3199 results about "Mycoherbicide" patented technology

The present application relates to a kind of deletion mutant nucleic acid and its application in anti-herbicide.The deletion mutation occurs in the promoter of rice OsHPPD Gene, the length of deletion sequence is at least 10 bp, and the A in the start codon ATG of gene is 0, at least the bases located in the upstream of start codon ATG from 2041 to 2032 are deleted. OsHPPD The present application finds that by deleting part of the sequence in the promoter of rice OsHPPD Gene, rice can obtain resistance to HPPD inhibitor herbicides, which is of great application value for ensuring agricultural production safety and improving the efficiency of herbicide use.

The invention discloses a weeding path planning method for an agricultural weeding robot. The weeding path planning method comprises the following steps that 1, the weeding robot is started, and whether all sensors and cameras work normally or not is checked; 2, establishing a basic three-dimensional map of the farmland; 3, generating a real-time weed distribution map; 4, identifying the types and forms of the weeds, and marking on the farmland map; 5, generating an optimal weeding path; 6, in the advancing process of the robot, the path is dynamically adjusted to avoid crops; 7, according to the weed density and type, the robot executes a corresponding weeding strategy; 8, optimizing a weeding strategy and a path planning algorithm; and 9, after the weeding task is completed, the robot returns to the initial position or the charging station along the shortest path to prepare for next operation. The weeding efficiency and accuracy are improved, unnecessary repeated weeding and herbicide waste are reduced, and the weeding effect of the whole farmland is optimized.

The present invention relates to the field of pesticide herbicides, and specifically relates to a 3-phenylisoxazoline-5-carboxamide compound as represented by general formula (I), a stereoisomer thereof, an agriculturally acceptable salt thereof, a preparation method therefor, an herbicidal composition and the use thereof in the field of plant protection. X1, X2, X3, R1, Z and G are as defined herein.

The present disclosure relates to the field of biotechnology and provides novel recombinant DNA molecules for conferring tolerance to icafolin herbicides. The present disclosure also provides herbicide tolerant transgenic plants, seeds, cells, and plant parts comprising the recombinant DNA molecules, and methods of using the same.

Provided herein are newly identified genes encoding proteins involved in herbicide detoxification processes in plants. It is demonstrated that these genes and their encoded proteins are involved in herbicide detoxification processes in plants and increased expression of these genes can increase herbicide tolerance in plants. Accordingly, methods for generating a plant with increased herbicide tolerance is provided, including gene-editing and transformation methods that increase the level of the one or more herbicide detoxification genes or gene products in plants. Also provided are the plants, seeds, plant cells, or plant parts generated by or during these methods.

The invention relates to a deleted mutant nucleic acid and application thereof in herbicide resistance. The deletion mutation occurs in a promoter of a rice OsHPPD gene, the length of a sequence of a deleted nucleic acid is at least 25 bp, A in an initiation codon ATG of the OsHPPD gene is taken as a 0 site, and at least bases at 2299 to 2275 sites on the upstream of the initiation codon ATG are deleted. According to the application disclosed by the invention, the rice can obtain resistance to HPPD inhibitor herbicides by deleting part of sequences in the promoter of the rice OsHPPD gene, so that the application has great application values in guaranteeing agricultural production safety and improving the use efficiency of the herbicides.

The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A) and saflufenacil (component B) to emerged weeds, or an area, where weeds are growing.

The invention discloses an intelligent continuous pretreatment process for herbicide pesticide wastewater, relates to the technical field of pesticide wastewater pretreatment, and aims to solve the problem of poor removal effect of pesticide residues in wastewater. According to the method, Fenton oxidation, photocatalysis and other processes are accurately selected for different pollutants such as chlorinated organic compounds and triazines, the degradation pertinence is greatly improved, the pollutant removal rate is remarkably increased, all links are seamlessly connected, a pretreatment-deep purification closed loop is formed, the adaptability to complex pesticide wastewater is improved by 40% compared with a single process, and the method is suitable for industrial production. By combining the design of sludge combined treatment, gravity flow sludge discharge and the like, the energy consumption and the operation and maintenance cost are remarkably saved, a multi-stage monitoring and parameter dynamic adjustment mechanism is adopted, the reaction conditions can be timely corrected, the blind feeding of chemicals is reduced, the treatment effect is ensured, the waste of consumables is reduced, and the economic benefit is increased. Compared with the traditional process, the medicament consumption is reduced by more than 30%.

