516results about How to "Reduce the frequency of spraying" patented technology

The invention relates to a pesticide composition containing indoxacarb, mainly used in crops disinfestation, which comprises emulsifiable concentrate, wettable powder and suspension agent. The active ingredients of the pesticide composition are indoxacarb and active ingredient B which is any one or composition of more than one with any proportion of Methylamino abamectin benzoate, hexaflumuron, nitenpyram, avermectin, fipronil, chlorfenapyr, acetamiprid, profenofos, phoxim, high-efficiency cypermethrin, cyhalothrin, triazophos and chlorpyrifos. The pesticide composition has the advantages of enlarging the application range, having strong contact toxicity and stomach poisoning action, having low mammalian toxicity and better compatibility of environment, being effective to the pest of every growth period, increasing the effect of every component of the composition significantly, reducing the production cost and agricultural cost of the pesticide, having wide insecticidal spectrum and high efficiency, delaying the occurrence of the drug resistance of the pests, prolonging the service life of the pesticide agent, enabling the high yield and high quality of the crops, having strong activity, long persistent period and stable drug efficacy to the pests.

The invention relates to a slow-release pesticide granula, formed by pesticide active compound, modify amidon, powder and assist agents. Wherein, the invention also provides relative application; the granula can control the active component to be released to condition at preset speed; therefore, the invention can function the plant one time to control their growth in whole season.

The invention relates to a diseases-prevention organic fertilizer prepared by edible fungi residue, comprising the following steps of: adding trichoderma fermentation liquid into decomposed edible fungi residue, and preparing trichoderma fermentation substance; adding actinomycete fermentation liquid into decomposed edible fungi residue, and preparing actinomycete fermentation substance; evenly mixing the trichoderma fermentation substance and the actinomycete fermentation substance according to the mass ratio of 0.5-1:0.5-1; and airing the obtained mixture until the moisture content is 20-22% at the normal temperature; wherein the decomposed edible fungi residue is prepared by stacking and fermenting 75-85 parts of edible fungi residue, 15-20 parts of cake and 1-2 parts of microbial fermentation fungicide, and airing until the moisture content is 25-35%. The diseases-prevention organic fertilizer has high effective component, good diseases-prevention effect, safety, environmental protection and low cost.

Relating to the technical field of renewable energy, the invention specifically relates to a method for producing biogas and organic fertilizers with straw. The method of the invention comprises the steps of: (1) straw pretreatment; (2) straw composting; (3) anaerobic fermentation; and (4) fermentation product utilization. The method of the invention substantially improves the degradation rate of straw and gas output. Meanwhile, pretreatment by a composite bacterial agent can stabilize the pH value of a fermentation system, and is in favor of the normal occurrence of anaerobic fermentation, so that the content of methane in biogas can be raised. The method in the invention greatly saves cost, almost has no sewage discharge, and improves the utilization rate of renewable energy. The biogas produced by anaerobic fermentation of crop straw can be used as a resident cooking fuel or for power generation after treatment by the purification procedures of desulphurization and dehydration. On the other hand, the residue generated from anaerobic fermentation of straw can be separated into a biogas residue and biogas slurry that are then prepared into solid and liquid organic fertilizers, which are easy for crops to adsorb. Therefore, the comprehensive utilization rate of straw resources can be substantially enhanced.

The invention discloses an avermectin microcapsule suspending agent and a preparation method thereof. The avermectin microcapsule suspending agent mainly comprises the following components in percentage by weight: 1 to 10 percent of avermectin, 5 to 40 percent of solvent, 1 to 8 percent of capsule wall material, 0.1 to 3 percent of protection glue, 2 to 5 percent of emulsifier, 3 to 5 percent of dispersant, 0 to 14 percent of adjuvant, and the balance of water. The preparation method for the avermectin microcapsule suspending agent comprises the following steps of: preparing avermectin microcapsules from an avermectin active substance serving as capsule cores and a carbamide resin serving as the capsule wall material by using an interfacial polymerization technology, and finally blending to obtain a microcapsule water suspending agent. Active ingredients of the avermectin microcapsule suspending agent are centralized in the capsule cores, and other media are almost water, so the environmental pollution is reduced and the production cost of products is also effectively reduced. The avermectin microcapsule suspending agent has the release control capacity and can prolong effective duration of pesticides by 3 to 10 times, so that the acute toxicity of technical materials is reduced and the toxicity of a preparation on non-target organisms is also reduced. The avermectin microcapsule suspending agent is safe to use and transport.

