Cucumber is a male and female flower of the same crop, whether it is more female flowers or male flowers, depending on the environmental conditions to a certain extent. In production, as long as the increase in the number of female flowers can significantly increase production. There are three ways to increase the number of female flowers in cucumber: First, increase the chemical amount with 40% ethephon 250g watered with 50kg in the seedling stage, or with 0.01% sodium naphthaleneacetate solution in cucumber 2 ~ 3 true leaves Spraying can significantly increase the number of female flowers. At the same time, artificial pollination can generally increase production by 17 to 34%. Second, the increase in shade of cucumber is a short-day crop, shorten the light to increase the female flower. Before the formation of cucumber flowers, the use of black paper, straw and other shade on the scaffold shade, the daily sunshine control in 9 hours. Third, increase the moisture and nitrogen fertilizer cucumber seed in the humidity of 80% of the soil than the species in the humidity of 40% of the soil yield more than 1 times. Providing adequate nitrogen fertilizer in the early development of cucumber can also increase the number of female flowers.
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