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Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust

Leaf rust (Puccinia triticina Eriks.) is a fungal disease of wheat (Triticum spp.), which causes considerable yield loss. Adult plant resistance (APR) is one of the most sustainable approaches to control leaf rust. In this study, field-testing was carried out across ten different locations, followed...

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Autores principales: Kumar, Sundeep, Phogat, B. S., Vikas, V. K., Sharma, A. K., Saharan, M. S., Singh, Amit Kumar, Kumari, Jyoti, Singh, Rakesh, Jacob, Sherry Rachel, Singh, G. P., Sivasamy, M., Jayaprakash, P., Meeta, M., Jaiswal, J. P., Shikha, Deep, Honrao, B. K., Kalappanavar, I. K., Mishra, P. C., Singh, S. P., Vaish, S. S., Solanki, V. A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6438482/
https://www.ncbi.nlm.nih.gov/pubmed/30921352
http://dx.doi.org/10.1371/journal.pone.0213468
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author Kumar, Sundeep
Phogat, B. S.
Vikas, V. K.
Sharma, A. K.
Saharan, M. S.
Singh, Amit Kumar
Kumari, Jyoti
Singh, Rakesh
Jacob, Sherry Rachel
Singh, G. P.
Sivasamy, M.
Jayaprakash, P.
Meeta, M.
Jaiswal, J. P.
Shikha, Deep
Honrao, B. K.
Kalappanavar, I. K.
Mishra, P. C.
Singh, S. P.
Vaish, S. S.
Solanki, V. A.
author_facet Kumar, Sundeep
Phogat, B. S.
Vikas, V. K.
Sharma, A. K.
Saharan, M. S.
Singh, Amit Kumar
Kumari, Jyoti
Singh, Rakesh
Jacob, Sherry Rachel
Singh, G. P.
Sivasamy, M.
Jayaprakash, P.
Meeta, M.
Jaiswal, J. P.
Shikha, Deep
Honrao, B. K.
Kalappanavar, I. K.
Mishra, P. C.
Singh, S. P.
Vaish, S. S.
Solanki, V. A.
author_sort Kumar, Sundeep
collection PubMed
description Leaf rust (Puccinia triticina Eriks.) is a fungal disease of wheat (Triticum spp.), which causes considerable yield loss. Adult plant resistance (APR) is one of the most sustainable approaches to control leaf rust. In this study, field-testing was carried out across ten different locations, followed by molecular screening, to detect the presence of APR genes, Lr34+, Lr46+, Lr67+ and Lr68 in Indian wheat germplasm. In field screening, 190 wheat accessions were selected from 6,319 accessions based on leaf tip necrosis (LTN), disease severity and the average coefficient of infection. Molecular screening revealed that 73% of the accessions possessed known APR genes either as single or as a combination of two or three genes. The occurrence of increased LTN intensity, decreased leaf rust severity and greater expression of APR genes were more in relatively cooler locations. In 52 lines, although the presence of the APR genes was not detected, it still displayed high levels of resistance. Furthermore, 49 accessions possessing either two or three APR genes were evaluated for stability across locations for grain yield. It emerged that eight accessions had wider adaptability. Resistance based on APR genes, in the background of high yielding cultivars, is expected to provide a high level of race non-specific resistance, which is durable.
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spelling pubmed-64384822019-04-12 Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust Kumar, Sundeep Phogat, B. S. Vikas, V. K. Sharma, A. K. Saharan, M. S. Singh, Amit Kumar Kumari, Jyoti Singh, Rakesh Jacob, Sherry Rachel Singh, G. P. Sivasamy, M. Jayaprakash, P. Meeta, M. Jaiswal, J. P. Shikha, Deep Honrao, B. K. Kalappanavar, I. K. Mishra, P. C. Singh, S. P. Vaish, S. S. Solanki, V. A. PLoS One Research Article Leaf rust (Puccinia triticina Eriks.) is a fungal disease of wheat (Triticum spp.), which causes considerable yield loss. Adult plant resistance (APR) is one of the most sustainable approaches to control leaf rust. In this study, field-testing was carried out across ten different locations, followed by molecular screening, to detect the presence of APR genes, Lr34+, Lr46+, Lr67+ and Lr68 in Indian wheat germplasm. In field screening, 190 wheat accessions were selected from 6,319 accessions based on leaf tip necrosis (LTN), disease severity and the average coefficient of infection. Molecular screening revealed that 73% of the accessions possessed known APR genes either as single or as a combination of two or three genes. The occurrence of increased LTN intensity, decreased leaf rust severity and greater expression of APR genes were more in relatively cooler locations. In 52 lines, although the presence of the APR genes was not detected, it still displayed high levels of resistance. Furthermore, 49 accessions possessing either two or three APR genes were evaluated for stability across locations for grain yield. It emerged that eight accessions had wider adaptability. Resistance based on APR genes, in the background of high yielding cultivars, is expected to provide a high level of race non-specific resistance, which is durable. Public Library of Science 2019-03-28 /pmc/articles/PMC6438482/ /pubmed/30921352 http://dx.doi.org/10.1371/journal.pone.0213468 Text en © 2019 Kumar et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Kumar, Sundeep
Phogat, B. S.
Vikas, V. K.
Sharma, A. K.
Saharan, M. S.
Singh, Amit Kumar
Kumari, Jyoti
Singh, Rakesh
Jacob, Sherry Rachel
Singh, G. P.
Sivasamy, M.
Jayaprakash, P.
Meeta, M.
Jaiswal, J. P.
Shikha, Deep
Honrao, B. K.
Kalappanavar, I. K.
Mishra, P. C.
Singh, S. P.
Vaish, S. S.
Solanki, V. A.
Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title_full Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title_fullStr Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title_full_unstemmed Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title_short Mining of Indian wheat germplasm collection for adult plant resistance to leaf rust
title_sort mining of indian wheat germplasm collection for adult plant resistance to leaf rust
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6438482/
https://www.ncbi.nlm.nih.gov/pubmed/30921352
http://dx.doi.org/10.1371/journal.pone.0213468
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