147results about How to "Shorten germination cycle" patented technology

The invention discloses an artificial breeding method for hatching leeches and raising seedlings of leeches, aiming to provide a method for hatching leeches and raising seedlings of the leeches, which has leech hatching rate as high as 95 percent, shortened seedling emergence period and concentrated seedling emergence. The method sequentially comprises the following steps: 1, breed selection; 2, leech breed disinfection; 3, breed input; 4, mating and spawning; 5, cocoon classification; 6, hatching in a hatching room; and 7, hatching and seedling emerging. The invention has shortened seedling emergence period of the leeches and high seedling emergence concentration ratio, is convenient to artificial breeding, ensures the quality and indirectly increases the output of the commodity leeches by 150 kg each mu, enhances the benefit by 2000-3000 yuan each mu, and the like.

The invention discloses a method for cultivating shitake mushrooms by segmental fruiting. The method comprises the following steps of: making bags and inoculating from September to November each year; fruiting and harvesting at the first segment from April to June next year; making the plant dormant in summer from July to August; fruiting and harvesting at the second segment from September to November; stimulating fungus bags during fruiting at the second segment when the minimum air temperature drops to below 23 DEG C in early September to promote the fruiting at the second segment; injecting deep well water at constant temperature of 24 DEG C once to the fungus bags by using water injection needles from 20 O' clock to 7 O'clock next day, wherein the time is controlled to be less than 10S, and a great amount of yellow water seeps from the fungus bags; managing the fruiting after injecting the water; continuously harvesting for 2 to 3 times. According to the method, the two-segment fruiting technology is adopted, two-segment fruiting of the shitake mushrooms from May to June and from September to November is achieved, the yield is improved by 40 percent compared with that of the conventional cultivating method, and the efficiency is increased by 90 percent.

The invention discloses a method for remediating polycyclic aromatic hydrocarbon (PAH) polluted soil through cooperation of alfalfa and complex microbial inoculants. Alfalfa seeds are pretreated, and the plant sprouting period is shortened by 2-3 days, so that the tolerance of the plant to soil containing PAHs is enhanced, and the remediating capacity of the plant on the soil is improved. Besides, in an alfalfa-trichoderma-nodule bacterium combined remediating system, the synergistic effect of trichoderma and nodule bacteria is used for promoting degradation of the alfalfa to the PAHs in the polluted soil. Meanwhile, the physiological contour of the microbial population level of alfalfa rhizosphere soil is changed, and the diversity and the stability of the microbial ecological functions of the soil are recovered, so that the growth environment of crops is improved, and the quality and the yield of the crops are improved; the method has wide market application prospects.

The invention discloses a method for improving preparing efficiency and yield and quality of shiitake sticks, and belongs to the production technical field of edible mushrooms. The method comprises the steps of (1) preparing cultivation inner bags; (2) preparing charge bars: 1) preparing a culture material and packaging the material into bags, and 2) sterilizing the charge bars; (3) inoculating and cultivating mushroom sticks: 1) preparing and inoculating a strain, 2) spawn running and cultivating the mushroom sticks, and 3) performing color change management for the mushroom sticks; (4) performing inducement for fruiting shiitakes, harvesting the shiitakes and changing dampness and the like. Compared with conventional cultivation method, the method has the characteristics of being obviously reduced in labor amount, simple in process and low in bag swelling up rate and stick polluted and rotten rate; the spawn running period is shortened to about 6 days; the average yield can reach 825 g / bag and is increased by 21.86%.

The invention provides a culture medium for improving the bioconversion rate of edible fungi, a preparation method of the culture medium and a cultivation method of edible fungi. The culture medium comprises the following raw materials: 40-70% of cottonseed hulls, 5-15% of corncobs, 1-8% of soybean meal, 10-20% of wheat bran, 5-20% of waste germ bran and 1-5% of calcium carbonate. The culture medium provided by the invention for cultivating edible fungi can apparently shorten fungi growing period, increase the yield, and greatly improve the quality and taste; meanwhile, the waste germ bran is added to reduce environmental pollution caused by abandoning the waste germ bran, also appropriately reduce the dosage of the cottonseed hulls and the wheat bran in ingredients, accordingly reduce preparation costs, and have certain economic applicability.

