Antagonistic activity against rice blast disease and elicitation of host-defence response capability of an endophytic Streptomyces albidoflavus OsiLf-2

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期刊论文

作者：

Gao, Y.;Zeng, X. D.;Ren, B.;Zeng, J. R.;Xu, T.;...

通讯作者：

Liu, X. M.;Zhu, Y. H.

作者机构：

[Ren, B.; Xu, T.; Zeng, X. D.; Zhu, Y. H.; Gao, Y.; Liu, X. M.; Zeng, J. R.; Zhu, Z. Y.] Hunan Univ, Coll Biol, Hunan Prov Key Lab Plant Functional Genom & Dev R, Changsha 410008, Hunan, Peoples R China.

[Yang, Y. Z.; Hu, X. C.] Yahua Seeds Sci Acad Hunan, Changsha 410119, Hunan, Peoples R China.

[Shi, L. M.] Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100081, Peoples R China.

[Zhou, G. Y.] Cent South Univ Forestry & Technol, Hunan Prov Key Lab Control Forest Dis & Pests, Changsha 410008, Hunan, Peoples R China.

[Zhou, Q.] Hunan Agr Univ, Hunan Prov Key Lab Biol & Control Plant Dis & Ins, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Liu, XM; Zhu, YH] H

Hunan Univ, Coll Biol, Hunan Prov Key Lab Plant Functional Genom & Dev R, Changsha 410008, Hunan, Peoples R China.

语种：

英文

关键词：

active metabolites;biological control;induced systemic resistance;Magnaporthe oryzae;rice endophyte;Streptomyces albidoflavus

期刊：

Plant Pathology

ISSN：

0032-0862

年：

2020

卷：

期：

页码：

259-271

DOI：

10.1111/ppa.13118

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [31672093, 31571635]

机构署名：

本校为其他机构

院系归属：

植物保护学院

摘要：

Rice blast, caused by the fungus Magnaporthe oryzae, can result in notable yield losses in rice production. The objective of this study was to investigate the potential of a rice endophytic isolate, Streptomyces albidoflavus OsiLf-2, on the control of rice blast and the possible mechanisms involved. In vitro assays displayed a variety of antagonistic effects of OsiLf-2 against different physiological races of M. oryzae, with peak mycelial growth inhibition ranging from 74.1% to 83.0%. In vivo tests of OsiLf-2 showed 18.0% and 19.6% reduction in disease index in greenhouse and field conditions,...

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Antagonistic activity against rice blast disease and elicitation of host-defence response capability of an endophytic Streptomyces albidoflavus OsiLf-2

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