1、在黄瓜幼苗期,适当用烟熏1-2次,可使黄瓜少开雄花,多开雌花,从而多结瓜。 2、用100-200×10-6的乙烯利溶液,于黄瓜幼苗有2-4片叶时喷布1次,能使主蔓10-20节内多开雌花,从而多结瓜。 |
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