Some of the earlier sheds of watermelons planted in the sheds will enter the pollination period. How should watermelon pollination be managed and what issues should be noticed when pollinating?
Stay in melon section to choose
Taking Jingxing, a spring planting cultivar, as an example, the first female flower is generally found around the twelfth leaf, and a female flower is also planted every 4 to 5 leaves thereafter. The pollination is generally started from the second female flower, which can not only make the watermelon market ahead of time, but also ensure that the watermelon can obtain higher yield. If the melon section is low, the fruit enlargement will be slow, and the yield will be affected. If the melon section is high, it will be prone to problems such as thick skin fruit and cracked melon, and the time to market will be affected.
Pollination combined with alfalfa
Arched watermelon is generally promoted by artificial pollination to promote melons, but once encountered cloudy days and other conditions, it will miss a flower, seriously affecting the time to market watermelon, artificial pollination can be combined with alum to improve the rate of sitting. Pollination can form seeds, promote the later development of the fruit, improve the commercial nature; while the pod flower can increase the rate of sitting and promote the early growth of young larvae. Both at the same time can promote the early listing of watermelon and increase economic efficiency.
Pollination time should not be too late
Pollination should be conducted in sunny weather as early as possible. From 9 to 10 am, it is the time when female stigma and male pollen are most active in physiological activities. It is also the best time for artificial pollination. If the time is too early, the anther has not yet cracked, male pollen does not have pollen or the amount of pollen is less, pollination quality is lower. At noon, the color of the corolla faded and began to close. The activity of pollen was very low, and the pollen could easily produce a deformed melon. If you are unable to complete the pollination, you can hire someone to make sure pollination is completed before 11 a.m.
Pay attention to anthraquinone concentration
Many farmers nowadays pollinate watermelons, usually by sitting on a guarana flower and artificial pollination with male flowers. Therefore, the concentration of guarana is very critical, and if the concentration is too large, it may cause cracking of the melon. The commonly used sitting cucumber spirit is 0.1% clopidazole, each bag is 10 milligrams, and the water quantity is different at different temperatures. When the temperature is between 13° C. and 25° C., each bag has 0.75 to 1 kg of water; the temperature is 26° C. to 30° C. °C, each bag of water 1 ~ 1.5 kg; temperature above 30 °C, each bag of water 2 kg.
Pay attention to plant protection
The best time for pollination every day is only a short two or three hours, and many melon farmers planting seven or eight acres or even more than ten acres of watermelon are simply too busy to come. Therefore, the melon farmers pay attention to improving efficiency and speeding up the operation when pollinating, but this often results in unnecessary physical damage to the plants. To remind melon farmers, we must pay attention to the protection of plants when pollinating, in particular, do not step on the growth points of plants, otherwise it will affect the normal growth of plants. After pollination is finished, do not spray immediately, so as not to affect pollination quality.
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