384 results about "Poaceae" patented technology

The invention discloses a method for improving pasture productivity by optimizing a mixed sowing proportion and a sowing mode, which comprises the following steps of: performing rotary tillage on soil and applying humus before freezing in winter, turning over the soil and applying a base fertilizer after reviving in spring, then selecting leguminous plants and gramineous plants according to a weight ratio of 3: 7, respectively and uniformly mixing seeds of two functional groups, the method comprises the following steps: ditching, ridging and sowing gramineous plant seeds in line, sowing leguminous plant seeds in holes between two rows of gramineous plants 20-30 days after the gramineous plant seeds emerge, carrying out topdressing and pest and weed damage management after sowing, mowing the overground part of the grassland at the last stage of plant growth, and controlling the stubble height of the leguminous plants and the gramineous plants. By accurately optimizing the mixed sowing proportion and sowing strategy of leguminous and gramineous pasture and combining the complementarity of plant functional groups in ecological niche (time and space), an innovative pasture mixed sowing method is provided, and theoretical support and technical guarantee are provided for efficient and sustainable development of animal husbandry production.

The invention discloses a method for reseeding and repairing alpine degraded grassland, which comprises the following steps: step 1, cutting: cutting native vegetation of a sample plot with the stubble height of 3-5cm; 2, sowing is conducted, before the rainy season comes, drilling is conducted on target grass seeds in a manual ditching mode, the target grass seeds are 2-3 grass seeds selected from each type of gramineae grass, leguminous grass and miscellaneous grass and mixed according to a certain proportion, and earthing is conducted after sowing is completed; 3, after-sowing management is conducted, agricultural measures such as impurity removal, fertilization and watering do not need to be conducted after sowing is completed, and grazing is forbidden for two years. According to the method, different functional types of plants and combinations suitable for the alpine region are screened out, the method suitable for reseeding restoration of the alpine degenerated grassland is formulated, the reseeding cost is controlled, meanwhile, plant communities high in yield, high in stability and diverse in function are built, and the problem of restoration of the degenerated grassland in the alpine region is solved.

Disclosed herein is use of miR528 in production and breeding of gramineous forage grasses. By down-regulating the expression and / or function of miR528, the present invention can significantly enhance the tillering and / or regeneration capacity of the gramineous forage grasses, which is conducive to the biomass accumulation of the gramineous forage grasses, and the breeding of new gramineous forage grass subspecies with enhanced tillering and / or regeneration capacity.

The invention discloses a regulation and control method for recarburization and nitrogen fixation of newly-reclaimed desertification saline-alkali soil, which is characterized in that the soil microenvironment is improved by combined application of bio-organic fertilizer / charcoal and attapulgite fertilizer, and nitrogen fixation of soil in a growth period and improvement of a soil structure are realized by mixed sowing of gramineous green manure crops and leguminous green manure crops. And after the growth period ends, returning the green manure to the field to realize soil recarburization. According to the recarburization and nitrogen fixation regulation and control method for the newly-reclaimed desertification saline-alkali wasteland, the soil nutrient and carbon reserve can be remarkably improved, and compared with other green manure crops or combinations, the total nitrogen and organic carbon of the soil are remarkably improved after the method is implemented. Therefore, the method has important significance on recarburization, nitrogen fixation and fertilization regulation and control of newly-reclaimed desertification saline-alkali soil, and can provide a development idea for efficient development and utilization of saline-alkali sand and guarantee of agricultural production safety.

The invention discloses a strain of nigrospora aurantiaca LB2, the nigrospora aurantiaca LB2 is preserved in Guangdong Province Microbial Culture Collection Center, and the preservation number is GDMCC No: 64550. The invention further discloses a method for preparing the nigrospora aurantiaca LB2. The melanospora sp. LB2 can be used for infecting and causing oxalis corniculata, sticktight and gramineous weeds so as to prevent and control the weeds; the melanospora nigra LB2 can also be used for producing haematochrome for pigment production.

