98 results about "Pentachloronitrobenzene" patented technology

The invention relates to the field of fluorescence probes, particularly to an Eu (III)-metal-organic framework and preparation and application methods thereof. The Eu (III)-metal organic framework isapplied to detection of quintozene. The Eu (III)-metal-organic framework has a chemical formula of {[(CH3)2NH2][Eu(cppc)2*2H2O]}n. The Eu (III)-metal-organic framework saves post-synthesis purification and can be directly applied to fluorescence detection of quintozene, thereby having the advantages of simple design, low cost and the like and being applicable to online sensitive and rapid analysis. The Eu (III)-metal-organic framework achieves a quintozene detecting limit of 1.67*10<-6> M and meanwhile is short in response time, and meanwhile, can be thoroughly separated through simple filtering, thereby being high in reutilization rate. Besides, the Eu (III)-metal-organic framework achieves universality in the field of fluorescence sensing and facilitates practical application.

The invention discloses a spraying agent for winter protection of plant trees. According to the formula, the spraying agent comprises the following components in percentage by weight: 20% of calcium carbonate, 5% of titanium dioxide, 2% of ethylene glycol, 13% of a cationic styrene-acrylic emulsion, 57% of water, 2% of calcium polysulfide and 1% of sheep grease. 1% of ethylicin or 1% of quintozene is used to replace calcium polysulfide to achieve the same effect. The using method comprises the following step: at the time of the year when autumn changes into winter, uniformly spraying the spraying agent by a pesticide spraying device or manually on the surface of limbs of the plant trees. The method disclosed by the invention has the beneficial effects of effectively preventing various fruit trees and plant trees of greening tree species such as blueberries and sweet cherries from sprouting in winter, greatly alleviating freeze injury of the plant trees, preventing and treating diseases of limbs of the plant trees, accelerating old wounds of the limbs to heal, and protecting the plant trees for three years by spraying once. Compared with conventional whitewash agents, the spraying agent has remarkable advantages.

The invention discloses a fertilizer and pesticide composition for strawberries. The composition comprises an organic fertilizer, a pesticide and a filler; the organic fertilizer comprises bean cakes, rice husks, mushroom residues, traditional Chinese medicinal residues, rice bran, chicken manure, plant ash, borax and Bacillus subtilis; the pesticide comprises lime nitrogen, sulfur, pentachloronitrobenzene and phoxim; and the filler comprises peat, vermiculite and perlite. The fertilizer and pesticide composition effectively control the successive cropping obstacle of soil borne diseases, improves the soil structure, has stable and lasting fertilizer effects, and allows planted plants to be strong and have enhanced stress resistance; and organic matters contained in the composition are wastes, have wide sources, and are combined to reduce pollution of agriculture wastes to environment.

The invention discloses a method for synthetizing 3,5-dichloroaniline by using industrial production residues, namely meta-position oil, of p-nitrchlorobenzene and ortho-nitrochlorobenzene by two steps of chlorination and reductive dechlorination. The method adopts the following technical scheme: adding an organic solvent to nitrochlorobenzene meta-position oil as a raw material, directly producing a quintozene mixture by one-step chlorination under the effect of a catalyst, reacting for 0.5-10 hours under the condition of 10-180 DEG C, and then cooling to 30 DEG C; filtering out quintozene, and putting into an autoclave after washing into a neutral state by hot water; carrying out dechlorination reduction reaction under the effects of an organic solvent and the catalyst, wherein the reaction temperature is 60-200 DEG C, the reaction pressure is 1-20 MPa, and the reaction time is 1-20 hours; cooling to room temperature after the reaction is ended; leading in oxygen or air to stir after blowing off; filtering and distilling under reduced pressure to remove the solvent, so as to obtain the product 3,5-dichloroaniline, wherein the yield is 80-90%. Waste materials are changed into precious materials by a synthetic route adopted by the technology disclosed by the invention; the target of zero emission is achieved; the method has the advantages of sustainable development, energy conservation and consumption reduction, and small environmental pollution.

