326 results about "Poaceae" patented technology

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 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 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 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 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 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.

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.

This invention belongs to the field of pesticides, specifically relating to a binary herbicidal composition comprising a substituted pyrimidine formyl compound and its application. The binary herbicidal composition includes an effective amount of active ingredient A and active ingredient B, wherein active ingredient A is active ingredient B or is Cyclopyranil. This composition effectively controls various weeds, including grasses and broadleaf weeds, and features a broadened weed control spectrum, reduced application rate, synergistic effect, and the ability to combat resistant weeds.

The present application belongs to the field of pesticides, and particularly relates to a herbicidal composition containing a fused ring substituted aromatic compound and application thereof. The composition comprises a herbicidally effective amount of active ingredient A and active ingredient B, wherein the active ingredient A is or a salt / ester thereof; the active ingredient B is selected from one or more of the following compounds and salts / esters thereof: glyphosate, glufosinate-ammonium, glufosinate-P, paraquat, diquat, ACCase inhibitors, PPO inhibitors, etc. The composition can effectively control / eliminate grass weeds and broadleaf weeds, etc., and has the characteristics of expanding the herbicidal spectrum, reducing the application amount, being able to produce a synergistic effect and solving the problem of resistant weeds, etc.

The present application belongs to the technical field of forage grass seeding machinery, and more particularly to a bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing. The present application aims to provide a bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing. The device is not affected by the shape and size of the seeds, and can mix and sow the seeds of multi-morphology forage grasses such as legumes and gramineae in the same row, and has good adaptability. The device can realize the smooth and orderly migration of legume and gramineae forage grass seeds in the tube, and improve the consistency of the sowing amount of each row and the uniformity in the row during the mixed sowing process. A bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing, characterized in that the device comprises a rack (1), a seed supply device (2) and a surrounding air blowing type seed sowing device (3).

The invention provides a strain of Princisteria sp. ZJUHULYT1 and application thereof in prevention and treatment of Meloidogyne miscaceae, and belongs to the technical field of biological prevention and treatment of Meloidogyne miscaceae, the Princisteria sp. ZJUHULYT1 is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20251173. The invention further provides a preparation method of the Princisteria sp. ZJUHULYT1 and application of the Princisteria sp. ZJUHULYT1. Although the Princisteria sp. ZJUHULYT1 disclosed by the invention has no direct lethal effect on the gramineous meloidogyne, when the Princisteria sp. ZJUHULYT1 acts on the roots of rice, the number of rice root knots can be remarkably reduced, and invasion of the gramineous meloidogyne can be remarkably inhibited. According to the present invention, the rice root system can be promoted to defend the synthesis of related hormones, the content of 12-oxo-plant dienoic acid (OPDA) and abscisic acid (ABA) in the rice root system can be increased, and the effect of inhibiting the infection of Gramineae Meloidogyne by increasing the hormone content of the rice root can be achieved.

The invention discloses an AMF fungus inoculated corn and soybean intercropping cultivation method, and belongs to the technical field of intercropping cultivation, the method comprises the following steps: 1) measuring spore density of soil of a test field, and then applying fertilizer to the test field; 2) dividing the test field into six test land parcels, alternately planting corn belts and soybean belts, changing the corn planting row number of the corn belts, and performing AMF fungus inoculation on part of the test field; 3) filling gaps with seedlings; (4) thinning; 5) manually weeding once every other week; (6) dressing nitrogen fertilizer in the big horn mouth period of the corn; the method has the advantages that by researching and configuring the row ratio of corn and soybean intercropping and exogenous inoculation of AMF fungi, synergistic promotion of gramineous crops on leguminous crop nitrogen is enhanced, theoretical and practical support is provided for efficient utilization of nitrogen and yield increase and stability of crops, and the method is worthy of popularization and application. Production and use of the AMF bacterial fertilizer are achieved, and strip-shaped composite planting of corn and soybeans is popularized.

The invention discloses a compound herbicide, which comprises the following effective active components: halauxifen-methyl, florasulam and dichloro clomazone in a mass ratio of (1-2): (1-2): (20-40). According to the compound herbicide, through the synergistic effect of the three active ingredients, the weeding spectrum is remarkably expanded, broadleaf weeds and grassy weeds in a wheat field can be effectively prevented and removed, and compared with a single agent or a binary compound agent, the dosage of the effective ingredients can be reduced, pesticide residues and environmental risks can be reduced, meanwhile, generation of drug resistance of the weeds is delayed, and the weed resistance is reduced. The green weeding requirement of modern agriculture is met.

The invention relates to the technical field of pesticide compounding, in particular to a dichloro clomazone and isoproturon weeding composition and a preparation method and application thereof.The preparation method comprises the steps that an isoproturon raw medicine, a dispersing agent, a wetting agent and water are mixed, pre-dispersed and sanded till D90 is smaller than or equal to 5 micrometers, and fine isoproturon slurry is prepared; and mixing a dichloroclomazone raw medicine, the fine slurry and other auxiliary agents, homogenizing, adjusting the pH value, and filtering. The method effectively solves the problem of preparation instability caused by a conventional blending process. The composition disclosed by the invention has a synergistic effect on gramineae and broadleaf weeds such as alopecurus aequalis, beckmannia syzigachne and descurainia sophia in wheat fields, and is excellent in control effect and convenient to use.

