66results about How to "Solve the problem of pesticide residues" patented technology

A soilless culture method with rice husk as matrix for rice seedlings includes such steps as breaking rice husk, immersing in water, stirring, spreading, applying water, covering by film, holding water content, and applying fertilizer. Its advantages are high yield and high quality of rice.

The invention provides a paddy rice producing production technology for removing pesticide residue, and relates to the technical field of the processing and the producing of food, wherein the production technology comprises the following steps of: cleaning paddy, separating hull grains from hulled materials, removing the pesticide residue by means of coarseness humidifying, milling rice, removing the pesticide residue in a polishing way, and removing the pesticide residue by ultrasonic wave. The paddy rice producing production technology for removing the pesticide residue provided by the invention combines with the production of paddy rice producing, mainly aims at solving the problem that the paddy contains the pesticide residue, is scientific in technological process design, reasonable in technical method, and low in production cost, effectively and reliably removes the pesticide residue, can subsidiarily kill the toadstool in the paddy, can produce the paddy clearly, guarantees the quality safety of paddy-processed products, is free from secondary pollution of rice products in the process of processing and producing, can not change the original quality, nutrition and special flavor of the paddy, is particularly suitable for preparing the products which are higher in nutrition value and economic value such as germ-remaining rice, the clean rice and the like besides the common rice, and is further good for reducing the pesticide residue of byproducts prepared by comprehensive utilization.

The invention discloses a rapid tissue culture method for lycium ruthenicum murr, belonging to the technical field of plant tissue culture. The rapid tissue culture method comprises the following steps: explants sterilization, induction culture, rooting culture, subculture, acclimatization and transplantation. According to the rapid tissue culture method, the rooting culture can be carried out during the subculture, so that the tissue culture is high, the operation is simple and convenient, the period is short, and complete plants can be rapidly acquired; the tissue culture process is not influenced by environmental factors.

The invention discloses a planting method for combine circular agriculture, which comprises the following steps of planting evergreen first high-bar trees and/or undershrub around cultivated fields of cash crop to form a sand storm protection zone for the cash crop; planting second high-bar trees at the periphery of the wind storm protection zone to form a hedgerow zone of the cash crop; and planting first insect pest prevention plants between the wind storm protection zone and the hedgerow zone to form a first insect pest prevention zone. The method provides appropriate growth environment for the cash crop by planting various trees and undershrub plants to respectively form the wind storm protection zone, the first insect pest prevention zone and the hedgerow zone, thereby preventing the cash crop from being damaged by sand and insect pests, reducing using amount of pesticide and improving quality of agricultural products.

The invention relates to an antagonistic bacterium for preventing the fungal diseases of broccoli as well as a preparation method and the application of a microbial preparation of the antagonistic bacterium, and belongs to the field of biological prevention and treatment of crop diseases. The invention provides a strain of brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622, a production method of a microbial preparation containing the brevibacillus brevis, and also the application of the brevibacillus brevis BBC-3 or the microbial preparation in preventing and treating the fungal diseases of the broccoli. The brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622 is obtained by virtue of preliminary screening and secondary screening, wherein a plate opposing test is performed for the preliminary screening and a liquid fermentation liquid is adopted for the secondary screening; the brevibacillus brevis BBC-3 is capable of effectively preventing and treating a plurality of fungal diseases of the broccoli, such as gray mold, downy mildew, stalk break, black rot and black spot, and has the prevention and treatment efficiency of above 70%; in addition, the brevibacillus brevis BBC-3 is good in environmental safety and has excellent development application prospect.

The invention discloses a cultivation method of hotbed chives. The method includes the following steps of: 1, soil conditioner preparation; 2, special pesticide preparation; 3, seed selection and seed treatment; 4, seedling cultivation; 5, large field planting management; 6, protected cultivation; and 7, and harvest. With the cultivation method of hotbed chives of the method adopted, the planting procedures of the hotbed chives can be standardized, and the yield and quality of the output of the hotbed chives can be improved, and problems of disease prevention and control and pesticide residue in the planting process of the hotbed chives can be solved. The cultivation method of hotbed chives is suitable for being popularized in and applied to large-scale vegetable plantations.

The invention discloses a method for pest and disease damage integrated control of pomelos. Pest and disease damage is controlled according to occurrence periods of the pest and disease damage all year round, and control periods comprise an overwintering to spring control period, a summer pest outburst control period, an autumn shoot growth pest control period and a fruiting control period. According to the method, pesticides are utilized scientifically, and the problem that the pomelos have much pesticide residue and are low in yield and poor in quality is solved; the pomelos are sleeved with bags to be protected, the pest and disease damage is effectively controlled, and the yield and quality of the pomelos are improved; the pest and disease damage occurrence periods are mastered, the effect of natural control factors are brought into full play, necessary control measurements can be coordinated and applied according to circumferences, and excellent efficient high-yield pomelos can be produced well.