The invention relates to the technical field of environmental protection, and particularly relates to a method for removing pesticide residue and heavy metal residue out of lentinan by using a resin adsorption method. The method is characterized in that a process route is as follows: mushroom selection, cleaning, extraction, passing through a resin column, filtration, concentration, alcohol precipitation, recovery of ethanol, spray drying of precipitate, mixing and sub-packaging; the technical data of final products are as follows: moisture is less than or equal to 5.0%, polysaccharide content is more than or equal to 50.0%, lead is less than or equal to 0.1ppm, cadmium is less than or equal to 0.1ppm, and mercury is less than or equal to 0.1ppm; pesticide residues: hexachloro-cyclohexane soprocide is less than or equal to 0.01ppm, quintozene is less than or equal to 0.01ppm, Dichlorodiphenyl Trichloroethane is less than or equal to 0.01ppm, ash content is less than or equal to 4.0%, and mesh number is more than or equal to 100; microbiological indicators: total bacterial count is less than or equal to 1000 / g, saccharomycetes are less than or equal to 50 / g, mildew is less than or equal to 50 / g, and pathogenic bacteria cannot be detected. The resin column uses HPD500 type adsorption resin. The spray drying temperatures are as follows: the inlet temperature is 205 DEG C, and the outlet temperature is 80 DEG C. By adopting the adsorption resin for removing harmful ingredients out of mushroom, the polysaccharide content is increased, the color, aroma and taste of the mushroom cannot be destroyed, and the product quality of polysaccharides is improved.

The invention discloses a preparation method of a disease-resistant vegetable seedling-raising substrate. The method comprises the steps of: (1) taking an organic raw material, animal manure, sludge, biological bacterial fertilizer powder and other ingredients as the fermentation raw materials for standby use; (2) diluting a fermentation agent; (3) stirring the fermentation materials and the fermentation agent diluent for 10-20min to obtain an organic matrix; (4) mixing the organic matrix, sand and slag evenly, and performing drying and crushing to obtain a seedling-raising substrate semi-finished product; (5) mixing a proper amount of urea, monoammonium phosphate, the seedling-raising substrate semi-finished product, a stem strengthening agent, quintozene powder, a zineb agent, quick lime, fenaminosulf, DDVP and other components, thus obtaining the product. The method provided by the invention takes various industrial and agricultural waste and municipal refuse as the raw materials, and fully realizes utilization of waste materials. The prepared seedling-raising substrate not only is safe and environment-friendly, but also has the effects of: a. fixation and support; b. water and fertilizer retention; c. ventilation; d. buffering; e. nutrient supply; and f. pest control.

The invention relates to a steel pipe drawing emulsified oil with ultrahigh lubricating property and a preparation method thereof. The method comprises the following steps: palm oil and machine oil N68 are first poured into a reaction kettle at the rotational speed of 50 to 120 rotations per minutes, heated and agitated; when temperature reaches 60 DEG C to 80 DEG C, oil-soluble nano Fe3O4 (2nm to50nm), nitrogen-containing borate, zinc dialkylphosphorodithiloate, butyl stearate, C8-C10 mixed alcohol, sodium dodecyl benzene sulfonate and dimercaptothiodiazole are then sequentially added into the reaction kettle, and agitation is continued for 60 to 100 minutes while temperature is kept; afterwards, when temperature is decreased to 70 DEG C, sorbitan monooleate Span 80, nonyl phenol polyoxyethylene ether, triethanolamine, methylsilicone oil and quintozene are added, the rotational speed of an agitator is adjusted to 30 rotations per minutes and agitation is kept for 30 to 60 minutes, heating is then stopped, agitation is continued until room temperature is reached, and thereby the welded pipe drawing emulsified oil which is yellowish-brown, transparent and uniform is obtained. The product disclosed by the invention is easy to degrade, the anticorrosive period is longer, the annealing detergency is better, and moreover, environment pollution can be reduced.

