133 results about "Biotic stress" patented technology

Provided herein are compositions and methods to improve plant resistance to abiotic and biotic stress, thereby improving crop yield. Provided herein are compositions including zinc, copper. Compositions described herein have plant priming activity where the plant's defenses against abiotic and biotic stress are boosted.

The invention relates to the technical field of artificial intelligence, in particular to a wheat abiotic stress character SNP (Single Nucleotide Polymorphism) prediction method based on an automatic CNN (Convolutional Neural Network) model, which comprises the following steps of: collecting GWAS data related to wheat from a GWAS Atlas database, and constructing a high-quality mutation site data set; performing feature extraction on the data set by using a DNA original sequence, text-based features and structure-based features, sorting the importance of input features by using an SHAP method, assisting feature selection, and explaining the result of the prediction model; then, an automatic architecture search framework is constructed, automatic neural architecture search is adopted, the model is evolved in a specified search space, the optimal performance is achieved on a verification set, and the accuracy, the AUPR and the AUC of the model are evaluated on a test set. The invention provides a deep learning framework which is efficient, accurate and explainable, and is used for predicting the SNP related to the wheat biological stress, so that the development of wheat stress resistance breeding and genomics research is promoted.

The present invention relates to a method to improve the growth, development and / or resistance to abiotic stress / biotic stress of a plant.

The present disclosure provides compositions, kits, and systems comprising engineered bacteria and agricultural biologics, and methods of using the same to treat plants and improve one or more plant beneficial traits, such as plant yield, nutrient uptake, and resistance to abiotic or biological stress. Using the compositions, kits, and systems disclosed herein can further 5 reduce fertilizer usage. The present disclosure also proposes methods of treating plants using the engineered bacteria with agricultural biologics.

The invention relates to a fluxazole amide composition and a preparation method thereof. More specifically, the present invention relates to synergistic compositions of fluoxazole amides and methods of preparing stable and non-phytotoxic formulations, the synergistic composition comprises fluoxazole amide or an agrochemically acceptable salt thereof, an insecticide selected from diamides, at least one or more compounds selected from insecticides, fungicides and plant health additives, and an agrochemically acceptable excipient. The invention further relates to pesticidal compositions for controlling harmful pests in plants, which can be formulated, are environmentally safe, exhibit high efficacy, and act on disease resistance management or delay the development of disease resistance by employing a variety of modes of action, plant tolerance against insect pests, mites, fungal and bacterial diseases and abiotic stress is increased and the overall health and vigor of the treated plant is improved.

The invention discloses a small peptide for improving abiotic stress of tartary buckwheat and application of the small peptide, and relates to the technical field of biotechnology and botany, the small peptide is FtRALF6, and the amino acid sequence of the FtRALF6 is as shown in SEQ ID No.1. By exogenous application of the FtRALF6 small peptide, salt stress resistance, heavy metal stress resistance, cold stress resistance and heat stress resistance of the tartary buckwheat can be remarkably improved, normal growth and physiological functions of the tartary buckwheat under adversity are effectively maintained, and yield and quality are improved. The small peptide is small in molecular weight, easy to absorb, environment-friendly and large in application potential, the tartary buckwheat planting range can be expanded, the planting economic benefits are improved, and a new thought is provided for crop stress resistance research and technical development.

The invention provides a crop evapotranspiration prediction method and device, equipment, a storage medium and a program product. The method comprises the steps of determining reference evapotranspiration data based on evapotranspiration input data; determining the relationship between the soil water potential and the soil moisture stress coefficient based on the evapotranspiration measured data and the reference evapotranspiration data; and based on the reference evapotranspiration data and the relationship, predicting the crop evapotranspiration of the to-be-predicted region to obtain a crop evapotranspiration prediction result. According to the method, reference evapotranspiration data is determined through evapotranspiration input data obtained from a to-be-predicted area, evapotranspiration measured data obtained from the to-be-predicted area are used for jointly determining the relation between the soil water potential and the soil moisture stress coefficient, and finally the crop evapotranspiration amount of the to-be-predicted area is predicted based on the reference evapotranspiration data and the determined relation. And obtaining a crop evapotranspiration prediction result. According to the method, the abiotic stress condition of the soil is effectively judged through the soil water potential, and the accuracy of crop evapotranspiration prediction is improved.

