Long eggplants generally adopt double-stem pruning. When the eggplant plants are branched, two branches with the same growth are selected as the main stems. The two branches are in the north-south direction, which is convenient for later management. In the process of pruning, topping and changing heads can inhibit the vegetative growth of plants and promote reproductive growth. It has a good effect on cultivating strong trees and preserving flowers and fruits, but the time for topping should be carried out according to the growth period of the plants.
1. When the stem becomes thin and elongated, it should be topped in time.
When the vegetable grower finds that the plant grows fast, the stalk is thin, and the new leaves are yellow, it indicates that the plant is growing and will affect the growth of the plant. At this time, vegetable farmers should pick the cores in time to inhibit the vegetative growth of the plants, and cultivate strong trees first.
2. The strong and weak branches should be topped reasonably.
When double-stem pruning, if one main branch grows too fast, it will compete for more nutrients, which will affect the growth of the other branch. If it is not adjusted in time, the strong branch will become more and more prosperous, while the weak branch will grow longer. The weaker. Therefore, once the vegetable grower finds that the strong and weak branches appear, they should take reasonable pruning measures in time. The strong branches should be topped in advance to retain more fruits and restrain their excessive growth. When the heights of the two main branches are the same, then the weak branches should be topped.
3. To preserve flowers and fruits, topping should be done early.
Many vegetable farmers do topping when the plant grows 3-5 fruits, but it is not fixed and should be adjusted appropriately according to the growth of the plant. If the growth of the plant is weak, you will find that the flowers are not well developed and the fruit grows slowly when the eggplant appears. At this time, you should pick the core early; if the growth of the plant is vigorous, you can leave a few more fruits.
4. According to the weather changes, topping at the right time.
When there are more consecutive cloudy days, the plant growth is weak, and you can pick the core early; when the temperature is high, the plant growth is prosperous, and you should pick it late.
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