202 results about "Root disease" patented technology

Disclosed is a bio-fertilizer composition for promoting growth of orchid plants. The composition comprises a symbiotic organism, a growth substance; and a medium, which is used to mix and evenly disperse the symbiotic organisms and the growth substance. The symbiotic organism is selected from the group consisting of Rhizoctonia sp. (BCRC930076) and Rhizoctonia sp. (BCRC930077). The bio-fertilizer composition according to the invention can promote the growth of orchid plants, increase the flowering rate and flowering quality, decrease the occurrence of root disease to prevent the usage of pesticide, and increase the beneficial components toward human health of medicinal orchids.

The invention relates to a method for using soybean root nodule and endotrophic mycorrhiza to prevent soybean root disease. Wherein, the inventive bacteria seed has been stored in national microbe storage manager center, whose storage number is sinorhizobium sp; the seed L396 storage number is CGMCC No. 1851; the bacillus subtilis seed Snb2 storage number is CGMCC No.1850. And the invention uses general liquid to ferment and cultivate, uses itself or metabolite as effective active component; mixing the ferment solutions at different ratios, with effective restrain function on soybean cyst nematization and root pathogenic fungi; the density ratio between Snb2 and L392 is 8:3, and the dead ratio of young bacteria can reach 98.92%, and the relative restrain rate on cyst cultivation can reach 99.66%; the invention prepares the metabolite into water agent, to reach 78.6% prevent rate on the soybean cyst nematization. The inventive nodule bacteria can fix nitrogen and accelerate growth.

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.

Disclosed herein is a method for increasing the production of crops, particularly wheat and soybean, using herbicide resistant cultivars. In one aspect of this method, the method increases crop yield by diminishing the impact of the root diseases caused by Gaeumannomyces and Rhizoctonia species by treating the crop with an herbicide, in particular glyphosate. In another aspect the method for treating crops reduces the effects foliar pathogens and diseases, particularly fungal pathogens, such as rusts, including soybean rust, stem rust, stripe rust and leaf rust.

The invention provides a bacillus amyloliquefaciens ZCM18 with broad spectrum growth-promoting and stress-resisting effects. The preservation No. of the bacillus amyloliquefaciens ZCM18 is CGMCC No.12959. The bacterial strain has higher phosphate solubilization and nitrogen fixation capability and capability of generating IAA, ACCD, siderophore and cytokinin; the tolerance of salinity can reach up to 5%; the bacillus amyloliquefaciens has higher antagonism to fusarium and rhizoctonia pathogenic bacteria and is suitable for the production of multifunctional bio-fertilizer, such as, disease prevention, growth promoting and salt and alkali resistance; the application scope is wide; the bacillus amyloliquefaciens is suitable for biological improvement of various soil (saline-alkali soil, degenerated soil and conventional cultivated land) and production of various plants (vegetables, grain crops and fruit trees); the bacillus amyloliquefaciens has obvious effects in boosting the root development, preventing and controlling root diseases, increasing the crop yield, and the like; the bacillus amyloliquefaciens is capable of reducing the dosage of chemical fertilizers and pesticides and is wide in application prospect.

The invention discloses a cutting propagation method of eustoma grandiflorum. The cutting propagation method includes: day temperature of a female parent cultivation greenhouse is kept at 20-30 DEG C, night temperature is kept at 13-18 DEG C, relative air humidity during the day is kept to be 50-75%, and relative air humidity during the night is kept to be 70-85%; and sunshine time in a year is less than 13 hours. When a lateral bud of a female parent plant has eight leaves and one heart, a bigslip is cut out, cutting is performed on the bigslip after the bigslip is dipped in rooting powder, shading coefficient of an outer shading net of a cutting greenhouse is 30%, inner relative air humidity is kept to be 80-95% through high pressure mist, temperature is at 20-25 DEG C, CO2 concentration in the cutting greenhouse is kept to be 600-800ppm through CO2 fertilization, and a cutting seedling is transplanted to a flower cutting production greenhouse after the cutting seedling takes root. The cutting propagation method of eustoma grandiflorum reduces root disease rate and leaf disease rate substantially, shortens seed breeding stage, and promotes the eustoma grandiflorum pigslip to take root. Rooting time of eustoma grandiflorum is 23-25 days, rooting rate of eustoma grandiflorum is above 92%, and planting percent of eustoma grandiflorum is above 87%. The cutting propagation method of eustoma grandiflorum is suitable for commercial and large-scale propagation of eustoma grandiflorum.

