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桑葉生蟲怎麼去除
桑葉生蟲怎麼去除
更新时间:2024-11-17 04:25:29

  1、葉牡丹易受蚜蟲、紅蜘蛛的危害,可用10%除蟲精乳油2000倍液噴殺。此外,植株應多見太陽,适當的施用肥料,提高其抗病能力。

  2、桑葉牡丹是陽性花卉,應放置在日照長的地方,使其充分接受陽光的照射,在夏季可給予全光照,光照不足易使花蕾落,花朵變小,花色暗淡。

  3、在夏季花期旺時,每天可視氣溫和盆土幹濕情況,澆1~2次水,但要做到幹透澆透,防止因高溫積水而爛根。澆水以早上9點前或下午5點後為佳,盡量減少氣溫與水溫的溫差。中午時分,可向葉面和花盆周圍噴水。

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