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What are the main insect pests in Danshen (Salvia miltiorrhiza) cultivation?
What are the main insect pests in Danshen cultivation? Please provide an introduction to the control methods. The main insect pests of Danshen are: silver Y moth (Autographa gamma), cotton bollworm (Helicoverpa armigera), aphids, white grubs, and others. Control should adhere to the plant protection policy of prevention first and integrated management. I. Control methods for cotton bollworm. 1. Spray 25% chlordimeform aqueous solution at 500 times dilution during the bud stage...