209 results about "Weed control" patented technology

Disclosed herein are methods, devices, modules, and systems which may be employed for accurate targeting of objects. A method of point-to-point targeting may be implemented by systems with two or more sensors to locate an object and coordinate a handoff between the two or more sensors. These methods, devices, modules, and systems may be used for automated crop cultivation or maintenance. Devices disclosed herein may be configured to locate, identify, and autonomously target a weed with a beam, such as a laser beam, which may burn or irradiate the weed. The methods, devices, modules, and systems may be used for agricultural crop management or for at-home weed control.

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

The present invention belongs to the field of pesticides, and particularly relates to a herbicidal composition and its application. The herbicidal composition comprises an effective herbicidal amount of active ingredient A and active ingredient B. Among them, active ingredient A is, and active ingredient B is selected from one or more of the following compounds: haloxyfop-P-methyl, cyhalofop-butyl, imazapyr. This composition can effectively control weeds such as Spartina alterniflora, and has the characteristics of expanding the herbicidal spectrum, reducing the application amount, being able to produce a synergistic effect and solving resistant weeds, etc.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active component A and an active component B. The active component A is isoxafop-butyl, the active component B is any one of metamifop, cyhalofop-butyl, clodinafop-propargyl and pinoxaden, and the active component B is one of isoxafop-butyl, cyhalofop-butyl, clodinafop-propargyl and pinoxaden. The mass ratio of the active component A to the active component B is (1: 12)-(24: 1). The weeding composition disclosed by the invention is wide in weed control spectrum and can be used for comprehensively preventing and controlling various weeds in rice fields and wheat fields.

To provide a weed control base material capable of exerting stable weed control and radiation shielding functions over a long period of time, and a weed control method.SOLUTION: A weed control base material 1 is formed by kneading a base material 10 made of an inorganic porous material 11 and a plurality of plant materials 12 with a solidifying material 20, where the plant materials 11 include fibrous bodies made of a secondary crushed material of coniferous bark 11a. A weed control method includes the steps of: adding water W to the weed control base material 1 and kneading it to produce a mixed base material 1a; and laying the mixed base material 1a on a target base G and compacting it, or spraying the mixed base material 1a on the target base G.SELECTED DRAWING: None

To provide a retroreflective weed-proof sheet in which the position of a curb is easily visually recognized at night.SOLUTION: A retroreflective weed-proof sheet is laid at a boundary between a roadway or a sidewalk and a curb. The retroreflective weed-proof sheet is formed by laminating and integrating a glass bead 2 embedded in a transparent resin layer 1, an aluminum layer 3, a nonwoven fabric layer 4, and an asphalt layer 5 in this order from the surface. Due to the glass beads 2 and the aluminum layer 3 embedded in the transparent resin layer 1, when the headlight of a vehicle is applied at night, the color of the surface is visually recognized as silver gray, so that the position of the curb can be confirmed. The aluminum layer 3 and the nonwoven fabric layer 4 are formed of an aluminum-deposited nonwoven fabric.SELECTED DRAWING: Figure 1

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

The invention provides a multifunctional forestry weeding device for forestry, and relates to the field of forestry weeding, an operator can easily adjust the positions of an adjusting support and a cutting disc at the bottom by starting an adjusting air cylinder, and the height adjustability provides great convenience for a user; the weeding operation can be individually set according to the height, density and weeding requirements of different crops, the weeding effect is further optimized, unnecessary crop damage is reduced, meanwhile, the dividing base synchronously moves along with the adjusting support, the position is automatically adjusted, the consistency and coordination of the whole weeding system are ensured, and the weeding efficiency is improved. The overall efficiency of operation is improved, and the problem that the weeding device cannot well face the environment when facing undulating broken stones with a certain size on a road, so that the weeding device needs to take certain measures on the undulating broken stones or the undulating road to perform cleaning operation during weeding is solved; therefore, the weeding efficiency of the weeding device is reduced.

The invention discloses a photovoltaic panel area intelligent weeding control system based on multi-mode perception, and relates to the technical field of weeding control, and the system comprises a feature extraction module which is used for collecting multispectral image data of a photovoltaic panel area and obtaining a vegetation analysis result; the cooperative control parameter determination module is used for performing path planning, generating a weeding path, performing dynamic energy distribution and determining cooperative control parameters; and the control feedback module is used for performing control feedback on the controller of the photovoltaic panel area and executing intelligent weeding operation of the photovoltaic panel area. The technical problems that in the prior art, photovoltaic panel area weed identification is not accurate, the weeding efficiency is low, energy distribution is not reasonable, the weeding effect is poor and energy is wasted are solved, and the technical effects that photovoltaic panel area weeds are accurately identified and efficiently removed, and the weeding efficiency and the energy utilization efficiency are effectively improved are achieved.

