The cultivation and management of pumpkins is relatively simple, and basically there is no need to manage them. Usually, watering can be done. However, some farmers said that they planted 2 mu of new varieties of pumpkins, but they did not bear the melons. Even if the melons were cut, the pumpkin tasted bitter. For his problems, I would like to share about how to improve the fruit set rate of pumpkins today. High-yield technology and the problem of improving the taste of pumpkin.
First of all, let's first understand the reason why the pumpkin does not bear the knot. Usually, the reason why the pumpkin does not bear the following is the following:
1. High temperature and rainy weather
The growers have such an experience: that is, the pumpkin has the most fruits after the autumn, which is mainly related to temperature. The pumpkin is a heat-resistant and cold-stricken vegetable. It grows rapidly under the hot and rainy weather, which is what the growers say. Pumpkins are long and mad, and the squash is so long that it absorbs a lot of nutrients. The vegetative growth is greater than the reproductive growth. The nutrients originally used for the melons are absorbed by the melons. Even if the melons are slowly removed, the melons will appear. Another problem is the hot and rainy weather, the female flowers of the pumpkins become less, and no female flowers will naturally not be melons. Under normal circumstances, high temperature male flowers, low temperature female flowers, can now belong to summer summer, small temperature difference between day and night, is not conducive to the opening of female flowers, natural knots less.
2. The natural environment in the field
Pumpkins will grow rapidly under suitable conditions of fertilizer and water, resulting in poor ventilation and light conditions in the field. In addition, the rainy weather affects pollination, which is not conducive to pumpkin melons, and naturally fewer melons.
A For ordinary rural growers, due to the small planting area, manual control can be carried out. If the main vine of the pumpkin grows to 10 to 12 nodes, if it does not end up at this time, it will be controlled. The peasant friend can destroy the top advantage of the pumpkin main vine, that is, topping, remove the main vine, remove the growth point, and promote the side bud to sprout long branches, thereby controlling the growth of the main vine and promoting the lateral vine reproductive growth. Can make a melon. This is also a common method in rural areas. After artificially smashing the main vine, the long side vines are seen, then the melon topping, the side vines regenerating the side vines, and then the side vines regenerate the side vines, so that the reciprocating topping, the pumpkin is difficult to knot.
B For large-scale growers, manual control is obviously not feasible. Farmers generally use chemical control, such as paclobutrazol, uniconazole and other plant growth regulators. These control agents have significant effects, but if they are used improperly, Causes phytotoxicity, so the concentration must be used accurately. Today, I will share with you a new plant growth regulator. Triacontanol is a natural plant growth regulator widely used in various crops, which can significantly promote plants at very low concentrations. In the flowering period of pumpkin, the amount of triacontanol 0.5~1 mg/L can increase the fruit weight, enhance the disease resistance, and mature in advance. The pumpkin not only has more knots, but also has large knots and high yield.
C For growers who want to make pumpkins mature in advance, it is recommended that growers use ethephon, a high-quality natural plant growth regulator. Planters can use 0.5% ethephon, then water and then spray the pumpkin. Note that Spraying on the pumpkin instead of the leaves can significantly increase the time to market for the pumpkin, and the coloration and commerciality of the pumpkin will also increase. For the problem of poor taste and bitterness of pumpkin, it is recommended to apply less nitrogen fertilizer or improve the taste of pumpkin. It can spray calcium sugar alcohol in the growing season to increase the sugar content of pumpkin.
Some friends may say, these experts all day tell others how to spray a variety of pesticides and growth regulators, are these things harmless to the human body? If the pesticide is not used according to the specified concentration or the safety interval is too short, the pesticide residue will exceed the standard and endanger human health. However, for plant growth regulators such as ethephon, it is only ripened by ethylene gas emitted from ethephon, which accelerates fruit ripening, and is most widely used on bananas and mangoes. The whole ripening process is a physiological reaction process of the plant, not a chemical process, and does not cause any harm to the human body, so there is no safety problem.
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