1413 results about "Sporeling" patented technology

The invention relates to an application method of arbuscular mycorrhizal fungus in large-scale tobacco cultivation. A primary arbuscular mycorrhizal fungi fungicide is inoculated and propagated separately, and propagule spore density of an arbuscular mycorrhiza of each fungi after the propagation is 30 pieces per gram of dry soil. A float breeding method is adopted to conduct arbuscular mycorrhizal fungi fungicide combinedinoculation to tobacco, mycorrhization tobacco seedlings are obtained, and the mycorrhization tobacco seedlings are directly applied to field production. When being transplanted, the mycorrhization tobacco seedlings are conducted with a two-step inoculation, and the mixed fungicide is mixed by propagated acaulospora mellea, glomus mosseae and glomus intraradices at a proportion of 0.5-1: 1:1. A colony formed by the propagation of the arbuscular mycorrhizal fungus is close to a natural state, and fungus cooperate and play a better role of growth promoting and quality improving. According to the application method of the arbuscular mycorrhizal fungus in the large-scale tobacco cultivation, by means of the two times of inoculations of the arbuscular mycorrhizal fungus, the proportion of arbuscular mycorrhizal fungus and the tobacco in a symbiotic system built during a seedling stage of the tobacco is guaranteed, and the beneficial effects of the symbiotic system to the development of the tobacco seedlings are ensured. The application method of the arbuscular mycorrhizal fungus in the large-scale tobacco cultivation is simple and practical in method and environment friendly.

The invention discloses an aspergillus flavus strain producing no aflatoxin. The aspergillus flavus strain producing no aflatoxin, provided by the invention, is specifically aspergillus flavus GZ-17; the preservation number of the aspergillus flavus strain in the general microbiology center of the China Committee for Culture Collection of Microorganisms is CGMCC No.8050. Experimental results show that the aspergillus flavus strain GZ-17 provided by the invention plays a role in restraining the poison production of the aspergillus flavus strain producing the aflatoxin; when the concentration ratio of the strain to a toxic producing fungus spore is 105: 105, the poison production restrained ratio of bacterium producing no poison to the bacterium producing poison is nearly 96%. The strain has important significance for restraining the infection of the aspergillus flavus producing poison to agricultural products and reducing the aflatoxin pollution in the agricultural products.

The invention relates to a method for jointly treating stalks by steam explosion and microorganism fermentation, comprising the following steps of: firstly, carrying out steam explosion pretreatment on the stalks to obtain exploded stalks; then preparing spore seed liquid: inoculating aspergillus oryzae or trichoderma Koningi to a PDA (Potato Dextrose Agar) culture medium, standing and culturing for 3-5 days at the temperature of 28-32 DEG C, and preparing the spore seed liquid with the concentration of 106-108 per mL; and finally carrying out microorganism fermentation: uniformly mixing 18g of exploded stalks, 2g of bran and 30mL of mineral element nutrient solution, adjusting pH to be 7.0 with Ca(OH)2, sterilizing for 15min at the temperature of 121 DEG C and the pressure of 0.15MPa to obtain a solid fermentation medium a, inoculating the spore seed liquid according to 2-4% of inoculum size, and culturing the spore seed liquid for 5-7 days at the temperature of 28-32 DEG C. The fermentation stalks obtained by utilizing the method have low content of lignose, cellulose and hemicellulose and high activity of filter paper carbohydrase, CMC (carboxymethyl cellulose) enzyme, amylase and protease.

The invention belongs to the technical field of fungus cultivation, and in particular relates to a lentinula edodes strain and an application thereof in a lentinula edodes cultivation method. The biological preservation number of the lentinula edodes strain is CGMCC No:12501. The application of the lentinula edodes strain in the lentinula edodes cultivation method is characterized by specifically comprising the following steps: (1) preparing nutrients; (2) conducting bagging and sterilizing; (3) conducting inoculating; (4) culturing fungus bags; and (5) conducting fruiting management. Stipes are white and grow from the middle, the stipes are 2-4.5cm long and 1.4-1.9cm in diameter; and gills are thin and white, with lightly white spore prints. Lentinula edodes is high in yield, and 5-6 turns of lentinula edodes can be produced. A biological efficiency can reach 93.2% or above, which is 9.6% above that of control lentinula edodes SD-1.

