Method for preparing bactericide from bran
A technology of agricultural fungicides and fungicides, which is applied in the directions of fungicides, botanical equipment and methods, and chemicals for biological control, etc., to achieve the effects of no pesticide residues and simple preparation process.
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Embodiment 1
[0013] Utilize bran to prepare the method for fungicide, its step is as follows:
[0014] 1. Ingredients: mix sugar: water = 1:10 until sugar is dissolved in water to form sugar water; Zygomyces bisporus: Bayer combined yeast: Acetobacter xylinum = 0:2.5:2.5 to form a mixed bacteria liquid;
[0015] 2. Fermentation: Mix the sugar water and the mixed bacterial solution in a ratio of 80:1 to form a mixed solution, put the bran into the fermentation tank layer by layer, and spray the mixed solution evenly after each layer until the layer is wet; keep the temperature at 26°C , fermented for 20 days;
[0016] 3. Preparation of bactericide: filter the fermented feed liquid to obtain fermented liquid and solid slag, add sodium hydroxide to the obtained fermented liquid to adjust the pH value to 6, and filter again to obtain flavonoid-containing apigenin, alkyl 5-nonadecyl resorcinol, 5-unacyl resorcinol, 5-tricosyl resorcinol of resorcinols, sugar pentosan, few A mixture of tettos...
Embodiment 2
[0018] Utilize bran to prepare the method for fungicide, its step is as follows:
[0019] 1. Ingredients: mix sugar: water = 1:20 until sugar is dissolved in water to form sugar water; Zygomyces bisporus: Bayer combined yeast: Acetobacter xylinum = 2:4:4 to form a mixed bacteria liquid;
[0020] 2. Fermentation: Mix the sugar water and the mixed bacterial solution in a ratio of 100:1 to form a mixed solution, put the bran layer by layer into the fermentation tank, and spray the mixed solution evenly after each layer until the layer is wet; keep the temperature at 30°C , fermented for 15 days;
[0021] 3. Preparation of bactericide: filter the fermented feed liquid to obtain fermented liquid and solid slag, add sodium hydroxide to the obtained fermented liquid to adjust the pH value to 8, and filter again to obtain flavonoid-containing apigenin, alkyl 5-nonadecyl resorcinol, 5-unacyl resorcinol, 5-tricosyl resorcinol of resorcinols, sugar pentosan, few A mixture of tettosan,...
Embodiment 3
[0023] Utilize bran to prepare the method for fungicide, its step is as follows:
[0024] 1. Ingredients: mix sugar: water = 1:15 until sugar is dissolved in water to form sugar water; Zygomyces bisporus: Bayer combined yeast: Acetobacter xylinum = 3:5:5 to form a mixed bacteria liquid;
[0025] 2. Fermentation: Mix the sugar water and the mixed bacterial solution in a ratio of 90:1 to form a mixed solution, put the bran into the fermentation tank layer by layer, and spray the mixed solution evenly after each layer until the layer is wet; keep the temperature at 28°C , fermented for 18 days;
[0026] 3. Preparation of bactericide: filter the fermented feed liquid to obtain fermented liquid and solid slag, add sodium hydroxide to the obtained fermented liquid to adjust the pH value to 7, and filter again to obtain flavonoid-containing apigenin, alkyl 5-nonadecyl resorcinol, 5-unacyl resorcinol, 5-tricosyl resorcinol of resorcinols, sugar pentosan, few A mixture of tettosan, ...
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