Cucumber Female Flower Induction
隐藏域元素占位
Cucumber Female Flower Induction
Application of Regulators for Cucumber Female Flower Induction
Ethephon
In autumn cucumber, spray seedlings with 100-150mg/L ethephon solution during the extension period of 4 true leaves, and spray 200-250mg/L once in 1-leaf 1-heart stage and 2-leaf 1-heart stage for summer cucumber or cucumber with vigorous growth. Ethephon liquid can induce the production of female flowers and inhibit the formation of male flowers, which is beneficial to increase production. (Note: Ethephon induces cucumbers to produce female flowers, which is not suitable for early-maturing cucumber varieties, because the early-maturing varieties have early female flowers and a large number of female flowers, and the induction effect of ethephon is not significant; when using, the spraying period and application concentration should be mastered to prevent overdose. Causes the plant to be dwarfed, the fruit becomes smaller, and the quality declines. If the plant is full of female flowers without male flowers, it is not conducive to the pollination and fertilization of cucumbers. In production, use ethephon on both sides, and do not spray ethephon in the middle, which is convenient for wind, insects and artificial pollination)
Naphthalene acetic acid
When the cucumber has 1-3 true leaves, spraying with 5-10mg/L naphthalene acetic acid can increase the proportion of female flowers.
Gibberellic acid
When there were 2-6 true leaves, 50-100 mg/L gibberellic acid was sprayed 3 times, which induced the largest number of male flowers and the highest male-to-female ratio.
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