The invention discloses a fermented fertilizer added with chitin and a preparation method of the fermented fertilizer. The fertilizer is characterized by being prepared from the following raw materials in parts by weight: 300-500 parts of sheep manure, 200-250 parts of straw powder, 60-80 parts of urea, 55-65 parts of a phosphatic fertilizer, 55-65 parts of potassium chloride, 10-25 parts of chitin, 10-15 parts of diluted phosphoric acid, 5-7 parts of quintozene, 35-45 parts of potassium sulfate, 30-35 parts of diammonium phosphate, 20-25 parts of magnesium sulfate and 7-9 parts of a soil activator. A soil improver contains a jade component which contains a lot of trace elements beneficial to a human body. Meanwhile, toxic heavy metal elements can be effectively adsorbed and solidified, the amount of heavy metal elements adsorbed by crops is reduced, and the crop yield can be improved. The chitin fertilizer, taking both consideration to insecticides and bactericides, is mixed with an organic fertilizer in use so as to fully exert the characteristics of biodegradability and compatibility, thereby playing a synergic role to pesticides and chemical fertilizers.

The invention discloses a plant disease classifying control method. The plant disease classifying control method is characterized by comprising the artificial control method, the physical control method and the chemical control method for a bacteroid virus disease, a clubroot disease, a fungus root rot disease, a fungus pucciniastrum castaneae disease and a fungus downy mildew blight rot disease. The bacteroid virus disease is controlled with sodium trichloroisocyanuric acid, copper sulfate, ribavirin, zinc sulfate and moroxydine hydrochloride; the clubroot disease is controlled with sodium trichloroisocyanuric acid, copper sulfate, povidone iodine and polyhexamethylene guanidine; the fungus root rot disease is controlled with fluazinam, tolclofos-methyl and quintozene; the fungus pucciniastrum castaneae disease is controlled with chlorine dioxide, copper sulfate, tebuconazole and thiram; the fungus downy mildew blight rot disease is controlled with chlorine dioxide, copper sulfate, dimethomorph and cymoxanil.

The invention relates to a Cupriavidus sp. YNS-85 and its application in soil restoration. The above strain is preserved in a preservation unit assigned by State Intellectual Property on April 24, 2015 with the preservation number of CGMCC No.10740, and the preservation unit is China General Microbiological Culture Collection Center. The strain can degrade pentachloronitrobenzene, and allows the pentachloronitrobenzene degradation rate after culture is carried out in a solution system for 7d to be 79.4% and the pentachloronitrobenzene degradation rate after culture is carried out in soil for 30d to be 56.9%.

The invention provides an ELISA kit applicable to residue analysis of terrachlor, comprising an ELISA plate coated by terrachlor coating antigens, concentrated cleaning solution, a terrachlor standard, terrachlor polyclonal antibodies, ELIAS secondary antibodies, developing solution and stop solution. The terrachlor with known concentration is detected, and a standard curve is drawn, thus the concentration of the terrachlor to be detected can be calculated. The ELISA kit has the advantages of accurately and sensitively detecting terrachlor residues in environment, being capable of detecting a large amount of samples with simple preprocess procedures and least time consumption, having much lower sample-detecting cost than traditional detecting methods.

The invention discloses a rapid pinus bungeana seed processing, selecting, seeding and seedling method and belongs to the technical field of seedling cultivation. The method includes the steps of 1), performing seed storage at normal low temperature; 2), for soil preparation, broadcasting 4kg-quintozene per mu on early of middle of March, and applying organic fertilizer and superphosphate as base fertilizer after deep tillage; 3), for selection of seeds, disinfection and dormancy breaking, disinfecting and then soaking the seeds for 24 hours, and fishing out the floating seeds for sprouting; 4), for sprouting, mixing normal temperature water with sandy soil to serve as matrix, keeping the humidity to be from 50% to 60%, and after the seeds to be sprouted are mixed with the matrix according to the proportion of 1:3, and keeping the temperature to be from 18 to 23 DEG C for 18 to 23 days for sprouting; 5), for planting, performing dibble seeding on late March, covering with nutrient soil and spraying water every day; 6), seedling management; 7), disease prevention in middle and late periods. With the method, the emergence rate of the seeds can be increased, seedling ground, construction quantity and management cost are saved, and morbidity, death rate and composite cost are greatly lowered.

