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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
 
Creator Chander, S.
Ortega Beltran, A.
Bandyopadhyay, Ranajit
Sheoran, P.
Ige, G.O.
Vasconcelos, M.W.
García Oliveira, A.L.
 
Subject soybeans
disease resistance
rusts
epidemiology
phakopsora
 
Description 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.
 
Date 2019-07
2019-08-02T15:02:24Z
2019-08-02T15:02:24Z
 
Type Journal Article
 
Identifier Chander, S., Ortega-Beltran, A., Bandyopadhyay, R., Sheoran, P., Ige, G.O., Vasconcelos, M.W. & Garcia-Oliveira, A.L. (2019). Prospects for durable resistance against an old soybean enemy: a four-decade journey from Rpp1 (Resistance to Phakopsora pachyrhizi) to Rpp7. Agronomy, 9(7), 1-23.
2073-4395
https://hdl.handle.net/10568/102423
https://doi.org/10.3390/agronomy9070348
PLANT PRODUCTION & HEALTH
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 1-23
application/pdf
 
Publisher MDPI AG
 
Source Agronomy