40results about How to "Control blight" patented technology

The invention relates to a microbial agent for repairing garlic continuous cropping soil and a preparation method and application thereof. The microbial agent for repairing the garlic continuous cropping soil is prepared from, by weight, 15-35 parts of a streptomyces fradiae XFS spore mixture, 15-25 parts of an earthworm peptide-turfy soil mixture, 20-30 parts of wormcast, 15-25 parts of diatomaceous earth, 12-20 parts of grain bran, 5-12 parts of sodium alginate and 3-10 parts of potassium fulvic acid, wherein the number of effective viable bacteria of the microbial agent is 1.2-4.5 billion/g, the content of earthworm active peptide and amino acid is 2.5-5 wt%, and the content of organic matter is 40-60 wt%. The microbial agent can be used for repairing the garlic continuous cropping soiland can also be applied to vegetables, solanaceous fruits, melons, fruit trees and other crops, the application method is a base fertilizer mode or a topdressing mode, the microbial agent can also becompounded with organic fertilizer, compound fertilizer and organic and inorganic compounded fertilizer for use, and the application amount per mu is 10-100 Kg.

The invention discloses a soilless straw matrix of rice dry-raising water pipe and a seedling culture method. The method includes the following steps that a seedbed and the soilless straw matrix are manufactured; by means of the deep-ditch and high-box mode, water and fertilizer are controlled and growth of rice seedlings is regulated through a seedling box, wherein the seedling age of seedlings transplanted by machines is prolonged by 5-10 days, and the crop rotation contradiction of rice transplantation is effectively relieved; meanwhile, the soilless straw matrix matched with seedling culture of the method is formed by smashing oilseed rape straw serving as the main raw material and adding disinfectant, a water-retaining agent, modifier, an acid regulating agent, fertilizer and the like; a plastic tray with the specification of 58.8 cm*28 cm*2 cm is used for seedling culture; seedlings grow in the disinfected and appropriate acid condition; growth of seedlings is regulated through the water control and fertilizer control measures in the seedling culture process, and therefore the aims of being strong in seedling, large in root number, thick in rod and green in leaf are achieved. Straw is directly used as the soilless straw matrix after being smashed, the production processes of soil taking, soil screening and the like are reduced, and the labor intensity of rice farmers is lowered.

The invention provides an insecticidal disease-preventing suspended seed coating containing thiamethoxam, thifluzamide and/or benzene kresoxim-methyl. The insecticidal disease-preventing suspended seed coating comprises the following components in percentage by weight: 0.5%-30.0% of thiamethoxam, 0.5%-30.0% of thifluzamide and/or benzene kresoxim-methyl, 0.5%-10.0% of film forming agent, 0.5%-3.0% of wetting agent, 0.5%-5.0% of dispersing agent, 1.0%-5.0% of antifreezing agent, 0.01%-1% of preservative, 0.1%-1.0% of antifoaming agent, 0.1%-2% of thickening agent, 0.1%-1.0% of warning coloration and the balance of water. The seed coating provided by the invention is suitable for rice, corns, soybeans, peanuts, cottons and wheat, and so the use is wide, the use is safe and the operation is simple.

The invention provides a melastoma dodecandrum lour planting method, and particularly relates to the technical field of plant cultivation. The method adopts a mode for planting melastoma dodecandrum by using a seedling solution for rooting culture of cutting strips. Firstly, the cutting strips are placed and soaked in rooting water, cultivating and rooting are conducted with the seedling solution,field planting is conducted in a planting field, when water and fertilizer management is carried out, a vine enhancing agent and a fruit promoting agent are sprayed at the right time, the rooting rate of the cutting strips is over 98%, the total flavonoid content of active ingredients of a plant is above 35mg/g, which makes fruits have a heavy weight, enough sweetness and high yield, the shelf life of fresh fruits is prolonged to more than 20 days, so that the fresh fruits keep the original taste and freshness and do not easily rot, and the planting method is green, environmentally friendly,easy to operate, convenient to manage and suitable for scale and industrialization popularization.

The invention discloses a seed treating agent and a special pesticide composition thereof. The special pesticide composition disclosed by the invention comprises thiamethoxam and pyraclostrobin, wherein the mass ratio of thiamethoxam to pyraclostrobin is (1-10):1; the seed treating agent is prepared from the pesticide composition and an additive, specifically 10-40 percentage by mass of thiamethoxam, 1-15 percentage by mass of pyraclostrobin and the balance of the additive; the seed treating agent is a suspended seed coating or a seed treatment microcapsule suspension-suspending agent. The pesticide composition can be used for preventing and controlling insect pests with piercing sucking mouthparts like aphides, lygocoris lucorum and thrips in the cotton vegetable stage and cotton rhizoctonia, and can reduce times for spraying; the seed treating agent not only can be used for preventing and controlling insect pests with piercing sucking mouthparts like aphides, lygocoris lucorum and thrips in the cotton vegetable stage and cotton rhizoctonia, but also has the functions of improving the emergence rate of cotton, maize and peanuts and promoting the plant growth.

