1套袋时间不对相对来说,葡萄套袋以早为好,但过早也不行,一般在膨大期套。套袋晚的葡萄已感上病菌,喷药也难以全部铲除,仍在袋内繁衍。据试验,膨大期套袋,葡萄烂果率仅为2.5%,而晚套20d(天)时,烂果率为17.8%。2套袋方法不对有人认为套袋葡萄喷药后6d(天)内套完。但据作者多年实 A bagging time is not Relatively speaking, grape bagging as early as good, but not too early, usually in the swollen period sets. Late bagging baggage has been felt on the bacteria, spraying is also difficult to eradicate, still multiply in the bag. According to the test, swelling period bagging, grape rotten fruit rate was only 2.5%, and late sets of 20d (days), the rotten fruit rate was 17.8%. 2 bagging method is not right Some people think that bagged grapes within 6d (days) after the set over. But according to the author for many years