Disclosed is a method for preparing pleurorus geesteranus compost. The method for preparing the pleurorus geesteranus compost comprises the steps that sieving, impurity removing and heap building are conducted on mulberry saw dust; quick lime powder is scattered on the surface of the saw dust and a thin film covers the quick lime powder for warming; other raw materials are weighed and mixed with the mulberry saw dust, and the compost are placed into plastic bags; sterilization is conducted after bagging, then inoculation is conducted, the plastic bags are placed back into a room to be cultured for fungus sprouting, and after fungi grow everywhere inside the bags, the fruiting stage starts; picking is conducted before the color of mushroom caps fades and spores shoot off. According to the method for preparing the pleurorus geesteranus compost, the mulberry saw dust is used as the main component of the pleurorus geesteranus compost, the prepared compost has the advantages that nutrition is sufficient, fungus spouting speed is high, the number of fungi is large, the pleurorus geesteranus quality is good, the pleurorus geesteranus growing density is large, pleurorus geesteranus growing power is strong, the yield is high and the disease-prevention performance is good. In addition, the compost is low in price, materials are easy to obtain, prescription and the preparation method are simple, and the compost is applicable to mass production.

The present invention relates to a method for display of proteinson spore surface and a method for improving protein with rapidity using the same, which comprises the steps of (i) preparing a vector for spore surface display comprising a gene construct containing a gene encoding spore coat protein and a gene encoding a protein of interest, wherein, when expressed, the gene construct expresses a fusion protein between the spore coat protein and the protein of interest, (ii) transforming a host cell with the vector for spore surface display; (iii) displaying the protein of interest on a surface of a spore of the host cell; and (iv) recovering the spore displaying on its surface the protein of interest.

The invention discloses a trichoderma spore powder as well as a preparation method and application thereof. The trichoderma spore powder contains trichoderma spore powder and a drying aid, wherein the trichoderma spore powder is the spore powder of Trichoderma sperellum T1 which is preserved in the general microorganism center of CCCCM (China Committee for Culture Collection of Microorganisms) and has the preservation number of CGMCC NO: 3531 and a rDNA ITS region segment sequence shown in SEQ ID NO:1; the drying aid is one or more of beta-cyclodextrin, potato starch and soluble starch. The trichoderma spore powder has an effective prevention and control effect on banana vasicular wilt, and has a remarkable antagonism effect on various pathogenic funguses, especially on soil-borne funguses. The preparation time is saved with the preparation method of the trichoderma spore powder, which can be used for preparing the trichoderma spore powder which has high density, high germination rateand high drying efficiency and is easy to store, transport and use.

The invention provides a talaromyces flavus, and also relates to the application of the talaromyces flavus in the inhibition of a variety of plant pathogens. The preservation number of the talaromyces flavus qw12 is CGMCC5067, the talaromyces flavus colony is round, the texture is flocculent and fluffy or flocculent, and the front of the colony is yellow; the conidiophores have penicilli, and the spore is spherical; the primordium is nearly cylindrical, big and curved; the gymnothecium is spherical or nearly spherical, the ascus is spherical, and the ascospore is spherical or nearly sphericaland unicellular. The antagonistic bacterium provided by the invention can effectively inhibit the growth of valsa sordida, rhizoctonia solani, corn sheath blight fungi, curvularia lunata, colletotrichum gloeosporioides, fusarium graminearum, alternaria alternate, cryphonetria parasitica, colletotrichum nicotianae and other plant pathogens, effectively prevent plant diseases, reduce the dosage of chemical pesticide and the accumulation of the chemical pesticide in soil and help to increase the quality and yield of economic crops in China, and therefore economic and social benefits are remarkable.

The invention discloses Paecilomyces lilacinus FZ07-9F-5 CGMCC No.2780, microbial inoculum and application thereof. The microbial inoculum is wireworm killing biological microbial inoculum with slow application function, which is prepared by the following steps: using a macromolecular material, namely sodium alginate as basic skeleton, using mycelium and spore mixture of P. lilacinus FZ07-9F-5 CGMCC No.2780 as active components, using infusorial earth as a carrier, and adopting a method of sodium alginate-calcium chloride reaction according to the characteristic of forming gel by the sodium alginate and polyvalent cations to be prepared into the microbial inoculum. Proved by experiments, the microbial inoculum has better wireworm killing efficacy, has control ratio up to between 50 and 60 percent, is comparatively stable, has no noxious chemical residues (innocuous and non-residue), does not pollute agricultural products and environment (does not react with other substances in the environment), and has the characteristics of high cost performance and convenient application. The microbial inoculum plays an important role in control of wireworm diseases of plant roots and knots, and has wide application prospect.

