Double-U four-trunk planar tree form of pear tree and shaping method of pear tree

Abstract

The invention discloses a double-U four-trunk planar tree form of a pear tree. The tree form comprises a trunk, two groups of main branches and fruiting branch groups, wherein the height of the tree is 2-2.5m, the height of the trunk is 0.3m, each group of main branches grows in a U shape, the two groups of main branches symmetrically grow on the two sides of the trunk, the two groups of main branches are distributed in a double-U four-trunk form, and the fruiting branch groups spirally grow on the main branches. The invention belongs to the technical field of fruit tree cultivation, and particularly provides the double-U four-trunk planar tree form of the pear tree and a shaping method thereof; planar parallel growth vigor of double-U four-trunk branches of the tree form can promote a tree body to evenly receive illumination, the ventilation and light transmittance of the tree body are high, illumination distribution of the tree body is uniform, and fruit quality difference caused bynon-uniform light receiving of all the fruiting branches due to the growth position difference or non-uniform receiving of foliar fertilizer and pesticide can be reduced; mechanical operation is morefacilitated; the tree form is attractive, and can be used for vertical greening of wall faces, hedges and the like; row spacing of the pear trees in the planar fruiting tree form can be more compact;and land can be more effectively utilized.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation, and specifically refers to a pear double U four dragon trunk planar tree shape and a shaping method thereof. Background technique [0002] Pears are one of the most popular fruits for consumers at home and abroad. my country is the largest pear-producing country in the world. In 2018, the cultivated area of ​​pear trees in my country was 14.06 million mu, and the output was 16.2 million tons, ranking first in the world in terms of cultivated area and output. First place, respectively accounting for 68% of the world's pear cultivation area and production. With the wide application of new varieties, new technologies and new techniques in pear fruit production, the output of pome fruit in my country has increased significantly, the quality has improved significantly, and the export volume has increased year by year. With far-reaching development prospects, it has become an important pi...

AI Technical Summary

Problems solved by technology

Due to the tall crown and inconvenient operation, it has been rarely used in recent years

Small crown thin-layered and spindle-shaped are one of the tree shapes commonly used in pear tree production in recent years. When the branches of the two tree shapes are complex, it takes a lot of time and labor to pruning; the spindle shape includes natural spindle shape and improved spindle shape, etc. It is mostly used in northern pear orchards, and has many advantages such as fast forming, early fruit and high yield, and easy management. However, if it is not managed properly, it will cause the tree to be strong at the bottom and weak at the top. And obtain good economic benefits; happy shape includes three main branches happy shape and "Y" shape, etc., which are mostly used in southern pear orchards. It has the advantages of simple tree structure, good ventilation and light transmission, good fruit quality, and high commodity rate. The time is long, the time to enter the high-yield period is relatively late, the pruning level is high, the skeleton cultivation needs to be carefully operated, and the large canopy in the later stage is not conducive to field management, and the fruit yield is low; the scaffolding pear tree cultivation technology is introduced by Japan in recent years. High-quality and high-grade pear tree management technology, easy fruit management and convenient picking, but relatively high investment cost in the early stage and high technical difficulty, more suitable for sightseeing orchards or garden greening, not suitable for large-scale planting and production

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