Picking less leaves from the replanted tomato fruit

At present, many vegetable farmers in order to promote the color change of tomatoes, the province will remove all the leaves around the fruit, but this is not scientific.

During the color change of tomato fruit, the lower yellow leaves, old leaves and diseased leaves are removed in time, mainly to avoid unnecessary nutrient consumption, and at the same time increase light to promote fruit color change. However, in the summer of high temperature and strong light, the leaves around the fruit should be less re-raised. This is because most of these leaves are functional leaves, which bear the important mission of photosynthesis and are the key to determining the quality and yield of tomatoes. The fruit appears to be sunburned, so it is not appropriate to rashly remove it all. In particular, it should not be removed excessively, but should be removed in an appropriate amount to support the growth, delay leaf senescence and improve leaf function.

For how to pick how to raise, it is recommended that the farmers pay attention to the following points:

The leaves around the fruit ensure that "more than not squeezed" sunburn is formed by direct sunlight on the fruit. To prevent sunburn, it is necessary to ensure that there are leaves around the fruit, especially the upper leaves.

The nutrients required for root growth are mostly supplied by the middle and lower leaves. After the leaves of the lower part of the fruit are all removed, the leaves of the plants are greatly reduced, the formation of photosynthetic products is reduced, and the supply of nutrients is easily caused. Secondly, there is no lower leaves. The occlusion, direct sunlight in the morning and evening, will cause the ground temperature around the root system to rise, which is not conducive to the growth of the root system. Therefore, the leaves of the lower part of the tomato fruit should not be completely removed. One or two functional leaves should be reserved appropriately, and not crowded, so as to ensure the photosynthesis of the plants, promote the expansion and color change.

Yellow leaf heavy conservation plants in the middle or late growth stage or the weaker growth plants should pay special attention to the conservation of the leaves, especially the maintenance of yellow leaves. It is recommended that vegetable farmers often spray amino acids, chitins, alginic acids or full-nutrient foliage. Fertilizer, curing leaves, improve plant resistance to disease and disease.

If the yellowing of the leaves is serious, it should also cooperate with cytokinin or spray biostimulant products to delay leaf senescence and promote the return of the leaves to normal.

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