36 results about "Wilting" patented technology

The invention relates to the technical field of agricultural intelligent monitoring and regulation and control, and discloses a rice three-dimensional seedling raising seedling growth monitoring, diagnosis and regulation and control method, which comprises the following steps: S1, when any hanging basket reaches a target position, reducing the movement speed of the hanging basket, and obtaining a serial number image of the hanging basket; s2, when the hanging baskets stop moving, sequentially acquiring images right above and obliquely above all seedling trays in the hanging baskets corresponding to the serial number images of the hanging baskets; s3, respectively obtaining the areas of a green plant area, a yellow plant area, a black soil area and a seedling block area in the images right above and obliquely above the seedling tray, calculating the pixel number of each area, and obtaining the pixel ratio of different areas; and S4, acquiring the coverage rate, health index and spindling index of each seedling tray according to the ratio of pixels in different areas, dividing the seedlings in the seedling trays into five types of normal, spindling, vertical withering, insufficient fertilizer and strong, obtaining a growth vigor diagnosis result of the seedlings in the seedling trays, and generating a seedling growth vigor regulation and control prescription according to the growth vigor diagnosis result.

The application discloses a protein kinase gene positively regulating drought resistance of oats AVESA.00022b.r1.6C0001455 and application thereof, and belongs to the technical field of plant genetic engineering. AVESA.00022b.r1.6C0001455 The CDS sequence of the gene is shown as SEQ ID NO. 1, and the amino acid sequence is shown as SEQ ID NO. 2. Expression mode analysis shows that the gene is significantly induced and up-regulated under drought stress; virus-induced gene silencing verification shows that silencing the gene can significantly reduce the drought resistance of the oats; overexpression verification shows that overexpression of the gene can significantly enhance the drought resistance of the oats, and the performance is that wilting is delayed, the water loss rate is reduced, and the survival rate is improved. The application first proves that the gene is a key positive regulation factor of drought resistance in the oats, and can be used for cultivating drought-resistant transgenic plants and as a drought-resistant molecular marker for assisted breeding, and has important application value in genetic improvement of crop drought resistance.

The invention relates to the field of plant biotechnology and molecular biology, in particular to application of a VvECT10 gene in regulation and control of drought resistance of grapes. A strain with overexpressed VvECT10 gene is slow in leaf water loss and light in withering degree under a drought condition, the content of malondialdehyde (MDA) and hydrogen peroxide (H2O2) is remarkably reduced, and the activity of peroxidase (POD) and catalase (CAT) is remarkably improved, which indicates that the overexpression of the VvECT10 gene can enhance the drought resistance of the grape plant and relieve oxidative damage.

This invention provides a leaf moisturizing device for indoor aphid experiments, comprising: a cup body and a cup lid. The cup lid covers the top of the cup body, and a cup lid hole is provided at the center of the top of the cup lid. A water storage tube protruding upwards is installed on the cup lid hole. A high-density sponge is installed at the bottom opening of the water storage tube. The plant leaf stem or the entire plant stem is placed inside the high-density sponge, and the plant leaf stem or the entire plant stem extends downwards into the cup body. Nutrient solution is loaded in the water storage tube above the high-density sponge. This leaf moisturizing device for indoor aphid experiments has a simple structure and is easy to install and use. It can solve the problem of insufficient leaf moisturizing time and leaf wilting caused by ordinary leaf disc methods. It can also solve the problem of aphids dying after escaping and coming into contact with the liquid, thus affecting the statistics. It is especially suitable for the early effect exploration and coarse screening of large quantities of raw materials and agents, and for situations requiring a large number of treatment groups.