The present invention provides methods to engineer microorganisms for the production of C₃₀-aldehyde carotenoids. Specifically, various combinations of crtM, sqs, crtN and crtN2 genes from Staphylococcus aureus and Methylomonas sp. 16a can be co-expressed in transformant hosts, leading to the production of diaponeurosporene monoaldehyde, diapocarotene monoaldehyde, and/or diapocarotene dialdehyde. In a preferred embodiment, the genetically engineered pathway is introduced into a strain of Escherichia coli that has been engineered for the expression of carotenoids, and the C₃₀-carotenoid product is diapocarotene dialdehyde.

A method for treating silage to enhance aerobic stability by inhibiting growth of microorganisms selected from yeasts, molds and spore-forming bacteria is disclosed. The method comprises treating silage or feed with a composition comprising Lactobacillus buchneri, LN 1326, or the antimicrobial components produced thereby. The strain of Lactobacillus buchneri disclosed in the invention has been purified and isolated and has been found to be nontoxic, safe and able to improve aerobic stability of silage.

The invention provides a rapid multi-target property polymerization breeding method for rape, belonging to a plant breeding method, and comprising the following steps of: selecting excellent breeding target properties requiring to be polymerized, preparing single-cross combinations at room temperature in winter locally, preparing multi-parent complicated cross combinations in summer at different places, and assembling and polymerizing the multiple parents with excellent target properties based on the breeding requirements; performing microspore seedling cultivation on the complex filial generation for which multi-target property breeding restructuring polymerization is already realized, constructing a dihaploid (DH) breeding group, and realizing rapid fixation and homozygosis of the target genotypes of the generation of the multi-target property polymerization; and performing effective field and indoor identification and screening on the target genotypes of the generation for which the multi-target property polymerization is realized based on the property characteristics, performing molecular marker assistant selection on important target properties, and breeding new materials conforming to the breeding targets.

The invention relates to a preparation method of trichoderma multifunctional soil modifying agents. The preparation method comprises the steps that: trichoderma harzianum SH2303 with the CGMCC (China General Microbiological Culture Collection Center) NO. 4963 is cultured on a potato dextrose agar (PDA) culture medium for 2 to 3 days, a bacterial cake is punched by a hole puncher with the diameter being 5mm, the bacterial cake is inoculated into a seed culture medium for 5 to 7 days at the bacterium inoculation quantity of three tablets per bottle and is then inoculated into a spore production culture medium, the fermentation is carried out for 5 to 7 days under the optimized culture condition in a 300 L fermentation tank, and the number of thick-wall spores is (6 to 7)*10<8>/mL; and fermenting liquid and carriers are mixed according to the weight ratio of 1:1, the secondary open type solid fermentation is carried out for 5 to 7 days at the normal temperature, and the number of trichoderma conidiospores and chlamydospores is 200 to 500 million/g. The soil modifying agents prepared by the method have the main purposes of improving the primary and secondary salinization of vegetable planting soil and degrading the organic phosphorus pesticide residue soil, and have the effects of treating soil-borne diseases, promoting the crop growth and improving the crop yield. Because only one trichoderma strain is utilized, the fermentation process is easy to optimize, the microbial inoculum preparation cost is low, the commercial large-scale popularization is easy to realize, and high field general use values are reached.

The invention discloses an isaria fumosorosea oil suspending agent and a preparation method as well as application thereof. The oil suspending agent is prepared from the following components in mass percent: 1-40% of isaria fumosorosea spore suspension, 1-20% of vegetable oil, 3-8% of emulsifying agent, 0.1-5% of dispersing agent, 1-5% of stabilizing agent, 1-5% of anti-freezing agent and the balance of inert mineral oil or aromatic hydrocarbon solvent. The spore of the isaria fumosorosea oil suspending agent disclosed by the invention has long survival time, and the germination rate of the spore which is stored for 2 years is 80%; the isaria fumosorosea oil suspending agent has good ageing stability and is safe to crops and environments; and the isaria fumosorosea oil suspending agent is mainly used for pest control of crops including fruit trees, vegetables, wheat, rice, flowers and the like, and especially has an obvious effect on controlling myzus persicae, whiteflies, cabbage caterpillars, cabbage moths and the like.

