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喷洒乙烯利能使黄瓜雌花增多,促进黄瓜早熟高产。我们从1979年至1984年通过多点示范和大面积推广,实践证明,黄瓜喷洒乙烯利具有投资小,见效快,收益大,易操作,一般可提早上市3—5天。前期产量提高18—25%,总产量提高7—18%,亩增产值150元左右。我市每年种植黄瓜2100亩,目前使用乙烯利处理的面积有85%,证实乙烯利对黄瓜早熟丰产确有明显的效果。一、乙烯利对黄瓜的增产作用及经济效益试验用药是北京农药二厂生产的40%液体乙烯利,试验黄瓜品种为棒锤秋,西农58号,151,津研4号和长春密刺。喷洒时期
Spraying ethephon can increase the female flower cucumber and promote cucumber premature and high yield. From 1979 to 1984 through more demonstration and large-scale promotion, the practice proved that the application of ethephon on cucumbers has the advantages of low investment, quick returns, large benefits and easy operation, and generally can be listed for 3-5 days in advance. Pre-production increased by 18-25%, total output increased by 7-18%, mu output value of 150 yuan. Cucumber 2100 acres planted in the city each year, the current use of ethephon 85% of the area, confirmed ethephon on cucumber precocious high yield indeed significant results. First, ethephon on the cucumber yield and economic benefits test Pesticide Plant Beijing is the production of 40% liquid ethephon, cucumber varieties tested for the hammer hammer fall, the No. 58 Nongnong, 151, Jin Yan No. 4 and Changchun stichopus . Spraying time