Method for controlling winter twigs and promoting flowers of lichee trees

Abstract

The invention discloses a method for controlling winter twigs and promoting flowers of lichee trees. The method comes into operation in mid-October of each year and comprises the following steps: firstly, the lichee trees are subjected to root pruning treatment: a nutritional agent containing potassium chloride, snail secreta and cordate houttuynia powder is applied to incisions of side roots and the lichee trees are subjected to spiral band girdle after 5-7 days, wherein the depth reaches the contact surface of a cambium and a wood layer, the band girdle width is 0.2-0.4 cm, the cylindrical number is 1.3-2 laps and the screw pitch is 5-7 cm; the band girdle incisions are coated with the snail secreta, sprayed with a disinfectant and coated with four layers of membranes, namely, a first layer adopting cordate houttuynia, a second layer adopting half-rotten fertilizer and soil, a third layer adopting bamboo fiber paper membrane and a fourth layer adopting silver reflective membrane. Through the adoption of the method for controlling winter twigs and promoting the followers of the lichee trees, the problems that the tree vigor of the lichee trees declines after the spiral band girdle and infant leaves turn yellow are solved and the winter twigs of the lichee trees are preventing from sprouting again.

Description

technical field [0001] The invention relates to a plant cultivation method, in particular to a method for controlling winter shoots and promoting flowers of litchi trees. Background technique [0002] From November to December every year, root-cutting and girdling methods are applied to litchi trees, which can significantly promote the formation of flower buds and rapidly increase the yield of a single litchi tree. The root pruning method is to cut off the lateral roots of the tree body, which can reduce the absorption of water by the roots and effectively control the extraction of winter shoots; However, if the girdling time is inappropriate or the girdling position is inappropriate, it will cause the tree body to weaken, reduce the disease resistance and stress resistance of the tree body, and easily cause serious diseases such as rot disease. [0003] Spiral girdling is performed when the litchi begins to enter reproductive growth, and the spiral girdling wound requires ...

AI Technical Summary

Problems solved by technology

The root pruning method is to cut off the lateral roots of the tree body, which can reduce the absorption of water by the roots and effectively control the extraction of winter shoots; However, if the girdling time is improper or the girdling position is improper, it will cause the tree body to weaken, reduce the disease resistance and stress resistance of the tree body, and easily cause serious diseases such as rot disease.

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