1. Spray ethephon: After cucumber produces the first yellow leaf, spray the cucumber plant with 120 mg/L ethephon and spray it once a week. Spraying ethephon can not only increase the number of female flowers, but also control the straight plants and enhance the seedlings.
2. Naphthalene Acetate Sodium Salt: After 2-3 true leaves of cucumber were produced, cucumber plants were sprayed with a 100 mg/l sodium naphthaleneacetate aqueous solution to increase the female flower by 3 times and control the male flower's excessive growth.
3. Spray triiodobenzoic acid: In the cucumber seedling stage, cucumber plants are sprayed with 250 mg/l triiodobenzoic acid solution and 250 mg/l maleic acid hydrazine aqueous solution, which can significantly increase the number of cucumber female flowers and reduce male flowers. In order to achieve the purpose of increasing the yield of cucumbers and increasing economic efficiency.
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