The invention belongs to the technical field of pesticides, and particularly relates to a triazine ring substituted phenylsulfonyl urea compound, a preparation method therefor, a herbicidal composition and a use. The compound is as shown in general formula I, wherein Z is hydrogen or alkyl; R is alkyl, haloalkyl or alkoxy. The compound has excellent herbicidal activity on gramineous weeds, broadleaf weeds etc.

The invention discloses a 5 '-UTR sequence derivative based on SARS-CoV-2 and application of the 5'-UTR sequence derivative in enhancement of plant gene translation expression, and relates to the technical field of enhancement of plant gene translation expression. The 5 '-UTR sequence derivative provided by the invention is used for enhancing translation expression of a target gene in a plant body; the nucleotide sequence of the 5 '-UTR sequence derivative is as shown in SEQ ID NO. 1 or SEQ ID NO. 2. The SARS-CoV-2 virus 5 '-UTR is applied to a plant system for the first time, through the optimized 5'-UTR sequence derivative mediated translation regulation effect, the level of target gene expression protein is remarkably improved on the translation level, and the SARS-CoV-2 virus 5 '-UTR is suitable for various plant varieties such as gramineous plants, cruciferous plants and solanaceae plants.

The invention discloses an intensive, green and efficient ginger cultivation method. A mode of interplanting ginger and corn is adopted. The method comprises the following steps of (1) interplanting variety selection, (2) ginger seed and corn seedling treatment, (3) land selection, land preparation and sowing, and (4) topdressing and pest control. The corn and the ginger which grow robustly and are free of diseases and pests are selected for interplanting, the ginger root system is shallow, the seedling stage is shade-tolerant, and the corn is a gramineous high-stalk and high-photosynthetic-efficiency crop. The water and fertilizer integration technology is adopted during intercropping of the two crops, the land utilization efficiency is improved, natural resources such as light energy are fully utilized, favorable conditions are provided for vigorous growth of the ginger, and economic benefits are improved.

The invention relates to the technical field of plant cultivation and cultivation, in particular to a grassland restoration composite seed bag design method based on dynamic proportion and time sequence regulation, and provides a grassland restoration composite seed bag design method based on dynamic proportion and time sequence regulation by scientifically designing a dynamic combination of three types of seeds (local dominant perennial forage grass, common perennial forage grass with good growth vigor and local dominant annual forage grass). And according to seasonal changes (6: 3: 1 in spring, 5: 2: 3 in summer, 3: 2: 5 in autumn and 1: 1: 8 in winter) and a bean-to-grain ratio (1: 2 in spring, 1: 5 in summer, 2: 3 in autumn and 1: 1 in winter), accurate regulation and control are performed, so that optimal cultivation of morphological structures of grassland plants is realized. By combining the mutualism characteristics of gramineous plants and leguminous plants and through an accurate seeding rate calculation formula and a plaque reseeding strategy, a high-quality grassland plant community with uniform plant height, stable community structure and reasonable canopy distribution can be cultivated, and an effective technical scheme is provided for cultivating grassland plants with good annual growth state and stable community structure.

The invention relates to the technical field of agricultural intelligent equipment, in particular to intelligent monitoring and weeding equipment for gramineous weeds in a winter wheat field, and aims to solve the technical problem of high missing detection rate and false detection rate of a traditional visual identification method caused by similar forms of winter wheat and gramineous weeds in a seedling stage. The equipment comprises an autonomous mobile platform, a multi-mode sensing assembly, a data processing and decision-making unit and a targeted clearing execution mechanism. The multi-mode sensing assembly integrates a hyperspectral imaging module, a three-dimensional shape measurement module and a polarization characteristic analysis module, and pixel-level data registration is achieved in combination with the cooperative illumination system. The data processing unit performs high-confidence classification decision on the multi-source features through a hierarchical Bayesian fusion model; and the targeted clearing mechanism adopts a laser galvanometer system to carry out non-contact precise clearing on the identified weed growing points. Intelligent identification and efficient physical weeding of weeds in the winter wheat field are achieved, and the method has the advantages of being free of chemical residues and high in operation continuity.

