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1．喷施乙烯利。在黄瓜苗1~3叶时，用万分之一至万分之十五的乙烯利溶液叶面喷施，7天后再喷施一次，可以诱导雌花分化，提早结果，并具有显著增加黄瓜早期产量和总产量的作用。同时加强水肥管理，辅助人工授粉。2．喷施赤霉素。开花后2－3天，用万分之二的赤霉素溶液叶面喷施?
1. Spraying ethephon. In cucumber seedlings 1 to 3 leaves, with ten thousandths to fifteen ten thousandth of the ethephon solution foliar spray, spraying again after 7 days, you can induce female flower differentiation, early results, and has significantly increased the early cucumber The role of output and total output. At the same time to strengthen water and fertilizer management, supporting artificial pollination. 2. Gibberellin spray 2-3 days after flowering, with two ten thousandths gibberellin solution foliar spray?