The invention relates to a herbicide composition for preventing and removing farmland weed and an application, in particular to a herbicide used for preventing gramineous weed and broadleaf weed in cornfields, which is a ternary herbicide mixed agent taking nicosulfuron, artrex and sodium sulcotrione as active components. In the composition, the weight ratio of the nicosulfuron to the artrex to the sodium sulcotrione is 1-50:1-80:1-50, preferably 1-10:1-50:1-20. The invention has reasonable components, better preventing effect in comparison with the activity of each component when being applied independently and synergistic action, expands the preventing spectra of the weed, reduces the application frequency, lowers the preventing cost, delays the generation of the resistibility of the weed, has good safety to crops and conforms to the safety requirement of pesticide preparations. The invention has the fresh-weight average preventing effect of 86.19-96.37% to the gramineous weed and the broadleaf weed in the cornfields.

The invention provides a sterilization composition containing Tebuconazole and Validamycin, which is aided with solvent and emulsifier to form suspending agent or form wettable powder agent with assistant and carriers. The composite preparation of Tebuconazole and Validamycin can generate higher synergistic effect, expand the scope of disease prevention and control, delay the generation of drug resistance, remarkably improve the drug efficiency, reduce the load of farmers and guarantee the safe production and ecological environment of agriculture. The invention can be used in agricultural plant chemical protection field, and play an outstanding and effective role in protecting and treating germ harmfulness of fruit trees, vegetables, wheat, rice and the like.

The invention belongs to the field of agricultural herbicides, and particularly discloses a paddy field herbicide mixture. The paddy field herbicide mixture is characterized in that: the active components of the paddy field herbicide mixture include 0.5 to 90 percent of component A, 0 to 90 percent of component B and 0 to 90 percent of component C in part by weight, wherein the component A is clomazone, the component B is cyhalofop butyl ester or pfenoxaprop-ethyl, and the component C is one of bensulfuron-methyl, pyrazosulfuron-ethyl and carfentrazone-ethyl. The paddy field herbicide mixture has a remarkable synergistic effect and the effect of increasing the weed-killing speed, prolongs the persistent time, achieves a prevention and elimination effect on a variety of gramineous weeds and latifolious weeds in paddy fields, and is low in toxicity, the weed control spectrum is broadened, and the dosage is remarkably reduced.

The invention provides a pesticide nanocapsule, and a preparation method thereof. The pesticide nanocapsule is prepared from, by weight, 0.1 to 80 parts of a pesticide active component, 0.1 to 40 parts of a capsule wall material, 0.2 to 30 parts of an emulsification dispersant, 10 to 200 parts of an organic solvent, 20 to 350 parts of water, 0.1 to 200 parts of an excipient, and 0 to 20 parts of an assistant agent, wherein the ratio of the pesticide active component to the capsule wall material is controlled to be 0.1:1-10:1. The pesticide nanocapsule is small in particle size, excellent in particle dispersibility and slow release performance; the preparation method is simple; operation is convenient; and the repeatability is high.