It relates to aldoximes or pharmaceutically acceptable salts thereof or isomers thereof able of releasing nitric oxide (NO) for use in the treatment of a condition or a disease which is sensible to the action of the NO, wherein the treatment comprises administering the aldoxime to a subject and releasing NO from the aldoxime through an in vivo enzymatically catalyzed redox reaction at physiological pH, as well as to the in vivo use of such aldoximes or acceptable salts for plants thereof or isomers thereof for biological applications which are sensible to the action of the NO in plants, wherein the biological application is selected from the group consisting of plant rooting agent, plant structure modifier, stimulators of the tolerance to abiotic or biotic stress, plant protector from stress induced by ammonium nutrition as an exclusive source of nitrogen, plants protector from hydric stress, and as germination inducer. It also relates to compositions comprising them.

The invention provides a sugarcane ScHAT1 gene, a protein and application, belongs to the technical field of biology, and particularly discloses application of the sugarcane ScHAT1 gene in disease resistance, salt resistance and drought resistance. According to the invention, the biological stress and abiotic stress response of the ScHAT1 are preliminarily explored, and a solid foundation is laid for deeply researching the function and the action mechanism of the gene in the pathogenic bacteria stress and abiotic stress response process of the sugarcane.

The present invention relates to a fluoxazole amide composition that provides synergistic control of insect pests and mites under one-time application, and a method for preparing the same. More specifically, the present invention relates to a synergistic composition having a fluoxazole amide or an agrochemically acceptable salt thereof, at least one or more compounds selected from insecticides, at least one or more compounds selected from plant health additives, and a process for preparing said composition, and an agrochemically acceptable excipient. The invention also relates to a pesticidal composition which improves the health, yield, vigor, quality and tolerance to abiotic or biological stress of treated plants, prevents lodging of susceptible plants due to biological and abiotic factors such as heavy rain, wind, insects and disease damage, and also improves the yield, vigor, quality and tolerance to abiotic or biological stress. And provides residue control (i.e., longer duration control) and direct crop protection as well as effective control of insects and mites that are difficult to kill and have drug resistance.

The invention relates to the technical field of marine ecological environment monitoring, in particular to a marine ecological environment assessment early warning system based on big data and AI, which comprises a multi-source data fusion module, a dynamic feature extraction module, a meteorological disturbance coefficient calculation module, an ecological index generation module and a coupling early warning generation module. Wherein the multi-source data fusion module is used for collecting multi-source data in real time; the dynamic feature extraction module is used for extracting 72-hour change gradients of the three types of core parameters; the meteorological disturbance coefficient calculation module is used for calculating and outputting a meteorological disturbance coefficient; the ecological index generation module is used for generating a water quality deterioration index and a biological stress index; and the coupling early warning generation module is used for outputting an ecological risk level signal. According to the method, meteorological interference is reduced in real time, water quality deterioration and biological stress indexes are subjected to weighted fusion, the marine ecological environment risk is accurately evaluated, and scientific support is provided for ecological protection and pollution early warning.

The invention provides a sugarcane ScGSTU10 gene with a stress resistance function, a protein and application, belongs to the technical field of biology, and particularly discloses application of the sugarcane ScGSTU10 gene in disease resistance, drought resistance, salt resistance and low temperature resistance. According to the invention, the biological stress and abiotic stress response of the ScGSTU10 are preliminarily explored, and a solid foundation is laid for deeply researching the function and the action mechanism of the gene in the process that the sugarcane responds to pathogenic bacteria stress and abiotic stress.

The invention provides a sugarcane ScGSTU8 gene with a stress resistance function, a protein and application, belongs to the technical field of biology, and particularly discloses application of the sugarcane ScGSTU8 gene in disease resistance, drought resistance, salt resistance and low temperature resistance. According to the invention, the biological stress and abiotic stress response of the ScGSTU8 are preliminarily explored, and a solid foundation is laid for deeply researching the function and the action mechanism of the gene in the pathogenic bacteria stress and abiotic stress response process of the sugarcane.

The invention belongs to the field of biological gene engineering, and relates to application of a ginseng transcription factor PgERF2 in improvement of plant resistance to alternaria alternata, and the sequence of the ginseng transcription factor PgERF2 protein is as shown in SEQ ID NO.1; the sequence of the ginseng transcription factor PgERF2 gene is as shown in SEQ ID NO. 2. According to the invention, the PgERF2 gene is cloned, a corresponding plant expression vector is constructed, and the gene is successfully transferred into wild type arabidopsis thaliana. A transcriptomics analysis result shows that the response to biological stress in a transgenic plant is activated, the expression level of the plant defense protein related gene AtPDF1.2 A is remarkably improved, and it is proved that PgERF2 can be directly combined with a GCC-box element to activate the expression of the plant defense protein related gene AtPDF1.2 A, so that the resistance to alternaria alternata is remarkably enhanced.