The present invention relates to an endophyte strain isolated from a plant of the Poaceae family, wherein said endophyte is a strain of Pseudomonas poae which provides bioprotection and / or biofertilizer phenotypes to plants into which it is inoculated. The present invention also relates to plants infected with the endophyte and related methods.

The invention discloses a pore density related MicroRNA probe in a drought-resistant and water-saving corn variety as well as a detection method and application of the pore density related MicroRNA probe. The problem to be solved and solved is to predict, regulate and control drought tolerance and stomatal density of corn. The invention specifically discloses any one of the following applications of miRNA or a substance for detecting the miRNA: A1) an application in increasing the number of stomata of the gramineous plant and / or preparing a product for increasing the number of stomata of the gramineous plant; a2) application in a product for improving the stomatal density of the gramineous plants and / or improving the stomatal density of the gramineous plants; a3) application in reducing the drought tolerance of the gramineous plants and / or preparing products for reducing the drought tolerance of the gramineous plants; a4) a product for improving the in-vitro water loss rate of the gramineous plant and / or preparing the in-vitro water loss rate of the gramineous plant, wherein the miRNA sequence is as shown in the sequence 1. The drought tolerance and stomatal density of the leaves of the corn variety to be detected can be identified by detecting the expression quantity of the miRNA, and the miRNA can be used for industrial production.

The invention discloses a straw returning method based on corn and covered crop cultivation, which comprises the following steps: grading and crushing corn straws according to soil types, carrying out zoning treatment, combining a leguminous-gramineae-cruciferae ternary mixed sowing covered crop system, and matching a decomposition microbial inoculum and controlled release nitrogen fertilizer synergistic regulation technology. The efficient decomposition of the straws and the improvement of the soil quality are realized. The method can increase soil organic matters by 0.25%, increase corn yield by 12.7% and reduce nitrogen fertilizer loss by more than 30%, and is suitable for sustainable production in dry farming areas.

The invention discloses a rice lodging resistance and yield related protein STRONG1 as well as a coding gene and application thereof, belongs to the technical field of biology, and particularly discloses application of any one of a protein, a substance for regulating and controlling the expression of the coding gene of the protein or a substance for regulating and controlling the activity or content of the protein. A1) application in improving the lodging resistance of the gramineous plants and / or application in preparing products for improving the lodging resistance of the gramineous plants; a2) application to increase the yield of the gramineous plants and / or application to increase the yield of the gramineous plants.

The invention discloses a silage composition containing gramineous forage grass and alfalfa and a preparation method of the silage composition, and belongs to the technical field of forage grass processing. The preparation method of the silage composition comprises the following steps: cutting fresh gramineous pasture and alfalfa with proper maturity; cutting the cut gramineous forage grass and medicago sativa to 2-3cm, and uniformly mixing the gramineous forage grass and the medicago sativa in proportion to obtain a mixed raw material; uniformly mixing the mixed raw materials with a feed additive, filling into a silage pit, and sealing, storing and fermenting to obtain the silage composition containing the gramineous pasture and the medicago sativa. The invention discloses an ensiling composition containing gramineous forage grass and alfalfa and a preparation method thereof, the ensiling composition has high fermentation quality and nutritional value, and can meet nutritional requirements of ruminants in high altitude areas.

The invention provides a method for wind prevention and sand fixation of a Coerquin desertification grassland. The method comprises the steps that S1, automatic sand barrier laying equipment is adopted for laying mechanical sand barriers on the Coerquin desertification grassland; the mechanical sand barrier is made of one or any combination of reed sections, straw curtains, straw, salix babylonica and salix psammophila branches. S2, planting the biological sand-protecting barrier into the mechanical sand-protecting barrier to form a composite sand-protecting barrier; the biological sand barrier is shrub, and the shrub is a combination of salix babylonica, hippophae rhamnoides, caragana microphylla, caragana korshinskii, lagotis latifolia, lespedeza daurica and artemisia differentiata; s3, sowing herbaceous plant seeds between the biological sand barriers; the herbaceous plants comprise leguminous plants, gramineous plants and annual plants, and the ratio of the leguminous plants to the gramineous plants to the annual plants is 3: 5: 1; by the adoption of the technical scheme, the survival rate of the plants can reach 81.5% at most, and the coverage degree can reach 62.1% at most.