The invention belongs to the field of molecular biology, and particularly relates to a transgenic soybean event LP207-1 and a detection method thereof. The invention provides a nucleic acid sequence for detecting a transgenic soybean event LP207-1, the nucleic acid sequence is selected from one or more of sequences SEQ ID NO: 1-7 or complementary sequences thereof, and the nucleic acid sequence is derived from a plant, a seed or a cell of the transgenic soybean event LP207-1. A representative sample of a seed of the transgenic soybean event LP207-1 is preserved in the China Center for Type Culture Collection on May 23, 2025, and the preservation number is CCTCC NO: P202516. The transgenic soybean event LP207-1 has good resistance to lepidoptera pests and can tolerate agricultural herbicides containing glyphosate and glufosinate-ammonium, economic loss caused by the lepidoptera pests can be avoided, and the yield is not reduced; and the breeding efficiency is enhanced, and the molecular marker can be used for tracking a breeding population and transgenic insertion fragments in offspring of the breeding population. The detection method provided by the invention can quickly, accurately and stably identify the existence of the plant material derived from the transgenic soybean event LP207-1.

The present invention discloses a vibration mechanical weeding device based on machine vision, which relates to the field of agricultural machinery, and is specifically applied to intelligent field weeding of various crops in the agricultural field. The device consists of a three-point suspension, a body, a visual part, and an actuator. The device can be applied to weeding operations of various crops in different growth cycles. At the same time, the present invention adopts the traditional three-point suspension and hanging method of agricultural machinery, can be carried on various field walking platforms, and can adapt to various complex field environments. The device applies machine vision technology, deploys a visual recognition system on the device, and controls the terminal actuator to avoid seedlings and weed after identifying and locating seedlings and grass through a camera. At the same time, the device innovatively adopts a method of using a vibrating tooth comb to break the soil and bring the grass to the soil surface, which minimizes the damage to the ridge platform, and at the same time has the effect of loosening the soil, reducing the amount of chemical herbicides, protecting the ecological environment, improving the weeding efficiency, and reducing the weeding seedling injury rate.

The invention relates to a deleted mutant nucleic acid and application thereof in herbicide resistance. The deletion mutation occurs in a promoter of the rice OsHPPD gene, the length of a deletion sequence is at least 10 bp, A in an initiation codon ATG of the OsHPPD gene is taken as a 0 site, and at least 2041-2032 sites of basic groups located on the upstream of the initiation codon ATG are deleted. According to the application disclosed by the invention, the rice can obtain resistance to HPPD inhibitor herbicides by deleting part of sequences in the promoter of the rice OsHPPD gene, so that the application has great application values in guaranteeing agricultural production safety and improving the use efficiency of the herbicides.

The invention discloses two polypogon fugax herbicide-resistant genes and application thereof, and belongs to the technical field of herbicide-resistant genes. The invention discloses CDS sequences of PfGSTup and PfGSTl1 genes of polypogon fugax for the first time, the CDS sequence of the PfGSTup gene is as shown in SEQ ID NO. 1, and the CDS sequence of the PfGSTl1 gene is as shown in SEQ ID NO. 4; it is found for the first time that transgenic escherichia coli can obtain mesosulfuron-methyl resistance by expressing PfGSTup and PfGSTl1 genes in escherichia coli, and two new mesosulfuron-methyl resistance GST family candidate genes derived from polypogon fugax are provided; the provided PfGSTup and PfGSTl1 genes can be used for culturing ALS inhibitor herbicide-resistant wheat varieties, and two candidate genes are provided for researching the ALS inhibitor herbicide-resistant mechanism of the polypogon fugax, detecting the resistance of the polypogon fugax and determining the medication period and the dosage.