The invention discloses a cotton suspension seed coating agent, which consists of the following ingredients in percentage by weight: 8 to 16 percent of pentachloronitrobenzene, 8 to 16 percent of thiram, 4 to 8 percent of carbofuran, 1 to 2 percent of colloid dispersing agents, 0.8 to 1.2 percent of film forming agents, 1.2 to 1.8 percent of penetrating agents, 1.5 to 2 percent of emulsification moistening suspending agents and the balance water. The seed coating agent of the invention effectively improves the prevention and treatment rate on insect pests and plant diseases in the cotton seedling stage, has no side effect on the cotton seedling, and improves the seed germination percentage.

The invention discloses a planting method of lavandula pinnata, and belongs to the technical field of agriculture. The planting method of lavandula pinnata comprises the following steps: (1) deeply excavating earth in which lavandula pinnata is to be planted until reaching the depth of 10 to 15cm, uniformly mixing the excavated earth with leaf mould and river sand, and then completely backfilling, wherein the volume ratio of earth to leaf mould to river sand is 5: 3: 1; (2) applying 3.5 to 4.5Kg of quintozene in earth in which lavandula pinnata is to be planted per mu after backfilling, uniformly mixing 5cm earth at the surface layer, and raking to prevent damping off and drooping; (3) sowing lavandula pinnata seeds in the raked earth, and then spreading a layer of turfy soil after sowing. The planting method is simple, easy to be operated, obviously improves the water-retaining performance, nutrient-preserving capability and permeability of earth, and reaches the purpose of raising germination rate up to 98%.

The invention discloses a summer high-yield planting method for achyranthes bidentata and belongs to the field of traditional Chinese medicine planting. The method comprises the steps of seed treatment, sowing, field management and pest control. According to the seed treatment step, winnowing is carried out on seeds first before sowing, and full seeds are selected and exposed to the sun for two days. One day before sowing, quintozene or captan or carbendazim is adopted, the amount of the chemical is 0.2 percent to 0.3 percent of the dry weight of the seeds, the seeds are socked in solution of the chemical and water at 30 DEG C for 15 minutes to 30 minutes, water is added slowly, the water temperature is maintained at 22 DEG C to carry out seed soaking for 14 hours to 18 hours, and the seeds are bailed out and aired. The summer high-yield planting method for the achyranthes bidentata has the advantages that the yield is high, the quality is good, the root system is thick and strong, and higher economic benefits can be gained.

The invention discloses a ligustrun lucidum seedling planting method. The method includes steps: land selection and treatment, seed treatment, young seedling propagation and large seedling cultivation and is characterized in that quintozene or formalin and the like are adopted for soil disinfection; young seedling propagation refers to seed sowing in lines in winter, the seed consumption is 20kg per hectare, soil covering is performed in a soil depth of 1.5-2cm after sowing, and grass covering is carried out; transplanting is performed when the height of young seedlings reaches 40-55cm, and thinning is carried out. Compared with the prior art, the ligustrun lucidum seedling planting method has the advantage that by land treatment before sowing, the probability of insect attack in a seed germination process is effectively decreased.