The invention relates to a Chinese herb control agent for crop powdery mildew and a preparation method thereof, and belongs to the technical field of ecological pesticide. The Chinese herb control agent for crop powdery mildew comprises Baijiu, sheath of sugarcane, sweet wormwood, tea seed cake, lycoris radiata herb, cannabis sativa leaves, Japanese banana, garlic, mint leaves, cassiabarktree branchlets, longhairy antenoron herb, heartleaf houttuynia, spanishneedles, litsea cubeba, radix bupleuri, purple perilla, common lophatherum herb and pelargonium graveolens. The finished product is obtained by the steps of weighing, mixed grinding, first cooking, second cooking, quality inspection and packaging and the like. The control agent takes Chinese herbs as main raw materials, has the efficacy of bacteriostasis and sterilization and is good in dispersibility, even in dissolution and fast in absorption, crops suffering from powdery mildew recover in three days after being applied with the control agent and are high recovery rate in one week after agent application, pests and diseases can be prevented effectively, the problem of pesticide residue of agricultural products is solved, and yield increase of crops can be realized.

The invention discloses a green tea processing technology in the technical field of tea processing. The technology comprises the steps as follows: step 1, picking: step 2, treatment of pesticides: a cleaning barrel comprises a barrel body and a barrel lid, the barrel lid is rotationally connected with a stirring shaft, the stirring shaft is connected with a motor for driving the stirring shaft torotate, the stirring shaft is hollow inside and communicates with multiple stirring blades, multiple air outlet channels are formed in the stirring blades and communicates with the stirring shaft, titanium dioxide layers are smeared on the stirring blades, ultraviolet lamps are arranged on the inner wall of the barrel lid, tea leaves picked in the step 1 are placed in the barrel body, clear wateris added to cover the tea leaves, the motor drives the stirring shaft to rotate, the ultraviolet lamps are turned on, ozone is introduced into the stirring shaft, and the tea leaves are cleaned in thecleaning barrel for 20-30 min, then, fished out and cleaned with clear water; step 3, withering; step 4, fixation; step 5, rolling; and step 6, drying. The organophosphorus pesticide residues can bereduced with the technology.

An integrated process for preparing the products from yam and treating its sewage includes such steps as physical separation to obtain cellulose and starch paste, liquefying and saccharifying the starch paste to obtain sugar dreg, fermenting and acidolyzing to obtain saponin, transferring sugar liquid to obtain glocose, using the hydrolyzed sewage to prepare Bacillus thuringienis insecticide, and treating sewage.

The invention discloses a drought enduring planting method of potato in high altitude areas, comprising the steps of (1) selecting and treating a planting land, to be specific, subsoiling the land, scattering biochar, rice bran, sulfur and sodium chlorate solution into the land, ditching for moisture organization, and scattering farm manure mixture, brown sugar water and soil to the moisture surface; (2) covering with film, to be specific, covering the moisture surface with black film; (3) treating seed tubers, to be specific, soaking the seed tubers in a tuber soaking solution, and soaking the seed tubers for planting; (4) planting, to be specific, planting the seed tubers in mid-late March; (4) providing field management, to be specific, topdressing with a seedling improving fertilizer once when potato seedlings are neat, topdressing with a growth fertilizer twice to three times in the vigorous growth stage; (5) removing the film; and (6) carrying out harvesting. Suited land planting, reasonable dense planting and scientific fertilization and management are carried out on potato according to the climate of high altitude areas; therefore, the yield per mu can be increased by 20-30%, rotation time of potato planting land is extended, popularization of potato for planting in high altitude areas can be accelerated, and land utilization rate is increased.

The invention discloses a planting method for golden sprout. The planting method specifically comprises the following steps: (1) land selection; (2) tillage; (3) transplantation; (4) sunburn prevention; (5) water and fertilizer management; (6) prevention and treatment of insect pests: a, treating insects by using insects; b, treating the insects by using living organism metabolites such as insect hormone; and c, killing the insects by using insect-attracting boards; and (7) biological weed prevention: a, row coverage; and b, treating weeds by using weeds. According to the planting method disclosed by the invention, by careful management and on the basis of technologies such as biological insect prevention and biological weeding, golden sprout tea leaves which are high in yield, good in quality and good in condition and do not have pesticide residues are produced, so that market needs are met, and production and income are increased for farmers.