The utility model provides a multi-angle collection device and analysis system for gramineous crops, and belongs to the technical field of crop collection. Comprising a sliding frame, the sliding frame comprises a transverse plate and two sets of vertical plates, and the transverse plate is installed at the top ends of the two sets of vertical plates; the two groups of sliding rails are respectively positioned on two sides of the test field, and are arranged as sliding frames which are in sliding connection with the two groups of sliding rails, and the sliding frames are driven to move through a stepping motor; and the information acquisition device is positioned on the sliding frame. According to the utility model, by arranging the transverse rotating assembly and the longitudinal rotating assembly, multi-angle rotation of the information acquisition device in the horizontal and vertical directions can be realized, so that crops can be shot from different angles, the growth conditions of the crops can be comprehensively recorded, and the diversity of shooting angles is greatly increased; and the information acquisition device is driven by the sliding part to move from one group of sliding rails to the other group of sliding rails.

The invention belongs to the technical field of herbicide synergists, and particularly relates to a pepper extract and application thereof in herbicide synergists. An extraction method of the pepper extract comprises the following steps: drying pepper fruits, peels, branches, leaves or roots to constant weight, crushing and sieving, soaking and extracting with a solvent of which the mass is 3-10 times that of the pepper fruits, the peels, the branches, the leaves or the roots, performing ultrasonic extraction or Soxhlet reflux extraction, filtering an extracting solution, and performing vacuum concentration to obtain the pepper extract. According to the invention, the pepper extract and the herbicide are combined for use, and pot experiments find that the pepper extract can significantly improve the control effect of mesosulfuron-methyl on grassy weed alopecurus japonicas and broadleaf weed descurainia sophia, so that the pepper extract can be used as a synergist of the herbicide, and can be applied to the field of herbicides. Therefore, the weeding effect of the herbicide on weeds is improved, which is of great significance to development of novel safe synergists.

The invention provides a method for improving the productivity of degraded grazing grassland, and belongs to the technical field of grassland restoration. The method comprises the following steps that water and fertilizer automatic management devices are installed on the grazing grassland needing to be repaired every 2 m; the gramineous forage grass is sown in ditches, then the two kinds of leguminous forage grass are evenly mixed, and the mixed forage grass and the gramineous forage grass are sown in a cross mode; a wireless sensor system is arranged in the automatic water and fertilizer management device, the soil moisture content, the soil nutrient content and the vegetation growth condition are monitored through the wireless sensor system, and precise irrigation and precise fertilization are conducted according to monitoring data. By means of the measures of intelligent fertilization irrigation and no-tillage reseeding, the productivity of the degraded grassland is improved. The fertilization time, the use amount and the field moisture capacity of the grass on the grassland are strictly controlled, so that the absorption of the grass on the grassland to nutritional ingredients can be promoted, and the productivity of the grassland and the yield of the grass are further improved.

The invention discloses a trans-boundary synthetic flora (SMC) for preventing and treating wheat stem rot as well as preparation and application of the trans-boundary synthetic flora. The synthetic bacterial flora is prepared by compounding Trichoderma harzianum T19 with the preservation number of CCTCC (China Center for Type Culture Collection) No: M 20251896, bacillus subtilis BS-Z15 with the preservation number of CCTCC No: M 20251892, two strains of growth promoting bacillus PM9 and PM16, and two strains of auxiliary bacillus S8 and S32 according to a specific proportion. Compared with an existing single antagonistic bacterial agent, the synthetic flora disclosed by the invention has the advantages that the bacteriostasis rate of the synthetic flora on Fusarium pseudograminearum under a non-sterile soil condition can reach 70% or above, and the disease index is reduced by 70.01%; meanwhile, the plant height of wheat is increased by 28.63%, the root length is increased by 24.53%, the fresh weight is increased by 181.21%, the dry weight is increased by 184.64%, the thousand seed weight is increased by 10.39%, and the rhizosphere microbial community structure and the soil enzyme activity are remarkably improved. The method can be used for green prevention and control and yield increase of basal stem rot of wheat and other gramineous crops.