The invention relates to the microbial preventive treatment field, in particular to a bacillus amyloliquefaciens bacterial strain, solid state fermentation bacteria manure, and application of bacillus amyloliquefaciens in peanut rot disease preventive treatment. Bacterial manure which contains bacillus amyloliquefaciens with CGMCC No.5436 preservation number is diluted 100-1000 times and hole applied to peanuts, a field colonization growth promoting experiment proves that the bacillus amyloliquefaciens can be colonized inside peanut rhizosphere soil and roots and have distinct growth-promoting effect on the roots, and preventive treatment effect on root diseases achieves more than 60%. A field disease prevention experiment proves that preventive treatment effect on the peanut rot disease achieves more than 50%, emergence rate is increased by 10-20%, yield is increased by 6-12%, and disease control is achieved, and meanwhile the purposes of peanut retention and yield increase are achieved. The bacillus amyloliquefaciens can be colonized inside the peanut rhizosphere soil and the roots, good preventive treatment effect on the peanut rot disease is achieved, and then the bacillus amyloliquefaciens plays a role in growth promotion and yield increase, and meanwhile spores of the bacillus amyloliquefaciens is high in content, little in use level, non-toxic, free of pathogenicity, safe to people and livestock, free of environmental pollution, and low in production cost.

The invention discloses a high-yield Bletilla striata planting method. The high-yield Bletilla striata planting method comprises the following steps: land consolidation, seed selection and planting, field management, pest control and the like, wherein in each step, a scientific processing mode is used; a soil conditioner in step 1 can be used for improving the physical and chemical properties of soil, reducing plant diseases and insect pests in a growth process and improving stress resistance; in steps 2 and 3, while the yield and the quality of Bletilla striata are ensured, fertilizer makes the survival rate of Bletilla striata seedlings high, a great amount of organic fertilizer produced in yield increasing fertilizer can satisfy the rapid growth requirement of Bletilla striata so that Bletilla striata can grow rapidly and has more flowers and fruits and full seeds, the chemical content of the leaf surfaces of Bletilla striata is high, the yield is increased, the difficult problem of multiple fertilization is solved, the incidence rate of the rot root disease of Bletilla striata can be effectively controlled, the yield and the quality of Bletilla striata are improved and effective economic benefit is achieved.

The invention provides a streptomycesvinaceus-drappus microbial inoculum. The streptomycesvinaceus-drappus microbial inoculum uses an active bacteria culture prepared by liquid submerged fermentation or solid fermentation of an active strain of streptomycesvinaceus-drappus, of which the storage number is CGMCC No. 2664, as an active ingredient. A tentative name of the streptomycesvinaceus-drappus microbial inoculum is S506, and the streptomycesvinaceus-drappus microbial inoculum was submitted to the CGMCC for storage on 11st September, 2008. The preparation method comprises the following steps of: A, activation of the strain; B, preparation of liquid seeds of the streptomycesvinaceus-drappus; and C, liquid submerged fermentation of the streptomycesvinaceus-drappus. The invention also provides a novel process of 'liquid seed preparation and solid fermentation' which is favorable for the growth of the streptomycesvinaceus-drappus, and the novel process meets the technical requirements on high effective viable count, high spore production rate, light contamination of crossbred bacteria and short fermentation period. When the active streptomycesvinaceus-drappus is applied to the roots of vegetables, various root diseases, such as blight, root rot and root knot nematode disease, of vegetables can be effectively prevented and controlled, and the streptomycesvinaceus-drappus microbial inoculum has obvious effects of enforcing growth of root systems and degrading autopoisonous matters of root systems, so that the streptomycesvinaceus-drappus microbial inoculum has a wide application prospect in effectively solving the problem of continuous cropping obstacles which are commonly happed to vegetables, fruit trees, medicinal materials and the like.