The application provides a gene and an application thereof CaCA2 The application belongs to the technical field of gene breeding and relates to application of a gene in pepper resistance to low-temperature and weak-light stress. CaCA2 The application discloses a gene and an application thereof CaCA2 The transient overexpression of the gene can slow down wilting of pepper plants, improve net photosynthetic rate of pepper leaves, expression amount of antioxidant enzyme genes, soluble sugar, free proline and mineral element content, and simultaneously reduce intercellular CO2 concentration and malondialdehyde content. CaCA2 After the VIGS technology is used to transiently silence the gene, the plant height, stem diameter, biomass and root morphological parameters of the pepper are reduced in varying degrees, and the gene causes stoma to close, and the overall fluorescence intensity, photosynthetic performance index and trace element content are reduced. CaCA2 The transient overexpression of the gene in the pepper can relieve wilting of the pepper plants and improve the resistance to low-temperature and weak-light stress, and the resistance is weakened after the gene is silenced.

The invention belongs to the technical field of plant planting, and provides a Hainan camellia oleifera high-survival-rate drought-resistant afforestation and biological nutrient solution preparation method. The special nutrient solution for the camellia oleifera comprises the following raw materials in parts by weight: 6-12 parts of a probiotic agent, 8-12 parts of potassium fulvate, 15-20 parts of potassium nitrate, 60-70 parts of a coco coir extract and 95-105 parts of water. Through the synergistic effect of the afforestation method and the special nutrient solution for camellia oleifera, the survival rate and preservation rate of camellia oleifera afforestation are remarkably increased. Wherein the special nutrient solution has high-temperature-resistant, drought-resistant and root-promoting effects, and can effectively promote the growth of roots of camellia oleifera, improve the water-retaining capacity of leaves and increase the content of available phosphorus in soil, thereby enhancing the stress resistance and growth vigor of plants; in the drought period, the leaf wilting degree of the oil-tea camellia adopting the drought-resistant afforestation method is far lower than that of a traditional method, the water content of soil is higher, and stage drought stress can be effectively resisted.

A concrete retaining wall capable of vegetation according to the present invention may include: a vegetation hole formed to penetrate from the front to the rear of the concrete retaining wall to form a vegetation space; a vegetation protection tube formed in a tubular shape and inserted into the vegetation hole; and a water inflow member that penetrates the vegetation hole and is inserted into the soil located on the rear of the concrete retaining wall.

The invention provides a method for preventing and treating waxberry wilting disease. The method comprises the following steps: spraying a bamboo vinegar stock solution diluted by 5-10 times to soil, spraying a mixed solution of 1600-2000 times of thifluzamide and 900-1200 times of difenoconazole to tree bodies, and realizing disease prevention and treatment in cooperation with specific spraying periods, astragalus sinicus planting and nitrogen fertilizer control. Wherein the soil is sprayed for one time within 5 days after fruit picking and for one time within 2.5-3.5 cm of summer shoots, the tree body is sprayed for one time within 7 days after fruit picking and for one time within 4-6 cm of summer shoots, and the spraying period of the same batch of tree bodies is 2 days or more later than that of the soil; astragalus sinicus is sown in October, the nitrogen fertilizer application amount is controlled throughout the year, the fruit / compound fertilizer weight ratio is greater than 50, and no urea is applied. The method for preventing and treating the waxberry wilt disease only twice a week, the dosage is remarkably reduced, the immunity of tree bodies for resisting the wilt disease is further enhanced by improving the soil environment, improving the root activity, controlling the application amount of the nitrogen fertilizer and keeping the moderate tree vigor of waxberries, the prevention and treatment effect reaches 69% or above, and the method has the advantages of being environmentally friendly, efficient, easy and convenient to operate and suitable for large-scale application and popularization.

This invention belongs to the field of biotechnology, specifically relating to the cassava transcription factor MeWRKY30 and its applications. This invention cloned the transcription factor gene of MeWRKY30 from cassava. Overexpression of this gene in cassava can improve the resistance of transgenic cassava plants to low-temperature and drought stress. The effects of qRT-PCR on cassava... MeWRKY30 Gene expression was significantly upregulated after drought and treatment with the plant hormone abscisic acid (ABA). After recovery from low temperature treatment, the malondialdehyde content of the overexpressing cassava lines decreased, wilting was reduced, root growth inhibition was lessened, and the number of cortical cells in the root tip meristem was significantly increased.

