雌花是黄瓜产量形成的基础。生产上,使用乙烯利可使黄瓜雌花增多、雌花着生节位降低,具有促早熟、增产的作用。1 配制浓度要准确 浓度过高,生长缓慢、叶片畸形,甚至落叶落花。浓度过低,则起不到诱导雌花产生的作用。一般叶面喷施浓度掌握在 Female flowers are the basis for the formation of cucumber yield. Production, the use of ethephon can increase the female flower cucumber, female flower abortion reduced, with early maturity, the role of production. 1 preparation concentration to the exact concentration is too high, slow growth, leaf deformities, or even falling leaves. Concentration is too low, it will not play a role in inducing female flowers. General foliar spray concentration at