The invention relates to a special controlled release fertilizer for preventing and treating root diseases of hot peppers and a preparation method of the special controlled release fertilizer. The special controlled release fertilizer is prepared by accurately compounding sulphur and high polymer coated urea, thermoplastic and thermosetting double-layer coated urea, urea undercoat modified epoxy resin coated diammonium phosphate and urea undercoat modified epoxy resin coated potassium nitrate with a potassium sulfate composite fertilizer, a trace element fertilizer and a granular pesticide. The special controlled release fertilizer is used for being applied to a vegetable field, is all applied to the bottom of a planting trench in one step before the hot peppers are transplanted, is used for preventing and treating pest and disease damage to the roots of the hot peppers. The requirements of the hot peppers on nitrogen, phosphorus and potassium in each growth period are met and the output of the hot peppers is improved.

The invention discloses a flue-cured tobacco bio-organic fertilizer and a preparation method thereof. The flue-cured tobacco bio-organic fertilizer includes the following raw materials in parts by weight: 42-84 parts of grain stillage, 1-4 parts of penthorum chinense pursh straw, 1-45 parts of wormcast, 0.1-0.7 part of wood chips, 0.5-2 parts of quick lime and 1-10 parts of a microbial fermentation bacteria agent. The preparation method includes the following steps: S1, weighing the raw materials according to the formula; S2, mixing the grain stillage, penthorum chinense pursh straw, wormcast, wood chips and quick lime, adding the microbial fermentation bacteria agent, and mixing uniformly to obtain a mixed fermentation material; S3, piling up the mixed fermentation material at 50-65 DEG C and fermenting for 25-31 days, so as to obtain clinker; S4, smashing the clinker, and sieving the clinker by using a sieve of 50-80 mesh, so as to obtain the flue-cured tobacco bio-organic fertilizer. The flue-cured tobacco bio-organic fertilizer and the preparation method thereof, provided by the invention, have the benefits that the fertilizer nutrients can be slowly released, so that the use efficiency of the fertilizer and the trace elements absorption and utilization rate of tobacco are improved, the tobacco yield is increased, the tobacco quality is improved, and the root disease resistance of the tobacco is improved.

The invention relates to a fertilizer, particularly to an organic fertilizer for organic rice. The organic fertilizer is characterized by comprising the following components in parts by weight: 30 parts of straws, 10 parts of cattle manure, 10 parts of pig manure, 10 parts of duck manure, 7 parts of fishbone dust, 8 parts of grain stillage powder, 10 parts of sweet potato leaves, 7 parts of humic acid, 7 parts of soybean cakes and 20 parts of traditional Chinese medicine residues. The organic fertilizer is free of pollution and harmless, and contains a large number of organic matters, nutrition is complete, and nicotin is generated after the fertilizer is decomposed, so that the fertilizer is alkalescent, and acid soil can be regulated; besides, the medicine residue is added, and the harmful organisms generated during the fertilizer fermentation process can be effectively killed by the soaking water and the traditional Chinese medicine liquid during the fermentation process; besides, root diseases and pests of organic rice can be prevented, and the growth quality of organic rice is facilitated.

The present invention discloses a trace element water-soluble fertilizer for wheat planting, wherein the trace element water-soluble fertilizer is characterized in that raw materials comprise, by weight, 30-40 parts of fermentation biogas slurry, 14-16 parts of urea, 8-10 parts of potassium dihydrogen phosphate, 6-8 parts of potassium nitrate, 0.6-0.8 part of Bacillus thuringiensis powder, 2-4 parts of magnesium sulfate, 2-4 parts of ferrous sulfate, 1.2-1.4 parts of copper sulfate, 3-5 parts of boric acid, 1.3-1.6 parts of manganese polyaspartate, 0.6-0.8 part of zinc polyaspartate, 1-2 parts of ammonium molybdate, and 3-4 parts of a plant-derived organic matter. According to the present invention, the trace element water-soluble fertilizer contains humic acid, nitrogen, phosphorus, potassium and other necessary nutrition elements required by wheat growth; the composite anti-pest agent provides significant effects of insect disinfestation and pest prevention so as to provide excellent soil environment for crop growth; and the trace element water-soluble fertilizer has characteristics of root disease resistance and stress resistance enhancing, scientific and rational chelating agent ratio, good solubility, easy absorption by plants, significant crop growth promoting effect, yield increasing, and quality improving.

