在果树病虫害防治过程中,由于施用农药浓度过高、用药量过大、施用时期与方法不当、混配农药不合理等原因,容易导致果树发生药害。发生药害后,应根据药害产生的 In the fruit tree pest control process, due to the application of pesticide concentration is too high, the dosage is too large, the application of improper methods and methods, pesticides and other unreasonable mix, easily lead to phytotoxicity in fruit trees. After the occurrence of injury, should be based on the resulting injury