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...
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. 2. Bundle poplar branches into bundles and place them in the field to trap and kill. 3. Release natural enemies such as Trichogramma and green lacewings for control.
II. Control methods for silver Y moth. 1. Hang black light lamps to trap and kill adults. 2. Spray 90% trichlorfon at 800 times dilution or 50% phoxim emulsifiable concentrate at 1000 times dilution during the young larval stage. Once every 7 days, spray 2 to 3 times consecutively.
III. Aphid control methods. 1. Spray 10% imidacloprid wettable powder at 1000 times dilution for control. 2. Spray 40% dimethoate at 1500 to 2000 times dilution or 5% fenitrothion at 1000 to 2000 times dilution for control, once every 7 to 10 days, spray 2 to 3 times consecutively.
IV. White grub control methods. 1. Apply fully decomposed organic fertilizer. 2. Hang black light lamps or barn lanterns in the field to trap and kill adults. 3. During the occurrence period, drench the roots with 90% trichlorfon at 1000 times dilution or 75% phoxim at 750 times dilution.
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