近年来,我省葡萄生产发展很快,但因我省高温多湿,环境障碍大,病虫害严重,使各地栽植的葡萄常出现叶片破损、早衰和干枯脱落等现象,造成7月中旬后植株较长期处于少叶的饥饿状态,对葡萄的生长非常不利。因 In recent years, the province’s grape production has developed rapidly, but due to high temperature and humidity in our province, environmental barriers, pests and diseases seriously, so that the planting of vines often appear leaf damage, premature aging and dry off phenomenon, resulting in mid-July plants more long-term In the less hungry state, the growth of the grape is very negative. because