Four ways to prevent cucumber deformity in the greenhouse

In the production of cucumber, there are often malformed melons such as sharp beaks, big bellies, slender waists, and curved melons. This not only affects the yield, but also seriously reduces the quality of the goods, causing great losses to the vegetable farmers. To prevent the occurrence of abnormal cucumbers in greenhouses, the following measures can be taken:

Control the temperature in the cucumber breeding period to give the appropriate temperature, especially in the two true leaves, the temperature difference between day and night requires a lot, the night temperature not lower than 10 °C ~ 12 °C. The temperature difference between day and night in the cucumber melon period needs to be larger. During the melon period, the daytime temperature should not exceed 30°C. At night, the temperature should be 16°C-18°C and the middle of the night should be 13°C-15°C. Ventilation should be strengthened to ensure normal pollination and fertilization. Make melons thick and thin and well-proportioned.

Reasonable watering cucumber during the growth period, especially in the melon period, can not think of cucumber fertilizer water, a lot of top-dressing, irrigation, resulting in "running", but can not suddenly dry, suddenly. Sunny days should pay attention to watering to prevent water shortages. To control the amount of watering watering, especially in the fruit expansion period should not be excessive watering.

Rational fertilization applies base fertilizer, organic fertilizer and phosphorus and potassium fertilizers. Apply a small number of methods to topdressing, catch the first fertilizer after harvesting, and then chase the fertilizer once every 10 days or so, strictly control the amount of nitrogen fertilizer, and use formula fertilization techniques. The ratio of nitrogen, phosphorus, and potassium is 5:2: 6, prevent plant leggy. Spray 0.2% potassium dihydrogen phosphate in the late middle and late fertility period to prevent premature aging and enhance stamina.

Strengthen the prevention of diseases and insect pests to diseases such as cucumber downy mildew, disease, and gray mold. In the early stage of cucumber growth, we must always pay attention to the discovery of “central diseased plants”, remove the diseased leaves in time, and prevent the spread of infection. Prevention and treatment of pests and diseases can be applied to the method of applying aerosols, without increasing the humidity in the shed, and preventing the disease more thoroughly.

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