The invention discloses a method for using a drug for preventing and treating sclerotium rolfsii. The method comprises the following steps: (A) preparing original liquid, wherein the original liquid contains the ingredients of 1% copper sulfate solution, 25% carboxin wettable powder, 70% pentachloronitrobenzene wettable powder, hypericin, matrine, artemisinin, double coptis chinensis and rhubarb; (B) at the early stage of the onset, spraying the rhizome of a disease part by using an original liquid solution of a volume which is 400 times that of the original liquid every 7-10 days, and spraying once or twice; (C) at the middle stage of the onset, spraying the rhizome of the disease part by using an original liquid solution of a volume which is 600 times that of the original liquid every 4-8 days, and spraying twice or three times; (D) adding water to dilute the original liquid until liquid of a 500-times volume is obtained and carrying out rhizome irrigating operation while carrying out the step (C). The method disclosed by the invention is simple, the used product is simple in proportion and convenient in use, and the treatment effect on watermelon sclerotium rolfsii is good; shown by testing, the solution of a volume which is 400-600 times that of the mixture has an obvious inactivation effect on deuteromycetes sclerotium rolfsii and athelia rolfsii and has a good bactericidal effect.

The invention discloses an edgeworthia chrysantha lindl hard wood cutting seedling method which comprises steps as follows: (1), flower buds are removed from a scion mother tree; (2), cuttings are prepared and stored; (3), yellow soil and peat are mixed and prepared into a cutting medium according to the volume ratio of 2:1, and the cutting medium is sterilized by quintozene with the mass concentration of 70%; (4), a GGR (greenplant growth regulator) 6 and ammonium molybdate are mixed and prepared into a rooting agent proportionally; (5), cutting treatment and cutting are performed; and (6), management and transplantation after cutting are performed. According to the edgeworthia chrysantha lindl hard wood cutting seedling method, the survival rate of cuttings is higher than 95%; and the method is simple and convenient to operate, has the advantages of low cost, simple technical requirement, easiness in popularization and application and the like, and has important application and popularization values on edgeworthia chrysantha lindl seedling propagation production.

The invention discloses a medium for separating Phytophthora capsici. The medium is obtained by adding a sterilizing agent 1), 2), 3) or 4 ) as follows to a PDA medium: 1) a sterilizing agent composed of Difenoconazole, carbendazim, quintozene, rifampicin and penicillin; 2) a sterilizing agent composed of Difenoconazole, carbendazim, quintozene, rifampicin and neomycin sulfate; 3) a sterilizing agent composed of Difenoconazole, Prochloraz, quintozene, rifampicin and neomycin sulfate; and 4) a sterilizing agent composed of carbendazim, quintozene, rifampicin and penicillin. Experiments have proved that the PDA selective medium provided by the invention of has characteristics of feasibility, accuracy, utility, efficiency, low cost, and simple preparation. The PDA selective medium provided by the invention can be used to separate Phytophthora capsici to solve problems of severe pollution caused by non-target fungi and bacteria in a separation process of plant pathogen oomycetes, like Phytophthora capsici, and has advantages of high speed, high efficiency, time saving and labor saving.

The invention discloses a medium for simple and quick separation of phytophthora melonis. The medium is prepared by adding first bactericide or second bactericide in a PDA (potato dextrose agar) medium, wherein the first bactericide is composed of fludioxonil, hymexazol, quintozene and rifampicin, and the second bactericide is composed of prochloraz, hymexazol, quintozene and rifampicin. Experiments show that the PDA selective medium is practicable, accurate, practical, quick, low in cost and simple to prepare. Separation of phytophthora oomycetes such as phytophthora melonis by the PDA selective medium can solve the problem that non-target fungi and bacteria are badly polluted in the process of phytophthora separation, and is fast, efficient, timesaving and laborsaving.

