Effect of Inter Stock ‘Zhong ai 1hao'on the Structure of Spindle-shaped 'Huangguan' Pear Trees

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英文篇名：Effect of Inter Stock ‘Zhong ai 1hao'on the Structure of Spindle-shaped 'Huangguan' Pear Trees 作者：Shuwei ; WEI ; Xiaochang ; DONG ; Ran ; DONG ; Kun ; RAN ; Hongwei ; WANG ; Shaomin ; WANG 英文作者：Shuwei WEI;Xiaochang DONG;Ran DONG;Kun RAN;Hongwei WANG;Shaomin WANG;Shandong Institute of Pomology; 英文关键词：Pear;;'Zhong ai 1 hao';;Spindle-shaped;;Tree structure 中文刊名：AGBT 英文刊名：农业生物技术(英文版) 机构：Shandong Institute of Pomology; 出版日期：2019-02-15 出版单位：Agricultural Biotechnology 年：2019 期：v.8 基金：Supported by the China Agriculture Research System(Pear)(CARS-28-36);; the National Natural Science Foundation of China(31601708);; the Agricultural Stock Breeding Project of Shandong Province(2016LZGC034);; the Youth Foundation of Shandong Academy of Agricultural Sciences(2015YQN40);; the National Science and Technology Plan for Rural Areas of China(2014BAD16B03-4);; the Project for Agricultural Science and Technology Innovation of Shandong Academy of Agricultural Sciences(CXGC2018F03);; the Key Science and Technology Innovation Project of Shandong Province(2018CXGC0208) 语种：英文; 页：AGBT201901038 页数：3 CN：01 分类号：160-161+165

摘要

In order to investigate the effect of dwarfing inter stock on the structure of pear trees,investigations were made to the tree and group structure of the 4-year-old spindle-shaped‘Huangguan'pear grafted with vigorous stock( Pyrus betulaefolia stock) and that grafted with the dwarfing inter stock‘Zhong ai 1 hao'( P. betulaefolia rootstock). The results showed that the 4-year-old‘Huangguan'pear trees grafted with the dwarfing inter stock‘ Zhong ai 1 hao'were 2. 87 m high on average,with 70. 70% of short braches,converted into 21 016. 0 branches per 667 m~2,840. 64 m~2 of leaf area per 667 m~2 with the leaf area coefficient of 1. 75.On the other hand,for the‘Huangguan'trees grafted with vigorous stocks,the average tree height was 3. 17 m,and the short branch proportion was 63. 20%,converted into 15 806. 4 branches per 667 m~2,719. 28 m~2 of leaf area per 667 m~2 with the leaf area coefficient of 1. 55. Therefore,the use of dwarfing inter stock‘Zhong ai 1 hao'had significant dwarfing effect on‘Huangguan'pear trees,which also showed significant yield increasing effect.
        In order to investigate the effect of dwarfing inter stock on the structure of pear trees,investigations were made to the tree and group structure of the 4-year-old spindle-shaped‘Huangguan'pear grafted with vigorous stock( Pyrus betulaefolia stock) and that grafted with the dwarfing inter stock‘Zhong ai 1 hao'( P. betulaefolia rootstock). The results showed that the 4-year-old‘Huangguan'pear trees grafted with the dwarfing inter stock‘ Zhong ai 1 hao'were 2. 87 m high on average,with 70. 70% of short braches,converted into 21 016. 0 branches per 667 m~2,840. 64 m~2 of leaf area per 667 m~2 with the leaf area coefficient of 1. 75.On the other hand,for the‘Huangguan'trees grafted with vigorous stocks,the average tree height was 3. 17 m,and the short branch proportion was 63. 20%,converted into 15 806. 4 branches per 667 m~2,719. 28 m~2 of leaf area per 667 m~2 with the leaf area coefficient of 1. 55. Therefore,the use of dwarfing inter stock‘Zhong ai 1 hao'had significant dwarfing effect on‘Huangguan'pear trees,which also showed significant yield increasing effect.

引文

[1]ZHANG SL,ZHOU YH.Pear industry development trends and recommendations in 2012[J].China Fruit news,2012,29(2):25-27.
    [2]JIANG SL,JIA JX,JI BS,et al.Pear dwarfing rootstock‘Zhong ai 1hao’[J].China Fruits,2000(3):1-3.