The utility model relates to the technical field of grass-proof cloth, in particular to a grass-proof cloth water permeability testing device which comprises a base, a square frame, a connecting frame, a connecting rod, a clamping plate and the like. The square-shaped frame is installed on the base, the square-shaped frame is provided with an open upper part, a closed lower part and a cavity inside, the square-shaped frame is used for storing test water, vertical rods are symmetrically and slidably installed on two symmetrical outer walls of the square-shaped frame, two adjacent vertical rods are jointly connected with a clamping plate, and connecting rods parallel to the vertical rods are arranged on the side walls of the clamping plates. The U-shaped frame moves downwards to drive the connecting frame to move downwards, and the connecting frame drives the clamping plate to move downwards through the connecting rod, so that the weed-proof cloth arranged at the top of the square frame and the top of the supporting plate is pressed, the weed-proof cloth is tightly attached to the top of the square frame, the function of efficiently fixing the weed-proof cloth is achieved, and convenience is provided for water permeability testing of the weed-proof cloth; the method has the advantages of simple operation and high efficiency.

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.

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 invention discloses a ficus tikoua bur reasonable cultivation method and popularization and application, relates to the technical field of crop cultivation, and aims to solve the problems that ficus tikoua bur is unstable in root system, afraid of strong light exposure, difficult in seedling identification, low in land utilization rate and the like through reasonable cultivation time planning, soil preparation in September to November, shading cutting seedling raising in August to October and field planting in October to November. The efficient survival of the seedlings is realized by matching with the covering of degradable grass-proof cloth, the precise water and fertilizer management of drip irrigation / micro-spray irrigation and the gradual topdressing; cold-resistant dwarf crops are interplanted in the slow growing period of wild sweet potatoes from November to the beginning of summer of the next year, multiple harvest in one season is achieved, the concentrated harvesting period from June to August is matched with holiday experience type picking, and the rural economy is linked. Meanwhile, stable productivity is guaranteed through unified and standard seedling supply, non-target plant resource treatment and seedling replacement complementary planting, a production area primary processing and rural overall planning and popularization mode is matched, a complete system integrating standardized cultivation, picking experience, industrial popularization and productivity guarantee is formed, and the method is suitable for flat land and hilly land agricultural factories and rural large-scale planting; operation is easy and convenient, the productivity is controllable, and agricultural competent departments can promote standardized and industrial standardized management from the technical level.

A rice direct seeding seed coating method with iron powder as main raw material, comprising the following steps: 1) weighing rice seeds and pouring into a coating machine, carrying out spiral mixing, spraying water on the surface of the rice seeds in the coating machine to make the surface of the rice seeds evenly wet; 2) adding raw materials to the rice seeds in the coating machine for at least two times, adding sodium carboxymethyl cellulose, calcium sulfate powder, iron powder and calcium peroxide powder in sequence in steps each time, and finally adding a fungicide; the raw material dosages are based on the weight of the rice seeds: sodium carboxymethyl cellulose 1.5-3%, calcium sulfate CaSO4·2H2O 2-6%, calcium peroxide CaO2 4-8%, iron powder 35-45%, and the fungicide 0.1-0.4%, and the water addition amount is not more than 30%; 3) spreading the coated rice seeds into a container and drying under ventilation. The present application adopts iron powder to coat the rice seeds for direct seeding, without seed disinfection, with deeper seed fall depth, improved seed germination rate, enhanced rice plant lodging resistance, and high-efficiency weed control by direct seeding in water.

The present application provides a method for controlling weeds and planting target plants simultaneously by using plant materials, comprising the following steps: placing plant materials on a carrier to form a plant material layer; and planting the target plants on the surface of the plant material layer and / or in the layer of the plant material layer. The present application ingeniously utilizes the synergistic effect of plant materials and water at different specific periods, and taps and utilizes the spatial steric hindrance effect of target plants on top and weeds below to control weeds, so that ideal weed control effect and ideal target plant survival rate can be obtained. The present application can simplify farm operation, save time, save labor cost, reduce energy consumption, reduce pesticide and fertilizer, and improve the quality of agricultural products. Compared with the traditional planting method of crops, the present application is a revolution of the target plant cultivation method and weed control technology, and provides an ideal solution for the development of green and organic agriculture.

