Composite attractant of bactrocera dorsalis hendel
A Bactrocera dorsalis and attractant technology, applied in the direction of attracting pests, biocides, animal repellants, etc., to achieve the effect of cheap and easy-to-obtain raw materials, simple formula and good effect
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[0028] Preparation of complex hydrolyzed protein:
[0029] (1) The hydrolyzed substrate soybean protein and brewer's yeast protein are mixed in a weight ratio of 1:3. Add water and stir to form a hydrolyzed substrate solution.
[0030] (2) Add acid protease (referring to the optimum pH value of the enzyme is 3) to the above hydrolyzed substrate, the solid-liquid ratio of the added amount to the hydrolyzed protein substrate solution is 1:10, and the acid protease activity is preferably 5000U / g.
[0031] (3) Add acid protease to the hydrolyzed substrate and hydrolyze it at 50°C for 2 hours to obtain a hydrolyzed product. The final pH value of the product is 3.5~4, or the pH value can not be adjusted.
[0032] (4) Add 0.5~2.0 parts by weight of preservative to the above hydrolyzate (the hydrolyzate is calculated as 100 parts by weight, if the hydrolyzate is 100g, add 0.5~2.0g of preservative), add spinosad Spinosad 0.01~0.1 parts by weight. Finally, the composite hydrolyzed pr...
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