The invention belongs to the technical field of plant genetic engineering and molecular breeding, and particularly relates to application of a soybean GmUGT72E1 gene in regulation and control of soybean plant height and enhancement of resistance of soybeans to drought and alkali stress. Plant height is a key agronomic character influencing lodging resistance and photosynthetic efficiency of soybeans, drought and alkali stress are core abiotic stress factors restricting yield and quality of the soybeans, and the three factors jointly lead to remarkable global soybean yield reduction loss. Gene cloning, vector construction and transgenic function verification prove that overexpression of the GmUGT72E1 gene can reduce the plant height of soybeans by 15%-25%, meanwhile, the tolerance of the soybeans to drought and alkali stress is remarkably improved, the relative water content of leaves under the drought stress is increased by 25%-30% compared with that of wild type leaves, and chlorophyll under the alkali stress is increased by 40%-50% compared with that of the wild type leaves. According to the application disclosed by the invention, the dual regulation and control functions of the GmUGT72E1 gene are defined, key gene resources and technical support are provided for soybean dwarf stress-resistant collaborative improvement, dwarf stress-resistant soybean varieties can be cultivated by means of transgenosis, gene editing and the like, and the application has important agricultural application value.

The present invention relates to a method of preventing or alleviating the effect of abiotic stress in a plant, which involves applying to the plant, including plant seeds or to a plant growth medium, an effective amount of phenylalanine and / or any salt or solvate thereof and a seaweed extract.

Provided herein are compositions and methods to improve plant resistance to abiotic and biotic stress, thereby improving crop yield. Provided herein are compositions including zinc, copper, and an acid, where the acid is selected from citric acid, sulfuric acid, oxalic acid, humic acid, fulvic acid, boric acid, acetic acid, and a combination thereof. Certain embodiments optionally include ammonium sulfate. Compositions described herein have plant priming activity where the plant's defenses against abiotic and biotic stress are boosted.

Disclosed herein is a method of using resin acids as defense gene inducers for biotic stress in a plant. Also disclosed herein are a composition including rosin and a method of using the composition as a defense gene inducer for biotic stress in a plant.

This application belongs to the technical field of cotton gene resistance breeding, specifically involving two cotton GbCCD Patent application for the application of genes in cotton resistance to Verticillium wilt. In view of the important role of SLs as a new type of hormone in plant biotic and abiotic stress, in this application, the inventors used reverse genetics, genetic engineering, molecular biology and bioinformatics to synthesize SLs genes. CCD7 / 8 Expression and V. dahliae Response relationship research, and through CCD7 / 8 Gene silencing and related regulatory pathway studies have initially clarified CCD7 / 8 The regulatory mechanism and effect of genes in SLs cotton Verticillium wilt resistance can lay a good technical foundation for the prevention and control of cotton Verticillium wilt and the breeding of new plant varieties resistant to Verticillium wilt. It can also provide new reference and reference for the screening of new disease-resistant genes and the breeding of resistant plants.

The application belongs to the technical field of molecular plant pathology, and particularly relates to a peanut disease-resistant gene AhNHL24 and application thereof. Through whole genome identification and bioinformatics analysis, 45 NHL family genes (AhNHL) are identified in peanuts, and gene expression analysis shows that most of the AhNHL genes can respond to the induction of biological stress and abiotic stress. Gene disease resistance identification finds that transient overexpression of AhNHL14, AhNHL24 and AhNHL31 can significantly improve the resistance of tobacco and peanuts to Pseudomonas solanacearum, and the disease resistance of AhNHL24 is the strongest. Through transgenic tobacco heterologous overexpression of AhNHL24 and inoculation experiments, it is shown that the peanut and tobacco plants overexpressing AhNHL24 not only have significantly enhanced resistance to Pseudomonas solanacearum, but also have significantly enhanced resistance to Sclerotium rofsii. The application provides an important basis for the cultivation of plant (peanut and tobacco, etc.) broad-spectrum disease-resistant varieties.

The present invention relates to a method to improve the growth, development and / or resistance to abiotic stress / biotic stress of a plant.

The present invention relates to methods for improving plant growth, development and / or resistance to abiotic / biological stress.