A fuel pellet is disclosed. The fuel pellet comprises a plant fiber and a lignin modifying enzyme exogenous to the plant fiber. In some embodiments, the plant fiber is a Tracheophytes plant fiber. In some embodiments, the plant fiber is a monocot plant fiber. In some embodiments, the plant fiber is a Poaceae plant fiber. In some embodiments, the plant fiber is a Saccharum plant fiber. In some embodiments, the plant fiber is sugarcane bagasse plant fiber. In some embodiments, the pellet does not contain a binding agent. In embodiments without a binding agent, the fuel pellet is held together by lignin, which is present in the plant fiber and modified to hold the plant fibers together. In some embodiments, the lignin modifying enzyme is a lignase. In some other embodiments the lignin modifying enzyme is a laccase. The disclosure further provides a method of making a fuel pellet.

According to the method, chewing cane ditching planting is adopted, the depth of chewing cane planting ditches is 20-45 cm, fresh corn is planted on ridge surfaces on the two sides of the planting ditches after chewing cane planting is conducted for 10-15 days, chewing cane-corn root system dislocation growth is achieved, root system antagonism between gramineous plants is avoided, ecological niche complementation is achieved, and the yield of the chewing cane is increased. The effective nutrient absorption space of crops is increased. After fresh corn ears and straws are harvested and sold, soil in a planting area is dug in time, furrows close to chewing cane planting rows are ridged to prevent falling, and the positions of ridges and furrows are interchanged. Position-changing rotation of the chewing cane and the fresh-eating corn every year is achieved, namely rotation of the fresh-eating corn is conducted in an original chewing cane planting area, and rotation of the chewing cane is conducted in an original fresh-eating corn planting area. Therefore, two planting modes of crop rotation and relay intercropping are combined, land resources are efficiently utilized, continuous cropping obstacles are avoided, the land output is increased, the land production cost is reduced, and good harvest of the chewing cane and the fresh corn is achieved.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active ingredient A and an active ingredient B. The active ingredient A is isoxamid, and the active ingredient B is any one of florasulam, penoxsulam and flumetsulam. The mass ratio of the active component A to the active component B is (1: 16)-(80: 1). The invention also discloses the weeding composition. The weeding composition is suitable for preventing and removing broadleaf weeds, nutgrass flatsedge and grassy weeds in various crop fields.

The invention discloses a method for improving natural grassland by mixed sowing in the field of grassland plants, which comprises the following steps: step 1, fence grassland forbidding: fence grassland forbidding is carried out on the natural grassland to establish an experimental area, and a permeation mechanism is pre-buried in the experimental area and is used for adjusting the soil nutrient permeability; 2, mixed sowing and planting, wherein leguminous grass seeds and gramineous grass seeds are subjected to mixed sowing and planting in the experimental area according to a fixed proportion, and the sowing mode is regular hole sowing; in the ecological niche separation process, the mixed sowing grass seeds absorb and utilize different nutrients, and a proper fertilizer ratio is selected for fertilization according to different time. According to the method, the plant height of the mixed sowing grassland is measured, and when the plant heights of bean grains on the two sides of the permeation mechanism in the mixed sowing grassland are different, the permeation mechanism is adjusted to adjust multiple fertilizer nutrients to be at least in a fertilizer area, so that the fertilizer nutrients are uniformly distributed in mixed sowing grass seeds.

The application provides application of a TT2-SCT1 / SCT2-WR2 regulation channel in plant heat stress tolerance. The application first discloses a new signal channel involved in plant heat tolerance: a TT2-SCT1 / SCT2-WR2 signal channel; wherein, TT2 is a negative regulation factor for regulating the heat tolerance of plants or protecting (maintaining) the yield of plants in Gramineae under high temperature, SCT1 / SCT2 are also negative regulation factors for regulating the heat tolerance of plants or protecting (maintaining) the yield of plants in Gramineae under high temperature, and WR2 is a positive regulation factor for playing a role, which is beneficial to maintaining the homeostasis in plants. The application has important theoretical significance for genetic improvement of plant traits.

