530 results about "Weed control" patented technology

Provided herein are synergistic herbicidal compositions containing and methods utilizing (a) a compound of formula (I):or an agriculturally acceptable salt or ester thereof and (b) an ACCase inhibitors, including. e.g., clethodim, clodinafop-propargyl, cyhalofop-R-butyl, diclofop-methyl, fenoxaprop-P-ethyl, fluazifop-P-butyl, haloxyfop-R-methyl, metamifop, pinoxaden, profoxydim, quizalofop-P-ethyl, sethoxydim and tralkoxydim, provide synergistic weed control of undesirable vegetation in rice, cereals, wheat, barley, oats, rye, sorghum, corn / maize, sugarcane, sunflower, oilseed rape, canola, sugar beet, soybean, cotton, pineapple, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, plantation crops, vegetables, industrial vegetation management (IVM) or rights of way (ROW).

The present invention provides novel compositions for use to enhance weed control. Specifically, the present invention provides for methods and compositions that modulate gene expression in johnsongrass. The present invention also provides for combinations of compositions and methods that enhance johnsongrass control. The invention comprises a method of Sorghum species weed control, in particular johnsongrass (Sorghum halepense) plant control comprising an external application of a herbicidal composition to a Sorghum halepense plant or a part of the Sorghum halepense plant in need of control, said herbicidal composition comprising a polynucleotide, an organosilicone surfactant concentration of about 0.2 percent or greater, and an effective dose of a nonpolynucleotide herbicide.

A hand held dispenser of hot water intended for weed control purposes has a handle containing a hose connection, a flow regulator, a heating tube, an exit tube, a nozzle and a power switch. The handle is connected to a tube which contains a main electric water heating element surrounded by a tube through which water can flow form the bottom of the wand towards the handle before being piped through an exit tube to the nozzle. A temperature sensor is positioned adjacent the handle to regulate the power supplied to the heating element.

The present invention provides novel compositions for use to enhance weed control. Specifically, the present invention provides for methods and compositions that modulate gene expression in Lolium. The present invention also provides for combinations of compositions and methods that enhance Lolium control.

The invention discloses a cultivation method for drily direct-seeding rice. The cultivation method comprises the following steps: A. dry soil preparation: drily ploughing and preparing the land, and raking the land thoroughly; B. application of fertilizer: during the whole growth period, the dosage of nitrogen phosphorus and potassium being 10-13 kg of N, 4-6 kg of P2O5 and 5-8 kg of K2O per mu (a unit of area, equal to 0.0667 hectares), wherein the nitrogen phosphorus and potassium in the base fertilizer is 40%, 100% and 50% of the planned dosage in the whole growth period; C. seed selection and coating: selecting high-yield large-panicle type or intermediate form type of rice seeds, utilizing a special dry cultivation seed coating agent to be mixed with the seeds; D. sowing: sowing the seeds in the last twenty days of April and the first ten days of June at a seed amount per mu of 1.5-4.0 kg; E. weed control: utilizing a weed control method of removing the weed, utilizing a herbicide and supplementing the rice seeds; F. water management: taking rainwater cultivation as a main manner from the seedling emergence period to a three-leaf and one-core period, and conducting flood irrigation from the three-leaf and one-core period to two weeks before harvesting; G. integrated control of diseases and pests. With adoption of the high-yield and high-efficiency cultivation technology for the drily direct-seeding rice, the average yield per mu is 608.7 kg, which is not lower than the conventional transplant planting pattern; furthermore, the moisture production efficiency and the grain nitrogen production efficiency are both obviously higher than that of the conventional transplant planting pattern.

The invention discloses an organic pepper substrate cultivation method and belongs to the field of vegetable cultivation. The method includes the following steps of cultivation substrate preparation, variety selection, seedling sowing, cultivation management, disease, pest and weed control and harvesting. According to the organic pepper substrate cultivation method, substrates are easy to prepare, the sources of raw materials are wide, the effect of fertilizers is good, the method is suitable for large-scale production of organic peppers, the cultivation modes of greenhouse cultivation and field cultivation can be chosen according to the actual situation, the production process is in full compliance with national organic product certification standards, products can be sold as organic vegetables in the market after a 3-year transition period, the occurrence of diseases and pests is low in the production process, the products are high in yield and good in quality, the food safety is guaranteed, and the economic input-output ratio is high.