The invention discloses a special prevention and cure agentia for the southern blight of money trees and a use method thereof. The agentia comprises the following components in parts by weight: 10-15 parts of 1% copper sulfate liquid, 10-15 parts of 40% pentachloronitrobenzene, 10-14 parts of 25% hectogram missible oil, 3-7 parts of fresh ginger, 2-6 parts of radix aconiti agrestis, 2-4 parts of baicalein, 2-4 parts of astragalus polysaccharides, 5-10 parts of allium cepa infusion, 2-4 parts of cinnamaldehyde, 5-9 parts of areca, 2-7 parts of Chinese goldthread, 5-8 parts of edible salt and 90-110 parts of water. All the components are prepared and mixed according to a proportion, and then are uniformly agitated so as to obtain the prevention and cure agentia a 800-1,000 times diluent liquid of the prevention and cure agentia is sprayed to the surrounding of damaged plants for 2-4 times, and the time interval of each time of agentia application is 5-8 days. The special prevention and cure agentia has good prevention and cure effects, is simple in preparation process and convenient to use, reduces the use amount of agricultural pesticide, relieves pollution to the environment, and facilitates the ecological equilibrium.

The invention discloses a preventing and controlling method for root rot of angelica sinensis. The method comprises the following steps: (1) selecting disease-free seedlings and performing crop rotation on the selected seedlings and graminaceous crops; (2) selecting sandy soil with good water discharge and good water permeability as cultivation land, performing high-ridge planting, and paying attention to discharge accumulated water in time after raining; (3) doing a good job of field cleaning work, removing plants with a serious disease in time, and burning diseased tissues thoroughly; (4) 15days before transplanting, performing spraying by using 1 kg of 40% pentachloronitrobenzene per mu; (5) selecting robust and disease-free seedlings, performing transplantation, and performing seed dressing by using carbendazim or thiophanate-methyl before transplanting; (6) spraying Genbao+Chongchabao+Youfeng in the seedling stage; and (7) after plants are infected with the root rot, disinfectingdisease holes by using lime, and simultaneously spraying disease areas by using 800-fold thiophanate-methyl or comprehensively irrigating the disease areas by using 1000-fold carbendazim. The methoddisclosed by the invention reduces sources of germs in a coming year, kills a fusarium disease, and effectively prevents and controls the root rot of the angelica sinensis.

The invention discloses a composition capable of reducing continuous cropping sesame yield loss in red soil dry land, and a method. The composition is composed of a soil fertilizer and disinfectant A,and a continuous cropping resistant agent B; the soil fertilizer and disinfectant A is composed of, by mass 42 parts of a biological organic fertilizer taking cow dung as the main ingredient, whereinthe total content of N, P, and K is equal to or larger than 6%, 12 parts of urea, 30 parts of calcium magnesium phosphate fertilizer, 10 parts of potassium chloride, 2 parts of borax, 2 parts of quintozene, and 2 parts of carbendazim, and the total content of the soil fertilizer and disinfectant A is 1500kg / hm<2>; the continuous cropping resistant agent B is composed of 6 parts of 40% flusilazoleand 40 parts of 25% kresoxim-methyl, and the water adding amount of the continuous cropping resistant agent B is controlled to be 750kg / hm<2> at seedling stage and 900kg / hm<2> at flowering phase. Thecomposition and the method are capable of improving red soil dry land sesame plantation technology, reducing continuous cropping sesame yield loss, and improving continuous cropping sesame benefit.

The invention discloses a selective medium for simply, conveniently and quickly isolating pythium aphanidermatum, which is particularly suitable for isolation of pythium aphanidermatum, and belongs to the technical field of microbes. The medium is obtained through adding the following disinfectant (1) or (2) into a PDA (Potato Dextrose Agar) medium: (1) is a disinfectant consisting of carbendazol, pentachloronitrobenzene, flumorph and rifampicin; and (2) is a disinfectant consisting of prochloraz, pentachloronitrobenzene, flumorph and rifampicin. Experiments show that the PDA selective medium has the characteristics of feasibility, accuracy, practicability, quickness, low cost and simplicity and convenience in preparation. When the PDA selective medium is used for isolating pythium aphanidermatum and other pythium oomycetes, the problem of serious contamination of various non-target fungus and bacteria in the isolation process of pythium aphanidermatum and other plant pathogenic pythium is solved, and the effects of quickness, high efficiency and labor and time conservation are achieved.

