How to give greenhouse peach fruit thinning

Peach trees in most greenhouses have a high rate of fruit set, especially in adult trees, and the fruit set is often more than the amount of load that peach can bear. Peach blossoms and fruits consume a lot of nutrients in the process of growth and development, which intensifies the contradiction between fruits, between fruits and trees, and inevitably results in small fruit, light color, low sweetness, and poor quality. Tree weakness and other adverse consequences. Removing excess fruits and nuts can save nutrition, increase the weight, sugar content, and coloring degree of the fruits left behind, which is of great significance for improving economic efficiency.

Peach trees are generally twice thinned in the greenhouse. The first time after the first physiological fruit drop, it is 15 to 20 days after flowering. When fruits such as faba bean size, weed out fruit and fruit that are not stunted. It is generally preferred to preserve the flanks of the branches, remove the backs of fruit, and strive to keep them evenly. The nodes are staggered with each other so that the fruits are arranged in a triangle. The thinning of fruit can eliminate 50% to 60% of the fruit number. The second fruit thinning was set fruit, after the second physiological fruit drop, before the fruit hard core, 35 to 42 days after flowering. The fruit thinning should be determined according to the variety, tree vigor, age, and management level. Peach tree fruit type fruit quantity: 3 long fruit branches, 2 middle fruit branches, 0 to 1 short fruit branches and fruit-like fruit branches; fruit quantity of middle and small fruit varieties: 4 to 6 long fruit branches, 3 to middle fruit branches 4, 1 or 3 short fruit branches and fruit-like branches.

Through fruit thinning, the ratio of leaf to fruit of the whole plant of Peach was reasonable to a degree of 20:1 to 35:1. Generally, early-maturing and small-fruited varieties leave 1 fruit per 20 to 25 leaves, medium-maturing varieties leave 1 fruit per 25 to 30 leaves, and a large late-maturing variety leaves 1 fruit per 30 to 35 leaves.

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