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枇杷如何预防冻害
更新时间： 2022-03-14 11:00:41  

1、灌水覆膜。低温来临前在园内灌水，可提高抗寒力。还可覆盖地膜，以起到保温、保湿、保肥和保护地下根系的作用。

2、树干涂白。12月中下旬将主干和大侧枝涂白，缩小昼夜温差，避免树皮冻裂，可增强抗寒力。

3、熏烟防霜冻。有霜冻时用烟熏的办法防止霜冻，尤其是要注意枇杷花的霜冻预防。

4、用果树专用防冻剂。冻害来临前喷施植物细胞分裂素和果树防冻剂是提高枇杷花和幼果的防冻能力。

关键词： 枇杷 如何 预防 冻害

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