A kind of cultivation method for regulating and controlling the fruiting branches of pecan

A kind of technology of hickory with thin shell and cultivation method, which is applied in the field of regulating the cultivation of fruiting branches of hickory with thin shell, and can solve the problems of high application cost, decline of tree vigor, waste of medicinal solution, etc.

Active Publication Date: 2019-12-03
JIANGSU ACAD OF FORESTRY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There have been reports in the literature on the methods of promoting the cultivation of fruiting branches of hickory trees with thin shells. In order to control vegetative growth and promote the formation of terminal female flower buds, the traditional method is realized by pruning and shaping. This method needs to be long and short according to the growth potential of the tree. Cutting, high technical requirements, improper pruning will weaken the tree vigor, get twice the result with half the effort, and it is difficult for ordinary fruit farmers to grasp; secondly, it takes 2-3 consecutive years of annual pruning to achieve the goal of shaping, which requires a large amount of labor and high cost, resulting in ineffective loss of nutrients
The method of using plant growth regulators to increase the yield of pecans is only found in the public patent of "[Application No.] CN201410223635.8, [name] a method for increasing the yield of pecans by combined application of PBO and paclobutrazol". The patent adopts paclobutrazol root irrigation and PBO whole-plant foliage spraying. The applicant refers to this method and has the following problems. First, paclobutrazol controls the vegetative growth of the aboveground part of hickory nuts after root irrigation, and also limits the root growth. Growth and development, the tree vigor declines after 2 years of root irrigation; secondly, large-scale orchard foliage spraying requires mechanical operation, the application cost is high, and it also causes waste of liquid medicine

Method used

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  • A kind of cultivation method for regulating and controlling the fruiting branches of pecan
  • A kind of cultivation method for regulating and controlling the fruiting branches of pecan
  • A kind of cultivation method for regulating and controlling the fruiting branches of pecan

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Experimental program
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Effect test

Embodiment 1

[0022] (1) Fruit tree selection: Thin-shell hickory "Pony" fine variety, with a ground diameter of 5 cm, vigorous growth, and no damage by diseases and insect pests;

[0023] (2) Trunk treatment: early spring step (1) remove the outer skin of the bark in the lower part of the trunk branch before the budding of the fruit tree, until the turquoise pericortex is exposed, the width is 15cm, and it is set aside;

[0024] (3) Wrapping with hormone nutrient solution: take a water-absorbing cotton moisturizing wrapping belt that is as long as the circumference of the trunk, and use 200mg·L of fruit tree control agent -1 +100mg·L -1 Wrapped in the trunk of step (2) after the aqueous solution soaks and fixes;

[0025] (4) Water and fertilizer management: 50g-80g / plant of urea (containing 46% of N) was applied 3 times in the soil from budding to the end of May, and potassium sulfate (K) was applied in the middle of June. 2 O is 53%) 80g / strain, applies calcium superphosphate (P 2 o 5...

Embodiment 2

[0027] (1) Selection of fruit trees: Thin-shell hickory "Pony" fine variety, with a ground diameter of 10 cm, vigorous growth, and no damage by diseases and insect pests;

[0028] (2) Trunk treatment: early spring step (1) remove the outer skin of the bark in the lower part of the trunk branch before the budding of the fruit tree, until the turquoise pericortex is exposed, the width is 20cm, and it is set aside;

[0029] (3) Wrapping with hormone nutrient solution: take a water-absorbing cotton moisturizing wrapping belt that is as long as the circumference of the trunk, and use 250mg·L of fruit tree control agent -1 + Polyglutamic acid (γ-PGA) 100mg·L -1 Wrapped in the trunk of step (2) after the aqueous solution soaks and fixes;

[0030] (4) Water and fertilizer management: the period of fruit tree growth to defoliation is respectively before the sprouting and spreading of leaves to the end of May, urea (46% of N content) 80g / plant is applied in the soil for 4 times, and po...

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Abstract

The present invention discloses a cultivation method for regulating bearing branches of pecan and belongs to the technical field of fruit tree cultivation. According to the method, a novel gamma-PGA synergist and PBO are mixed and applied to the trunks of pecan trees, enhancing the photosynthetic capacity and nutrient accumulation of leaves and promoting formation of short bearing branches with terminal pistillate flower buds. Thus, a "leaf-fruit ratio" and a "branch-fruit ratio" in the growth of pecan can be regulated. Compared with traditional root irrigation application on soil and leaf spraying, the method is low in cost, high in utilization rate and convenient to use is convenient and also has the advantages of strong absorption by trees, fast conduction and long synergistic durationwith vital practical significance for early bearing and high yield pecan cultivation.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation, and in particular relates to a cultivation method for regulating and controlling fruiting branches of pecan carya. Background technique [0002] Thin-shell hickory has unique biological characteristics, and is a tall tree with a strong top advantage. According to the natural growth management mode abroad, it takes more than 15 years for the grafted hickory of thin-shell hickory to enter the full fruit period; at present, the thin-shell hickory is built earlier in China The orchard was built only about 10 years ago. Although it has entered the fruit-setting period, the yield per plant and economic benefits in the first 10 years are far lower than walnuts of the same age. The low output in the early stage restricted the development of the industry. Therefore, in order to improve the early yield and benefit of pecan plantation, it is necessary to control the top growth advantage of p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G7/06A01C21/00
CPCA01C21/005A01G7/06A01G17/005
Inventor 窦全琴薛兴建骆群
Owner JIANGSU ACAD OF FORESTRY
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