Herbicide-fertilizer combination granular products are described comprising singular, or blended, basic fertilizer granular materials and impregnated with or coated thereon a herbicidal material for controlling broadleaf weeds postemergence. The weed and feed fertilizer products uniquely are characterized by the size, weight and physical property of the fertilizers and any filler particles contained in the weed and feed fertilizer blend product in that the particle size is substantially in the micro-sized range of 500 to 1500 microns; the particle weight generally is less than one-tenth that of customary regular-sized weed and feed particles; and there is a greater cohesion of the particle to the weed foliage. These micro-sized particles exhibit a significantly higher incidence of contact with and greater adhesion to the foliage of weeds thus providing superior weed control.

The invention relates to a stitched domestic waste lawn seeded strip and the producing method, which applies the domestic waste as raw material to make carrier with up and low layer, lawn plant seed and nutriment element composition, the said lawn plant seed and nutriment element is distributed in the up and low layer homogeneously, the said carrier is made up of waste newspaper, waste cotton fabric, gaze and face tissues. The productive technology of the invention is very simple, the resistance to folding and transport endurance are improved significantly, realizing 100% weeds controlling, with the cost dropping above 100%, promoting the city ecological construction and realizing the target of sustainable development with highly effective uniformity of the environment and economy.

The invention discloses a method for mechanically harvesting winter rape efficiently with low power consumption. The method comprises the following steps of: A, constructing a rape group suitable for mechanical harvest: selecting the variety suitable for mechanical production, performing mechanical precise-quantity direct seeding when the soil water content is 30 to 40 percent, and constructing an ideal group and a plant type by fertilizer and water application and disease inset pest and weed control; B, adjusting a mature period: spraying a ripener two to three days before the harvest of rape seed ripening stage in the regions of contradictory seasons; C, harvesting at right time: observing and measuring the morphological physiological index of the plant before the harvest of the rape, wherein more than 95 percent of siliques, namely yellow loquat fruits in the cropland are suitable for mechanical harvest; D, mechanically harvesting and measuring loss rate: harvesting by a special rape harvesting mechanism in a combining way in the period suitable for harvest; E, smashing and returning rape straw to the cropland: flooding the straw in water immediately after the harvest of rape, decaying and returning to the cropland. The method is easy and convenient to operate, improves a one-time efficient branch height, reduces the branch number, reduces the thickness of the pod layer, solves the problems of high harvest loss rate, and improves the yield.

The invention discloses a method for controlling weeds in a tea garden, which comprises the following steps: first, plowing is carried out on the ground between tea plant rows in winter to remove root systems of the weeds such as nutgrass flatsedge, alligator alternanthera, greenbrier, chinaroot greenbrier, cogongrass, smartweed, lygodium and the like; a high-quality organic fertilizer is applied in spring: a certain amount of rape seed cake fertilizer is broadcast; the ground is covered with rice straws in spring: after the rape seed cake fertilizer is broadcast, all tea plant rows in the garden are immediately evenly covered with a certain amount of the rice straws; the high-quality organic fertilizer is applied in summer: a proper amount of the rape seed cake fertilizer is broadcast at a certain time; and the ground is covered with the rice straws in summer: after the rape seed cake fertilizer is broadcast, all tea plant rows are immediately evenly covered with a certain amount of the rice straws. The method enriches biodiversity of the tea garden, improves the ecological condition of the tea garden, increases tea yield, improves the quality of tea leaves; in addition, the method has the advantage of simple operation, is easy to be accepted by tea growers and has great popularization and application prospect.

The invention relates to a black peanut planting method comprising a plurality of steps such as plot selection; land preparation and fertilization; ridging; disease, pest and weed controlling; reasonable close planting; field management; and timely harvesting. With the black peanut planting method provided by the invention, disease and pest infection and premature aging phenomena can be effectively avoided; stem and leaf functioning period and photosynthesis are prolonged; root system absorption capacity is enhanced; dry matter accumulation is promoted; fruit-setting rate is high; and yield is finally increased.

The invention relates to the use of one or more compounds of the formula (I) or salts thereof,whereinthe groups R1 to R8 are defined as set forth in claim 1, optionally in the presence of additional agrochemical active ingredients, for selective weed control on turf or lawn.

A weed control system has an opaque portion and a growth promoting portion. The opaque portion blocks passage of light therethrough and blocks passage of seedlings growing from weed seeds in a ground region. The growth promoting portion is adapted to be disposed between the opaque portion of the system and the ground region. The growth promoting portion promotes germination of the weed seeds and the resulting weed seedlings die as the opaque portion prevents any light from reaching the seedlings.

