect.

The invention relates to the technical field of rice seed treating agents, in particular to a rice seed treating agent and application thereof, the rice seed treating agent comprises an effective component A, an effective component B and an assistant, the effective component A is pydiflumetofen, the effective component B is ipconazole, the content of the component A is 1-9%, and the content of the component B is 3-20%. According to the invention, the pydiflumetofen and ipconazole are compounded, so that the safety of rice seed treatment is effectively improved, a very good prevention and treatment effect on bakanae disease germs carried on rice seeds is achieved, the prevention and treatment effect is outstanding, the germination rate of the seeds can be effectively ensured in a seed germination accelerating process, the emergence rate is excellent, and the application prospect is wide. The germination probability of bakanae disease germs is greatly reduced, and a very good prevention effect on the rice bakanae disease is achieved. The medicament disclosed by the invention is applied to prevention and treatment of the rice bakanae disease, effectively plays a good role in preventing the rice bakanae disease, is long in prevention and treatment effect time, causes few bakanae disease after growth and development of the rice, and greatly reduces the harm of the bakanae disease to the rice.

The invention discloses an antagonistic bacillus compound preparation and application of the antagonistic bacillus compound preparation to prevention and treatment of rice bakanae disease, and relates to the technical field of agricultural biological prevention and treatment. By combining the magnetic nanoparticles and applying the specific magnetic field, the composite preparation can be guided to gather towards the root system and the disease-prone part of the rice, and by means of the precise targeted prevention and control mode, the prevention and control effect of the composite preparation on the rice bakanae disease is remarkably improved, and the problems of agent waste and environmental pollution possibly existing in a traditional prevention and control method are reduced.

The disclosure belongs to the technical field of rice planting and discloses a method for raising rice seedlings in block matrix cotton based on a walnut green peel fermentation extract. The walnut green peel fermentation extract of the disclosure is obtained by crushing and fermenting the walnut green peel, decomposing it in an alkaline environment, and extracting a water-soluble extract and an organic solvent extract, respectively. The obtained walnut green peel fermentation extract can improve the effect in soaking seeds of rice, adjust an acidity of the matrix cotton, and synergistically improve prevention and control of seed-borne diseases such as bakanae disease; and the walnut green peel fermentation extract is used to replace chemical control agents in block matrix cotton seedling raising to promote strong seedlings and root growth, which facilitates machine transplantation and improves machine transplantation efficiency.

The present invention relates to an asymmetric aromatic diselenide compound and the use thereof in the preparation of pesticides, particularly to the use thereof in the preparation of anti-plant virus agents and fungicides. The asymmetric aromatic diselenide compound of the present invention exhibits a good efficiency on tobacco mosaic virus (TMV) at a concentration of 500 mg / L, achieving an in-vivo inactivation efficiency of 71.6%, an in-vivo protective efficiency of 58.3%, and an in-vivo therapeutic efficiency of 60.1%. The asymmetric aromatic diselenide compound of the present invention exhibits good control effects on tomato early blight, wheat Fusarium head blight, rice blast, pepper Phytophthora blight, rapeseed Sclerotinia rot, cucumber gray mold, rice sheath blight, cucumber wilt, peanut brown spot, apple ring rot, wheat sharp eyespot, southern corn leaf blight, watermelon anthracnose, and rice bakanae disease at a concentration of 50 mg / L, and has a fungicidal activity of up to 92.3%.

This invention discloses a microbial agent for controlling soil-borne diseases of grain crops, its preparation method, and its application, belonging to the field of microbial technology. The microbial agent for controlling soil-borne diseases of grain crops of this invention comprises the following raw materials in parts by weight: 40-50 parts of functional microbial agent, 20-30 parts of carrier, 5-8 parts of protectant, 5-8 parts of nutrient adjuvant, and 1-3 parts of dispersant. The functional microbial agent includes *Achromobacterium xyloseoxidans*, *Streptomyces caudatus*, and *Trichoderma hookeri*. The three strains in the microbial agent of this invention work synergistically to achieve significant disease resistance, effectively controlling wheat take-all, wheat sheath blight, rice bakanae disease, and rice false smut, especially showing the best inhibitory effect on rice false smut. It effectively solves problems such as high incidence of soil-borne diseases in grain crops, severe continuous cropping obstacles, and chemical pesticide pollution, ultimately achieving a comprehensive effect of "disease prevention and yield protection, quality improvement and efficiency enhancement, and green environmental protection," which is of great significance for ensuring food security and sustainable agricultural development.