The invention discloses application of a thiadiazole compound in the preparation of a medicament for preventing and treating bacterial seedling damping-off of rice. A preparation prepared by using the thiadiazole compound as a main effective component is capable of effectively inhibiting the level of tropolone produced by B. plantarii, and therefore, the bacterial seedling damping-off of the rice can be prevented and treated. The medicament provided by the invention can be utilized for simply and feasibly preventing and treating the bacterial seedling damping-off of rice, is low in cost and has good prevention and treatment effects.

The invention relates to a non-toxic organic pesticide as well as a preparation method and an application thereof. The pesticide takes bromeliad rhizome cellulose degradation enzyme enzymatic hydrolysate and chitin as main effective ingredients. The pesticide is wide in insecticidal spectrum, has a long lasting period and high insecticidal activity, particularly can effectively dissolve hard epidermis of insects, cytomembranes of bacteria and nematode eggs, and has a remarkable application effect.

The present invention discloses a sterilization composition containing metalaxyl-hymexazol and nikkomycin, and relates to the technical field of pesticides. The sterilization composition contains active components such as metalaxyl-hymexazol and nikkomycin, wherein a mass ratio of the metalaxyl-hymexazol to the nikkomycin is 1:3-49. According to the present invention, the sterilization composition and the pesticide preparation provide significant synergetic effects compared with the single agent, and further have effects of effective prevention and control of crop plant diseases and insect pests, reduction of pesticide consumption, reduction of prevention and control cost, improvement of insect disinfestation and antibacterial activity, and delaying of drug resistance of plant diseases and insect pests on the sterilization composition.

The present invention discloses a melon disease prevention and cure method by utilising high-frequency electromagnetic wave treatment, belonging to the melon cultivation technical field. The specific content of the present invention is as follows: 5 to 7 days before seeding and raising seedlings, dressing the melon seeds with 250 gram diluted fungicide per 5 kilogram; after drying under the sun or by baking, treating the melon seeds with a high frequency electromagnetic wave of 25 to 30 MHz for 5 to 6 minutes. When the weight of the melon seeds treated by a single machine for multiple time is no greater than 5 kilograms, the current intensity is regulated up at a range of 0.5 to 12.5 amperes. By treating the melon seeds with the high-frequency electromagnetic wave, the method can effectively prevent the occurrence of damping-off, fusarium wilt, gummy stem blight, blight, powdery mildew, downy mildew, bacterial leaf spot and other diseases of melons during cultivation, and can avoid or reduce the spraying of pesticides during the entire growing period of melons, and reduces the pesticide residues of fruits and promotes a balanced ecosystem.

The invention relates to a suspended seed coating containing thifluzamide, metalaxyl and clothianidin. Thifluzamide, metalaxyl and clothianidin serve as effective components. Thifluzamide accounts for 1-20% of the total mass of the composition. Metalaxyl accounts for 1-20% of the total mass of the composition. Clothianidin accounts for 5-30% of the total mass of the composition. Pesticide auxiliaries serve as the rest of the components of the suspended seed coating. By means of the pesticide composition, damage caused by damping-off and echinocnemussquameus billberg before the seedling formation period of paddy can be effectively prevented and controlled, and the seedling formation rate of paddy seeds is increased.

The invention discloses efficient bio-fertilizer for vegetables as well as a preparation method and an application of the bio-fertilizer. The bio-fertilizer is prepared from raw materials including 15parts of a microbial agent, 30 parts of organic fertilizer, 15 parts of nitrogen fertilizer, 8 parts of phosphate fertilizer, 12 parts of potash fertilizer, 5 parts of trace fertilizer, 2 parts of chitosan, 2 parts of amino acid, 2 parts of algin, 4 parts of humic acid and 5 parts of bentonite; the raw materials are stirred, mixed, sieved, dried and packaged, and the efficient bio-fertilizer forthe vegetables is prepared. The efficient bio-fertilizer is used for increasing vegetable yield, improving vegetable quality, improving vegetable storing property, induced-enhancing disease resistanceof the vegetables, promoting growth of vegetable plants, increasing microbe quantity of vegetable root systems and improving soil enzyme activity, and has the advantages of being remarkable in effect, green, pollution-free, high in fertilizer use ratio, low in cost, easy to popularize and the like, soil is improved, diseases are controlled, and yield and quality are improved.

The invention discloses a preparation method and application of a special microbial seedling-raising substrate of rice. The substrate comprises the main ingredients: peat soil, vermiculite, biochar, rotten chicken manure, river sand, biocontrol bacteria and the like. The seedling-raising substrate has a particle size of 1-10 mm, a pH value of 6.8-7.3 and conductivity of 3.0-3.4 ms/cm, the spore content is 107/g, and the control effect on rice blight and bakanae diseases can reach 65% or above in the rice seedling period. All the nutrients which are required for growth of rice seedlings can beprovided by the microbial seedling-raising substrate, irrigation of a nutrient solution is not needed any more, and meanwhile, occurrence of rice blight and bakanae diseases can be prevented effectively in the rice seedling period. The seedling-raising substrate can be applied to rice seedling raising through substrates.

