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西瓜在开花坐果期和果实发育期对温度、湿度、光照等条件的要求较为严格。在适温条件下,西瓜坐果期为4—6天,此期间若环境条件不适宜,极易引起落花落果,严重影响产量和栽培效益,成为西瓜生产的主要障碍。
Watermelon fruit flowering and fruit development in the temperature, humidity, light and other conditions more stringent requirements. Under proper temperature conditions, the watermelon fruit set period of 4-6 days, during this period if the environmental conditions are not suitable, can easily lead to falling flowers, seriously affecting the yield and cultivation benefits, a major obstacle to watermelon production.