|本期目录/Table of Contents|

[1]宋凤鸣,郑重,葛秀春.酚类物质在棉花对枯萎病抗性中的作用[J].应用与环境生物学报,1997,3(01):71-75.
 Song Fengming,Zheng Zhong,Ge Xiuchun.INVOLVEMENT OF PHENOLIC COMPOUNDS IN THE RESISTANCE OF COTTON SEEDLINGS TO FUSARIUM WILT[J].Chinese Journal of Applied & Environmental Biology,1997,3(01):71-75.
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酚类物质在棉花对枯萎病抗性中的作用()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
3卷
期数:
1997年01期
页码:
71-75
栏目:
论文
出版日期:
1997-02-25

文章信息/Info

Title:
INVOLVEMENT OF PHENOLIC COMPOUNDS IN THE RESISTANCE OF COTTON SEEDLINGS TO FUSARIUM WILT
作者:
宋凤鸣 郑重 葛秀春
浙江农业大学植物保护系, 杭州310029
Author(s):
Song Fengming Zheng Zhong Ge Xiuchun
Department of Plant Protection, Zhejiang Agricultural University, Hangzhou 310029
关键词:
棉花棉花枯萎病(Fusariumoxysporum f.sp.vasinfectum)氟乐灵抗病性/诱导抗性可溶性酚黄酮醇不溶性胞壁结合酚
Keywords:
cottoncotton Fusarium wilt (Fusarium oxysporum f. sp. vasinfectum)trifluralinresistance/induced-resisrancesoluble phenolicsinsoluble cell wall bound phenolic compounds
摘要:
分析了枯萎病菌侵染及氟乐灵诱发处理后,棉苗叶片和根茎部组织中可溶性酚和黄酮醇以及不溶性细胞结合酚(胞壁结合简单酚、胞壁结合复杂酚聚合物及胞壁结合黄酮醇)含量的变化.结果表明:抗病品种棉苗组织中酚类物质的含量高于感病品种棉苗中的含量,氟乐灵诱发处理促进了棉苗组织中酚类物质的积累;枯萎病菌侵染可明显提高棉苗体内的酚含量,但抗病品种棉苗及经氟乐灵诱发处理并产生诱导抗性的棉苗受侵后其组织中酚含量的增加幅度更大.由此认为,棉花体内的酚类物质与棉花对枯萎病的抗病性以及由氟乐灵诱发的诱导抗性有关.
Abstract:
This paper presents the study on the changed in contents of soluble phenolics, flavonoid and insoluble cell wall bound phenolic compounds(including simple cell wall bound phenols, cell wall bound phenolic polymers and cell wall bound flavonoids) in leaves and stems/roots of cotton seedlilngs after infection by Fusarium oxysporum f. sp. vasinfectum(Fov) or pretreatment with trifluralin. The levels of soluble and insoluble cell wall bound phenolic compounds in the seedlings of resistant cultivar were higher than those in susceptible seedlings. Pretreatment with trifluralin at 2μg.g-1 soil, which had been demonstrated to enhance the resistance of cotton seedlings to Fusarium wilt, increased the levels of the soluble and insoluble cell wall bound phenolic compounds. After infecton by Fov, the levels of soluble and insoluble cell wall bound phenolic compounds in the seedlings of both tested cultivars were increased. However, the increases in the seedlings of resistant cultivar and in the trifluralin-treated seedlings with induced-resistance were more marked than that in susceptible one. The results suggest that the increased levels of phenolic compounds in cotton seedlings after infection by Fov or pretreatment with trifluralin play a role in the resistance and the trifluralin-induced resistance to Fusarium wilt.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:1995-12-13;接受日期:1996-6-26。
基金项目:浙江省自然科学基金。
更新日期/Last Update: 1900-01-01