The invention discloses a method for reducing a sleeping cycle of Paris polyphylla seeds; the method comprises the following operation steps: collecting mature Paris polyphylla seeds; removing skins of the Paris polyphylla seeds; naturally drying the Paris polyphylla seeds for 20 days at 15-25 DEG C; after mixing the Paris polyphylla seeds and soil with water content of 30-40% according to a ratio of 1:3, putting the seeds and the soil in a refrigerator; gradually reducing the temperature of the refrigerator from 20 DEG C at a speed of 4 DEG C per day until the temperature reaches 0 DEG C; placing the seeds and the soil in the refrigerator for 30 days; gradually increasing the temperature of the refrigerator to 20 DEG C; taking out the seeds and the soil and placing the seeds and the soil at 15-25 DEG C for 30 days; repeating the operation again; taking out the Paris polyphylla seeds; and then planting the seeds on a seedling raising bed; covering 2 cm-thick soil on the seedling raising bed; and thoroughly watering the seedling raising bed, so that the seeds are germinated in the soil after 50 days. Through the adoption of the method, the seedling emergence period of the Paris polyphylla seeds is reduced and the germinating rate of the Paris polyphylla seeds is increased.

The invention discloses a planting method for improving the nutritive value of spinach. The planting method includes the following steps: S1, seed pretreatment: beating seeds so as to remove seed coats, repeatedly soaking and rubbing the seeds for 1-3 times to acquire pretreated spinach seeds; S2, germination accelerating of the seeds: covering the pretreated spinach seeds with a bar-shaped article formed by a multi-layer structure, performing germination accelerating treatment to acquire geminated spinach seeds; S3, sowing and seedling raising: embedding a nutriment fertilizer in furrows of a vegetable land, and sowing the germinated spinach seeds in bed surfaces; and S4, field management. The planting method can increase the content of microelements such as Fe and Zn in the spinach, can obtain finished products of the spinach which are fresh and green in color and are regular in leaves, can greatly the nutritive value of the spinach, and has excellent promotion performance.

The invention discloses a method for cultivating black fungus by using a micropore bag. The method includes: punching on a polyethylene plastic bag to obtain the micropore bag, wherein the aperture is 0.2-0.25cm, and the pitch is 3-4 / cm; filling compost in the micropore bag, sleeving a bilayer nonporous bag outside the micropore bag, and performing high-temperature sterilization; inoculating between the material bag and the sleeving bag, and cultivating for fungus growing; and finally removing the bilayer nonporous bag on the outer layer, only retaining the micropore bag, omitting hole pricking, directly arranging on a fungus frame for fungus fruiting, and picking black fungus after fungus fruiting management. The micropore bag improves breathability of a fungus bag and is in favor of increasing fungus growing speed and shortening fungus growth period by 6-8 days. The method of using hole-pricking-free inducement to primordium, directly removing the sleeving bag and arranging on the fungus frame for fungus fruiting is used, so that the problem of proneness to stick rotting caused by heat generated by fungus stick hole pricking is avoided, and the stick rotting rate is lowered by more than 30% compared with that of conventional cultivation.

The invention discloses a Foeniculum vulgare cultivation method. The Foeniculum vulgare cultivation method includes the following steps: a first step, selecting a land, turning up the land, and applying a fertilizer; a second step, soaking seeds of Foeniculum vulgare; a third step, using a drill seeder to sow the processed seeds of the Foeniculum vulgare in the second step to the land covered by amulching film in the first step; a fourth step, watering the Foeniculum vulgare in a day and night alternative manner watering manner after the Foeniculum vulgare germinate, wherein a spraying watering manner is adopted at daytime, and an atomizing watering manner is adopted at nighttime; spraying leaves with a foliage fertilizer during the 2-4 leaf period of seedlings of the Foeniculum vulgare;thinning the seedlings timely after all the seedlings of the Foeniculum vulgare emerge, wherein two parallel Foeniculum vulgare plants should be thinned into a single Foeniculum vulgare plant, the plant spacing is about 5 cm, and seedling thinning and weeding are performed. The Foeniculum vulgare cultivation method can perform management from seed processing, can improve the germination rate of the seeds through scientific processing, can shorten the germination period of the seeds of the Foeniculum vulgare, and can increase the yield of the Foeniculum vulgare; and the foliage fertilizer is applied to the Foeniculum vulgare, thereby promoting microelement absorption of the Foeniculum vulgare and improving the nutrimental value of the Foeniculum vulgare.

