Spraying 1-3 times during the seedling, growth, and fruiting stages of cucumber, with a concentration of 0.1-1mg/L (0.4-4kg of water per grain), can significantly resist gray mold and increase yield.

       Seedling stage: Treatment with 0.01mg/L (40kg of water per grain) solution can improve the ability of seedlings to resist low temperatures of 7-10 ℃ at night and yellowing of leaves.

 First flowering period: Spraying 0.01mg/L (water per grain) solution 1-2 times can effectively prevent melon ripening and promote fruit setting.