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桃树被水淹了叶子发黄掉落怎么办
更新时间: 2020-09-18 00:00:00  

1、及早开沟排出园内积水,扶正冲倒果树,设立支柱防止动摇,清除树冠枝干上的披挂物、根际压沙和淤泥,对冲坏的果园梯壁要及时修复,对裸露根系要培土,尽早使果树恢复原状。

2、加强树体保护,积极防治病虫害,对病疤伤口要刮治消毒,消毒剂可用百分之五十多菌灵1份加植物油1、5份混合均匀涂抹病部伤口进行保护。天转晴时甜橙要及时用药剂喷布预防溃疡病和炭疽病的发生,特早熟、早熟或中晚熟温州蜜柑要预防炭疽病的发生,每隔1周连喷二次,药剂选用可杀得1000倍液或绿乳铜800倍液。梨、桃、奈等果树可喷用世高、果太保1000倍液进行预防炭疽病、梨黑星病、奈红点病的发生。

3、扒土晾根,扒开树盘下的土壤,使水份尽快蒸发,让部分根系接触空气,根据天气状况,3天后再重新覆土,以防根系曝晒受伤。

关键词: 桃树 叶子 发黄 掉落 怎么办

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