The present invention discloses a method for breaking psammophyte Agriophyllum squarrosum seed dormancy and improving germination rate. The method comprises: selecting annual robust, full, undamaged and pest-free Agriophyllum squarrosum seed; soaking the Agriophyllum squarrosum seed for 6-12 h with water with a temperature of 30-40 DEG C under a dark condition, taking out, and carrying out air-drying; carrying out disinfection sterilization for 5-10 min with a 5% sodium hypochlorite solution, rinsing with distilled water, and carrying out air-drying; preparing 0.1-0.2 g / ml of gibberellin GA3, soaking the disinfected Agriophyllum squarrosum seed in the step 3) for 24 h with the gibberellin GA3 under a full dark condition; and placing the soaked Agriophyllum squarrosum seed into a culture dish spread with two layers of filtration paper, adding distilled water to moisten the filtration paper, and placing in a 25 DEG C full-dark constant temperature oven to culture to achieve the germination state. Compared with the method in the prior art, the method of the present invention has the following characteristics that the deep dormancy of the seed is broken, the Agriophyllum squarrosum seed germination rate is substantially increased, the Agriophyllum squarrosum seed germination period is shortened, and the seed germination rate is up to more than 90%.

The invention relates to a seedling growing method for okra. The method includes the following steps that 1, full and complete okra seeds are selected and subjected to primary treatment; 2, the okra seeds treated in the step 1 are subjected to retreatment, and seedling growing is carried out; 3, a seedling growing tray is placed at 15-18 DEG C for treatment of 8-10 h, and then the temperature of the seedling growing environment is raised to 20-25 DEG C till okra germination. By means of the seedling growing method, the germination rate of okra is increased and reaches 95% or above, no hormonal agent is used in the seedling growing process, the safety of okra is improved, and the germination cycle of okra is shortened by 1-3 days.

The invention provides a pawpaw seed germination accelerating method. The method specifically includes steps of disinfection treatment, ventilation seed soaking, constant-temperature germination accelerating and seeding. By disinfecting and soaking seeds, germination rate of the seeds is increased and can be increased by 6-8%, and germination period is shortened by 1-2 days; pawpaws planted by the method are fresh and tender in quality, good in taste and high in nutritional value, the method is simple to operate, planting cost is lowered, economic benefit is increased, and the method is suitable for large-scale production and popularization.

The invention discloses a tomentosa cherry planting method which includes the steps of (1) soil preparation, (2) seed collection and processing, (3) seed germination accelerating and sowing, (4) seedling management and transplanting and (5) management after transplanting. By reasonably processing a seedling cultivating field, a good foundation is laid for the seedling cultivation environment of tomentosa cherries, and it is guaranteed that seedlings smoothly grow. By means of germination accelerating processing of tomentosa cherry seeds before sowing, the emergency period of the tomentosa cherries is shortened, the problem that the tomentosa cherries grow slowly in the common environment is further alleviated, the cultivation period of the tomentosa cherries is shortened, and planting cost of the tomentosa cherries is reduced. Besides, by processing the tomentosa cherry seedlings, the transplanting survival rate of the tomentosa cherry seedlings is increased to a larger extent. Meanwhile, the cultivation time of the seedling stage is also shortened by 1-2 months, production profits of the tomentosa cherries are further improved, planting enthusiasm of planters is stimulated, and conditions are provided for large-area large-scale tomentosa cherry planting and production.

The invention relates to an ultrasound mutation breeding device. A reaction container is arranged on a base and is characterized in that a container cover which is connected in a sealing manner is arranged on the top of a reaction container body; one side wall of the reaction container body is provided with a water inlet and a water outlet arranged above the water inlet; a horizontal ultrasonic transducer set vertical to the central shaft of the reaction container body is arranged at the other side of the reaction container body; a longitudinal ultrasonic transducer set is arranged on the top of the base below the reaction container body; and a sound absorption layer is arranged along the reaction container body and the inner wall of the container cover. Parameters such as ultrasonic power and ultrasonic time of an ultrasonic wave generator are regulated, and temperature in the reaction container body is regulated in real time by applying a temperature control unit, thus exploration on parameters which influence germination of plant seeds is achieved, so that the rate of emergence of the plant seeds is improved, a germination period is shortened, and yield is increased. The ultrasound mutation breeding device disclosed by the invention is novel in structure and easy to operate.

The present invention discloses a konjak glucomannan aqueous gel and its preparation method. It is obtained by using konjak glucomannan aqueous solution and sodium tripolyphosphate and making them be reacted in the presence of sodium hydroxide. Said konjak glucomannan aqueous gel has good biological compatibility and biological degradability, so that it has extensive application range.