The invention discloses antagonistic actinomycete for preventing and controlling continuously cropped strawberry root rot and a preparation method of a biocontrol agent of the antagonistic actinomycete. Bacterial strain B04 belongs to streptomyces hygroscopicus (Streptomyces hygroscopicus), with the strain preservation number of CGMCC NO.9918. The biocontrol strain B04 is separated from a healthy strawberry root, and has a strong inhibiting effect on pathogenic bacteria, such as fusarium, verticillium dahliae, rhizoctonia, phytophthora and the like, causing strawberry soil-borne root diseases. The antagonistic actinomycete prepared by taking wormcast and wheat bran as the main materials of fermentation medium can completely meet the nutritional requirements produced by solid fermentation of biocontrol antinomycetes. Compared with conventional fermentation, the production cost of the preparation method is reduced by 30 to 50 percent, and the preparation method is beneficial for popularization and application of the biocontrol agent of the antagonistic actinomycete. After the biocontrol agent of the antagonistic actinomycete is applied to continuously cropped soil, the biological control rate reaches greater than 70 percent, and has great significance on preventing and controlling the soil-borne diseases of strawberry, improving the quality of agricultural products and protecting the environment.

The invention discloses a medicinal fertilizer for controlling soil-borne root diseases and stimulating crop growth. The fertilizer is prepared by mixing 30% of reagent, 60% of nutrients and 10% of growth regulator. The reagent is prepared from, by weight, 2 parts of fenaminosulf, 2 parts of hymexazol, 2 parts of thiram, 2 parts of carbendazim and 2 parts of ethylicin. The nutrients are prepared from, by weight, 1 part of alginic acid, 1 part of chitin, 1 part of potassium fulvic acid, 1 part of amino acid, 1 part of humic acid, 1 part of trace elements, 1 part of urea, 1 part of monopotassiumphosphate and 1 part of sucrose slag. The invention relates to the technical field of medicinal fertilizers. The medicinal fertilizer can effectively control the soil-borne diseases, root diseases and seedling-period diseases, has effects of having nutrients and stimulating crops to restore vitality and rapidly grow, is beneficial for rooting, seedling strengthening, fruit beautifying and fruit brightening, and can restrain underground insect pests and root-knot nematodes and reduce and control diseases.

The invention discloses complex liquid coated medical fertilizer for organically preventing and curing root diseases and the manufacture process thereof. Complex liquid of organic bactericide pesticide and a swelling agent are coated on the surfaces of compound fertilizer particles, and a coating agent is coated on the outermost layer. The compound fertilizer particles are nitrogen-phosphorus-potassium mixed fertilizer particles. The bactericide pesticide is one of DT bactericide, antibiotic 120 bactericide or validamycin antibiotics, the swelling agent is double baking powder, and the two preparations are mixed to be complex liquid according to maintenance dose. The coating agent is seaweed glue, and the raw material weight percentage is as follows: 96 to 98 percent of compound fertilizer particles, 0.3 to 1 percent of bactericide pesticide, 1 to 2 percent of swelling agent and 0.5 to 1.7 percent of coating agent. In the invention, organic bactericide pesticide such as the DT bactericide and the like is mixed with the swelling agent to form complex liquid, a drug micron sprayer is used for spraying on the outer surfaces of the compound fertilizer particles, and then a certain amount of seaweed glue coating agent is added for coating the outermost layer. Therefore, the complex liquid coated medical fertilizer is prepared. The nutrition slowly releasing and disease-resisting and sterilizing functions of the compound fertilizer can be added, and the lasting effect and the utilization efficiency of fertilizer and pesticide can be improved.