The invention discloses an efficient cultivation method for increasing the yield and starch content of canna edulis. The method comprises steps of land selection, soil preparation, sowing, field management, pest disease and weed control, maturation, harvest, and seed reservation. The method comprises following operation steps: (1) land selection and soil preparation; (2) sowing including variety selection, sowing time selection, potato seed processing, base fertilizer application and planting mode selection; (3) filed management including seedling stage management, intertillage weeding and hilling, top application of fertilizer, water management and florescence management; (4) disease and pest control including disease control and pest control; (5) maturation and harvest; and (6) seed reservation. By employing the method, the canna edulis is high in yield and starch content, and problems that the canna edulis is low in mu yield and starch content are effectively solved. Through the interplanting of canna edulis and soybeans, the growth of weeds can be effectively controlled, soil is loosened, nitrogen is fixed through soybean rhizobium, the application amount of fertilizer can be reduced, green leaves and stems of the harvested soybeans can be returned to the field, the soil productivity can be increased, and finally the income of farmers can be increased.

The invention relates to a cuttage breeding method of taxus chinensis in northeast, comprising the following steps: selecting a one-year-old branch as a branch for cuttage; concealing the branch at ashade place, and carrying the branch to a destination after the branch is packaged by a plastic bag; retaining 1-2 leaves on the upper end of each nursery stock stalk when shearing a seedling, shearing the parts longer than 3cm of the retained leaves, and also shearing leaves inserted into the stalk positioned in the middle of a seedling bed; disinfecting a land before the cuttage so as to reducerhizoctonia solani kuhn, and carrying out the cuttage from the middle ten days of October to the first ten days of November or from February to March; using a light shielding net of 80 percent to shield light without directly shining with the sun during the daily management of the seedling; controlling the soil water content at 35-45 percent; and paying attention to the water drainage of the seedling in rainy days and intertillage weed control in ordinary days, and preventing and curing diseases of the seedling in time by chemical agents. By adopting the cuttage breeding method, the taxus chinensis in northeast has high survival rate, fast breeding cultivation and high disease resistance.

A method for producing a transgenic plant which is resistant to a weed control compound is disclosed. In the inventive method, a nucleotide sequence encoding a variant of plant protoporphyrinogen IX oxidase that lacks the FAD binding sequence is introduced into a plant cell. The nucleotide sequence is expressed and the plant cell is regenerated into a transgenic plant.

The invention relates to a microsclerotium bacterial strain and a method for biological weed control therewith, belonging to the application of microorganism for agricultural plant protection. The microsclerotium bacterial strain is (SC64) CGMCC with number thereof being NO.2934. The use dosage of weeding bacterial particles obtained by solid fermentation of the bacterial strain ranges from 30g.m-2-150 g.m-2, and the weeding bacterial particles can be applied to poaceae crops such as corn, rice, wheat, barley, sugar cane, kaoliang, millet and poaceae plants such as lawn bermuda grass, zoysia japonica, festuca arundinacea, poa annua, agrostis stolonifera, axonopus compressus, eremochloa ophiuroides, ditch millet to control growth of broad-leaf weed. In addition, in particular, the weeding bacterial particles can be applied to control destructive invasive foreign weeds such as eupatorium adenophorum, solidago canadensis, horseweed herb, conyza sumatrensis, flaveria bidentis, mikania micrantha, annual fleabane herb and fragrant eupatorium herb. 80% of the target weeds can be brought under control, thus having the characteristics of safety and environmental friendliness.

The invention discloses a sustained-release mixed fertilizer. The sustained-release mixed fertilizer comprises the following raw materials in parts by weight: 30 to 40 parts of urea, 15 to 25 parts of monopotassium phosphate, 10 to 20 parts of potassium silicate, 3 to 5 parts of magnesium sulfate, 8 to 10 parts of calcium chloride, 0.2 to 0.4 part of zinc sulfate, 0.3 to 0.5 part of copper nitrate, 0.5 to 1.5 parts of sodium borate, 0.1 to 0.3 part of ferric chloride, 0.1 to 0.3 part of manganese sulfate, 0.3 to 0.5 part of ammonium molybdate, 22 to 29 parts of sodium alginate, 40 to 50 parts of coating material, 5 to 10 parts of biochar, 10 to 15 parts of soybean meal, 10 to 15 parts of humic acid, 10 to 15 parts of straw, 8 to 12 parts of plant ash, and 5 to 7 parts of Gaotouwu powder. The invention also discloses a preparation method of the sustained-release mixed fertilizer. The sustained-release mixed fertilizer can control various elements to be released slowly, can improve the soil and can be used for sterilization and weed control, the coating material can be biologically degraded, and the environment can be protected.