The invention discloses a biological soil remediation agent which is prepared by mixing a solid passivator and a microbic solution according to the volume-weight ratio of 1:(15-30) (L/kg). The solid passivator comprises the following ingredients in percent by mass: 50-60 percent of clay carrier, 15-30 percent of diatomite, 10-15 percent of humic acid and 10-20 percent of charcoal. The microbic solution comprises a non-spore forming bacterium and streptomyces microflavus. The biological soil remediation agent can be used for remediating a soil ecosystem, improving the crop growth environment, effectively passivating heavy metal pollutants, such as lead, and reducing the availability for plants.

The preparation method of natamycin belongs to a technique for producing and extracting natamycin by using luteofuscus spore streptomycete as strain and adopting fermentation process. It includes the following steps: adopting luteofuscus spore streptomycete, preparing spore suspension liquor, culturing seed, making femrentation, extracting, controlling pH value and dissolved oxygen level, and adopting glucose-feeding mode in batches in the period of fermentation to prepare natamycin. In order to raise its yield, adopting low-temp. evaporation methanol-removing process to extract natamycin.

The invention discloses a polysporus trichoderma (Hypocrea pachybasioide) FSR-97 strain, wherein the preservation unit is China General Microbiological Culture Collection Center, the preservation date is 19, September, 2014 and the preservation number is CGMCC No.9691. The strain is cultured on a potato dextrose agar culture medium (PDA) plate at 25 DEG C and rapidly grows, and a monospore is germinated to form a white bacterial colony; the colour on the back surface of the bacterial colony is transited from colourless to yellow. The polysporus trichoderma (Hypocrea pachybasioide) FSR-97 has an effective broad-spectrum antibacterial effect on the main pathogenic bacteria causing the panaxginsen fusarium rot, epidemic disease, sclerotiniose, root rust rot, black spot, rhizoctonia solani, and botrytis. The invention further discloses a plurality of biocontrol mechanisms of the polysporus trichoderma (Hypocrea pachybasioide) FSR-97 for preventing and controlling the plant fungous disease, and an application for preparing a microbial preparation to prevent and control the plant fungous disease.

The invention relates to a culture method of a fungus capable of poisoning plant parasitic nematodes, and a preparation method of a metabolite thereof and application thereof, and belongs to the technical field of microbial pesticides. A fungus strain (Aspergillus niger Y-61) related in the invention was collected in China General Microbiological Culture Collection Center on August 7, 2008, and the collection number is CGMCC No.2631. The taxonomic status of the Y-61 is a mitosporic fungus, hyphomycetes, moniliales, moniliaceae, aspergillus and aspergillus niger. The fungus metabolite is prepared by liquid fermentation and culture, has outstanding characteristics of high toxicity to the plant parasitic nematodes, especially root-knot nematodes, and has obvious nematodes killing effect; and the influence of the strain fermentation broth on Meloidogyne incognita juveniles (J2) and oocyst hatching is determined indoors. Treatment of the fermentation broth with different diluted concentrations is significantly different from the aseptic water treatment, and the preventive effect of the fermentation broth with less than one-fifth concentration is be equivalent to that of 10mug/ml of cadusafos. The fungus has good application and development prospects.

A method for identifying rice blast resistance of rice comprises the steps of scissoring three rice stems in a large bract period from a rice growing field, bringing the rice stems back to a laboratory, scissoring 2cm from the upper portion of each stem section and 5-6cm from the lower portion of each stem section to obtain one rice stem with the whole length of approximate 7-8cm, putting the three rice stems into culture dishes with two layers of filter paper, adding sterile water of 1mL into each culture dish, washing cultivated rice blast fungus spores with the sterile water, obtaining concentration of 106 pcs/ml, dropping spore suspending liquid of 8 muL to stem section sites of each rice stem through a liquid moving gun, putting the culture dishes into a illuminating incubator at the temperature of 26 DEG C, wrapping the culture dishes with transparent films to keep humidity in the culture dishes, cultivating for ten days in light and dark alternating modes to survey disease conditions, dividing survey disease levels into three levels, regarding the first level as disease-resistant cultivars, regarding the second level as susceptible cultivars, and regarding the third level as highly susceptible cultivars. The method optimizes the concentration and inoculation amount of inoculated rice blast fungus spores and establishes simple, convenient and accurate grading standards.