The invention discloses a method for cultivating rhizoma polygonati seedlings in greenhouses. The method includes steps of 1), picking ripe rhizoma polygonati fruits; 2), drying the ripe rhizoma polygonati fruits; 3), disinfecting humus soil; 4), preparing mixed media; 5), preparing nutrient media; 6), carrying out cultivating and reproducing by the aid of nutrition cups; 7), planting the rhizoma polygonati fruits in the greenhouses at the internal temperatures of 22-25 DEG C under the control, keeping the greenhouses ventilated, illuminating the rhizoma polygonati fruits for the illumination time of 10-15 hours / day, regularly spraying disinfectant liquid, regularly spraying clear water after the rhizoma polygonati seedlings emerge and illuminating the rhizoma polygonati seedlings for the prolonged illumination time of 15-20 hours / day; 8), only reserving a strong rhizoma polygonati seedling in each nutrition cup when the rhizoma polygonati seedling grows and the height of the rhizoma polygonati seedling reaches 2.5-3.5 cm, and irrigating the roots of the rhizoma polygonati seedlings with potassium fertilizer water with the proportion of 80-150 times before the rhizoma polygonati seedlings are transplanted; 9), transplanting the rhizoma polygonati seedlings. The method for cultivating the rhizoma polygonati seedlings in the greenhouses has the advantages of high reproduction sprouting rate, high survival rate after emergency of the seedlings, few seedlings without rhizomes after emergency of the seedlings, few plant diseases and insect pests, high growth weights of rhizomes of individual plants, short growth cycle and convenience in transportation.

The invention discloses a method for seedling paris polyphylla Smith in high efficiency, and the method comprises the steps of seed selection, pretreatment, first preservation at a low temperature, first enzyme processing, second preservation at the low temperature, second enzyme processing, sand storage, sowing and seedling maintenance. According to the seedling method, the seedling emergence cycle of the paris polyphylla Smith is shortened to 220-270 days; the emergence rate is up to more than 85%; the seedling period is greatly shortened; and the emergence rate of the paris polyphylla Smith is raised. Therefore, a foundation for breeding the paris polyphylla Smith sprouts rapidly and producing in large scale is provided.

The invention relates to a high-yielding planting method for abelmoschus esculentus. The method comprises the following steps: (1) selecting abelmoschus esculentus seeds with full and complete grains, and carrying out pretreatment; (2) retreating the abelmoschus esculentus seeds treated in the step (1), and carrying out seedling raising; (3) carrying out treatment on seedling raising trays for 8 to 10 hours at the temperature of 15 DEG C to 18 DEG C, and then, heating a seedling raising environment to the temperature of 25 DEG C to 28 DEG C until the abelmoschus esculentus is germinated; (4) carrying out transplanting when the height of each abelmoschus esculentus seedling is 15cm to 20cm, carrying out base fertilizer application sufficiently before transplanting, excising top cores of abelmoschus esculentus trunks when the height of each abelmoschus esculentus seedling is 0.8m to 1m, and smearing wounds with a treatment agent; (5) after the abelmoschus esculentus blossoms, uniformly excising 5% to 8% of flowers of the abelmoschus esculentus; and (6) carrying out daily management, and carrying out picking after ripening. According to the method provided by the invention, the germination rate is high, and the yield is obviously increased.

The invention discloses a method for establishing a new lycoris variety 'Taohong' tissue culture rapid-propagation technical system. According to the method, bulb blocks are taken as explants, the explants are disinfected, and the 'Taohong' tissue culture rapid-propagation technical system is established after adventitious bud induction, cluster bud induction, bud hardening, seedling hardening androoting culture, seedling hardening and transplanting steps. Compared with other original species of lycoris, when the rapid-propagation technology system is adopted to cultivate a new lycoris variety 'Taohong', the characteristic is utilized that the new lycoris variety is more resistant to high-concentration plant growth regulators, and the high-concentration plant growth regulators are used atbud induction and bud proliferation stages so that a bud germination period can be shortened, and the bud proliferation efficiency can be improved. By adopting the tissue culture rapid-propagation technology, the propagation coefficient and propagation speed of the new lycoris variety can be greatly improved, and a technical foundation is laid for application and popularization of the new lycorisvariety.

The invention provides a planting method for watermelon in a greenhouse. The cultivation method comprises the following concrete steps: seed germination acceleration, seedling management, management in a rejuvenation period, and field management. The cultivation method for the watermelon provided by the invention has the advantages of rapid growth speed, high yield, good quality, bright red watermelon flesh, sweet and crisp pulp, etc.; and compared with a traditional cultivation method for the watermelon, the method provided by the invention has the advantages of simple process, convenient operation, good economic benefits and great popularizing value.

