What are the main pests in planting Salvia miltiorrhiza

What are the main pests of planting Salvia miltiorrhiza? Please introduce the main pest control methods of Salvia miltiorrhiza: Spodoptera litura, cotton bollworm, aphids, grubs and so on. First, the control methods of cotton bollworm. 1. Spray 25% insecticidal amidine 500 times solution at budding stage. 2. Tie up poplar branches and trap them in the field. 3. Release Trichogramma, lacewings and other natural enemies. Second, the control methods of Spodoptera litura. 1. Hang black light to trap and kill adults. 2. Spray 1000 times of 90% trichlorfon or 50% phoxim EC at young age. Once every 7 days, spray 2 times 3 times in a row. Third, the methods of aphid control. 1. 10% imidacloprid wettable powder 1000 times liquid spray 2, spray 40% dimethoate 1500 times 2000 times or 5% fenitrothion 1000 times 2000 times for control, 7 times every 10 days, spray 2 times 3 times. Fourth, grub control methods. 1. Apply fully mature organic fertilizer. 2. Hang black light or horse lantern in the field to trap and kill adults. 3. During the occurrence period, the roots were irrigated with 1000 times solution of 90% trichlorfon or 75 times of phoxim. Click to get more planting techniques of Salvia miltiorrhiza