One reason
1 Incomplete fertilization of cucumber female flowers, only produce seeds at the tip of melon, so that nutrients accumulated to the apex, leading to apex pulp tissue is particularly hypertrophic, showing a pot belly.
2 The lack of potassium in plants and the oversupply of nitrogen fertilizers will produce large-diabetes.
3 The lack of water in the early growth stage of cucumber, and the large amount of water supply in the later period, will produce a large pot of cucumbers. This is because water has a strong influence on cell elongation or on hypertrophic growth. In the absence of water, cells grow slowly. When water is supplied in large quantities, cells develop rapidly.
Two control methods
1. To improve the photosynthetic function of leaves and timely spray a certain amount of trace fertilizer; Boron deficiency can easily lead to the emergence of poor development of young melons, bee loins, and melons. The boron fertilizer should be added in an appropriate amount during the management process. Borel can be used. 800 times, 7-10 days spraying once, continuous spraying 2 or 3 times, can effectively alleviate.
2 Balanced water supply, no water shortage due to controlled growth in the early stage, and no excessive water supply due to rapid growth in the later period;
3. Reasonable temperature control. The temperature should not be too high, during the day 25 ~ 28 °C, kept at night 13 ~ 15 °C.
4. Prevention and treatment of diseases should be mainly prevention, prevention and treatment in the early stages of the disease. Maintain plant growth. Protect the leaves and ensure organic nutrient supply.
5. Prevent flower insects from flying in. If bees and other flowering insects destroy the fertilization process, some of the nutrients of the growing seeds concentrate and the apex expands. Malnutrition prone to large head melon.
6. The early emergence of malformed melons allows the nutrient to concentrate on the growth and development of normal young melons.
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