The level of cucumber production is determined by the number of female flowers, then how to increase the number of cucumber female flowers, there are the following three methods:
1 Ethephon treatment: In the true leaf stage of cucumber seedlings, 100 mg/L ethephon was used to spray cucumber plant growth points, and sprayed once a week later. Each time the amount was moistened with the leaves.
2Short-day treatment: Shortening light can increase female flowers. Specific approach: In the cucumber seedling stage, the use of shade nets, black paper, straw and other shade on the scaffold shade, the daily sunshine control in 9 hours.
3 Low-temperature treatment: 10-30 days after cotyledon development, low temperature treatment, and maintain a large temperature difference, night temperature 14-15 °C, temperature 25-28 °C, and the sun through the cover to control the sunshine hours in about 8 hours, Increasing phosphate fertilizers in nursery soils can promote the differentiation of female flowers.
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