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Method for selecting and breeding improved variety types of walnuts

A technology for walnuts and improved seeds, applied in the field of agricultural biology, can solve the problems of low survival rate, irregular operation, low walnut breeding efficiency, etc., achieve good growth, improve the survival rate, and promote the development of the walnut industry.

Inactive Publication Date: 2016-03-02
CHENGXIAN XINGFENG AGRI & FORESTRY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a method for breeding improved walnut strains, which solves the problems of low walnut breeding efficiency, low survival rate, and irregular operation, improves the yield and quality of walnuts, and provides walnuts for large-scale planting. Excellent walnut varieties have been developed, which is beneficial to the development of walnut planting industry

Method used

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  • Method for selecting and breeding improved variety types of walnuts
  • Method for selecting and breeding improved variety types of walnuts
  • Method for selecting and breeding improved variety types of walnuts

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Embodiment 1

[0030] In 2001, a solid and excellent tree near Zhang Shenghua's courtyard in Duanjiazhuang Village, Changba Town, Kang County was selected as the mother tree, numbered Longnan 15, and grafted and raised in the Liangdang County, Ministry and Provincial Walnut Fine Seed Base. The grafted seedlings were planted in Cheng In Daya Village, Zhifang Town, Daigou Village, Songping Guihua Village, Chuanba District Agricultural Science and Technology Sightseeing Park, Hongchuan Town Yanghe Village, Xiping Village, Chengxian County, Daigou Village, Zhifang Town, and the Agricultural Science and Technology Sightseeing Park, Hongchuan Town, Yanghe Village, and Xiping Village, this walnut fine variety is called Longnan No. 15 strain. The specific breeding method comprises the following steps:

[0031] ⑴ Stock seedling breeding

[0032] ①In spring, choose last year's local high-quality walnut new species as the rootstock, soak the seeds in cold water for 7 days, and when the walnuts are crac...

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Abstract

The invention discloses a method for selecting and breeding improved variety types of walnuts and belongs to the technical field of agriculture and biology. The method comprises steps of rootstock seedling selecting and breeding, scion collecting and processing, grafting, transplanting to land. The scions are selected from superior mother trees in native soil. The improved variety types of walnuts selected and bred after inlay-bark-tongue grafting has following advantages: good yield ability, large size, good appearance and early ripeness. The walnuts grow well especially in dry conditions of hilly areas, show properties of good drought tolerance, cold tolerance and disease resistance, and are suitable for promoting and planting in similar area. Green fruits of the improved variety types of walnuts are suitable for sale. The thickness of shells is suitable for machining. The walnuts are storable and transportable. The method promotes the development of walnut industry and increases the improved variety degree of walnut production.

Description

technical field [0001] The invention belongs to the field of agricultural biotechnology, and relates to methods for breeding and cultivating walnuts, in particular to a method for improving and screening walnut varieties and cultivating improved varieties. Background technique [0002] Walnut is one of the important dry fruit tree species rich in germplasm resources in my country. Walnut nuts have the effects of hematopoietic and qi, clearing the intestines and moistening the lungs, relieving cough and reducing phlegm, blackening hair and improving intelligence, etc., and contain more than 20 kinds of essential amino acids, which are beneficial to human health and are widely used in the field of health food therapy. Walnut trees are both economic forests and timber forests. Walnut trees are hard and smooth, and can be used to make high-grade wooden furniture. However, due to the long initial fruit-bearing period of current walnut varieties, generally needing 6-8 years, coup...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G1/00
Inventor 郭兴贵
Owner CHENGXIAN XINGFENG AGRI & FORESTRY SCI & TECH
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