A kind of diffusion propagation release method of Heterochromia control aphid
A technology for lady beetle axyridis and Myzus persicae, which is applied in the field of biological control, can solve the problems of time-consuming and labor-intensive host plants, reduced fecundity, unbalanced nutrition, etc., and achieves the effects of convenient management of tobacco seedlings, simple construction and strong mobility.
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[0021] A method for diffusing, multiplying and releasing the heterochromia to prevent and control aphids, the steps of the method are as follows:
[0022] (a) Carry out the propagation of aphids in the diffusion breeding shed, and the diffusion breeding shed is covered with an insect-proof net 7; the tobacco seedlings are cultivated by the floating method, and when the tobacco seedlings have 5 to 6 true leaves, put the aphid-bearing tobacco leaves on the tobacco seedlings and then put the female and male adults of Heterochromatia collected in the field into the insect-proof net, so that the Heterochromia eats Aphid, mates, lays eggs, hatches and develops into larvae, or directly collects young larvae, or After the larvae pupate, the pupae are retrieved to emerge at room temperature, and the emerged adults are fed with aphids and placed in a refrigerator for storage; the aphid-bearing tobacco leaves refer to tobacco leaves with aphids breeding;
[0023] (b) Select healthy young...
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