The invention provides a soybean cultivating method, and relates to the technical field of crop planting. The soybean cultivating method is characterized by comprising the following seven steps of selection and preparation of land, application of agricultural fertilizers which are used reasonably, mixing of chemical fertilizers and seeds, timely planting, field management, chemical weed control, pest control and timely harvesting. The cost of the fertilizing method is not high, the steps are quite clear, and the soybean cultivating method is suitable for planting and cultivating soybeans in various varieties. The soybean cultivating method is reasonable, and is convenient to implement and high in fertilization effect.

The invention provides a method for efficiently breeding tissue culture seedlings of bletilla striata and a planting method of the bletilla striata. The method for efficiently breeding the tissue culture seedlings of the bletilla striata comprises the following steps: seeding bletilla striata seeds into a seed germination culture medium; carrying out cultivation and germination for 30-40d; and transferring the germinated seeds into a seedling culture medium to cultivate for 3-4 months, wherein the seed germination culture medium comprises 1 / 2 modified MS culture medium, 30-40g / L of potato juice and 20-30g / L of cane sugar; the seedling culture medium comprises the modified MS culture medium, 30-40g / L of a potato juice, 60-70g / L of a banana juice, 20-30g / L of cane sugar and 3.8-4.5g / L of agar powder. The planting method of the bletilla striata comprises the following steps: transplanting the tissue culture seedlings of the bletilla striata into a farmland; carrying out water and fertilizer management after transplanting; and carrying out weed control and diseases and pests prevention and control. The methods are liquid culture medium methods, and only need to transfer once. Compared with a traditional solid culture method, the methods are simple to operate, small in pollution, low in cost, high survival rate and short in culture cycle.

A device for damaging weed is provided, the device having a working tool, which is designed to damage the weed; a classification unit, which has positional data of the weed and / or which is designed to detect weeds; a localization unit, which is designed to ascertain a relative position between the working tool and the weed; and a manipulator unit, which is designed to correspondingly position the working tool as a function of the ascertained relative position.

The invention discloses a high-yield cotton cultivation method. The high-yield cotton cultivation method includes the steps: using a constant value mode of 1.5m X 4m and 3m X 4m as spacing in the rows and spacing between rows of fruit trees in jujube-cotton intercropping; before cotton seeding, topdressing and irrigating for the first time on the last twenty days of March, implementing autumn ploughing and winter irrigation, and completing fertilization, land preparation and weed control before autumn ploughing; selecting high-quality seeds, and starting to seed on April 1st and April 5th , wherein seeding depth is 2-3cm, seeding rate is 60-75kg / hm2, 2-3 seeds are sown in each hole, and earthing depth is 1.0-1.5cm; starting final singling when one true leaf appears, intertilling timely, using mepiquat chloride 9 to control the plant height within a range of 65-70cm, and subjecting cotton to topdressing, irrigation, topping and collection; preventing pests such as tetranychus, aphid, thrips and cotton bollworm in jujube-cotton intercropping cropland. By means of the high-yield cotton cultivation method, land utilization rate is fully increased, adverse impact of jujubes on cotton intercropped with the jujubes is lessened, yield of intercropped cotton is maintained and improved, high yield and high efficiency of the cropland can be achieved finally, and consequently income increase is facilitated for farmers.

A weed control system (2) for an agricultural sprayer (1) comprising a camera (3) and a spraying unit (4) with several supply modules, a nozzle (9) and a controller module to receive a weed species detection signal and to control the spraying of chemical agent. The weed control system (2) also comprises a weed species identification unit (5) with a communication module, a memory module and a processing module having several parallel processing cores. Each parallel processing core performs a convolution operation between a sub-matrix constructed from nearby pixels of the image and a predefined kernel stored in the memory module to obtain a feature representation sub-matrix of the pixel values of the image. The processing module computes a probability of presence of a weed species from the feature representation matrix and generates a weed species detection signal.

The invention discloses a herbicidal composition for cotton fields, and the composition comprises a component (a) and a component (b), wherein component (a) is trifloxysulfuron, and component (b) is at least one of haloxyfop-R-methyl, quizalofop-p-ethyl, fluazifop-p-butyl and clethodim; and the weight ratio of the component (a) to the component (b) is 1:40-70:1. The herbicidal composition for the cotton fields can not only prevent and treat most of broadleaf weeds and part of arbor weeds, but also prevent and remove annual and perennial grassy weeds, has special effect for cyperaceae weeds and nugrass flatsedge, good prevention and removal effects and obvious synergy, and can effectively expand the weed controlling spectrum.