The invention relates to a method for local fixed-point control on soil-borne disease of vegetables. According to the method, two measures, i.e., medicated seedling raising bags and medicated matrixes are combined, the medicated matrixes are loaded into the medicated seedling raising bags, seedling raising is carried out after watering, and young seedlings are transplanted to greenhouses or fields together with the medicated matrixes and the medicated seedling raising bags during fix-planting. On one hand, stem bases and root upper parts, which are susceptible to infection, of the young seedlings of the vegetables are protected by the medicated matrixes and the medicated seedling raising bags and are isolated from germ-carrying soil, so that a long-lasting protective effect on roots of the vegetables is achieved, and the effect of preventing and lowering the frequency of occurrence of disease for the roots of the vegetables is achieved; and on the other hand, the growth of the roots of the vegetables is free from the restriction of the seedling raising bags, and the roots of the vegetables can penetrate through the seedling raising bags and freely extend towards the fields, so as to achieve the aim of local fixed-point control on the soil-borne disease of the vegetables. The medicated seedling raising bags and the medicated matrixes are combined with the method for local fixed-point control on the soil-borne disease of the vegetables, and one-time operation is required only during sowing, so that the method is simple and convenient and is low in cost and remarkable in effect; and the consumption of pesticides can be reduced, the environmental safety is enhanced, the labor intensity for farmers is lowered, and the popularization is facilitated, so that the method is a first-choice effective prescription for the prevention and treatment of root disease during the production of pollution-free vegetables and the production of green vegetables.

The invention provides a method for preparing a controlled-release nano-pesticide preparation. The method comprises the following steps: emulsifying components of the nano-pesticide preparation to form an initial emulsion; and then performing high-pressure homogenization to form a fine emulsion to prepare a wall-material-coated nano-pesticide preparation. The method is simple, easy to operate and good in repeatability, and the prepared nano-pesticide preparation is small in grain size, favorable in grain dispersity and excellent in controlled-release performance.

The invention discloses a weedicide composition for preventing and removing weeds in cornfield, particularly a weedicide for preventing and removing grassy weeds and broadleaf weeds in cornfield, which is a binary weedicide mixture composed of topramezone and eluthiacet-methyl as active components. The weight ratio of topramezone to eluthiacet-methyl in the composition is (16:1)-(1:8), preferably(8:1)-(1:2). The weedicide composition can be prepared into water-dispersion granulas, wettable powder, suspending agents, dispersible oil suspending agents, missible oil and microemulsion. The weedicide composition is used for preventing and removing weeds in cornfield, contains reasonable components, is superior to the activities of each single component applied independently in the aspect of prevention effect, widens the weed control spectrum, lowers the cost for preventing and removing weeds, slow down the generation of weed resistance, is safe for crops and conforms to the safety requirements for pesticide preparations.

The invention relates to pesticide-fertilizer granules containing Monosultap and Thiamethoxam. The pesticide-fertilizer granules are prepared from the following ingredients in percentage by weight: 1.5-40% of Monosultap, 0.03-10% of Thiamethoxam, 0.2-1% of synergist, 20-35% of fertilizer, 6-10% of binder, 6-10% of dispersant and the balance of carrier. The pesticide-fertilizer granules are used for preventing and controlling pests such as sugarcane borers, sugarcane cottony aphids, sugarcane thrips, sugarcane beetles and the like, are low toxic to human and animals and are broad in insecticidal spectrum; the pesticide-fertilizer granules can be used for promoting the development of crop rhizomes and the growth of plants, strengthening the resistance of the crops and improving the yield and quality of the crops; and pesticides and the fertilizer are used in a mixed manner, and two operating steps, i.e., field desinsection and nutrient supply are combined into one step, so that not only is labor saved, but also the capacity of consumption of time and energy is reduced.

The invention relates to photo-responsive controlled-release nano-pesticide preparation and a preparation method and application thereof. A controlled-release effective constituent of the preparation is amphiphilic carboxymethyl chitosan derivative which is obtained through reaction between o-nitro benzyl hemisuccinate and carboxylmethyl chitosan. The preparation is prepared by the following steps: taking water solution of the carboxymethyl chitosan, adding organic solution of the o-nitro benzyl hemisuccinate activated by NHS and EDC.HCl according to the molar ration of sugar moiety of the carboxymethyl chitosan to the o-nitro benzyl hemisuccinate as 1 to (0.01 to 1), reacting for 6h in room temperature, then dialyzing and freeze drying to obtain photo-responsive carboxymethyl chitosan derivative, dispersing the derivative and pesticide into water at the same time and performing ultrasound at intervals to obtain photo-responsive controlled-release pesticide nanoparticle. The photo-responsive controlled-release nano-pesticide preparation can be selectively sprayed on the surfaces of or in target plants and pests under the condition free of illumination. Once the photo-responsive controlled-release nano-pesticide preparation is applied to the surfaces of or in the target plants and the pests, the photo-responsive controlled-release nano-pesticide preparation can respond external sunshine stimulation to release pesticide at any time.