The invention relates to the technical field of pesticides, and discloses a crystal form of ammonium glyphosate and a preparation method thereof, an X-ray diffraction pattern of the crystal form of ammonium glyphosate comprises at least one characteristic peak in 2theta of 10.196 + / -0.2 degrees, 18.339 + / -0.2 degrees, 20.207 + / -0.2 degrees, 20.857 + / -0.2 degrees, 22.483 + / -0.2 degrees, 22.845 + / -0.2 degrees, 23.416 + / -0.2 degrees, 24.868 + / -0.2 degrees, 26.811 + / -0.2 degrees, 28.878 + / -0.2 degrees or 34.057 + / -0.2 degrees, and the crystal form of ammonium glyphosate is tested to have the characteristic peak of 2theta of 10.196 + / -0.2 degrees, 18.339 + / -0.2 the crystal is regular and high in stability, the control effect reaches 96.79% after the herbicide is applied for 14 days, the control effect reaches 99.05% after the herbicide is applied for 28 days, and the weeding performance is excellent.

1. Name of the product in this design: Grass hook. 2. Purpose of this design: for weed control. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides germacradienol biosynthase OsGMS and application of the germacradienol biosynthase OsGMS in prevention and control of pathogenic fungi and weeds, and belongs to the technical field of biosynthesis. The amino acid sequence of the rice germacradienol synthase OsGMS comprises an amino acid sequence as shown in SEQ ID NO: 1, or a functional homologous sequence with at least 75% sequence similarity with the amino acid sequence as shown in SEQ ID NO: 1, or one or more amino acids are added, deleted and replaced in the amino acid sequence as shown in SEQ ID NO: 1, or the amino acid sequence as shown in SEQ ID NO: 1 is a homologous sequence with at least 75% sequence similarity with the amino acid sequence as shown in SEQ ID NO: 2. And the protein formed by the amino acid sequence as shown in SEQ ID NO: 1 has an amino acid sequence with the same function. The encoding gene of the rice germacradienol synthase OsGMS is integrated into a carrier and introduced into a host cell, so that the encoding gene is expressed in the host cell, biosynthesis of germacradienol is realized, the germacradienol has the effect of inhibiting the growth of plant pathogenic fungi and weeds, and therefore, the germacradienol synthase OsGMS can be used for preparing novel biological pesticides capable of inhibiting the fungi and the weeds, and can be used for preparing biological pesticides for inhibiting the fungi and the weeds. And a new technical path is provided for developing environment-friendly agricultural preparations.

The invention discloses a triaziflam-containing weeding composition and application thereof, the composition comprises an active component A and an active component B, the active component A is triaziflam, and the active component B is bispyribac-sodium. The mass ratio of the active component A to the active component B of the composition is (1: 50)-(50: 1). The weeding composition is reasonable in component and good in weeding effect in paddy fields, the activity and the weeding effect of the weeding composition are not simple superposition of all the components, and compared with an existing single preparation, the weeding composition has the advantages of being remarkable in weeding effect, low in dosage, wide in weed control spectrum and good in crop safety.

The application belongs to the technical field of pesticide weeding, and discloses a weeding composition containing icafolin and application thereof. The weeding composition contains active ingredient A and active ingredient B. The active ingredient A is icafolin, the active ingredient B is any one of benzenesulfonamides or thiophenesulfonamides, and the mass ratio of the active ingredient A to the active ingredient B is 1:2-200:4.5. The weeding composition provided by the application has high weeding activity, and the mixture of the two has superimposition effect, complementary mechanism, and an expanded weed spectrum. The weeding composition has good weed control effect in corn fields, wheat fields, peanut fields and soybean fields.

The invention discloses application of polymyxin B in control of various weeds, and belongs to the technical field of agricultural biology. On one hand, polymyxin B can effectively inhibit growth of roots of various weeds; on the other hand, the plant leaves can be whitened or withered by spraying the fertilizer on the leaves. Experiments show that the root growth inhibition effect of weeds such as arabidopsis thaliana and barnyard grass is enhanced along with increase of the concentration of the polymyxin B, when the concentration of the polymyxin B in a plant culture medium is 10 [mu] M, the arabidopsis thaliana has a stress phenomenon, and when the concentration of the polymyxin B is increased to 50 [mu] M, leaves of the arabidopsis thaliana have a whitening phenomenon and plants die. If a leaf spraying mode is adopted, spraying of polymyxin B with the concentration of 500 [mu] M can make barnyard grass leaves whitened, and alfalfa leaves can be damaged. And through experiments, polymyxin B can whiten various weeds such as ryegrass and amaranthus retroflexus, and the scheme has high efficiency and environmental friendliness.

The invention relates to the field of crop protection, more specifically to the use of methyl (2R*,4R*)-4-[[(5S)-3-(3,5-difluorophenyl)-5-vinyl-4H-isoxazole-5-carbonyl]amino]tetrahydrofuran-2-carboxylate (I) and / or a salt thereof for control of undesired vegetation in an area comprising pineapple plants by an application over the top of the pineapple plants.

