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黄瓜离体子叶培养时，整片子叶培养形成花芽的百分率明显高于切除部分子叶的花芽形成的百分率。切除黄瓜幼苗１／２子叶明显促进黄瓜幼苗去顶芽后直接形成花芽的百分率。纵向切除１／２子叶不利于直接花芽的形成。
When cucumber cotyledons were cultured in vitro, the percentage of flower bud formation in the whole cotyledon culture was significantly higher than that of the cotyledons in excision. Excision of 1/2 cotyledon of cucumber seedlings significantly promoted the percentage of flower buds directly formed after the tops of cucumber seedlings were decapitated. Longitudinal resection of 1/2 cotyledon is not conducive to the formation of direct flower buds.