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学科主题: 物理化学
题名: The primary study of oligochitosan inducing resistance to Sclerotinia sclerotiorum on Brassica napus
作者: Yin H(尹恒) ;  Bai XF(白雪芳) ;  Du YG(杜昱光)
会议名称: The 13th International Biotechnology Symposium
会议日期: 2008-10-12
出版日期: 2008-10-12
会议地点: 中国
通讯作者: 杜昱光
部门归属: 十八室
主办者: 中国科学院 中国工程院 中华人民共和国教育部 中华人民共和国科学技术部 中华人民共和国国家发展改革委员会
摘要: Oligochitosan was considered to be a potent plant defense elicitor(Yin et al., 2006; Zhao et al., 2007); in this paper, the inducing resistance of oligochitosan to Sclerotinia sclerotiorum (SS) on Brassica napus was studied. Whereas oligochitosan did not affect radial growth of SS colonies on potato dextrose agar plates, it reduced the frequency and size of rot compared to untreated controls when applied to oilseed rapes before inoculation with SS. The best inducing resistance concentration of oligochitosan was 50 gmL−1 and the best pretreated time was 3 days before inoculation with SS. mRNAlevels ofPDF1.2were inducedby oligochitosan, and the activityof a jasmonate acid biosynthesis enzyme lipoxygenase (LOX) was induced by oligochitosan on leaves. These results suggest that oligochitosan treatments induced B. napus host resistance to S. sclerotiorum through the JA/ET signaling pathway.
语种: 中文
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内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113266
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Yin H,Bai XF,Du YG. The primary study of oligochitosan inducing resistance to Sclerotinia sclerotiorum on Brassica napus[C]. 见:The 13th International Biotechnology Symposium. 中国. 2008-10-12.
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