农药对植物的损害分为急性和慢性两种。急性药害在喷药几小时至数日内即表现出来,如叶片(果实)出现斑点、黄化、失绿、枯萎、卷叶、落叶落果、缩节簇生等。慢性药害得经过较长时间才会表现出来,如光合作用减弱、花芽形成及果实成熟延迟、个小、畸形、风味色泽恶化等。一旦发现果树遭受药害,应立即采取以下措施解救。 Pesticide damage to plants is divided into two kinds of acute and chronic. Acute injury in spraying a few hours to a few days that is manifested, such as the leaves (fruit) spots, yellowing, loss of green, wilt, curly leaves, deciduous fruit, reduced clustering and so on. Chronic injury will take a long time to show, such as weakened photosynthesis, flower bud formation and delayed fruit ripening, a small, deformity, flavor and color deterioration. If it is found that the fruit tree suffered injury, immediately take the following measures to rescue.