The invention discloses regulation and control of a GmERECTAs gene (GmERs for short) on a soybean plant height and application of the GmERECTAs gene (GmERs for short). The invention belongs to the technical field of biology. An sgRNA sequence of a GmERs gene is recombined to a knockout vector pGES401 through a Golden Gate cloring technology. According to the method, four homologous genes of GmERs are knocked out by using a CRISPR / Cas9 technology, the four genes comprise GmERa, GmERb, GmERc and GmERd, and offspring screening is performed through herbicide resistance endowed by a Bar marker gene; after a positive result is obtained through screening, the GmERs gene knockout condition is determined through sequencing, and the plant height of a gene knockout soybean plant is remarkably reduced compared with that of a contrast. The invention has important significance for developing and breeding new soybean germplasm resources.

The invention discloses clethodim amine salt as well as a preparation method and application thereof, the clethodim amine salt is clethodim tert-butylamine salt, and the chemical structural formula of the clethodim amine salt is as follows: # imgabs0. The invention discloses the clethodim tert-butylamine salt, and the clethodim tert-butylamine salt is characterized by various means. The prepared clethodim tert-butylamine salt is good in stability, meanwhile, the herbicidal activity of the prepared clethodim tert-butylamine salt is not weaker than that of clethodim, and the stability and the herbicidal activity of the prepared clethodim tert-butylamine salt are both superior to those of other clethodim amine salts reported in documents. The prepared clethodim tert-butylamine salt is low in degradation rate in the high-temperature heat storage process and can be stored for a long time more easily compared with clethodim, and commercial products of the clethodim tert-butylamine salt can be kept more stable in the shelf life. The clethodim tert-butylamine salt prepared by the invention is high in melting point, is solid at normal temperature, can be processed into richer dosage forms as a herbicide, can be expanded to water dispersible granules (WG), wettable powder (WP) and other new dosage forms from the current dosage forms mainly comprising clethodim emulsifiable concentrate (EC), and is good in commercial prospect.

The invention provides a near-infrared spectrum rapid detection method and system for effective components of a herbicide, which are applied to the technical field of agricultural detection.The near-infrared spectrum rapid detection method comprises the steps of obtaining near-infrared spectrum data of a to-be-detected soil area and moisture content and compactness numerical values reflecting soil texture differences, and calculating the effective components of the herbicide on the basis of a preset interval to which the moisture content numerical value belongs; according to the method, the corresponding preset scattering correction parameter is selected, the actual scattering correction parameter is obtained through compactness numerical calculation, fine adjustment of the scattering correction parameter is achieved, and the quality and reliability of spectral data are improved through spectral correction; and the corrected spectrum is analyzed, so that the real condition of the herbicide in the soil can be reflected more accurately. Therefore, the interference of complex soil texture in the field on near infrared spectrum herbicide detection is effectively overcome, and the beneficial effect of rapidly and accurately detecting the effective components of the herbicide under the complex soil condition is achieved.

The invention relates to a nucleic acid molecule of a rice transformation event RN85zN-eH and a detection method. The nucleic acid molecule of the rice RN85zN-eH comprises a sequence shown in SEQ ID NO: 1 or a reverse complementary sequence thereof, or a sequence shown in SEQ ID NO: 2 or a reverse complementary sequence thereof. The rice transformation event RN85zN-eH disclosed by the invention has the characteristics of insect resistance and glufosinate-ammonium herbicide resistance, and the detection method can accurately and quickly identify whether a biological sample contains DNA molecules of the transgenic rice event RN85zN-eH or not.

The present invention relates to Alanine analogues of the formula (I) (I) where the variables are as defined in the claims and the description, and to the use of said Alanine analogues for controlling unwanted vegetation, and to methods of applying the Alanine analogues.

A method for selectively controlling weeds in monocotyledonous crops, which comprises applying to the crop cultiva- tion area an effective amount of a herbicide A selected from a compound of formula (I) and salts of the compound of formula (I); wherein R is hydrogen, (C1-C6)-alkyl or (C3-C6)-cycloalkyl.

The invention belongs to the field of agricultural biotechnology and environmental microbiological engineering, and discloses a herbicide mesotrione degradation detoxification enzyme protein, and a coding gene and application thereof. The nucleotide sequence of the gene is SEQ ID NO.1, the full length of the gene is 738bp, 245 amino acids are encoded, and the amino acid sequence of the gene is SEQ ID NO.2. The maximum homology of the Mdmnr and reported nitroreductase is only 48%, so that the Mdmnr is a new nitroreductase gene. The nitroreductase Mdmnr provided by the invention can catalyze nitro reduction of mesotrione, and the mesotrione is converted into a product AMBA without herbicidal activity, which indicates that the Mdmnr gene has huge application prospects in mesotrione-resistant transgenic engineering and biodegradation detoxification and repair of mesotrione residual pollution.