The invention provides a hydrolase gene of pyrethroid pesticide, which belongs to the field of application environment microbiology. The invention provides the hydrolase gene of the pyrethroid pesticide and pyrethoid hydrolase protein derived by the hydrolase gene. The whole length of the gene is 843bp, the content of G and C is 66.55 percent and 280 amino acids are coded. An engineering strain constructed by the gene can express pyethroid hydrolase with high efficiency, and the produced enzyme preparation can be used for removing pyrethroid residual of soil, vegetables, tea leaves, fruits, Chinese herbal medicines, tobacco and the like, and degrading pyrethroid pesticide residual in deep processing of agricultural products, thereby improving product quality and increasing added value. The hydrolase gene can be further used for constructing transgene crops to completely solve the problem of pesticide residual in plant, and producing nuisanceless green agricultural products; meanwhile, the hydrolase gene can be used for restoring water body and other environments polluted by the pyrethroid.

The invention discloses a method for processing konjak seeds. The method comprises the following steps: S1, konjak seed selection, including selecting undamaged konjak seeds and grading and piling the undamaged konjak seeds according to the weight; S2, dormancy treatment, including storing the graded konjak seeds in a refrigeration environment for dormancy treatment; S3, medication, including treating the konjak seeds subjected to dormancy treatment in the step 2 first with a weak acid substance and then with a weak base substance; and S4, pregermination, in which in 15-25 days before the konjak seeds are planted, the temperature and humidity of the storage environment is gradually increased, and the konjak seeds subjected to medication in the step 3 undergo pregermination. Compared with unprocessed konjak seeds, the processed konjak seeds have the yield per single plant and per mu increased by 17-20% in the same condition, and are reduced in plant diseases and insect pests and in pesticide usage and management. The crop rotation time of the land where konjak is planted is prolonged, and therefore the method has great significance.

The invention discloses a preparation method for microencapsulated biopesticide, and belongs to the technical field of pesticide preparation. The preparation method comprises the following steps: first, freezing and inactivating yellow mealworms into powder; performing ultrasonic extraction, and respectively collecting a filtrate and a filter residue; distilling the filtrate under reduced pressure to obtain pheromone-containing yellow mealworm extracting oil; sterilizing the filter residue, performing inoculation with bacillus thuringiensis for fermentation, and then, purifying and separating primarily treated fermenting solution which is obtained by filtering through an isoelectric precipitation method to obtain parasporal crystals; taking the parasporal crystals and the yellow mealworm extracting oil as a core material, and taking chitosan and soybean protein isolate as wall materials, performing shearing and emulsifying treatment, and performing spray-drying to obtain the microencapsulated biopesticide. Through a synergistic effect of the parasporal crystals with a broad-spectrum preventing and controlling effect and the yellow mealworm oil containing insect pheromones, the microencapsulated biopesticide prepared with the preparation method is coated with chitosan having the broad-spectrum antibacterial property, so that the pesticidal effect action time can be effectively prolonged; the storage stability is high; the microencapsulated biopesticide is convenient to transport and store for a long time; diseases and insect pests of plants can be effectively prevented and controlled.

The invention discloses a plant essential oil microemulsion preparation capable of preventing and controlling a neochoengastia gallinarm disease. The plant essential oil microemulsion preparation comprises the following components in parts by weight of 2-20 parts of thymol, 1-5 parts of eugenol, 1-5 parts of methyl eugenol, 2-10 parts of carvacrol, 1-20 parts of cinnamaldehyde, 0.1-1.0 part of sanguinarine, 0.1-1.0 part of chelerythrine, 5-20 parts of an emulsifying agent, 0.01-0.3 part of an antioxidant, 1-10 parts of a solvent and 0.05-0.5 part of a preservative. According to the plant essential oil microemulsion preparation disclosed by the invention, according to the characteristics of various plant essential oil, the optimal compounding ratio in accordance with the chicken neochoengastia gallinarm disease is screened out, and the microemulsion preparation is prepared. The microemulsion preparation is compounded from various plant essential oil, has good antibacterial effects, andis safe, green, high-efficiency, free from toxic and side effects, free from drug resistance, free from residues and free from incompatibility of drugs in prescription.

The invention discloses a cultivating method of green high-zinc rice. The method includes the following steps that a rice variety which has the plant height being larger than or equal to 150 cm in themature period and the plant height reaching up to 60 cm or above before jointing, is resistant to lodging, and has rice stem joints capable of forming water roots is selected, sowing and rice seedling raising are carried out, and rice seedlings are obtained; the rice seedlings are transplanted into a field, with the condition that plant newly-growing interior leaves are not submerged as the standard, whole-process deep water irrigation cultivation is carried out, no pesticide is applied in the cultivating process till the mature period, and the green high-zinc rice is harvested. The rice variety suitable for deep water planting is adopted, cultivation is carried out in a whole-process deep water irrigation mode, by means of the method, under the condition that the pesticide is not applied, rice plant diseases and pests, especially diseases caused by rice blast and lepidoptera pests are effectively controlled, the problem of pesticide residues is avoided, the content of zinc in rice grains is remarkably increased while the yield can be guaranteed, and then the green high-zinc nutritional rice is obtained.

