果树受水淹后，土壤因积水而缺氧，使根系不能进行正常的呼吸，影响根系的吸收能力，严重的大量根系分生组坏死，甚至由于缺氧，嫌气细菌活跃，产生毒 物使果树中毒而死。树体表现，轻的落叶落果，生长不良，重的整株死亡。据调查，葡萄、枣、柿抗涝性中等。此外，同一树种的不 After flooding the fruit tree, the soil is lack of oxygen due to water accumulation, which makes the root system unable to breathe normally and affects the absorption capacity of the root system. A large number of root meristematic groups are necrotic, and even hypoxia and anaerobic bacteria are active to produce poison Dead fruit trees. Tree performance, light deciduous, poor growth, heavy whole plant death. According to the survey, grapes, jujube, persimmon waterlogging medium. In addition, the same tree species do not