Botanical compound meloidogyne incognita insecticide and preparation method thereof
A technology of root-knot nematode and insecticide, which is applied in the field of botanical pesticides, can solve the problems of large environmental impact and few species of biocontrol microorganisms, and achieve the effects of good poisoning effect, delaying drug resistance and environmental friendliness.
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[0016] (1) Clean the whole plant of Breaking Bowl Flower, Deer vine root, Chrysanthemum chrysanthemum leaves, Licewort and Houttuynia cordata, dry in a blast drying oven at 45°C until constant weight, and crush with a multifunctional pulverizer , through a 60-mesh sieve, and set aside;
[0017] (2) Take 5g of the broken bowl flower flower, deer vine root, chrysanthemum leaf, lice grass and houttuynia cordata powder prepared in step (1) and add them to the triangular flask according to the mass ratio of 4:5:3:3:2, and add 100mL of distilled water, placed on a shaker for 12h, rotating speed 180r / min, temperature 35°C, filtered with gauze to obtain the mother liquor of compound insecticide, the concentration is recorded as 50g / L;
[0018] (3) Dilute the mother liquor prepared in step (2) in order to obtain 12.5g / L, 6.25g / L, 3.125g / L, 1.5625g / L, 0.78125g / L, and place in a 4°C refrigerator for later use.
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