The invention discloses a feeding-type sorgo cultivating method. The method includes land preparation and fertilizing, seeding at a proper period, cultivating form determining, field management, pest control, harvesting and the like. Actual conditions of land are combined, key technological links like scientific fertilizing, ridging and mulching, precision seeding, irrigation and disease, pest and weed control are quantified according to soil structure, dry farming and high-efficiency farmland water saving technologies are integrated, agricultural machinery and agricultural technology are organically combined, assembled and integrated, a comprehensive supporting system suitable for local sorgo production is formed, and reliable technological support is provided for high yield and stable yield of sorgo.

The invention relates to a cultivation method for organic vegetables. The method comprises the steps of S1, seedling cultivation, S2, rotation of different crops, S3, field pretreatment and S4, field management. The seedling cultivation step comprises the procedures of 1 seed treatment, wherein disease-resistant high-yield seeds and seedlings without coatings are selected and not purchased from other places, and seeds are soaked in warm water at about 50 DEG C, 2 pretreatment, wherein disinfection treatment is carried out, 3 seedling substrate preparation, wherein grass carbon, rotten organic cow dung, perlite and vermiculite are prepared, and 4 seedling greenhouse treatment, wherein disinfection treatment is carried out before seedling emergence, and disease-resistant treatment is carried out after seedling emergence. The field management step comprises the procedures of 1 insect control, 2 grass control, 3 fertilizer flushing and irrigation, and 4 quality control. The cultivation method is healthy and environmentally friendly, no chemical method or other methods is adopted, the method is natural and organic, and people can eat the produced organic vegetables more relievedly. The method has huge market application and popularization value.

The invention discloses a cultivation method for effectively interplanting gingko trees, crape myrtle, sweet potatoes and lettuces. According to the cultivation method, gingko trees and crape myrtle are interplanted in autumn, and sweet potatoes and lettuces are interplanted respectively in early spring, autumn and winter every year. Compared with an ordinary gingko tree planting garden plot with ordinary gingko trees only, gingko trees and crape myrtle grow well, and the rate of survival reaches more than 98 percent. By means of interplanting of crape myrtle, temperature and humidity of gingko woodland are regulated, and weeds in the woodland are decreased. Due to multiple interplanting of lettuces, peanuts and the like, multiple procedures of soil preparation, fertilizer application, weed control and the like are carried out, soil is loosened, fertility is improved, growth of gingko saplings is promoted, and good foundation is laid for precocity fruiting and more fruits. Meanwhile, from the following year, the yield of sweet potatoes is 900kg-1200kg per mu of a garden plot per year, and the yield of lettuces is 800kg-1000kg per mu per year, output value per mu of a farm is increased, and good economic benefit is achieved. In addition, the interplanting method is simple, low in cost, convenient to operate and easy to popularize.

The invention discloses a weed prevention and control method used in the organic rice planting process. The weed prevention and control method used in the organic rice planting process is low in cost, good in effect, truly free of toxin and damage and practical. The method is characterized that a rice seedling bed is irrigated 7-10 days after rice seedlings are transplanted, deep water weed control is achieved, the weed control water level is kept to be 55-65% of the height of the rice seedlings, and the water level is kept continuously for 8-10 days and nights; during the time from transplanting of the rice seedlings to water treatment, the water level is kept in the field, soil can not be exposed, and growth of weeds and weed seeds is inhibited or the weeds and the weed seeds are dead under the condition that oxygen and sunlight irradiation lack. The method is low in implementation cost, good in weed prevention and control effect and very beneficial to later growth of rice. The method solves the problems which farmers long to solve all the time but are not solved in the organic rice planting process, and has an important promoting significance in planting of organic rice.

The invention discloses an herbicidal composition for a corn field. The composition comprises a component (a) and a component (b), wherein the component (a) is foramsulfuron, the component (b) is at least one of cyanazine, rimsulfuron, atrazine, bentazone, eluthiacet-methyl and bromoxynil octanoate; and the weight ratio of the component (a) to the component (b) is 1:1-70. The herbicidal composition for the corn field can prevent and control gramineous weeds and most broadleaf weeds, has good prevention and control effects and obvious synergy and effectively expands the weed control spectrum.

DNA encoding a herbicide metabolizing protein. Such DNA may, for example, be employed to produce herbicidally resistant plants.