Several pruning methods for watermelon cultivation

Watermelon has the characteristics of strong growth of branches and strong branching ability. During the cultivation process, in order to reduce nutrient waste, control the intensity of plant vegetative growth, adjust the leaf area index, make the distribution of leaf vines in the whole garden reasonable, improve the ventilation and light conditions of the near-ground space, reduce the occurrence of pests and diseases, and often have to plan Cut off some of the vines. This management measure is called pruning. The number of vines remaining in the pruning varies depending on the selected species, planting density, climatic conditions, and soil fertility. There are many kinds of pruning methods in different places. The production of single pruning, double pruning and triple pruning are more common.

Single vine pruning is to keep the main vine when the main vine grows to 50-60 cm, and remove all the side branches that germinate on the main vine. (Single vine pruning is rarely used in my area.) Double vine pruning is the main vine outside the main plant leaves at the base of the 3-8 section, in the election to retain a strong growth of side vines, the main cranberry on the remaining side of the vines to remove all, The main vines and side vines are about 30-40 cm in diameter and grow parallel to the front. There is also a double vine pruning method after the main vine toss the heart, leaving the plant to grow at the base of two strong lateral vines. Sanman pruning is based on the retention of the main vine to choose to retain two robust side vines, other side vines removed in time. Due to the selection of lateral vines and the extension of vines, they are divided into three categories. The first is to select two side vines at the base of the main vine, and grow along with the main vine to the south. The second is to select two strong lateral vines 30-60 cm away from the base of the main vine, and grow parallel to the main vines. The third type is to keep two side vines at the base of the main vine, both extending in the opposite direction to the main vine, and the main vine extends to the south. However, due to the inconvenience of cultivation and management, the third method is currently being used less frequently in growth.

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