Greenhouse Cucumbers

In the current greenhouse, cucumbers have entered the stage of melon growth in winter and spring, greenhouse cucumbers are limited by greenhouse space, and when the cucumber growth point is close to the top of the greenhouse, it must fall. Through falling vines, the effective leaves are evenly distributed and can be in a good lighting and ventilation position, improve the photosynthetic efficiency, increase the cucumber nodes, and prolong the period of guacamole, creating favorable conditions for the high yield and quality of cucumber.

I. Preparation before cucumber falls

1. Do not water for 7 days before falling. When the water content of cucumber plants is high, the vines are relatively brittle, and if they do not pay attention, they can easily damage or break the vines. If water is not applied 7 days before the fall, the water content of the stem tissue can be reduced, the flexibility of the stem can be enhanced, and the damage to the stem can be avoided, and the chance of pathogen infestation can also be reduced.

2. Remove old leaf disease leaves. Before falling, first remove the old leaves, diseased leaves, and diseased fruits from the lower part of the plant, and bring them to deep burial or burning outside the shed. Avoid the fruits and leaves that are close to the ground after the fall, and the disease is aggravated by poor ventilation and wet ground. . However, the removal of the leaves should not be excessive. Generally, the functional leaves of the plant should be kept above 15 leaves to meet the growing needs of the melons. When picking leaves should be selected in sunny days, when the shed is relatively dry.

3. Leave the petiole when picking leaves. When removing old leaves and diseased leaves, it is best to leave petioles to prevent injury to the stalks. In addition, when the humidity is high, it is easy to infect the diseased bacteria and affect normal cucumber growth. Leaves leave the petiole, so that the petiole and stem vines produce a layer of natural shedding. Even if the wound is invaded around, it can be found early, timely medication, reduce the pathogen's dip and damage to the stem.

4. Immediately spray the leaves after picking the leaves. Bacterial pathogenic bacteria of plants are easily infected by plant wounds, so after picking the leaves, in order to prevent the bacteria from invading the petiole wound, cucumbers can be sprayed with 72% of streptomycin sulfate 3000 times and 47% plus Garnett 600 times. To prevent the occurrence of bacterial diseases.

Second, falling vines technology

1. It is suitable for the period. When the plant growth point is close to the roof, it is timely covered with vines, and the vines should be selected in the afternoon, when the stems and vines are flexible and flexible. Remember not to fall in the morning with high water content, morning or after watering, so as not to damage or break the stem, affecting normal plant growth.

2. Falling method. When the curtain falls, first suspend the sling on the vine and let it fall on the ground. Do not pull the hard shank hard. The vine must be gradually coiled in the same direction on both sides of the cultivating ridge. When winding the stems, bend the vines along the vines, do not bend hard or bend in the opposite direction, and avoid cracking or breaking the stems. When it begins to fall, the vines are smaller, the circle is smaller, and the vines are shorter. After the stalk is thick, the circle is larger and the time interval between vines is relatively long.

3. Drop height. Generally, the height of each vine is 1/3-1/4 of the vertical height of the cucumber plant (about 1.5 meters or so), and the lowest leafy node is kept about 13 centimeters from the ridge surface. Each cucumber should keep the functional leaf in 15 pieces. the above.

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