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Prospects for Durable Resistance Against an Old Soybean Enemy: A Four-Decade Journey from Rpp1 (Resistance to Phakopsora pachyrhizi) to Rpp7

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Title Prospects for Durable Resistance Against an Old Soybean Enemy: A Four-Decade Journey from Rpp1 (Resistance to Phakopsora pachyrhizi) to Rpp7
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Creator Subhash Chander, Alejandro Ortega-Beltran, Ranajit Bandyopadhyay, Parvender Sheoran, Gbemisola Oluwayemisi Ige, Marta W Vasconcelos, Ana Luisa Garcia-Oliveira
 
Subject Asian soybean rust; soybean rust; long-lasting resistance; molecular diagnostics; P. pachyrhizi
 
Description Not Available
Soybean rust (SBR), caused by Phakopsora spp., is a major global concern for soybean
producers. SBR causing fungi are polycyclic and obligate biotrophs, rendering the study of their
biology particularly tedious. Over the past four decades, substantial progress has been made towards
understanding the epidemiology of the disease, the identification of sources of resistance, and
the mapping of soybean loci conferring resistance to P. pachyrhizi (Rpp genes), since this species is
particularly well established and widespread in many soybean growing areas. Although host-plant
resistance is generally considered as the most desirable solution from an environmental, economic,
and social perspective, other disease control approaches such as agronomic practices and chemical
application are also important, and influence rust epidemiology as well as the durability of host plant
resistance. This review focusses primarily on genetic aspects of SBR management and summarizes
the research in the following areas: SBR symptoms, aetiology, pathogenic variation and population
structure of Phakopsora populations, expression of soybean resistance to Phakopsora infection, genetics
and molecular diagnostics of host resistance to pathogen, and resistance gene deployment approaches.
Finally, the role of multidisciplinary strategies is discussed for achieving higher durability of SBR
resistance in soybean.
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Date 2019-10-15T07:01:36Z
2019-10-15T07:01:36Z
2019-01-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/23393
 
Language English
 
Relation Not Available;
 
Publisher Multidisciplinary Digital Publishing Institute