The application relates to the biotechnology field and discloses a drought stress related alfalfa gene and application thereof, and the MsCAS15 gene is cloned from alfalfa, the nucleotide sequence of which is shown as SEQ ID NO. 1, and the encoded dehydrin is shown as SEQ ID NO. 2. The protein is rich in glycine and lysine and has the functions of protecting cell membranes and biological macromolecules. The application obtains a transgenic plant overexpressing the MsCAS15 by constructing a recombinant expression vector containing the gene and using an agrobacterium-mediated method. The experimental results show that overexpression of the gene enhances the drought resistance of the plant, and the specific performance is that the seed germination rate of the transgenic plant is higher than that of the wild type under osmotic stress, and under the natural drought condition of soil, the wilting degree of the transgenic plant leaves is reduced, and the growth state is better than that of the wild type. The application provides an effective gene resource for cultivating new drought-resistant crop varieties.

The application discloses a winter melon seedling salt tolerance phenotype grading method based on a deep visual perception network, and belongs to the technical field of cross of wisdom agriculture and computer vision. The technical scheme is as follows: a winter melon seedling image dataset containing four salt tolerance grades is constructed; a deep visual perception network GYSalt-Net is constructed and trained, the network simultaneously captures macro wilting and micro lesion features by integrating a global-local hybrid feature extraction module, introduces a partial convolution adaptive context enhancement module to suppress complex background noise and enhance leaf region features, and adopts a dynamic up-sampling module based on point sampling to realize lightweight of the model and high-fidelity reconstruction of features; and the trained network is used to infer the salt tolerance grade of the seedling image. The application realizes high-throughput, automatic and accurate grading of the winter melon seedling salt tolerance, and the model is lightweight and suitable for deployment of portable computing devices.

This invention belongs to the field of plant genetic engineering technology, specifically relating to loquat. EjHB7 This invention obtains genes, proteins, and their applications in regulating plant drought tolerance through genetic transformation technology. EjHB7 Transgenic Arabidopsis plants, under drought stress, showed less leaf wilting than wild-type plants. EjHB7 Reducing reactive oxygen species (H2O2 and O2) by increasing the activity of POD and SOD enzymes. ‑ The accumulation of these nutrients improves the drought resistance of transgenic Arabidopsis thaliana. Additionally, EjHB7 The reduced drought tolerance of the silenced transgenic loquat plants indicates that... EjHB7 It plays an important role in regulating plant drought resistance.

The application discloses a kind of yeast black tea products and process method for preparing by double biological enzyme fermentation, which includes the process steps of picking and removing impurities of fresh leaves, light heat wilting, light heat steam biological fermentation, enzyme oxygenation kneading, deagglomeration double enzyme biological fermentation, hot air aroma extraction initial baking and vacuum freeze drying etc.The yeast black tea with higher fermentation enzymolysis power can be prepared by process optimization, which has strip shape, red leaves, sweet aroma, the activity of tea polyphenol oxidase (ppo) is kept at 1.5-2 U / G, and can drive other plant leaves to carry out mixed fermentation enzymolysis reaction, to make high-quality composite black tea, which has wide application prospect in the field of fermentation composite black tea.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of TaSIZ1 protein, TaSIZ1 gene and related biological materials in improvement of drought resistance of plants. The wheat TaSIZ1 gene is knocked out by using a gene editing technology, two homozygous knockout strains Taiz1-6 # and Taiz1-13 # are obtained through screening, and compared with a wild type, the TaSIZ1 gene knockout mutant has the advantages that the fresh weights of the overground parts are obviously higher and the plant wilting degree is obviously lower under the drought treatment condition; after drought stress, the plant is subjected to rehydration treatment, the survival rate of the TaSIZ1 gene knockout mutant is remarkably improved, the drought resistance of wheat can be remarkably enhanced, and a feasible method is provided for cultivating stress-resistant wheat.

