Method for retaining trunk and molding green date tree

A trunk and jujube tree technology, applied in the field of fruit tree cultivation and management, can solve the problems of unreasonable tree shape, insufficient light on flower and fruit branches, high fruit setting rate of green jujube and high investment in production cost, and achieve the goal of increasing fruit setting rate and output, and reducing costs High investment and practical effect

Inactive Publication Date: 2010-10-06
RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the unreasonable shape of the green jujube tree in the prior art by using bamboo poles or wooden sticks to support the branches, and the l

Method used

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  • Method for retaining trunk and molding green date tree
  • Method for retaining trunk and molding green date tree

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Experimental program
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Effect test

Embodiment 1

[0030] Embodiment 1 The embodiment of the inventive method

[0031] Implementation location: jujube tree plantation in Yuanmou County, Yunnan Province in the dry and hot valley area of ​​China.

[0032] Present embodiment is provided with three processings, and each processing repeats 3 times, and the green jujube tree age of processing 1 plantation is 2 years, and its concrete steps are as follows:

[0033] A. Intercept the trunk

[0034] After the green jujube fruit is harvested, when the branches of the green jujube tree are retracted and renewed in late February, a branch is selected and cut short, leaving 1.8m as the main trunk 1, and all other branches on the green jujube tree are cut off. Around the trunk 1, select 5 cuttings of branches that have been cut off, and graft a green jujube bud at each of the cuts, and the green jujube bud is from the same green jujube variety (Tainan The semi-lignified strong green jujube buds selected on the branches of No. 1);

[0035]...

Embodiment 2

[0042] Embodiment 2 is the contrast of embodiment 1,

[0043] The location of the implementation: the green jujube plantation in Yuanmou County, Yunnan Province, which is also selected in the dry and hot valley area of ​​China. The age of the green jujube trees is 2 years, and one treatment is repeated 3 times.

[0044] The cultivation and management method is: after harvesting fruit in the spring of each year, cut off all the branches of the jujube tree at a distance of 25 cm from the original grafting interface of the jujube tree, and select 4 semi-lignified and strong jujube buds of the same jujube variety to graft respectively At the truncation of the 4 branches, after the new shoots grow out, use bamboo poles to guide the new shoots to the four directions, make them evenly distributed, and form a happy shape. Fix a wooden stick vertically on each of the four sides under the canopy, and then stand upright on the two sides. A bamboo pole is tied horizontally between the woode...

Embodiment 3

[0048] Embodiment 3 The embodiment of the inventive method

[0049] Implementation location: jujube tree plantation in Yuanmou County, Yunnan Province in the dry and hot valley area of ​​China.

[0050] The present embodiment adopts five steps of A, intercepting the trunk, B, shaping, C, girdling, D, branch tip pruning and E, fruit thinning.

[0051] This embodiment is provided with three treatments, each treatment is repeated 3 times, and the age of jujube trees planted in treatment 1 is 2 years, except that the two steps of A, intercepting the trunk and B, and shaping are the same as those in Example 1 and treatment 1. , the remaining steps of girdling, tip pruning and fruit thinning are as follows:

[0052] C. Girdling

[0053] The girdling is carried out from June 5th to 7th, and the first-level branch 2 (1 branch) of 1 / 3 of the total number of first-level branches 2 is used for girdling to promote flower bud differentiation. The bud interface of branch 2 is 27cm upward...

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Abstract

The invention discloses a method for retaining a trunk and molding a green date tree, and belongs to the technical field of fruit growing and management. The method comprises the steps of retaining the trunk and molding, wherein the step of retaining the trunk comprises the steps of: during cutting back of branches, cutting a branch, retaining 1.5 to 2.0m of the branch to serve as the trunk, cutting out the rest branches, and respectively grafting a green date bud on a cut section of each of four to six cut branches on the periphery of the trunk; and the step of molding comprises the step of respectively binding each first-level branch with the trunk on any part of the first-level branches between 0.5 to 1.5 m from the ground to form a mushroom tree structure, wherein the trunk becomes a natural and powerful support of the green date tree. Through the method, a single green date weighs 72 to 76g, which is improved by 41 to 48 percent than a contrast; the yield of a single plant is improved by 71 to 80 percent than a contrast; the sugar content is improved by 34 to 42 percent than a contrast; the tree shape of the green date tree has a reasonable structure; the illumination on flower and fruit branches is increased; and the fruit bearing rate and the yield of the green dates are greatly increased.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation and management. In particular, it relates to a shaping method for shaping a reasonable tree shape for jujube trees and improving fruit yield of jujubes. Background technique [0002] Zizyphus mauritiana Lam is a plant of the genus Zizyphus in the family Rhamnaceae, a tropical and subtropical evergreen or semi-deciduous broad-leaved shrub or small tree. Green jujube is a typical positive plant. It has high requirements for light throughout the growth period, and it does not grow well under shaded conditions. Therefore, the length of the light time has become an important indicator of whether the jujube can grow fast, knot early, and have a high yield. The jujube tree is grafted in the same year and blooms and bears fruit in the same year. In the prior art, after the fruit of the jujube tree is harvested every year, the branches are retracted and renewed, and new shoots are grafted,...

Claims

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Application Information

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IPC IPC(8): A01G17/00
Inventor 陈艺齐段曰汤朱红业张德马开华杨顺林米艳华陆琳赵俊刘海刚杨子祥何璐瞿文林杨艳鲜黄文英木万福
Owner RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI
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