The invention relates to a biological disease-preventing organic fertilizer and a preparation method thereof. The components in part by mass of raw materials of the fertilizer are: 65 to 85 parts of decomposed organic substances, 5 to 15 parts of trichoderma bacterial agents, 5 to 15 parts of actinomycetes fermentation broth, wherein the decomposed organic substances are obtained by taking 45 to 65 parts of furfural residue, 20 to 35 parts of cigarette residue and 8 to 20 parts of weathered coal as raw materials, adding 1 to 2 parts of microbial fermentation bacterial agents for stacking fermentation and airing the obtained product till the moisture content is between 25 and 35 percent. The biological disease-preventing organic fertilizer has the advantages of good disease-preventing effect, safety, environment-protecting property and low cost.

The invention relates to a cuppric nonyl phenolsulfonate-containing compound water-based pesticide and a preparation method as well as application thereof. The cuppric nonyl phenolsulfonate-containing compound water-based pesticide contains cuppric nonyl phenolsulfonate, other pesticide active ingredients, auxiliary agents and water, wherein the auxiliary agents comprise solvent, cosolvent, an emulsifier, a dispersant, a wetting agent, a stabilizer, a penetrant, an anti-freezing agent, an anti-foaming agent and the like. The cuppric nonyl phenolsulfonate-containing compound water-based pesticide has an obvious synergistic effect; the problems of difficulty in compounding and difficulty in mixing in actual use of the cuppric nonyl phenolsulfonate are solved; the prevention and treatment range is expanded; various acting mechanisms are effectively combined to realize high-efficiency, quick and lasting treatment and prevention; and the safety in use is improved. The water-based pesticide has the advantages of low toxicity, high efficiency and environmental friendliness.

The invention provides a preparation method of a pesticide nanocapsule. The method comprises the following steps: emulsifying a component of the pesticide nanocapsule to form primary emulsion, then homogenizing the primary emulsion at high temperature to form fine emulsion, thus preparing the pesticide nanocapsule. The preparation method of the pesticide nanocapsule, which is provided by the invention, is simple, easy to operate and high in repetitiveness; the prepared pesticide nanocapsule has a small particle size, is high in particle dispersity and high in slow release performance.

The invention discloses a chlorpyrifos microcapsule suspension. The chlorpyrifos microcapsule suspension mainly comprises the following components in percentage by weight: 10 to 45 percent of chlorpyrifos, 5 to 20 percent of solvent, 1 to 10 percent of capsule wall material, 0.1 to 3 percent of lacquer, 2 to 5 percent of emulsifier, 3 to 5 percent of dispersant, 0 to 14 percent of auxiliary agentand 10 to 80 percent of water. The invention also discloses a preparation method of the chlorpyrifos microcapsule suspension. The chlorpyrifos microcapsule suspension has the advantages of reducing acute toxicity of raw medicaments, reducing environmental pollution and stimulation to people and livestock, improving prevention and control effect on insect damages such as a citrus tree scale insectand the like, greatly prolonging duration of a pesticide and reducing pesticide application frequency and agricultural cost. Since microcapsule technology is adopted and water is used as a dispersingmedium in the chlorpyrifos microcapsule suspension, the chlorpyrifos microcapsule suspension is difficult to flame and explode, and can be safely and reliably used and transported.