The utility model discloses a kind of wilting devices for green tea fresh leaves, it is related to green tea processing technical field, including wilting box, the wilting box two sides are respectively provided with air inlet and air outlet, the wilting box side wall is also hinged with box door, the wilting box inside is respectively provided with and is equipped with fixed rod, the fixed rod is slidably sleeved on the fixed rod, and the fixed rod surface is located in the position of the lower end of fixed ear also sleeved with first spring, the placing box is equipped with rack, the wilting box is also equipped with driving component for driving the vibration of placing box. In the utility model, through the driving component and handle and second spring being set, tea leaf can be driven to vibrate up and down and horizontally during wilting process, so that tea leaf is rolled and scattered, tea leaf is prevented from accumulating, and the wilting efficiency of tea leaf is improved.

The invention belongs to the technical field of food processing and health-care tea preparation, and particularly discloses lithocarpus litseifolius and folium cortex eucommiae composite health-care tea and a preparation method thereof. The product is prepared by compounding fresh Lithocarpus litseifolius leaves and fresh Eucommia ulmoides leaves as raw materials according to a weight ratio of (6-8): (2-4). The preparation method comprises the following steps: synergic withering, steam-microwave combined fixation, pre-dehydration and spreading for cooling, anti-sticking synergic rolling, optional coupling fermentation, segmented drying, screening, sterilization and packaging. Wherein the enzyme activity can be efficiently passivated, and color fixation and fragrance preservation can be realized through steam-microwave combined enzyme deactivation; during rolling, a food-grade physical separant is added, and stage pressure control of air compression, light compression, medium compression and air compression is combined, so that the problem of adhesion of the leaves is effectively solved, and flavor fusion and strip tightening are promoted. According to the method, the retention rate of chlorogenic acid, flavone and other active ingredients in the product is remarkably increased, the taste and appearance integrity of tea soup are improved, and the method is suitable for large-scale production and has a good market application prospect.

The application discloses a kind of intelligent irrigation methods and systems of traditional Chinese medicinal material seedlings based on reinforcement learning, comprising: obtaining the state perception parameter of current seedling cultivation environment, including soil moisture stress degree, seedling growth stage index and canopy wilting representation value;Based on state perception parameter and cumulative water stress degree, obtain the effective component accumulation estimate value of current seedling;State perception parameter and effective component accumulation estimate value are input into pre-trained irrigation decision model, and the irrigation action decision including irrigation duration and irrigation intensity is obtained;After executing irrigation, obtain updated state perception parameter and updated cumulative water stress degree, and calculate updated effective component accumulation value;Reward value is calculated based on the change of state before and after updating, and the irrigation decision model is updated online using reward value.The present application solves the technical problem that the prior art cannot dynamically balance seedling survival guarantee and effective component improvement.

The application belongs to the technical field of plant genetic engineering, and particularly relates to TaSIZ1 protein, TaSIZ1 gene and application of related biological materials of the TaSIZ1 gene in improving drought resistance of plants. The application uses a gene editing technology to knock out a wheat TaSIZ1 gene, and two homozygous knockout strains Tasiz1-6 # and Tasiz1-13 # are screened. Compared with a wild type, the TaSIZ1 gene knockout mutant has a significantly higher fresh weight of an aboveground part and a significantly lower wilting degree under a drought treatment condition; after a rehydration treatment is performed on the plant after the drought stress, the survival rate of the TaSIZ1 gene knockout mutant is significantly improved, the drought resistance of the wheat can be significantly enhanced, and a feasible method for cultivating stress-resistant wheat is provided.