The invention relates to the technical field of homology of medicine and food, and particularly discloses a gramineous or leguminous plant bud body and a desprouted grain as well as a preparation method and application thereof. The preparation method comprises the following steps: taking seeds with buds, and separating seed bodies from bud parts to obtain germinated grains and buds; the bud bodies and the sprouted grains can be used for preparing medicines or foods with corresponding effects, so that the blank of the traditional sprouting processing technology is filled, precise utilization in different parts is realized, and the curative effect is definite.

The invention provides a weeding composition containing quizalofop-p-ethyl and bispyribac-sodium, the mass ratio of quizalofop-p-ethyl to bispyribac-sodium is (1-6): (1-10), and auxiliary agents such as an emulsifier, a dispersing agent, a stabilizer, a thickening agent, vegetable oil and deionized water are added to prepare a dispersible oil suspending agent. By utilizing different action mechanisms of quizalofop-p-ethyl and bispyribac-sodium, the composition is compounded and used for non-transgenic ACCase and ALS inhibitor resistant rice, can effectively kill difficult-to-prevent gramineous weeds such as rice, barnyard grass and leersia oryzae in a rice field and annual weeds such as cyperus iria and monochoria vaginalis, and has a remarkable effect.

The invention relates to an efficient and high-activity collection device and method for field pollen, the method comprises the steps that pollen is collected by a pollen collection device with a cooling bin and stored in the cooling bin, collection cloth used for intercepting the pollen is arranged on a pollen conveying channel of the pollen collection device, and the collection cloth intercepts the pollen on the surface of the collection cloth; then the collecting cloth is conveyed into a cooling bin, and the collecting cloth located at one end of the cooling bin is stored after being wound by a cloth winding roller; the cloth collecting roller is detachably arranged in the cooling bin. The method and the device can be widely applied to mechanical collection and storage of pollen of gramineous crops or crops needing artificial supplementary pollination, pollen collection efficiency is improved, pollen vitality and pollination setting rate are guaranteed to a greater extent, and requirements of large-scale production of crop hybrids on pollen are met.

The present invention provides a method for detecting fungal DNA in a turf grass sample with a loop-mediated isothermal amplification (LAMP) assay which contains primers for fungal DNA of at least one turf pathogenic fungi selected from Sclerotinia homoeocarpa, Rhizoctonia solani spp., Pythium aphanidermatum, Gaeumannomyces graminis spp., Microdochium nivale spp., Magnaporthe poae, Colletotrichum graminicola, Colletotrichum cereale and Pythium ultimum var. ultimum, comprising: subjecting the turf sample to a LAMP reaction wherein the LAMP reaction uses a primer set of four or more nucleic acid sequences with each primer in the set having from 15 to 50 nucleic acids The primers useful in the present method are selected from specifically selected internal transcribed spacer regions or genes of the target fungi to provide improved assay results.

The invention provides a gramineous crop disease classification method based on a multi-scale feature and label smoothing strategy, and relates to the technical field of crop disease identification, and the method comprises the steps: obtaining gramineous crop image data; carrying out enhancement processing on the gramineous crop image data by utilizing an ROI (Region of Interest) guide strategy based on scab region enhancement and color jitter contrast constraint to obtain enhanced image data; constructing a multi-scale deep network model based on multi-scale feature fusion; training the multi-scale deep network model by using a label smoothing strategy to obtain a trained multi-scale deep network model; and analyzing the gramineous crop image data by using the trained multi-scale deep network model to obtain a gramineous crop disease classification prediction result, thereby completing classification of gramineous crop diseases. According to the method, the problems of low structural efficiency, low classification precision and unstable training of gramineous crop disease image classification are solved.

The utility model relates to a high-efficiency and high-activity collecting device for field pollen, which comprises a collecting bin, a cooling bin and collecting cloth, and one end of the collecting cloth penetrates through the collecting bin, extends into the cooling bin and is wound on a cloth winding roller; the collecting cloth located in the collecting bin is separated on the pollen conveying channel of the collecting bin and used for intercepting the sucked pollen and conveying the pollen into the cooling bin to be rolled and stored. The device can be widely applied to mechanical collection and storage of pollen of gramineous crops or crops needing artificial supplementary pollination, pollen collection efficiency is improved, pollen vitality and pollination setting rate can be guaranteed to a greater extent, and requirements of large-scale production of crop hybrids for pollen are met.

The application provides a polypeptide, a plant immune elicitor and application thereof. The polypeptide has 10 or 11 amino acid residues; the amino acid at the first position of the polypeptide is serine, and the amino acids at the 9th and 10th positions are both cysteine; if the polypeptide has 11 amino acid residues, the amino acid at the 11th position of the polypeptide is asparagine. The polypeptide can solve the problem that there is no small peptide secreted by gramineae plants in the prior art, and is suitable for the field of plant immune elicitors.

This invention provides EsPTI2 The application of genes in regulating plant leaf number falls under the field of biotechnology. This invention is the first to discover that overexpression of genes in plants... EsPTI2 The gene can increase the number of leaves in rice and wheat, promote the synthesis of more carbohydrates and other nutrients, provide support for plant growth and development, and thus help biomass accumulation and yield increase. It fills the technical gap in high-yield plant type improvement of this species, provides a theoretical basis and technical reference for molecular design breeding of other grass forage grasses, and promotes the upgrading of forage grass breeding from traditional phenotypic selection to precision molecular breeding.