Watermelons caused by climate and other factors do not sit.

(agricultural get Rich Network) the reasons for not sitting melon caused by climate and other factors: first, poor flower bud differentiation. There are male flowers without female flowers or female flowers without male flowers, or male flowers can not dehiscence normally, no pollen or low pollen fertility. Second, the influence of Rain Water. In the flowering period, when it rains on cloudy or rainy days, there is much water, weak light and untimely management, which affect normal pollination and fertilization. Third, the activity of pollen decreased. Watermelon male flower pollen is easy to dry and lose water, lose activity, and can not be pollinated and fertilized.