Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.

The root system architectures (RSAs) largely decide the phosphorus use efficiency (PUE) of plants by influencing the phosphorus uptake. Very limited information is available on wheat's RSAs and their deciding factors affecting phosphorus uptake efficiency (PupE) due to difficulties in adopting...

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Autores principales:	Palaparthi Dharmateja, Manjeet Kumar, Rakesh Pandey, Pranab Kumar Mandal, Prashanth Babu, Naresh Kumar Bainsla, Kiran B Gaikwad, Vipin Tomar, Kamre Kranthi Kumar, Narain Dhar, Rihan Ansari, Nasreen Saifi, Rajbir Yadav
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e4498756de9f4d8e8fb8417a1ba23ea1
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spelling	oai:doaj.org-article:e4498756de9f4d8e8fb8417a1ba23ea12021-12-02T20:13:52ZDeciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.1932-620310.1371/journal.pone.0255840https://doaj.org/article/e4498756de9f4d8e8fb8417a1ba23ea12021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255840https://doaj.org/toc/1932-6203The root system architectures (RSAs) largely decide the phosphorus use efficiency (PUE) of plants by influencing the phosphorus uptake. Very limited information is available on wheat's RSAs and their deciding factors affecting phosphorus uptake efficiency (PupE) due to difficulties in adopting scoring values used for evaluating root traits. Based on our earlier research experience on nitrogen uptake efficiency screening under, hydroponics and soil-filled pot conditions, a comprehensive study on 182 Indian bread wheat genotypes was carried out under hydroponics with limited P (LP) and non-limiting P (NLP) conditions. The findings revealed a significant genetic variation, root traits correlation, and moderate to high heritability for RSAs traits namely primary root length (PRL), total root length (TRL), total root surface area (TSA), root average diameter (RAD), total root volume (TRV), total root tips (TRT) and total root forks (TRF). In LP, the expressions of TRL, TRV, TSA, TRT and TRF were enhanced while PRL and RAD were diminished. An almost similar pattern of correlations among the RSAs was also observed in both conditions except for RAD. RAD exhibited significant negative correlations with PRL, TRL, TSA, TRT and TRF under LP (r = -0.45, r = -0.35, r = -0.16, r = -0.30, and r = -0.28 respectively). The subclass of TRL, TSA, TRV and TRT representing the 0-0.5 mm diameter had a higher root distribution percentage in LP than NLP. Comparatively wide range of H' value i.e. 0.43 to 0.97 in LP than NLP indicates that expression pattern of these traits are highly influenced by the level of P. In which, RAD (0.43) expression was reduced in LP, and expressions of TRF (0.91) and TSA (0.97) were significantly enhanced. The principal component analysis for grouping of traits and genotypes over LP and NLP revealed a high PC1 score indicating the presence of non-crossover interactions. Based on the comprehensive P response index value (CPRI value), the top five highly P efficient wheat genotypes namely BW 181, BW 103, BW 104, BW 143 and BW 66, were identified. Considering the future need for developing resource-efficient wheat varieties, these genotypes would serve as valuable genetic sources for improving P efficiency in wheat cultivars. This set of genotypes would also help in understanding the genetic architecture of a complex trait like P use efficiency.Palaparthi DharmatejaManjeet KumarRakesh PandeyPranab Kumar MandalPrashanth BabuNaresh Kumar BainslaKiran B GaikwadVipin TomarKamre Kranthi KumarNarain DharRihan AnsariNasreen SaifiRajbir YadavPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0255840 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Palaparthi Dharmateja Manjeet Kumar Rakesh Pandey Pranab Kumar Mandal Prashanth Babu Naresh Kumar Bainsla Kiran B Gaikwad Vipin Tomar Kamre Kranthi Kumar Narain Dhar Rihan Ansari Nasreen Saifi Rajbir Yadav Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
description	The root system architectures (RSAs) largely decide the phosphorus use efficiency (PUE) of plants by influencing the phosphorus uptake. Very limited information is available on wheat's RSAs and their deciding factors affecting phosphorus uptake efficiency (PupE) due to difficulties in adopting scoring values used for evaluating root traits. Based on our earlier research experience on nitrogen uptake efficiency screening under, hydroponics and soil-filled pot conditions, a comprehensive study on 182 Indian bread wheat genotypes was carried out under hydroponics with limited P (LP) and non-limiting P (NLP) conditions. The findings revealed a significant genetic variation, root traits correlation, and moderate to high heritability for RSAs traits namely primary root length (PRL), total root length (TRL), total root surface area (TSA), root average diameter (RAD), total root volume (TRV), total root tips (TRT) and total root forks (TRF). In LP, the expressions of TRL, TRV, TSA, TRT and TRF were enhanced while PRL and RAD were diminished. An almost similar pattern of correlations among the RSAs was also observed in both conditions except for RAD. RAD exhibited significant negative correlations with PRL, TRL, TSA, TRT and TRF under LP (r = -0.45, r = -0.35, r = -0.16, r = -0.30, and r = -0.28 respectively). The subclass of TRL, TSA, TRV and TRT representing the 0-0.5 mm diameter had a higher root distribution percentage in LP than NLP. Comparatively wide range of H' value i.e. 0.43 to 0.97 in LP than NLP indicates that expression pattern of these traits are highly influenced by the level of P. In which, RAD (0.43) expression was reduced in LP, and expressions of TRF (0.91) and TSA (0.97) were significantly enhanced. The principal component analysis for grouping of traits and genotypes over LP and NLP revealed a high PC1 score indicating the presence of non-crossover interactions. Based on the comprehensive P response index value (CPRI value), the top five highly P efficient wheat genotypes namely BW 181, BW 103, BW 104, BW 143 and BW 66, were identified. Considering the future need for developing resource-efficient wheat varieties, these genotypes would serve as valuable genetic sources for improving P efficiency in wheat cultivars. This set of genotypes would also help in understanding the genetic architecture of a complex trait like P use efficiency.
format	article
author	Palaparthi Dharmateja Manjeet Kumar Rakesh Pandey Pranab Kumar Mandal Prashanth Babu Naresh Kumar Bainsla Kiran B Gaikwad Vipin Tomar Kamre Kranthi Kumar Narain Dhar Rihan Ansari Nasreen Saifi Rajbir Yadav
author_facet	Palaparthi Dharmateja Manjeet Kumar Rakesh Pandey Pranab Kumar Mandal Prashanth Babu Naresh Kumar Bainsla Kiran B Gaikwad Vipin Tomar Kamre Kranthi Kumar Narain Dhar Rihan Ansari Nasreen Saifi Rajbir Yadav
author_sort	Palaparthi Dharmateja
title	Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
title_short	Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
title_full	Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
title_fullStr	Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
title_full_unstemmed	Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.
title_sort	deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in indian bread wheat germplasm.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/e4498756de9f4d8e8fb8417a1ba23ea1
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Deciphering the change in root system architectural traits under limiting and non-limiting phosphorus in Indian bread wheat germplasm.

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