Answer: The ovary of female flowers in the melon section is large, has many velvety hairs, and the stem is long and thick. It is easy to set fruit, and the fruit is large and the yield is high. On the contrary, female flowers with small petal, small and round ovary, short pedicel, and sparse hairs are not easy to set fruit. Even if they sit and hold fruits, the fruits are small, poor quality and low yield. The male flowers used for pollination should be selected for flowers that are open on the day and have a bright color and a large diameter of the corolla.
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