The medication method using backpack garden sprayers

A, accurate medication A variety of pesticides have residual period certain, invalid. Control frequency according to the occurrence of pests and diseases and insect pests of medicament backpack garden sprayers  period to decide, can receive the good effect. Wind, rain, fog, at noon when the high temperature not spraying, spraying backpack garden sprayers in the morning 10 points before and after 4 p.m.. After spraying rain, after the rain to fill spray. During the spraying should be uniform, fog shoulds not be too big, the spraying of thoughtful, let plants and leaves both sides fully with the medicine, and do not re spraying no leakage, ensure the spraying quality. Two, rotation of medication A region long continuous use of a single pesticide, easy to produce drug resistance, especially in backpack pressure sprayers  insecticides, fungicides, control effect of continuous use will fall sharply. Use backpack garden sprayers for rotation of different pesticides, is delaying pest resistance to produce effective method. Six, mixed use The compound pesticide reasonable mix, can improve the control effect, expand the control object, delaying resistance, labor-saving and time-saving, give full play to the role of backpack garden sprayers pesticide formulation. Although the complex mix of pesticides are of great benefit, but must not be backpack pressure sprayer  combination, because some pesticides can mix, others can not mix. To fully understand the nature and the possibility of pesticide between mixed before use. Pesticide on should not be mixed to use, each time after spraying, to timely cleaning prandi electric sprayer.