Bacillus subtilis preparation and preparation method thereof
A Bacillus subtilis and seed technology, applied in the field of agricultural biology, can solve the problems of not being able to fully and effectively adapt to the external environment, reducing the efficacy, and not having enough viable bacteria.
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Embodiment 1
[0041] Example 1 Preparation of Bacillus subtilis liquid preparation-L1
[0042] 1) Primary slant culture of Bacillus subtilis: The Bacillus subtilis with the preservation number ACCC10619 purchased from the China Agricultural Microorganism Culture Collection Management Center was used as the starting strain. Bacillus subtilis ACCC10619 was inoculated on the first-grade slant medium by conventional methods, and cultured at 30°C for 24 hours to obtain a single colony of first-grade Bacillus subtilis; the medium was a mixture prepared according to the following ratio and ingredients: beef soak Cream 5.0g, soybean peptone 15.0g, yeast extract 5.0g, sodium chloride 5.0g, glucose 10.0g, agar 20g, distilled water 1000mL, pH 7.0;
[0043] 2) Secondary liquid culture of Bacillus subtilis: Inoculate the single colony of the first-grade Bacillus subtilis cultivated in step 1) into the secondary culture medium by a conventional method. Cultivate under the condition of dividing for 15 ho...
Embodiment 2
[0046] Example 2 Preparation of Bacillus subtilis liquid preparation-L2
[0047] 1) Primary slant culture of Bacillus subtilis: The Bacillus subtilis with the preservation number ACCC10619 purchased from the China Agricultural Microorganism Culture Collection Management Center was used as the starting strain. Bacillus subtilis ACCC10619 was inoculated on the primary slant medium by conventional methods, and cultured at 28°C for 36 hours to obtain a single colony of primary Bacillus subtilis; the primary slant medium was prepared according to the following components and ratios The mixture: beef extract 15.0g; soybean peptone 15.0g; yeast extract 5.0g; sodium chloride 5.0g; glucose 10.0g; agar 30g; distilled water 1000mL; pH 7.4;
[0048] 2) Secondary liquid culture of Bacillus subtilis: inoculate the single colony of the first-grade Bacillus subtilis cultivated in step 1) into the secondary culture medium by a conventional method, with a liquid volume of 200mL / 500mL, at 28°C a...
Embodiment 3
[0051]Embodiment 3 prepares bacillus subtilis liquid agent-L3
[0052] 1) Primary slant culture of Bacillus subtilis: Bacillus subtilis with the preservation number CGMCC11508 obtained from the China General Microorganism Culture Collection and Management Center was used as the starting strain. Bacillus subtilis CGMCC11508 was inoculated on the primary slant medium by conventional methods, and cultured at 36°C for 20 hours to obtain a single colony of primary Bacillus subtilis; the primary slant medium was prepared according to the following components and ratios The mixture: beef extract 5.0~15.0g, soybean peptone 10.0g, yeast extract 5.0g, sodium chloride 5.0g, glucose 10.0g, agar 25g, distilled water 1000mL, pH 7.5;
[0053] 2) Secondary liquid culture of Bacillus subtilis: inoculate the single colony of the first-grade Bacillus subtilis cultivated in step 1) into the secondary culture medium by a conventional method, with a liquid volume of 150mL / 500mL, at 36°C and 200 rpm...
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