The invention discloses a green cultivation method for organic hotbed chives. The method comprises the following steps: 1) selecting seeds and raising seedlings; 2) preparing soil and performing fertilization: applying a special organic fertilizer prepared by performing fermentation by using waste asparagus stems as a raw material; 3) performing transplanting and performing field planting; 4), performing water and fertilizer management, wherein top dressing is performed by selecting a slow-release water-soluble fertilizer suitable for growth of the hotbed chives; 5), building a shed frame forcultivation, enabling a black film to cover around the shed frame, and enabling a double-layer black nylon cloth with a microporous structure to cover the upper surface of an arched frame of a shed roof, so as to achieve the purpose of avoiding light and preserving heat; and 6), performing harvesting. The cultivation method provided by the invention is suitable for cultivating and planting the hotbed chives in a low-temperature environment, has simple operation, is ecological and environmentally friendly, adopts a ventilating and lightproof shed-building technology, ensures a non-lighting growth environment of the hotbed chives, increases permeability of the environment, improves the yield and quality of the hotbed chives, enhances disease resistance of the hotbed chives, solves the problems of disease prevention and control and pesticide residues in the planting process of the hotbed chives, and is suitable for a large-scale vegetable plantation for promotion and application.

The invention provides a bradtsua idiruogaga trapping and killing agent, a preparation method and an application thereof. The trapping and killing agent includes a trapping agent and a killing agent. The bradtsua idiruogaga trapping and killing agent is simple in preparation method, employs easy-to-obtain raw materials, has stable performance and is convenient to use. Compared with chemical prevention and treatment on the bradtsua idiruogaga in the prior art, the trapping and killing agent, through addition of trace amount of the trapping agent, can effectively control damage from the bradtsua idiruogaga and reduces use time and amount of pesticide, thereby effectively solving the problems of resistance, pesticide residue and environment pollution due to chemical prevention and treatment. The trapping and killing agent can trap and kill adult worms of the bradtsua idiruogaga high-effectively, has a long lasting time, can directly kill the adult worms or deprive normal oviposition capability of the adult worms, thereby greatly reduces the population number of the bradtsua idiruogaga. The trapping and killing agent provides reliable substance guarantee for green prevention and control on leek.

The invention discloses an induced strain (IJUV-6) of isaria javanica and dinotefuran compounded pesticide and applications thereof. The invention at first provides an induced strain (IJUV-6) of isaria javanica and dinotefuran compounded pesticide and applications thereof. The compounded pesticide comprises an induced strain (IJUV-6) of isaria javanica and dinotefuran. The induced strain (IJUV-6)of isaria javanica is well compatible with dinotefuran. Dinotefuran does not influence the germination and growth of mycelia of the induced strain (IJUV-6). Low dosage dinotefuran and the induced strain (IJUV-6) are compounded to generate a synergistic effect, the control effect on rice plant-hoppers and rice leaf-hoppers is prominently enhanced, the using amount of dinotefuran is reduced, and thedrug resistance of rice plant-hoppers and rice leaf-hoppers is weakened. Moreover, the compounded pesticide has a stable control effect on rice plant-hoppers and rice leaf-hoppers under the conditions of strong UV rays and high temperature. The pesticide is pollution-free and no residue is generated. The pesticide has a wide application prospect in the control of rice plant-hoppers and rice leaf-hoppers.

The invention discloses a compound microbial bactericide for controlling mulberry sclerotiose and an application of the bactericide. The bactericide is prepared from a mixture of trichoderma harzianumand difenoconazole in the mass ratio being 100:(2-15). Further, the bactericide is prepared from 8%-75% of a main agent and 25%-92% of an auxiliary agent in percentage by mass; the main agent is themixture of trichoderma harzianum and difenoconazole and the auxiliary agent is a stabilizer, an auxiliary and filler. The compound microbial bactericide for controlling the mulberry sclerotiose has the significant synergistic effect, the incidence of the mulberry sclerotiose can be decreased to 4.6% after use, the control effect is as high as 91%, and the control effect is significantly superior to that of simple preparation; the dosage of chemical agents is reduced and the problem of pesticide residues in mulberries is solved. The compound bactericide has good fast-acting and lasting properties, can be absorbed after being applied 2 h and can significantly increase the yield of mulberries.