葡萄的病虫防治,是获得高产优质的保障,是夺取丰收的关键。应在经济、安全、有效的防治原则下,根据病虫害的发生、发展规律,进行及时有效的防治。 1.春季树液流动 消灭越冬病菌,以减少病源,在葡萄出土后发芽前,彻底喷洒一次5°Be石硫合剂,或40％福美胂100倍液。 2.萌芽至开花期 主要防治 Grape pest control, is to obtain high yield and quality of the security, is the key to harvest. Under the principle of economy, safety and effective prevention and control, timely and effective prevention and control should be conducted in accordance with the occurrence and development of pests and diseases. 1. Spring sap flow to eliminate overwintering germs, in order to reduce the source of disease, before the germination of the grape germination, thoroughly spray a 5 ° Be lime sulfur mixture, or 40% arsenic arsenic 100 times. 2. Germination to flowering of the main control