Tomato plants have fast growth, strong branching ability, lush stems and leaves, and easy flowering and fruit drop. The method of pruning in production often achieves the purpose of early maturing and high yield. The methods of pruning mainly include snoring, topping, old leaves, thinning and thinning fruit.
For the purposes of early ripening and high yielding, tomatoes in the greenhouse are often singly dried and pruned. For early maturing varieties, only the main axis of the tomato was retained, and the inner branches of the lobe were completely removed. In late-maturing varieties, due to their strong growth potential, continuous single-stretch extension pruning and continuous picking are commonly used. Are introduced separately as follows.
Continuous single extension trunks were used to remove all the first lateral branches and all the following lateral branches under the first flower, leaving the plant to extend upwards instead of the trunk in the top lateral branch of the cap. When this side branch is again capped, the most lateral buds are selected on this side branch instead of the side branch to extend upwards, so that the required height is repeatedly reached, or the required number of spikes is left.
Continuous pruning uses single stem pruning. When the tomato grows 3-4 panicles, leaves two leaves on its top and serves as the first basic branch. The side branches in the top two leaf axils of the plant were preserved for continuous picking, that is, when the axillary buds in the two leaf aphids germinated, they left a leaf topping. When the axillary buds of the side branches germinated, they left a leaf topping. This is repeated. When the first ear was harvested, one of the top two lateral branches was selected to no longer carry out the topping of one of the strong lateral branches; the other branch left one leaf and the remaining leaves were cut off. Let go
When the long branches grow 3 to 4 inflorescences, they leave two leaves above the top of the spike to be picked up as the second basic branch. Then, the third basic branch and the fourth basic branch are cultured in the same manner. This pruning method can generally end 12-12 fruit.
Tomato pruning considerations
1. There is a mutually promoting relationship between the tomato shoot and the root system. Premature pruning will affect root growth. Therefore, burping should not be premature, and the axillary buds in the lower part of the first flower should be carried out when the axillary bud grows to 3 cm in length.
2. When using single dry continuous pruning, first of all to ensure adequate fertilizer and water, attention must be paid to the retention and cultivation of the upper lateral branches, to prevent the lower part of the fight, and the upper part of the final culture not.
3, pruning, requires no stubble, can not take off too much skin on the spindle, to reduce wound surface as possible, generally do not have tools such as scissors, because scissors easily transmitted virus.
4. Pruning and snoring should be performed on a sunny day from 10 am to 3 pm, when the temperature is high, and the wound is easy to heal.
5. The use of continuous pruning should be performed as soon as possible. As early as possible, the wound is small and easy to heal.
6. In the greenhouse, overwintering and wintering and spring sowing are often carried out using ordinary single-stem pruning, that is, early-maturing varieties are highly densely planted (7000-8000 plants/667 square meters), leaving one fruit per plant; medium and late-maturing varieties are planted at 2,667 plants at 667 square meters. About 4-6 spikes per plant, 2 to 3 results per panicle.
7. In autumn and winter in solar greenhouses and in greenhouse cultivation, continuous single stem pruning and continuous pruning are often used. When using these two pruning methods, we must pay attention to thinning and fruit thinning. 5-10 ear usually single remaining fruit, a fruit per panicle left 2--3.
8, when pruning, the plants should virus symptoms separately, to avoid human spread of disease.
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