Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance

Abstract Indigenous folk rice cultivars often possess remarkable but unrevealed potential in terms of nutritional attributes and biotic stress tolerance. The unique cooking qualities and blissful aroma of many of these landraces make it an attractive low-cost alternative to high priced Basmati rice....

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Autores principales:	Debayan Mondal, Prudveesh Kantamraju, Susmita Jha, Gadge Sushant Sundarrao, Arpan Bhowmik, Hillol Chakdar, Somnath Mandal, Nandita Sahana, Bidhan Roy, Prateek Madhab Bhattacharya, Apurba Kr Chowdhury, Ashok Choudhury
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7270cc899f39409d9e607c11ab2bbf36
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spelling	oai:doaj.org-article:7270cc899f39409d9e607c11ab2bbf362021-12-02T15:53:43ZEvaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance10.1038/s41598-021-83921-72045-2322https://doaj.org/article/7270cc899f39409d9e607c11ab2bbf362021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83921-7https://doaj.org/toc/2045-2322Abstract Indigenous folk rice cultivars often possess remarkable but unrevealed potential in terms of nutritional attributes and biotic stress tolerance. The unique cooking qualities and blissful aroma of many of these landraces make it an attractive low-cost alternative to high priced Basmati rice. Sub-Himalayan Terai region is bestowed with great agrobiodiversity in traditional heirloom rice cultivars. In the present study, ninety-nine folk rice cultivars from these regions were collected, purified and characterized for morphological and yield traits. Based on traditional importance and presence of aroma, thirty-five genotypes were selected and analyzed for genetic diversity using micro-satellite marker system. The genotypes were found to be genetically distinct and of high nutritive value. The resistant starch content, amylose content, glycemic index and antioxidant potential of these genotypes represented wide variability and ‘Kataribhog’, ‘Sadanunia’, ‘Chakhao’ etc. were identified as promising genotypes in terms of different nutritional attributes. These cultivars were screened further for resistance against blast disease in field trials and cultivars like ‘Sadanunia’, ‘T4M-3-5’, ‘Chakhao Sampark’ were found to be highly resistant to the blast disease whereas ‘Kalonunia’, ‘Gobindabhog’, ‘Konkanijoha’ were found to be highly susceptible. Principal Component analysis divided the genotypes in distinct groups for nutritional potential and blast tolerance. The resistant and susceptible genotypes were screened for the presence of the blast resistant pi genes and association analysis was performed with disease tolerance. Finally, a logistic model based on phenotypic traits for prediction of the blast susceptibility of the genotypes is proposed with more than 80% accuracy.Debayan MondalPrudveesh KantamrajuSusmita JhaGadge Sushant SundarraoArpan BhowmikHillol ChakdarSomnath MandalNandita SahanaBidhan RoyPrateek Madhab BhattacharyaApurba Kr ChowdhuryAshok ChoudhuryNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-25 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Debayan Mondal Prudveesh Kantamraju Susmita Jha Gadge Sushant Sundarrao Arpan Bhowmik Hillol Chakdar Somnath Mandal Nandita Sahana Bidhan Roy Prateek Madhab Bhattacharya Apurba Kr Chowdhury Ashok Choudhury Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
description	Abstract Indigenous folk rice cultivars often possess remarkable but unrevealed potential in terms of nutritional attributes and biotic stress tolerance. The unique cooking qualities and blissful aroma of many of these landraces make it an attractive low-cost alternative to high priced Basmati rice. Sub-Himalayan Terai region is bestowed with great agrobiodiversity in traditional heirloom rice cultivars. In the present study, ninety-nine folk rice cultivars from these regions were collected, purified and characterized for morphological and yield traits. Based on traditional importance and presence of aroma, thirty-five genotypes were selected and analyzed for genetic diversity using micro-satellite marker system. The genotypes were found to be genetically distinct and of high nutritive value. The resistant starch content, amylose content, glycemic index and antioxidant potential of these genotypes represented wide variability and ‘Kataribhog’, ‘Sadanunia’, ‘Chakhao’ etc. were identified as promising genotypes in terms of different nutritional attributes. These cultivars were screened further for resistance against blast disease in field trials and cultivars like ‘Sadanunia’, ‘T4M-3-5’, ‘Chakhao Sampark’ were found to be highly resistant to the blast disease whereas ‘Kalonunia’, ‘Gobindabhog’, ‘Konkanijoha’ were found to be highly susceptible. Principal Component analysis divided the genotypes in distinct groups for nutritional potential and blast tolerance. The resistant and susceptible genotypes were screened for the presence of the blast resistant pi genes and association analysis was performed with disease tolerance. Finally, a logistic model based on phenotypic traits for prediction of the blast susceptibility of the genotypes is proposed with more than 80% accuracy.
format	article
author	Debayan Mondal Prudveesh Kantamraju Susmita Jha Gadge Sushant Sundarrao Arpan Bhowmik Hillol Chakdar Somnath Mandal Nandita Sahana Bidhan Roy Prateek Madhab Bhattacharya Apurba Kr Chowdhury Ashok Choudhury
author_facet	Debayan Mondal Prudveesh Kantamraju Susmita Jha Gadge Sushant Sundarrao Arpan Bhowmik Hillol Chakdar Somnath Mandal Nandita Sahana Bidhan Roy Prateek Madhab Bhattacharya Apurba Kr Chowdhury Ashok Choudhury
author_sort	Debayan Mondal
title	Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
title_short	Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
title_full	Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
title_fullStr	Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
title_full_unstemmed	Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance
title_sort	evaluation of indigenous aromatic rice cultivars from sub-himalayan terai region of india for nutritional attributes and blast resistance
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7270cc899f39409d9e607c11ab2bbf36
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Evaluation of indigenous aromatic rice cultivars from sub-Himalayan Terai region of India for nutritional attributes and blast resistance

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