The application belongs to the field of plant growth and relates to a gene for regulating flowering and disease resistance of plants, in particular to a gene for regulating flowering, a recombinant vector and application. In the research process of disease resistance breeding, a NBS-LRR type gene of Nicotiana benthamiana is cloned by the research group NbLOV1 . Bioinformatics analysis results show that the gene is closely related to the response of plants to fungal pathogens, and in the experiment of verifying the gene function by gene editing knockout, the plants created by using the knockout vector for NbLOV1 and the Agrobacterium-mediated transformation method have obvious differences compared with the control: after knocking out NbLOV1 , the budding and flowering time of Nicotiana benthamiana is obviously earlier than that of the control. The mutant plant with the knockout NbLOV1 gene presents strong resistance to fusarium, only with slightly yellow leaf color and slight wilting; while the tobacco of the control presents damaged vascular bundle, seriously wilting leaf surface and necrotic spots.

The invention discloses an application of a MaFLA29 gene in improving fusarium wilt resistance of bananas. A bacterial strain for overexpressing the MaFLA29 gene is constructed by using the MaFLA29 gene, banana embryogenic suspension cells are converted by the bacterial strain to obtain a banana strain for overexpressing the MaFLA29 gene, the banana strain is further inoculated with fusarium oxysporum, and results show that the leaf wilt and yellowing degree and the bulb infection pathogenic bacterium degree of the banana strain for overexpressing the MaFLA29 gene are both lower than those of a wild plant; the morbidity of the leaves is 70.63%-80.83%, the morbidity of the corms is 90.00%-95.33%, the disease index of the leaves is 43.17%-50.56%, and the disease index of the corms is 47.67%-51.18%. Therefore, the resistance of the plant to the banana fusarium wilt is obviously improved by overexpression of the MaFLA29, and a theoretical and practical basis is provided for culturing banana varieties resistant to the banana fusarium wilt.

The invention relates to a white tea processing technology in the technical field of tea leaf processing, and the white tea processing technology comprises the following steps: S1, pretreatment: picking fresh leaves with one bud and one leaf or one bud and two leaves of Fuding Dahao tea as raw materials, sorting within two hours of picking, then uniformly spreading the fresh leaves in a breathable tedding tank with the spreading thickness of 3 cm, standing and spreading for cooling for 3 hours in an environment with the temperature of 22 DEG C and the relative humidity of 65%, so that the water content of the fresh leaves is reduced to 74%; s2, performing withering: putting the pretreated fresh leaves into a withering room, and performing withering; s3, low-temperature rolling: transferring the withered fresh leaves into a low-temperature rolling workshop for rolling; s4, drying: drying the rolled tea leaves; s5, baking and aroma enhancing: putting the dried tea leaves into a constant-temperature baking room, and performing baking and aroma enhancing by adopting a baking cage; and S6, aging and packaging: naturally cooling the tea leaves subjected to baking and aroma increasing to room temperature, then putting the tea leaves into an aging chamber, aging for 7-10 days, and packaging and storing after the aging is finished. The scheme is used for improving the quality of the white tea.

The invention discloses a greening plant withering detection method and system based on dynamic patrol. The method comprises the following steps: acquiring a video stream and GPS data acquired by a moving vehicle; performing continuous observation, shielding compensation and multi-target tracking on a greening area in the video stream to obtain a greening area image sequence; comprehensive analysis of color, attitude and context dimension is carried out on the greening area image sequence, color and attitude abnormal areas of potential withered vegetation are identified and marked, and states of a single plant and surrounding vegetation are compared to obtain a suspected withered target; wherein the posture comprises the sagging degree and the curling degree of the vegetation; and based on the GPS data, analyzing color and attitude state changes through historical data, and determining the vegetation withering condition of the suspected withering target. By implementing the method provided by the invention, the capability of automatically and dynamically monitoring the health condition of the urban greening vegetation and automatically identifying the withered vegetation can be realized, and early warning information can be quickly sent out.