The invention provides a new high-yield cultivation technology for polyporus umbellatus. By using a special cultivation medium, spraying an armillaria nutrient solution after polyporus umbellatus is placed and erecting a small shed, a shade net and a micro-spray device, the germination time of polyporus umbellatus is shortened, the germination rate is increased, the annual optimum growth time is prolonged, the dependency of artificial cultivation of polyporus umbellatus on geographical conditions and climatic conditions is effectively reduced, and the cultivation period is shortened, so that the artificial cultivation technology for polyporus umbellatus is more suitable for large-area popularization.

The invention discloses a planting method for black walnuts. The method comprises the steps of 1 land preparing; 2 seed collecting and processing; 3 seed germinating accelerating and sowing; 4 seedling managing and transplanting; 5 managing after transplanting. The planting method for the black walnuts has the advantages that reasonable processing is performed on seedling raising land, therefore, a good foundation is laid for the seedling raising environment of the black walnuts, and the smooth growth of seedlings is guaranteed; germination accelerating processing is performed on black walnut seeds before sowing is performed, therefore, the seedling emergence cycle of the black walnuts is shortened, the problem that the growth speed of the black walnuts is low in the general environment is further solved, the cultivation cycle of the black walnuts is shortened, and the planting cost of the black walnuts is lowered; in addition, the black walnut seedlings are processed, therefore, the transplanting survival rate of the black walnut seedlings is improved to a greater extent, the cultivation time of the seedling stage is shortened by one to two months, the productive profit of the black walnuts is further improved, the planting passion of farmer households is inspired, and conditions are supplied for large-area large-scale planting production of the black walnuts.

The invention relates to the technical field of Paris polyphylla var Chinensis breeding, and concretely relates to a rapid breeding method of Paris polyphylla var Chinensis seeds. The method comprises the following steps: seed selection, seed pretreatment, ultrasonic treatment, stratification treatment and seed cultivation. The method which combines the ultrasonic treatment with the stratification treatment realizes the germination of the Paris polyphylla var Chinensis seeds on about 130-170th day, so the germination cycle is shortened; the seed germination rate stably reaches 85% or above, and the emergence rate reaches 85% or more, so the emergence rate is improved; and the method also has the advantages of reasonable technological parameters, simplicity, convenience in operation, low cost, and suitableness for practical production application.

The invention provides a method for increasing a tomato seed germination rate under drought stress. According to the invention, 8-Br-cGMP with appropriate concentration is used for processing tomato seeds, and the germination rate of the tomato seeds under drought stress can be increased. In addition, the invention also provides a seed germination observation device by simulating natural light induction condition, and comparison and form observation of the seeds in a tomato seed germination test are realized. The used 8-Br-cGMP has membrane permeability and high utilization rate, the low-concentration membrane 8-Br-cGMP can obviously increase the tomato seed germination rate under drought stress. The used device has the advantages of simple structure, simple operation and strong repeatability, and can be used for real-time observation of different seed germination conditions, in addition, the processing and repetition of the device are more flexible.

The invention discloses a water planting method for water spinach. The method comprises the steps of seed screening, seed heat shocking-soaking treatment in an H2O2 solution, drip washing by adoptingclean water for germination treatment, sowing, pruning, segmented dilution for water planting and the like. According to the method, dual-treatment of seed heat shocking-soaking treatment in the H2O2solution is adopted for improving the vigor of seeds of water spinach, shortening the germination period and increasing the germination rate; according to the development characteristics of water spinach in the water planting process, the segmented dilution for water planting is adopted for promoting increasing of biomass, the growing period of water spinach is short, the water planting space is fully utilized, and the vegetable yield is increased; the water planting method for water spinach can be applied to culturing of four seasons and suitable for large-scale production; a suitable amountof sodium selenite, methionine and isoleucine is added into a nutrient solution, the content of selenium in water spinach can be improved, and the content of nitrate and nitrite in water spinach is reduced.