The invention discloses application of an Afa04Dg76000 gene in resistance of an oat herbicide. The Afa04Dg76000 gene is knocked down to reduce the resistance of the oat herbicide, and the Afa04Dg76000 gene is overexpressed to improve the resistance of the oat herbicide; the nucleotide sequence of the Afa04Dg76000 gene is as shown in SEQ ID NO. 1, and the amino acid sequence of the Afa04Dg76000 gene is as shown in SEQ ID NO. 2. According to the application of the Afa04Dg76000 gene in the herbicide resistance of the oats, a gene knock-down and overexpression strain of the Afa04Dg76000 is constructed through a TRV virus-mediated gene silencing (VIGS) system and a genetic transformation system of the oats, the herbicide resistance function of the Afa04Dg76000 is proved, and a new target is provided for germplasm improvement of cultivated oats.

The present disclosure relates to, inter alia, a weed control method. In one example, a method comprises applying to the locus a weed controlling amount of a pesticide composition comprising a FatA acyl-ACP thioesterase-inhibiting herbicide, wherein the crop plants are modified such that they comprise a FatA acyl-ACP thioesterase which provides the crop plant with tolerance against the FatA acyl-ACP thioesterase-inhibiting herbicide. Recombinant polynucleotides and suitable for use in the methods, and edited FatA acyl-ACP thioesterases are also disclosed.

To provide: herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I); and processes and intermediates used for the preparation of such derivatives.SOLUTION: The present invention relates to: herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I); and processes and intermediates used for the preparation of such derivatives. The invention further provides: herbicidal compositions comprising such derivatives; and the use of such compounds and compositions in controlling undesirable plant growth, in particular the use in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.SELECTED DRAWING: None

The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A), trifludimoxazin (component B) and optionally saflufenacil (component C) to emerged weeds, or an area, where weeds are growing.

To provide: herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I); and processes and intermediates used for the preparation of such derivatives.SOLUTION: The present invention relates to: herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I); and processes and intermediates used for the preparation of such derivatives. The invention further provides: herbicidal compositions comprising such derivatives; and the use of such compounds and compositions in controlling undesirable plant growth, in particular the use in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.SELECTED DRAWING: None

Herbicidal compositions comprising a herbicidal malonamide (Component A), selected from a compound of formula (I) and an auxin mimic (Component B).

The present disclosure relates to agrochemical combinations. More particularly, the present disclosure relates to a herbicidal combination comprising at least one carbamate herbicide and at least a second herbicide. The disclosure further relates to a herbicidal composition comprising asulam, at least a second herbicide and at least an agriculturally acceptable excipient.

The invention belongs to the technical field of herbicides, and particularly relates to a preparation method of pyroxasulfone. According to the method, an intermediate is mixed with a solvent, a catalyst and an oxidizing agent, pyroxasulfone can be prepared through oxidation, and the catalyst is any one or a mixture of two of magnesium oxide and tetramethylpiperidone. The pyroxasulfone preparation method has the beneficial effects that the yield of pyroxasulfone can be more than or equal to 95% through catalytic oxidation reaction including the solvent, the catalyst and the oxidizing agent; the catalyst has the advantages of economy and high efficiency, and certainly cannot cause heavy metal harm.

The invention relates to the technical field of agricultural agents, in particular to application of trans-2-hexenal as a weed germination inhibitor. It is found for the first time that trans-2-hexenal has an inhibition effect on wheat field gramineous weed germination under a certain concentration, and then application of trans-2-hexenal as a weed germination inhibitor is provided. The invention provides a better application mode of the trans-2-hexenal in the soil, and defines a wheat sowing safety interval after the trans-2-hexenal is applied. Therefore, the trans-2-hexenal can be used for reducing the grassy weed seed bank in the wheat field soil, the occurrence of wheat field weeds is controlled from the source, the green prevention and control of wheat field weeds are realized, and the use of chemical herbicides is reduced.