What is the best time for cotton defoliation?

What is the best time for cotton defoliation? Is the temperature high for spraying, or is the temperature low?

Golden straw hat agricultural experts Kong Fanhong A: It is recommended that when the cotton boll opening more than 70% spray best, high temperature better. Look specifically at the instruction manual of the packaging manufacturer.

Hu Shuxian, user of Golden Straw Hat APP, answers: Before and after spraying, the average daily temperature is higher than 18°C ​​for 3 to 5 days, and the minimum temperature cannot be lower than 12°C.

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