Xu Zhaofei Liu Yaguang.STUDY ON LNDUCTION OF TOTAL PODYPHENOL AND TOTAL FLAVONOIDIN SOYBEAN LEAVES BYCERCOSPORA SOJ INA HARA[J].Soybean Science,2006,25(03):234-238.[doi:10.11861/j.issn.1000-9841.2006.03.0234]
灰斑病菌对大豆叶片总多酚和总黄酮的诱导研究*
- Title:
- STUDY ON LNDUCTION OF TOTAL PODYPHENOL AND TOTAL FLAVONOIDIN SOYBEAN LEAVES BYCERCOSPORA SOJ INA HARA
- 文献标志码:
- A
- 摘要:
- 利用大豆灰斑病菌不同致病力的生理小种接种抗感不同的大豆品种 ,结果表明:大豆叶片内总黄酮类物质的含量与品种的抗病性呈明显正相关;感病品种叶片内总多酚含量变化显著降低,抗病品种总体变化不大 。接种致病力强的生理小种能够大幅度提高抗病品种体内总黄酮含量 ,这一结果可以作为筛选和鉴定抗病品种的一种生化指标;大豆灰斑病菌弱毒菌株能够诱导感病品种体内总黄酮含量提高, 进而提高大豆的抗病性, 这一结果为大豆灰斑病的生物防治提供了依据。
- Abstract:
- After inoculated soybeans of different resistance with different pathogenic races of Cercosporasojina Hara , the results showed that there was apositive correlation between total flavonoid content andthe resistance of soybean variety to frogeye leaf spot. Total polyphenol content in sensitive soybean culti-vars was under the control , that also was markedly lower than in resistant cultivars. Total flavonoid con-tent rose highly in resistant soybeans that were inoculated with strong pathogenic races , which was servedas a biochemical indicator screening and identifying resistant variety. The weak pathogenic race could in-crease the total flavonoid content , then enhanced soybean resistance. These offered a feasible basis to bio-control of frogeye leaf spot.
参考文献/References:
1 王金生. 植物抗病性分子机制[ J] . 植物病理学报, 1995, 25(4):289~ 295.
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备注/Memo
基金项目:哈尔滨市科技局, 学科后备带头人基金(2004AFXXJ049), 大豆生物学教育部重点实验室主任基金项目资助