Postharvest ASM or Harpin Treatment Induce Resistance of Muskmelons Against Trichothecium roseum

Postharvest ASM or Harpin Treatment Induce Resistance of Muskmelons Against Trichothecium

roseum

WANG Yi;LI Xuan;BI Yang;GE Yong-hong;LI Yong-cai;XIE Fang

【期刊名称】《农业科学学报（英文版）》 【年(卷),期】2008(007)002 【

摘

要

】

Induced

resistance

was

studied

in

muskmelons(cv.Yindi)inoculated Trichothecium roseum with postharvest 1,2,3-benzothiadiazole-7-carbothioic acid S-methyl ester(ASM)(100 mg L-1)or harpin(50 mg L-1)treatment.Both ASM and harpin significantly reduced lesion diameter in inoculated fruit.Lesion diameter was limited in the treated and untreated halves of the same fruit,indicating that the local and systemic resistance was induced.Inhibiting efficacy of elicitors lasted 7 and 5 days in the treated and untreated halves.The resistance increased by the chemicals was associated with the activation of peroxidase(POD)and chitinase(CHT).The elicitors induced a significantly and progressively increasing activity of POD and CHT in the treated and untreated halves,and the activation lasted at least 5 days.The activities of POD isoenzymes increased in the treated fruit.However,no new enzyme band was found in the treated and untreated halves. 【总页数】7页(217-223)

【关键词】muskmelon,elicitor,decay,induced resistance

【作者】WANG Yi;LI Xuan;BI Yang;GE Yong-hong;LI Yong-cai;XIE Fang 【作者单位】College of Food Science and Engineering,Gansu Agricultural Unversity,Lanzhou 730070,P.R.China;College of Food Science

and

Engineering,Gansu

Agricultural

Unversity,Lanzhou

730070,P.R.China;College of Food Science and Engineering,Gansu Agricultural Unversity,Lanzhou 730070,P.R.China;College of Food Science

and

Engineering,Gansu

Agricultural

Unversity,Lanzhou

730070,P.R.China;College of Food Science and Engineering,Gansu Agricultural Unversity,Lanzhou 730070,P.R.China;College of Chemical and Biological Engineering,Lanzhou Jiaotong University,Lanzhou 730070,P.R.China 【正文语种】中文 【中图分类】S6 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_journal-integrative-agriculture_thesis/020126266229.html 【相关文献】

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