The invention discloses a planting method for dendrobium officinale, and belongs to the field of agricultural planting. The method comprises: adding grape seed powders in a culture medium, so as to improve yield and quality of dendrobium officinale, and improve biotransformation efficiency of the dendrobium officinale; adding sheep manure powders in the culture medium, and fermenting by using cellulose decomposing microbes and vinasse, so that fertilizer cannot easily harden in blocks, and complete absorption of the dendrobium officinale on fertilizer nutrition is satisfied; arranging a warming net in a greenhouse, and using cotton material cloth containing 10-20% polyester fibers, to make light transmittance of the greenhouse and heat insulation effect of planting in winter achieve an ideal state; adding selenium-rich marine microalgaes in the planting fertilizer, the selenium-rich marine microalgaes being rich in organic selenium compounds and having strong concentration effect on various microelements and compounds, and having effects of killing insects and sterilizing and proving growth nutrients for the dendrobium officinale, the selenium-rich marine microalgaes having obvious effects especially aimed at anthracnose, rotted root diseases, blight, phenacaspis dendrobii kuwana, and other more than ten kinds of insect diseases.

The invention provides a crop straw based culture medium and a making method thereof. The crop straw based culture medium comprises the following steps that 1, the crop straw moisture is adjusted, beneficial mixed bacteria are added to crop straws, and uniform stirring is performed; 2, material piling is performed, and the material is covered with a black plastic film after piling to perform anaerobic fermentation; 3, the plastic film is uncovered, compound bacteria are scattered, and pile turnover is performed to begin to perform aerobic fermentation; 4, during the aerobic fermentation, super absorbent resin and rare earth nitrate are added, and even stirring is performed to break the material, namely the crop straw based culture medium is obtained. The crop straw based culture medium contains the beneficial bacteria, can maintain soil fertility, effectively restrains root diseases, effectively promotes crop growth, contains the super absorbent resin, improves the water-retention rate and fertilizer-retention rate of soil and is added with the rare earth nitrate to promote crop growth, nitrogen, phosphorus, potassium, calcium, magnesium, organic matter and the like of the crop straws are utilized fully, waste is turned into wealth, and the cost of the medium is reduced.

The invention provides an external used medicine for dermatologic diseases, which is characterized in that phellodendron, lightyellow sophora root, common cnidium fruit, broom cypress fruit, pericarpium zanthoxyli and chloroxylenol are used as active medicine ingredients, and the invention is prepared by mixing the active medicine ingredients with assistant ingredients that are acceptable in preparing external used medicines, wherein, the weight proportions of the active medicine ingredients are as follow: 2-8 parts of phellodendron, 1-5 parts of lightyellow sophora root, 1-5 parts of common cnidium fruit, 1-5 parts of broom cypress fruit, 4-15 parts of pericarpium zanthoxyli and 0.1-5 parts of chloroxylenol. The medicine is a combination of traditional Chinese medicine and western medicine, with the sterilizing rate of over 99.9%, and can effectively sterilize diverse bacteria and fungi such as golden brown staphylococcus, colon bacillus, candida albicans, etc. The external used medicine has quick effect on dermatologic diseases, has high cure rate, few side effects and no drug resistance, and can cure both symptom and root diseases.

A corn fertilizer having pest resistance is composed of 40-45 parts of urea, 10-15 parts of potassium sulfate, 12-15 parts of calcium bicarbonate, 8-12 parts of biochar, 5-10 parts of boric acid, 2-5parts of sodium citrate, 2-8 parts of manganese sulfate, 10-20 parts of plant ash, 8-12 parts of magnesium sulfate, 3-5 parts of a sodium alginate solution, 0.5-0.8 part of a biological agent, 5-10 parts of traditional Chinese medicine extract product and 4-6 parts of a urease inhibitor. The corn fertilizer having pest resistance can provide good nutrition elements for corn, facilitates the prevention of root pests and root diseases of corn, does not cause soil hardening, and improves the soil quality; and the biochar is added into the fertilizer, so the traditional Chinese medicine extract can immersed in the pores of the biochar after undergoing ultrasonic treatment, thereby the fertilizer efficiency and the pest and disease resistance period can be prolonged, and the quality of the cornis improved. A preparation method of the fertilizer has the advantages of simplicity, easiness in implementation, and significant economic benefits. The fertilizer does not cause acid-base imbalanceafter being used; and the biological agent added to the feed increases beneficial bacteria in the soil and further increase the fertility of the soil.