The present application relates to the technical field of marine ecological environment monitoring, and particularly relates to a marine ecological environment assessment and early warning system based on big data and AI, comprising a multi-source data fusion module, a dynamic feature extraction module, a meteorological disturbance coefficient calculation module, an ecological index generation module and a coupling early warning generation module; wherein: the multi-source data fusion module is used for real-time collection of multi-source data; the dynamic feature extraction module is used for extraction of 72-hour change gradients of three types of core parameters; the meteorological disturbance coefficient calculation module is used for calculation and output of meteorological disturbance coefficients; the ecological index generation module is used for generation of water quality deterioration indexes and biological stress indexes; and the coupling early warning generation module is used for output of ecological risk grade signals. Through real-time reduction of meteorological interference and weighted fusion of water quality deterioration and biological stress indexes, the present application can accurately assess marine ecological environment risks and provide scientific support for ecological protection and pollution early warning.

The present invention relates to methods for improving plant growth, development and / or resistance to abiotic / biological stress.

Provided is an agent for improving abiotic stress tolerance in a plant, said agent being capable of further improving the effect of improving abiotic stress tolerance using a compound such as ergothioneine. The agent for improving abiotic stress tolerance of plants according to the present invention comprises: a first component that is a compound represented by formula (I), a tautomer thereof, or an agronomically acceptable salt thereof; and at least one second component selected from the group consisting of an amino acid, a peptide having a length of 2-10 amino acids, a betaine, an organic acid or a salt thereof, a nucleic acid base, a vitamin, and a sugar or a sugar alcohol. (In formula (I), R1 and R2 independently represent a hydrogen atom or an alkyl group having 1-4 carbon atoms, and R3, R4, and R5 independently represent an alkyl group having 1-4 carbon atoms)

The present invention relates to a method to improve the growth, development and / or resistance to abiotic stress / biotic stress of a plant.

The invention belongs to the technical field of molecular biotechnology and plant genetic engineering, and particularly relates to a grape MYB transcription factor VvMYB108 and application thereof. The invention provides an MYB transcription factor VvMYB108 for regulating and controlling biological stress in a postharvest storage process of grapes. An overexpression strain of the VvMYB108 in arabidopsis thaliana is utilized to find that the sensitivity of a VvMYB108 transgenic strain to botrytis cinerea is enhanced. By using an overexpression strain of the VvMYB108 in arabidopsis thaliana, it is found that the disease resistance of the VvMYB108 transgenic strain to Pst DC3000 is enhanced.

The present invention belongs to the field of biological genetic engineering and relates to the use of ginseng transcription factor PgERF2 in improving plant resistance to Alternaria alternata. The sequence of the ginseng transcription factor PgERF2 protein is shown in SEQ ID NO.1; the sequence of the ginseng transcription factor PgERF2 gene is shown in SEQ ID NO.2. The present invention clones the PgERF2 gene and constructs a corresponding plant expression vector, successfully transferring the gene into wild-type Arabidopsis thaliana. Transcriptomic analysis results show that the response to biotic stress is activated in the transgenic plants, and the expression level of the plant defense protein-related gene AtPDF1.2A is significantly increased. It is also demonstrated that PgERF2 can directly bind to the GCC-box element to activate the expression of the plant defense protein-related gene AtPDF1.2A, thereby significantly enhancing resistance to Alternaria alternata.

The invention discloses application of a nifU2 gene in inhibition of plant cell ferroptosis, and belongs to the technical field of gene engineering. The invention provides an effect of a plant iron-sulfur cluster transporter nifU2 in regulation and control of plant iron-sulfur clusters, and solves the problem of the effect of the plant iron-sulfur cluster transporter in ferroptosis in the prior art. The nifU2 participates in the process of plant ferroptosis, and participates in plant antiviral response by inhibiting ferroptosis. According to the application, nifU2 is identified as a regulatory factor of ferroptosis in plant cells for the first time, and subsequent exploration of ferroptosis related host factors and regulatory mechanisms thereof under other biological stress conditions is facilitated.

Disclosed herein are plant-modifying compositions including a plurality of plant messenger packs (PMPs) (e.g., including a plant extracellular vesicle (EV), or segment, portion, or extract thereof), wherein the PMPs include a plant-modifying agent, and wherein the plant-modifying agent comprising the heterologous RNA. The compositions herein are useful in methods for modifying plants such as to increase plant fitness, wherein the increase in plant fitness comprising an increase in development, growth, yield, resistance to abiotic stressors, or resistance to biotic stressors.