Agricultural sowing and planting implement whose drive and traction mechanism uses the tractor as traction, characterized in that it comprises: a welded assembly consisting of a front frame and engine mount, a front axle with a steering group, a rear axle with a gearbox and a complete milling unit, a rear frame, a right-left threaded rod, a hydraulic cylinder and an engine, wherein the front axle with the steering group is mounted on the front of the welded assembly consisting of a front frame and engine mount, the rear frame is attached to the rear of this welded assembly and comprises a sliding outer square tube; the welded assembly consisting of a front frame and engine mount comprises the front frame, the engine mount and a sliding inner square tube; the engine is mounted on the engine mount, the engine mount on the outer sliding square tube, which encloses the inner sliding square tube;The rear axle with transmission and complete tilling unit comprises a rear wheel group, a transmission, an agricultural implement, a fixed square tube, and a height adjustment device. The transmission is pivoted on the rear frame and connected to the engine via a V-belt, allowing both to operate synchronously. The transmission is connected to the agricultural implement and the rear wheel group, whereby the agricultural implement can be a rotary tiller, stubble cultivator, trencher, ridge former, weed control machine, vine cover machine, seed drill, or fertilizer.

The application relates to the field of cloth technology, in particular to a moisture and fertilizer preserving grass preventing cloth. The cloth body is sequentially provided with a reflecting layer, a waterproof layer, a water absorbing structure layer and a reinforcing layer from an outer surface to an inner surface, at least one water guide hole is arranged in the reflecting layer, the waterproof layer and the reinforcing layer, and the water guide hole of the reflecting layer is communicated with the water guide hole of the waterproof layer. By arranging the water guide holes communicated with each other in the reflecting layer, the waterproof layer and the reinforcing layer, and in combination with the water absorbing structure layer, effective water conduction and penetration are realized, and the problems of surface water accumulation or water shortage at plant roots caused by the lack of a water draining and ventilating mechanism of the existing grass preventing cloth are solved.

This item is a fixing stake used to secure sheet-like materials, such as vegetation sheets, weed control sheets, mulch films, cloth, and nonwoven fabrics, to the ground. This item is made of bamboo and easily decomposes in the natural environment after use. Therefore, it places a small burden on the environment even when used for long-term fixation. In addition, this item can be manufactured by reusing bamboo swords, particularly the "hitting" part, which contributes to the effective use of resources.

A Bipolaris yamadae (Y. Nisik.) shoemaker (HXDC-1-2), and a screening and identification method therefor and use thereof. The Bipolaris yamadae (Y Nisik.) strain (HXDC-1-2) is deposited in the China General Microbiological Culture Collection Center with the accession number CGMCC No. 17778. The Bipolaris yamadae (Y. Nisik.) strain (HXDC-1-2) is applied to biological weed control when the conidial concentration is 102 conidia / ml or more.

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 or isoxamid methyl ester, and the active ingredient A is any one of pyriminobac-methyl, pyribenzoxim or bispyribac-sodium; the mass ratio of the active component A to the active component B is (1: 6)-(12: 1). The weeding composition disclosed by the invention has an obvious synergistic effect on weeds in paddy fields.

The present invention relates to a self-contained refrigeration device designed for agricultural applications, including cooling post-harvest crops, and other agricultural treatments. The device operates by utilizing phase transitions of liquid carbon dioxide (CO2), which solidifies into dry ice and sublimates to provide cooling without requiring external power or a closed heat pump cycle. The device comprises a pressure chamber for containing liquid CO2, an expansion chamber for controlled CO2 release, and a heat exchanger in proximity to the expansion chamber that cools fluid (such as air or irrigation water) for delivery to the agricultural environment. The device may also include a closed-loop system to recycle gaseous CO2, sensor-controlled algorithms to regulate the cooling process, and optional power generation mechanisms using CO2 gas streams. This invention provides an autonomous, energy-efficient solution for agricultural cooling, offering benefits such as improved photosynthesis, pH regulation, pathogen reduction, and targeted weed control.

The invention discloses a device and a method for treating diseases, pests and weeds in the growing period of feeding oat, belongs to the technical field of disease, pest and weed treatment, and aims to solve the problems of low spraying efficiency, high cost and invariable cleaning of the interior of the device. According to the feeding oat growing period disease and insect pest treatment device and method, the disease and insect pest situation of an oat seedling field can be accurately recognized in real time, pesticide spraying can be conducted in real time when the disease and insect pests are found, the disease and insect pest treatment efficiency is improved, and the disease and insect pest treatment effect is improved. Therefore, pests and diseases are effectively controlled in the initial stage and prevented from further diffusing and damaging crops, meanwhile, rainwater and wind energy can be utilized for self-cleaning, pesticide residues are avoided, equipment faults and maintenance requirements caused by nozzle blockage and abrasion are reduced, maintenance cost is reduced, reliability of equipment is improved, and the service life of the equipment is prolonged.