The invention discloses bactericide and a composition thereof. The bactericide comprises a compound A single dosage or mixture of the compound A and other bactericide active ingredients in a weight ratio of 1:100-100:1. According to the bactericide, the compound A single dosage or the compound A and other bactericides are subjected to binary and trinary compounding, so that the single dosage or composition has an excellent prevention effect. Furthermore, the synergistic effect since the bacteriocidal spectrum is amplified; the compound A is applied to bactericide and compounded with other bactericide active ingredients to improve the disease and insect prevention and control effect and enable bacteria to hardly generate drug resistance, and can be used for preventing and controlling downymildew, late blight, blight, damping off, powdery mildew, rust disease, anthracnose and the like on vegetables such as cucumbers, Chinese cabbages, spinach, chili, tomatoes and the like, crops such aspotatoes, grapes, tangerines, bananas and the like, as well as soybean root rot, tobacco leaf black shank and the like.

The invention relates to a composite herbicide containing cyhalofop-butyl and pyrazosulfuron-ethyl, which is divided into three types of water dispersing granules, a suspending agent and a wettable powder. The composite herbicide comprises active components, composite additives and fillers. When the composite herbicide is respectively the water dispersing granules, the suspending agent and the wettable powder, the mass fractions of the three components are respectively and differently controlled and proportioned; and the active components are prepared from the cyhalofop-butyl and the pyrazosulfuron-ethyl with the proportion of 1:(0.1-0.6) or also being compounded with 1-3 of pendimethalin. The water dispersing granule type composite herbicide and the suspending agent type composite herbicide are respectively applied with the dosages of 5-15g / acre and 15-30g / acre and are both applied preemergence or post-emergence after seeding. The wettable powder is applied with the dosage of 10-15kg / acre and is applied from a green-turning tillering phase to a booting beginning stage of rices post-emergence. The composite herbicide has the advantages of favorable weeding effect, high safety, long effective drug duration, wide weeding range, low cost and the like.

The invention provides a paclobutrazol micro-capsule suspension preparation provided with sustained-release function, which includes the following components according to 100 parts by weight: 10 to 30 parts of film-forming materials, 5 to 40 parts of paclobutrazol, 5 to 10 parts of emulsifying agent and the rest parts of water. The potency of the suspension preparation is more moderate, the potency releases slower and lasts long, thus ensuring the adjustment of steady growth of plants and having the sustained-release function. The invention also provides a preparation method of the paclobutrazol micro-capsule suspension preparation.

Granula containing clothianidin comprises, by weight, 0.01%-10% of one of bifenthrin, cyfluthrin or tefluthrin, 0.01%-15% of clothianidin, 0.1%-40% of humic acid, 1%-15% of auxiliaries, 1%-10% of binder and the balance carriers. The granula containing the clothianidin is used for preventing and controlling soil insects, nematode and pests on the ground of crops such as sugarcanes, peanuts, corns and bananas, and is obvious in synergistic effect, good in prevention and control effect and long in a validity period. The granula can obviously improve a preventing and control effect of the crops on root knot nematode and pathogenic bacteria, simultaneously promotes development of crop root stocks and growth of plants, and improves yield and quality of the crops.

The invention discloses a pesticide synergic assistant and a preparation method thereof, belonging to the field of pesticide assistants. The pesticide synergic assistant is composed of plant oil or esterified plant oil, ethylene glycol diacetate, an emulsifier and a penetrant in a weight ratio of (60-100): (20-70): (20-50): (1-4). The pesticide synergic assistant enhances the wetting, spreading and infiltrating capacities of a pesticide medicine liquid remarkably, improves the deposit rate of liquid medicine fogdrops on the surfaces of plants, improves the control effect of the pesticide remarkably, reduces the application times, alleviates the environmental burden, and remarkably improves the economical benefit and social benefit.

The invention provides a nano pesticide preparation and a production method of same. The nano pesticide preparation is prepared from, by weight, 0.1-40 parts of a pesticide active component, 0.1-40 parts of a capsule wall material, 0.2-30 parts of an emulsion dispersant, 10-300 parts of an organic solvent, 20-500 parts of water, 0.1-400 parts of an excipient, and 0-20 parts of an additive, wherein the ratio of the pesticide active component to the capsule wall material is 0.1:1-10:1. The nano pesticide preparation has small particle size, good particle dispersibility, excellent sustained release performance and simple production method, is easy to use and has good repeatability.