The invention relates to a planting method for grapes interplanting garlic for preventing and treating grape diseases and belongs to the technical field of agricultural planting. According to the method provided by the invention, garlic is interplanted in an original grape garden, the plant rows and row spacing of the original grape garden are remained unchanged, and garlic is interplanted according to conventional plant rows and row spacing, that is, the row spacing is 16-20 cm, the plant spacing is 9-12 cm, a row of garlic is planted at an interval of one row, and the row spacing between a grape tree and garlic is 20-30 cm. The root diseases of grapes are prevented and treated by virtue of the growth characteristic that garlic generates garlicin, and the cost can be lowered, both production and income are increased, the quality of grapes is improved, the use level of a pesticide can be reduced to a great extent, and the land source is effectively utilized.

The invention discloses P. agglomerans TY15-2. The bacterial strain TY15-2 has the characteristics of nitrogen fixation, potassium dissolving, auxin generation and siderophore generation, and has a promotion effect on ginseng growth. The bacterial strain TY15-2 is identified as P. agglomerans. Nitrogen fixation potential is achieved, potassium dissolving capacity can reach 7.6 micrograms per milliliter, IAA generation capacity is high and can reach 6.25 micrograms per milliliter, the siderophore generation capacity is achieved, and the activity reaches 84.6%. A good effect is achieved for prevention and control of diseases at the seedling stage of ginseng and prevention and control of the rusted root disease at the adult plant stage. An obvious promotion effect is achieved for ginseng root growth, and the fresh weight is increased by 10.64%. Discovery of the P. agglomerans lays a good foundation for research and application of ginseng biological prevention and control.

The invention discloses a soil conditioner for tobacco field acidic soil, wherein the soil conditioner comprises, by weight, 40-80 parts of shells, 20-60 parts of potassium feldspar, 10-50 parts of limestone, and 15-40 parts of dolomite. According to the present invention, the soil conditioner can neutralize the active acid and the exchangeable acid in the soil, obviously increase the pH value ofthe soil, increase the soil plough layer exchangeable Ca<2+> and Mg<2+> concentrations, improve the soil microbial environment, increase the numbers of soil bacteria, actinomycetes and aerobic cellulose decomposition bacteria, improve the activities of urease, acid phosphatase, catalase and cellulase, passivate the heavy metals in the soil, reduce the heavy metals in tobacco, reduce the occurrenceof tobacco root diseases, improve the aroma quality, the aroma amount and the concentration of tobacco leaves, and reduce the irritation, the miscellaneous gas and the like of tobacco leaves.

The invention discloses a composite microbial granulated fertilizer containing medium trace elements. The composite microbial granulated fertilizer comprises the following components in parts by weight: 50-90 parts of medium trace elements, 0.2-5 parts of a composite microbial agent and 8-12 parts of an adhesive, wherein the medium trace elements refer to monohydrates or anhydrous compounds. Rich soil scarcity nutrient is provided by utilizing the medium trace elements, the composite microbes provide an excellent root micro-ecological environment, substances such as auxin are secreted, absorption of crops on large, medium and trace elements is further promoted, the nutrient proportioning is reasonable, the fertilizer efficiency is high, the fertilizer absorption level of the crops can be greatly improved, the production cost is reduced, the problems such as various nutritional deficiency symptoms of the crops and low root disease resistance and cultivation of resilience are solved, the resistance of the crops is enhanced, and the yield and quality are improved. In the granulation process, the characteristic that each material is stable in water absorption is fully utilized, the energy consumption is reduced, and emission of greenhouse gas and three wastes is avoided. Moreover, different requirements of various soil types and crop varieties in China on the medium trace elements and composite microbes can be met.