This application relates to the field of auxiliary equipment for green plant establishment, and in particular to an automated green plant supply system, including a long strip-shaped planting board. Multiple planting holes are evenly spaced along the length of the planting board on its upper surface, arranged in multiple rows. Planting pots for planting green plants are placed inside the planting holes, and an isolation layer is installed inside each planting pot. The planting pots are detachably connected to the planting board. A water supply component for supplying water to the green plants is also provided on the planting board. Below the planting board are a storage box for storing soil, a seed box for storing green plant seeds, and a placement box for storing the isolation layer. This system achieves the effects of increasing the green coverage rate in the Tibetan Plateau region, saving time and manpower, and reducing the possibility of green plant wilting and death.

The invention discloses an enterobacter strain and application thereof in improving stress resistance of plants. The invention relates to the field of biological agriculture, and provides bacillus fruticola YJD5-23, and the registration number of the bacillus fruticola YJD5-23 in the General Microbiological Center of the China Committee for Culture Collection of Microorganisms is CGMCC No.36069. The bacillus fruticola YJD5-23 has the advantages that the bacillus fruticola YJD5-23 can be used for preparing the bacillus fruticola YJD5-23; the enterobacter sphaeroides YJD5-23 provided by the invention can improve the resistance of arabidopsis thaliana, alfalfa, corn and soybean to saline-alkali stress, specifically, the dry weight, the fresh weight, the plant length, the leaf area and the chlorophyll content are increased, the oxidation resistance is improved, the wilt is reduced, and the physiological and biochemical indexes are improved. The YJD5-23 microbial inoculum improves the property and activity of saline alkali soil and improves the abundance and composition of microbial communities. Detection shows that the YJD5-23 strain has the capabilities of secreting IAA, ACC deaminase and siderophore, dissolving phosphorus, fixing nitrogen and dissolving potassium. The indexes show that the YJD5-23 microbial inoculum has the potential of growth-promoting bacteria and has important application value in the field of agriculture.

The invention belongs to the technical field of white tea making, and provides a method for producing flavored white tea by using tea leaves damaged by thrips. The method for producing the flavored white tea by using the tea leaves damaged by the thrips comprises the following steps: (1) picking the tea leaves, namely picking the tea leaves damaged by specific pest beak thrips tribute according to the standard of'one bud and two leaves'; the picked tea leaves are kept in a loose state; (2) withering: step 1, thin spreading and uniform spreading: spreading and airing the tea leaves on a clean and ventilated withering trough, so that the leaves are not stacked and overlapped; 2, natural withering: preventing a withering trough from being directly irradiated by sunlight; humidifying is carried out within 12 hours when natural withering begins; and (3) drying: controlling the drying temperature at 50-60 DEG C, and drying until the water content is lower than 6%. According to the method, the tea leaf resources damaged by the specific pest Bracothrips tribute Mountain can be recycled, so that waste is turned into wealth, deterioration is turned into excellence, and a white tea product which is rich in flavor and distinct in characteristic is produced.

The application discloses MsGDSL Application of a gene in improving salt tolerance belongs to the technical field of biotechnology. MsGDSL The gene is located in the nucleus and cytoplasm. It is found through yeast self-activation detection that the gene has no transcriptional self-activation activity. MsGDSL After overexpression of the gene, MsGDSL The expression amount is significantly up-regulated, the root length of a transgenic strain is significantly higher than that of WT, the degree of wilting is lower than that of WT, the chlorophyll content is higher than that of WT, the conductivity and mortality are lower than those of WT, and the salt tolerance function is enhanced. MsGDSL After silencing of the gene, MsGDSL The expression amount is reduced, the chlorophyll content and survival rate of the transgenic strain are lower than those of CK, the color is darker after DAB and NBT staining, and the oxidative damage is serious. MsGDSL The application discloses the positive regulation effect of the gene in plant salt tolerance for the first time, and has great significance in the field of breeding of new varieties (strains) of salt-tolerant plants.