The invention discloses a notopterygium root seed processing method and a black mulching film land cultivating method of notopterygium roots. The notopterygium root seed processing method comprises the following steps: uniformly stirring fresh notopterygium root seeds harvested from July 10 to July 31 in current year with arenosols in a mass ratio of 5 to 1, controlling the humidity at 70%, stacking the mixture at an overshadowed environment with air humidity higher than or equal to 80%, turning once in each 7 days, and planting after October 1. According to the notopterygium root seed processing method, the notopterygium root seeds are processed by virtue of arenosols, the primary germination cycle of at least 8 months is shortened to be more than 70 days, and the emergence rate is increased to 75%; by simultaneously planting broad beans in a seed farm, soil nutrients are increased, and the stems of the broad beans can be taken as brackets for the notopterygium roots, so that lodging is prevented, and the quality and the yield of the seeds are increased; and by virtue of techniques of mulching film cultivation and the like, plants originating in cold highland areas are popularized to arid and semi-arid areas with annual rainfalls higher than 500mm, and the popularization area is increased by more than ten times.

The invention relates to a method for shortening the spawn running cycle of bagged cultivated pleurotus eryngii and belongs to the field of pleurotus eryngii cultivation technologies. According to the technical scheme, the method for shortening the spawn running cycle of the bagged cultivated pleurotus eryngii includes the first step of digging holes in a cultivation bag filled with culture materials, wherein the depths of the holes are 1.5-2 centimeters smaller than the height of the cultivation bag, the second step of implanting strip-type microbial strains into the holes, wherein the lengths of the microbial strains are 0.5-1 centimeter larger than the depths of the holes, and the third step of inoculating the microbial strains at the opening of the bag, cultivating the microbial strains at the temperature ranging from 22 DEG C to 24 DEG C for 15-22 days, and finally obtaining the cultivation bag covered with hyphae. The method is used for cultivating the pleurotus eryngii hyphae, and the spawn running cycle is 8-18 days shorter than an existing spawn running cycle.

A method for promoting germination of aged hybrid seeds of sugarcane comprises steps as follows: the plump, non-damage and non-shriveled aged hybrid seeds are selected and wrapped with gauze, the wrapped seeds are immersed in a GA3 solution with the concentration being 100 mg / L-200 mg / L and immersed alternately under the sunlight with the illumination intensity being 3,000 LX for 14 hours and in the dark for 10 hours, and treated sugarcane seeds are obtained; the seeds are cleaned with clear water and put in a culture dish with two layers of filter paper, distilled water is added, the filter paper is kept moist, the sugarcane seeds are wrapped with a preservative film and put in a constant temperature and constant humidity incubator with the temperature being 30 DEG C plus or minus 2 DEG C and the humidity being 60%-90% to be cultured under the sunlight with the illumination intensity being 3,000 LX for 14 hours and in the dark for 10 hours alternately , and germinated seeds are obtained. The operability is high, implementation is easy, the method is less affected by the outside, the germination speed of the aged hybrid seeds of the sugarcane is high, germination is one day earlier than that with a conventional method, the germination rate is high, the seedling height can be remarkably increased, and seedlings grow rapidly and orderly.

The present invention belongs to the field of edible fungus production method, in particular, it relates to an industrial cultivation method of elm fungus. It is characterized by that said invention adopts a liquid inoculation technique and utilizes an industrial cultivation condition to implement industrial production and cultivation of elm fungus. Said method includes the following steps: adding liquid inoculum into sterilized solid culture bag, placing the solid culture bag into a culture room with 25-28deg.C, controlling air relative humidity, making culture for 8-15 days, then placing the solid culture bag into a carposporophyle culture room, controlling temperature and humidity for 5-8 days, in fungus bag primodium-formed position opening, regulating temperature to 18-23 deg, controlling humidity and making it be 94-97%, at the same time making irradiation by using scattered light for 16-20 days, then the carposporophyle can be formed.

The invention provides a method for producing beer vinegar and belongs to the technical field of biological fermentation of foods. The method comprises the following key steps: adopting an intermittent wheat impregnation process (namely the impregnation temperature is 15-30 DEG C, draining and drying once every four hours, ventilating once every two hours, alternately impregnating for 2-3 days until the wheat impregnation degree is 35-50 percent) and a temperature control germination process (namely the germination temperature is 25-45 DEG C, the relative humidity is 65-85 percent, and germinating for 3-6 days) for preparing malts; performing wet grinding, and performing enzymolysis by using 0.01-0.05 percent of complex enzyme SBL-003 (based on dried malts) and 0.01-0.08 percent of complex enzyme SWB-005 (based on the dried malts); and fermenting by utilizing 0.1-1 percent of beer yeasts and 5-20 percent of acetic bacteria propagation solution (the propagation solution has the strain of 7015 and is purchased from the National Culture Collection Center), wherein the total acid content of the bacteria propagation solution is 1.5-2.0 g / 100mL, and finally obtaining the beer vinegar of which the total acid content is more than or equal to 3.8g / 100mL.