The invention provides bjerkandera sp. Gause 15 and a fungicide prepared from bjerkandera sp. Gause 15. Bjerkandera sp. Gause 15 is collected in the China Center for Type Culture Collection (CCTCC), with collection number of CCTCC NO:M2015351. The fungicide is granular or is wettable powder. The fungicide prepared from bjerkandera sp. Gause 15 provided by the invention has obvious bacteriostatic activities towards Fusarium spp., Sclerotium rolfsii Sacc, Rhizoctonia cerealis Vander Hoeven and Pseudomonas solanacearum Smith. The granular fungicide or wettable powder prepared from the strain can be used for controlling tomato root rot, tomato damping off, tomato bacterial wilt, konjac root rot, konjac southern blight, green pepper root rot, green pepper bacterial wilt, green pepper damping off, watermelon root rot, watermelon bacterial wilt and watermelon damping off.

The invention provides a rice hull char-based fertilizer, and a preparation method and an application thereof in rice planting. The rice hull char-based fertilizer is prepared from the following raw materials: 56-63 parts by weight of rice hull char, 9-11 parts by weight of a microbial agent, 12-18 parts by weight of an organic fertilizer, 10-15 parts by weight of an inorganic composite fertilizer, and 5-9 parts by weight of a traditional Chinese medicine additive. The rice hull char-based fertilizer provided by the invention solves the problems of soil hardening and poor fertilizer efficiencyin rice planting; moreover, the rice hull char-based fertilizer can promote rice growth, improve rice disease resistance, and enhance rice immunity to root diseases and underground pests.

The invention discloses a soluble granule for preventing and treating a root disease and an application method, and belongs to the field of pesticides. The soluble granule is prepared from a carrier and missible oil, wherein components of the carrier comprise a soluble salt, citric acid, ammonium hydrogen carbonate, polyvinylpyrrolidone and a pigment; components of the missible oil comprise two compounded active ingredients, dimethyl formamide, epoxidized soybean oil, butylated hydroxytoluene and nonylphenol polyoxyethylene ether. A preparation method of the carrier of the soluble granule comprises the following steps of stirring and dissolving raw materials of the carrier at a high temperature, and cooling and crushing to obtain the carrier; A preparation method of the missible oil comprises the following steps of adding raw materials of the missible oil according to a sequence, and stirring and dissolving to form the missible oil. A preparation method of the soluble granule comprises the following steps of mixing the missible oil with the carrier, and discharging and sieving a material, so as to make a finished product. The application method of the soluble granule comprises broadcast application, covering sowing, hole sowing and irrigation application. The soluble granule has advantages of being high in agent adsorption capacity, quick in dissolution rate, low in toxicity, low in cost, good in prevention and treatment effects, simple in preparation method and multiple in the application method, and the like.

The invention belongs to the technical field of fruit tree plantation, and particularly relates to a citrus planting method. The citrus planting method comprises the following steps of 1), selecting and preparing land, namely digging plantation holes, mixing digged soil and sterilization powder, wherein the sterilization powder is composed of sodium lactate, xyris pauciflora willd, smut fungi of rice, gentiana scabra bunge, zanthoxylum bungeanum maxim and hairypetal millettia stem; 2), planting seedlings, namely dipping root of each citrus seedling in root dipping agent, wherein the root dipping agent is composed of sodium lactate, xyris pauciflora willd, gentiana scabra bunge, zanthoxylum bungeanum maxim, hairypetal millettia stem, salt, tea tree oil and polysorbate; 3), performing fertilizer and water management, namely periodically fertilizing and watering; 4), performing routine shaping and trimming; and 5), performing routine field management. The citrus planting method can improve yield and quality of the citrus and furthermore reduces root disease rate of the citrus tree.

The invention aims at solving the problems that the root rot and the stem rot of the peanut seriously happen on the continuous cropping land parcels; the peanut is weak in growth, bad in disease resistance and serious in morbidity in the land which is shallow in soil layer, arenaceous and low in fertility; the spring-sown peanut is serious in morbidity of root rot on the early-sown land parcels; and the root rot is serious in the year which is overcast and rainy, and high in humidity during seedling stage, the root disease, the stem disease and the fruit disease of the mulching film peanut commonly happen, wherein the common disease incidence reaches 3%-15%, 80% seriously and the like. According to the technical effect of the invention, the disease propagation spreading paths such as the facts that the soil carries disease germs, the seed carries disease germs and the manure carries disease germs can be solved, the peanut growth vigor can be improved, and the disease resistance can be improved.