When planting watermelons, sit with fewer melons. How to pollinate and increase yield?

Male flowers with large and bright flowers, developed anthers, abundant pollen, just opened and good quality should be selected to pollinate female flowers; Most female flowers choose the second female flower, that is, the height of melon is about1m. Generally speaking, there are four female flowers. 5-5. The pollination stem is 5cm long and the transverse diameter of ovary is 2 mm.. This female flower has a large ovary, smooth surface, dense hair, easy to bear fruit and easy to develop into a big melon. Pollination time should be 8- 10 in the morning. However, the pollen survival rate is low in rainy and cold weather, so pollination in this weather is generally avoided or the pollination time is extended to 10- 12. Pollination time is mainly determined by female flowers. Generally speaking, female flowers with yellow pistils appear before sunset the day before and can be pollinated the next morning.

When pollinating, use tweezers to remove the petals of male flowers or turn them upside down to expose the stamens, then gently lift the stems of female flowers to expose the stigma, and gently rub the stamens on the stigma of female flowers to make the stigma covered with pollen. After pollination, tie or mark the pollination date on the node of the pollinated melon to determine the maturity of the melon. In order to clear the mark on this plant, it is necessary to re-select the female flowers for re-pollination. About 7 days after pollination, the melon has been seated, can be fertilized and watered, and at the same time do a good job in pest control. Watermelon is pollinated by hybrid flowers. The petals of male flowers are turned back to expose the stigma, and the female flowers are turned over gently, which can make the pollen uniform and prevent the occurrence of deformed melons. Pollination can form seeds, promote fruit development in the later stage and improve commodity; Dipping flowers can increase the rate of sitting melons and promote the early growth of young melons. The combination of the two can promote the early listing of watermelon and improve economic benefits.

Never pollinate more than one female flower continuously from one male flower, which will lead to insufficient pollen. It is suggested that one male flower pollinates two female flowers to make the female flowers have high fruit setting rate and good fruit quality. If pollination is insufficient, it will easily lead to watermelon turning around. Choose sunny days from 9 am to 10, which is suitable for pollination. Too early, the anther has not cracked, there is no pollen on the flower or less pollen, and the pollination quality is low; When the time is too late, the temperature in the shed increases, the pollen activity decreases, and the pollination and fertilization rate decreases. If the node position of residual melon is low, the fruit expands slowly and the yield is affected; If the node position of honeydew melon is high, it is easy to have problems such as thick skin and melon crack, and the time to market will also be affected. At noon, the corolla turns pale and begins to close, the pollen activity is very low, and deformed melons are easy to produce after pollination. If you can't finish pollination yourself, you can hire someone to finish pollination before 1 1 am.