Only when cucumbers are planted in greenhouse to prevent this from happening, can the yield be guaranteed.

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Under the condition of natural growth, all the female flowers and young fruits of cucumber from flowering to fruit setting can not be guaranteed to mature smoothly.

Especially the growers in the greenhouse all know that the young melons will stagnate during the fruit expansion period, and gradually turn yellow, dry up, and finally wilt and fall off.

This phenomenon is called Hua Gua. If there is a large area of melons in the field is abnormal, it is necessary to carry out reasonable field management; if the proportion of wilting and shedding of young melons in female flowers is small (less than 10%), it can be ignored, which is a normal phenomenon of cucumber self-regulation.

The emergence of melons in a large area will not only affect the yield and quality of cucumbers, but also make the growers' labor achievements go to waste. To avoid and reduce the occurrence of this situation, we should pay attention to the following aspects.

First, choose the right variety.

Especially for greenhouse growers, the selection of the right variety is the key to determine the high yield of cucumber. Although greenhouse can "create" more favorable conditions than open field planting, it also has its disadvantages: limited planting area, poor ventilation and light transmittance, etc., which often make vegetative growth and reproductive growth not coordinated, and when reproductive growth is inhibited, will increase the occurrence of melons.

Therefore, choosing a variety suitable for planting conditions and strong stress resistance is the key to success.

Second, improper management of fertilizer and water.

Cucumber needs a large amount of water and fertilizer, especially after entering the flowering stage, it is undergoing the transformation of vegetative growth and reproductive growth. At this stage, the plant has a great demand for nutrients. If the amount of fertilizer does not meet the needs of cucumbers, resulting in "malnutrition", it will promote the occurrence of melons.

If the amount of fertilizer is too large (nitrogen fertilizer), resulting in excessive vegetative growth of cucumber stems and leaves, there will also be melons. Therefore, it is necessary to fertilize properly and keep the soil dry and humid is also a very important part of preventing melons.

Third, actively prevent and treat diseases

Cucumber downy mildew and powdery mildew mainly harm the leaves of the plant, and will spread. The disease destroyed the leaves of cucumber and prevented the leaves from effective photosynthesis. In the end, it will also cause the growth stagnation, wilting and shedding of young melons, which is also the reason for the large area melons. Therefore, prevention, timely detection and "treatment" of diseases is also very critical.

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