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(一)喷米醋。黄瓜开花至结果期间,喷施三次300倍米醋,节间缩短、叶面增大侧枝增多,霜霉病减轻,单株增瓜7—9%,单瓜增重12%亩增产500—800公斤,(二)喷乙烯利。当瓜秧长到60厘米高时,均匀喷布一次100ppm 的乙烯利水溶液,能增加雌花20%,提高前期产量。(三)喷赤霉素。黄瓜雌花开放时用100ppm 赤霉素喷雌花,可提高座瓜率。(四)喷多效唑。
(A) Spray rice vinegar. Cucumber flowering until the end of the season, spray 300 times three times the vinegar, internodes shortened, increased foliage increased collateral, downy mildew reduced, increased by 7-9% of the single plant, a single weight gain of 12% mu yield 500-800 kg , (B) spray ethephon. When the melon seedlings grow to 60 cm in height, uniformly spray a 100 ppm ethephon solution, which can increase the female flower by 20% and increase the pre-production. (Three) the gibberellin. When the female flower of cucumber is open with 100ppm gibberellic acid spray female flowers, can increase the rate of watermelon. (D) spray paclobutrazol.