抗轮纹病苹果砧木‘烟砧一号’抗病机理初探

园艺学报 ›› 2010, Vol. 37 ›› Issue (2): 297-302.

抗轮纹病苹果砧木‘烟砧一号’抗病机理初探

赵玲玲;宋来庆;李元军;于青;刘美英;张振英;姜中武

(山东省烟台市农业科学研究院果树研究所，山东烟台 265500)

收稿日期:2009-10-14 修回日期:2009-12-30 出版日期:2010-02-25 发布日期:2010-02-25
通讯作者: 姜中武

Studies on Breeding of‘Yanzhen 1’Apple Stock and Its Mechanism of AppleRough Bark Disease Resistance

ZHAO Ling-ling;SONG Lai-qing;LI Yuan-jun;YU Qing;LIU Mei-ying;ZHANG Zhen-ying;JIANG Zhong-wu

(Fruit Institute，Yantai Academy of Agricultural Sciences，Yantai，Shandong 265500, China)

Received:2009-10-14 Revised:2009-12-30 Online:2010-02-25 Published:2010-02-25
Contact: JIANG Zhong-wu

摘要/Abstract

摘要： 以选育出的抗苹果轮纹病砧木‘烟砧一号’为试材，研究了‘烟砧一号’作高干中间砧对红富士苹果植物学特性、枝干和果实抗轮纹病的影响，以及富士与‘烟砧一号’杂交后代对轮纹病的抗性分离情况。结果表明：‘烟砧一号’作中间砧能明显降低富士枝干和果实轮纹病的发病率，显著增加富士枝条的节间长度、髓部直径、木质部厚度，显著降低枝条的枝皮率；对枝条的皮孔密度、韧皮部厚度没有显著影响；‘烟砧一号’作中间砧能显著提高富士叶片防御酶活性，嫁接‘烟砧一号’中间砧的5 年生富士的CAT、PAL、PPO、SOD 和POD 的酶活性分别是对照的2.05、1.88、1.91、1.07 和1.44 倍。富士与‘烟砧一号’杂交后代抗病个体占15.7%，感病个体为84.3%。

关键词: 苹果, 苹果轮纹病, 砧木, 抗病性

Abstract: The botanical properties and the effect on upper variety were studied in Yanzhen 1 as interstock of which was resistance to apple ring rot disease. The results showed that the upper variety of which using Yanzhen 1 as interstock could decrease the incidence of apple ring spot and apple ring rot. The internode length，diameter of trunk pith and thickness of xylem were increased，whereas ratio of bark of root and shoot decreased. The lenticel density and thickness of epidermal layers had not been affected. The
activities of defend-related enzymes of Fuji were significantly enhanced. The CAT，PAL，PPO，SOD and POD enzymes activity of Fuji that of using Yanzhen 1 was 2.05，1.88，1.91，1.07 and 1.44-fold compared with that of not using Yanzhen 1 as interstock. Among of hybrid seedlings between Fuji and Yanzhen 1，the rate of disease-resistant seedlings was 15.7%，and others was 84.3%.

Key words: apple, apple rough bark disease, stock, disease resistance

中图分类号:

S 661.1

赵玲玲;宋来庆;李元军;于青;刘美英;张振英;姜中武. 抗轮纹病苹果砧木‘烟砧一号’抗病机理初探[J]. 园艺学报, 2010, 37(2): 297-302.

ZHAO Ling-ling;SONG Lai-qing;LI Yuan-jun;YU Qing;LIU Mei-ying;ZHANG Zhen-ying;JIANG Zhong-wu. Studies on Breeding of‘Yanzhen 1’Apple Stock and Its Mechanism of AppleRough Bark Disease Resistance[J]. ACTA HORTICULTURAE SINICA, 2010, 37(2): 297-302.

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