The invention discloses a special chemical fertilizer for eggplants and a preparation method of the special chemical fertilizer. The special chemical fertilizer comprises the following components in parts by mass: 23-25 parts of fermented horse manure, 20-22 parts of ammonium chloride, 17-19 parts of diammonium phosphate, 15-18 parts of mixed soil manure, 14-16 parts of a phosphatic fertilizer, 12-15 parts of a potash fertilizer, 12-14 parts of an organophosphorus germ fertilizer, 10-13 parts of manganese sulfate, 9-11 parts of zinc sulfide,7-9 parts of plant ash, 4-6 parts of sweet clover powder, 2-5 parts of molybdic acid, 3-6 parts of a silicon fertilizer, 1-3 parts of quintozene and 60-70 parts of water. The special chemical fertilizer is rich in nutrition substances and balanced in proportioning, the exuberant growth of eggplants is promoted, the color is bright, the tissues are relatively dense, the seeds are tender and sweet, the anti-disease property of eggplants is improved, the yield of eggplants is increased, and the quality of eggplants is remarkably improved.

The invention discloses a degradation reinforcing method for polychlorinated biphenyl in soil or sediment. A nutrient solution and a co-metabolism carbon source are added into the soil or sediment containing the polychlorinated biphenyl, a uniform mud and water mixed culture solution with the volume ratio of mud to water being 1:(2-3) is formed and reacts for one year or more under an anaerobic condition, and electron donors are added every month. The co-metabolism carbon source is PCB61 or quintozene or 4,4'-dibromo-benzene. The degradation reinforcing method for polychlorinated biphenyl in soil or sediment is green and environmentally friendly, and greatly improves the degradation efficiency of the polychlorinated biphenyl.

The invention discloses a method for improving the germination speed and the germination rate of green pepper seeds, and relates to the field of a green pepper planting technique and method. The method comprises the following steps of selecting the green pepper seeds; performing seed soaking, high-temperature seed scalding and disinfection treatment operation on the green pepper seeds; performingfinishing and disinfection operation on a seedbed and nutrient soil; filling the nutrient soil into the seedbed; performing finishing treatment operation on the seedbed soil until the filling soil iscrushed; performing disinfection treatment on a mixed agent of 70-percent quintozene powder and 65-percent zineb powder on the seedbed; performing accelerating germination operation on the green pepper seeds; placing green peppers into a greenhouse for seedling culture treatment. The method has the advantages that the green pepper seeds are subjected to operations quality screening, seed soaking treatment, high-temperature seed scalding treatment, disinfection treatment and accelerating germination treatment; the seedbed is subjected to finishing treatment operation and condition temperature and surface temperature control, so that the seed germination time can be effectively shortened, and the germination rate of the seeds is improved.

The invention discloses a preparation method of disease-resistant drug for watermelon southern blight. The preparation method comprises the following steps: A. materials of 40% quintozene, 15% wettable triadimefon powder, 50% wettable tolclofos-methyl powder, astragaloside, baicalin, polyoxin, honeysuckle and andrographis paniculata are prepared; B. extracting solutions of the honeysuckle and the andrographis paniculata are extracted; C. the 40% quintozene, the 15% wettable triadimefon powder, the 50% wettable tolclofos-methyl powder, the astragaloside, the baicalin and the polyoxin are compounded with the extracting solutions obtained in the step B; the drug for resisting the watermelon southern blight is obtained by thorough stirring and ultraviolet sterilizing. The preparation method of the invention has the advantages of simplicity, simple proportion of the prepared products, convenience in use and good effect on treatment of the watermelon southern blight. Experiments show that a solution of the mixture has an obvious inactivation effect on fungi imperfecti sclerotium rolfsii and athelia roffsii, wherein the amount of the solution is 400-600 times of that of the mixture; the disinfection effect is good.