The present invention provides unique technology, systems and methods of cultivating different types of seaweeds, including, but not limited to, Porphyra (Nori), Laminaria, Undaria, Eucheuma, Gracillaria, Ulva, Sargassum, Codium, Cladophora, Ascophyllum, Palmaria, Furcellaria, Fucus or Enteromorpha, in land-based seawater ponds having a climatically suitable and nutrient controlled environment. These land-based ponds may be built in any part of the world with structural engineering and architectural modifications. The land based units for cultivation of seaweeds comprise phycological laboratory facilities, U-shaped sleeves, to allow the maturation of the sporelings; growth tanks, U-shaped cultivation tanks, a plurality of small inoculation tanks aerated with air, and a harvesting unit.

The invention provides a preparation method of Mythic Fungus spore oil. The preparation method comprises the following steps: carrying out wall breaking on Mythic Fungus spores and sporophores as a raw material, screening, granulating, carrying out supercritical extraction, and collecting to obtain the Mythic Fungus spore oil; and mixing the Mythic Fungus spore oil with ingredients, and carrying out a series of technologies to prepare a Mythic Fungus spore oil softgel. The Mythic Fungus spore oil extraction method provided by the invention has the advantages of wide range of suitable raw materials, simple technology, convenient operation and easy implementation; and the Mythic Fungus spore oil softgel prepared by using the Mythic Fungus spore oil extracted through the method is convenient to carry and administrate, and can promote absorption.

The invention discloses a paenibacillus polymyxa of which the preservation number is CCTCC NO.M2015059 and an application of the paenibacillus polymyxa. The bacterial strain is capable of effectively inhibiting germination of fusarium graminearum spores and growth of hypha, inhibiting generation of fusarium toxin, and degrading generated zearalanel toxin; no toxic by-product is generated in the process of solving toxin pollution; secondary pollution does not exist; and the paenibacillus polymyxa can be used for preventing wheat scab, reducing the content of wheat DON toxin and zearalenone, and degrading the zearalenone in grains or feeds.

This invention discloses a method to produce immobilized cells. The steps are as follows: Preparation of Spongiform vines, that is vines Spongiform fiber is got after the skin of dried mature vines is removed, then cut it into disk, put into boiling water and wash with water, immerse in distilled water, then dry the full immersion of the cavernous disc; Preparation of spores, inoculate the Trichoderma into the slant medium, cultivate at 20-40 degree C for 3-5 days, the spores are prepared for reservation; Preparation of the bacterial suspension, the spore suspension is prepared using the normal saline; Immobilization of the cells, inoculate spore suspension into medium and the Spongiform disk which are conducive to germination of mycelia in conical flask, immobilized cells are gained after cultivation at 20-30 degree C for 2-3 days at 100-200rpm. The advantages of the invention: high porosity of Spongiform vines, not dense entanglement generated about the immobilized mycelium, efficient adsorption of heavy metals in wastewater; Spongiform vines are natural porous fibers, don't contain harmful substances, and don't cause secondary pollution to water.

The invention discloses a method for producing polypeptide antibiotics nosiheptide through fermentation. The method comprises the following steps of: inoculating streptomyces actuosus to a slant culture medium for carrying out slant culture; inoculating an obtained slant with spores to a seed bottle to culture a seed solution; inoculating the seed solution to a fermentation culture medium for carrying out fermentation culture according to an inoculation quantity of 10 wt%; and further treating the fermented fermentation liquor to obtain nosiheptide crystals. The nosiheptide is produced by adopting a fermentation method. The method is simple and easy and is low in production cost. The polypeptide antibiotics nosiheptide produced by adopting the method can be used as a safe, high-efficiency and environmental-friendly novel feed additive.