The invention discloses an angkang selenium-rich honey fragrant kung fu black tea and a processing method thereof, and belongs to the technical field of tea processing. The method comprises the following steps: picking fresh selenium-rich tea leaves with one bud and one leaf to one bud and two leaves; carrying out comprehensive withering combining natural withering and sunlight withering, so that the water content is reduced to 50-60%; then performing long-time rolling at a specific temperature according to the principle of light-heavy-light; then, a low-temperature and medium-temperature segmented fermentation process is adopted; and finally, sequentially carrying out four-stage drying, namely high-temperature primary baking, natural spreading for cooling, low-temperature baking and high-temperature fragrance extraction. Optionally, a post-ripening treatment may be performed to stabilize quality. According to the method, through regulation and control of a key process, conversion of substances contained in the tea leaves is effectively promoted, and particularly, formation of honey fragrance is stimulated. The prepared black tea is tight in strip, exposed in golden hair, red and bright in soup color, rich in flower fragrance and honey fragrance, fresh, strong, sweet and mellow in taste, natural and rich in selenium, and the quality and economic value of summer and autumn tea are remarkably improved.

The invention discloses an enterobacter strain and application thereof in improving stress resistance of plants. The invention relates to the field of biological agriculture, and provides sinorhizobium meliloti YJDN5-118, and the registration number of the sinorhizobium meliloti YJDN5-118 in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms is CGMCC (China General Microbiological Culture Collection Center) No.36353. The enterobacter sphenergii YJDN5-118 provided by the invention can improve the resistance of arabidopsis thaliana, alfalfa, corn and soybean to saline-alkali stress, specifically, the dry weight, the fresh weight, the plant length, the leaf area and the chlorophyll content are increased, the oxidation resistance is improved, the wilt is reduced, and the physiological and biochemical indexes are improved. The YJDN5-118 microbial inoculum improves the property and activity of saline-alkali soil and improves the abundance and composition of microbial communities. Detection shows that the YJDN5-118 strain has the capabilities of secreting IAA (Indoleacetic Acid), ACC (Acetyl Cellulose) deaminase and siderophore, dissolving phosphorus, fixing nitrogen and dissolving potassium. The indexes show that the YJDN5-118 microbial inoculum has the potential of growth-promoting bacteria and has important application value in the field of agriculture.

The invention relates to the technical field of slope stabilization, and discloses a precise irrigation system optimization method based on high and steep slope characteristics and a dynamic threshold, in the precise irrigation system optimization method, a'slope stability-irrigation threshold 'association mechanism is established by quantifying the critical water content theta c of the position, most prone to unbalance, of a high and steep rock slope; it is ensured that the water content of the representative easy-to-unbalance position after irrigation is smaller than or equal to theta c, and the slope instability risk is controlled; in combination with the water demand difference of grass and shrub, comprehensively considering the plant water demand, the plant wilting coefficient, the plant species and proportion and the soil key parameters, and determining a proper irrigation threshold interval; dynamic adjustment of irrigation volume and period is realized by fusing short-term weather forecast, and meanwhile, a bottom treatment mechanism for abnormal weather such as sudden heavy rain, sudden strong wind and high temperature is formulated; finally, the problems that in the prior art, side slope stability and irrigation requirements are completely disjointed, mixed plants are seriously insufficient in water requirement adaptability, irrigation regulation and control are static, and scientific basis is lacked are solved.

This invention discloses a type of tiger nut. CePP2C19 Genes, the ones mentioned CePP2C19 The nucleotide sequence of the gene is shown in SEQ ID NO.1 of the sequence listing; tiger nuts CePP2C19 The gene was obtained by reverse transcription of RNA from tiger nut leaves subjected to 12 h of drought stress into cDNA, followed by PCR amplification using primers and the cDNA as a template. Tiger nut CePP2C19 Application of genes in improving plant drought resistance: Tiger nuts CePP2C19 After gene silencing, under drought stress, the degree of leaf wilting increases and drought sensitivity is enhanced; CePP2C19 Under drought stress, the overexpressing Arabidopsis thaliana lines showed less leaf wilting and yellowing compared to the control lines, indicating drought tolerance. CePP2C19 Gene expression can improve plant drought resistance, laying the foundation for breeding new drought-resistant tiger nut varieties.