球探足球比分直播

如何提高扦插的成活率

点击数:8042017-06-24 10:03:46 

新闻摘要: 怎样提高扦插的成活率? (1)采用好的插条.采条母株要具有品质优良,生长健朗和无病虫害等前提.在统一植株上,要采用当年生中上部朝阳的枝条,条件节间较短、枝叶粗大、芽尖充足.失宜选用行将着花的枝条和徒长枝.在统一枝条上,硬枝插宜选用中下部枝条,而菊花等宜用嫩头部

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