The invention provides a water culture method for Chinese flowering cabbage and belongs to the field of agricultural production. Chinese flowering cabbages are planted in a greenhouse provided with afly net. According to biological characteristics of Chinese flowering cabbages and insect pest occurrence characters, seedling culture, design and application of water culture devices, efficient culture technique are integrated and optimized full all sides, and thus a simplified water culture device and a water culture method for Chinese flowering cabbages are obtained. By the method, Chinese flowering cabbages reach green standards, have high yield and good quality.

The invention discloses a strain of photosynthetic bacterium Rhodobacter capsulatus, a bactericide agent as well as a preparation method and an application of the bactericide agent. The strain of the photosynthetic bacterium Rhodobacter capsulatus is photosynthetic bacterium Rhodobacter capsulatus A12, and Rhodobacter capsulatus A12 is collected in CCTCC (China Center for Type Culture Collection) with the collection number of CCTCC No:M 2018604. The culture process for the photosynthetic bacterium Rhodobacter capsulatus A12 is simple, the culture time is short, the cost is low, and a biocontrol bactericide and biocontrol fermentation liquor for control of rice bacterial leaf blight are prepared from the strain of the photosynthetic bacterium Rhodobacter capsulatus with a simple and fast low-cost operating method.

The invention discloses an organic slow-release fertilizer special for rice. The organic slow-release fertilizer special for the rice is prepared from the following raw materials in parts by weight: 71 to 73 parts of peanut meal, 32 to 34 parts of corn germ meal, 5.2 to 5.4 parts of chestnut shell, 5.7 to 5.9 parts of watermelon peel, 4.1 to 4.3 parts of lychi exocarp, 7.2 to 7.4 parts of semen litchi, 2.1 to 2.3 parts of Chinese hawthorn seed, 14 to 16 parts of calcium magnesium phosphate, 19 to 21 parts of ammonium sulfate, 15 to 17 parts of potassium carbonate, 8 to 10 parts of monoammonium phosphate, 1.3 to 1.5 parts of anthurium leaf, 3.3 to 3.5 parts of myrtle tree bark, 1.6 to 1.8 parts of myrtle leaf, 0.7 to 0.9 part of fragrant plantain lily leaf, 2.6 to 2.8 parts of catalpa bark, 0.23 to 0.25 part of azospirillum brasilense, 0.17 to 0.19 part of sesbania stem nodule bacteria, and 4.5 to 4.7 parts of lignin. The organic slow-release fertilizer special for the rice provided by the invention is scientific and reasonable in formula, effective nutritional ingredients of the raw materials are integrated with one another, the sufficient absorption and utilization and the conversion of the nutritional ingredients by the rice can be promoted, the drought resistance, the insect resistance and the disease resistance of the rice are effectively enhanced, the seed setting rate of the rice is high, the grains of the rice are full, the soil can be improved, and the fertilizer efficiency is prolonged, so that the thousand seed weight and the yield of the rice are improved.

The invention relates to a suspended seed coating agent containing abamectin, pyraclostrobin and iprodione. The suspended seed coating agent is prepared from effective ingredients and auxiliary ingredients, wherein the effective ingredients are the abamectin, the pyraclostrobin and the iprodione according to the mass ratio of (1 to 5):(1 to 5) :(50 to 10). The abamectin, the iprodione and the pyraclostrobin are compounded according to a certain proportion; the disease treatment effect and the pest killing effects can be achieved; particularly, good preventing and control effects are achieved on threadworm and root diseases; plant disease such as soybean root rot, heterodera glycines ichinohe, wheat take-all, wheat root rot, wheatworm, rice seedling blight, bakanae disease and rice crimp nematode can be effectively prevented and controlled; pests such as heterodera glycines ichinohe, thrips and trialeurodes vaporariorum during the crop seedling stage can be prevented and controlled; inaddition, the plant growth can be promoted; the problems in the practical production can be well solved; the time and the labor are saved; the suspended seed coating agent has little pollution throughbeing compared with other pesticide application technologies.

The invention belongs to the technical field of microorganisms. The invention discloses a walnut leaf endophytic biocontrol bacterium, which belongs to bacillus, the preservation number of the walnut leaf endophytic biocontrol bacterium is CGNCC No: 22705, and the 16S rDNA nucleotide sequence of the walnut leaf endophytic biocontrol bacterium is shown as SEQ ID NO.1. The walnut leaf endophytic biocontrol bacterium is high in safety, capable of effectively preventing and treating walnut leaf blight caused by walnut anthracnose or fusarium laminar, the walnut leaf endophytic biocontrol bacterium has low production and use cost, is free of residues, is high in safety, is environmentally friendly and is good in prevention and treatment effect.