To provide a plant growth promoter and a method for raising Poaceae plants in which metal concentration in a plant body can be properly adjusted.SOLUTION: A plant growth promoter promotes growth of Poaceae plants, and contains Epigallocatechin gallate. By adding Epigallocatechin gallate to the plant growth promoter, reduction of a pectin methylation degree of roots is suppressed, and a pectin amount of roots can be increased more than WT.SELECTED DRAWING: Figure 1

The present invention belongs to the technical field of phytochemistry, and particularly relates to the application of 4,15-diacetylverrucarol in herbicides. The present invention discovers the herbicidal activity of the sesquiterpenoid compound 4,15-diacetylverrucarol against the main gramineous weeds in the field, and has the potential to be developed into a natural green biological selective herbicide.

The ternary weeding composition containing 2-methyl-4-chlorophenoxyacetic acid sodium, tembotrione and bensulfuron methyl provided by the invention is reasonable in component formula, has a remarkable synergistic effect, and can expand the weed control spectrum of a single agent and a binary mixture, reduce the dosage of each effective component, reduce the pesticide application frequency, reduce the control cost and delay the resistance. The ternary weeding composition disclosed by the invention can be prepared into solid dosage forms such as wettable powder, water dispersible granules, granules and the like. The weeding composition disclosed by the invention has the advantages of simple preparation process, low preparation residue, no pollution to crops and good safety, meets the safety requirements of pesticide preparations, and can be used for preventing and killing off annual gramineous weeds, broadleaf weeds and cyperaceae weeds such as barnyard grass, leersia oryzae, scirpus tabernaemontani, sagittaria trifolia and rhizoma alismatis in northeast transplanted paddy fields.

The invention discloses a method for improving the quality of cultivated land through mixed sowing of perennial beans, grasses and forage grass. The method comprises the steps that deep ploughing and soil turning are conducted, land leveling is conducted, and organic fertilizer is applied to serve as base fertilizer; the method comprises the following steps: determining a mixing ratio of leguminous forage grass to gramineous forage grass of 3: 7-1: 1, and carrying out mixing pretreatment on the two forage grass seeds, namely preparing a nano titanium dioxide solution containing various nutrients and trace elements, screening stress-resistant domesticated rhizobium, disinfecting, soaking, coating and the like; reasonably topdressing in the forage grass growth period; when the pasture grows to a specific stage, the pasture is cut for 2-3 times every year; after 3-5 years of continuous utilization, crop rotation is carried out, and deep ploughing and fertilization are carried out again. According to the seed mixing pretreatment mode, the operation process is simplified, the cost is reduced, balanced nutrition supply is guaranteed, synchronous germination of seeds and coordinated growth of seedlings are promoted, and the fertilizer utilization rate is increased. The screened adversity-resistant domesticated rhizobium enhances the stress resistance of mixed sowing grassland, improves the yield and quality of alfalfa, and further improves the overall quality of mixed sowing pasture.

The invention discloses a gramineous crop coverage rate measurement method. The method comprises the following steps: step 1, acquiring farmland plot image data; 2, preprocessing the farmland plot image data; 3, calculating a green phase index of the preprocessed farmland plot image data; 4, determining an optimal green phase index threshold value; 5, calculating the coverage rate of gramineous crops in the farmland plot according to the green phase index and a green phase index threshold value; compared with a traditional manual visual inspection method, automatic and high-precision measurement of the crop coverage rate is achieved, the measurement efficiency and accuracy are greatly improved, and the gramineous crop coverage rate measurement method reduces the human input of manual measurement and reduces the agricultural production cost; the crop coverage rate change is monitored in real time, timely and accurate growth information is provided for agricultural production, a scientific basis is provided for agricultural management and decision making, and management measures such as precise irrigation and fertilization can be achieved.