Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins

Bread wheat (<i<Triticum aestivum</i< L.) is a major staple crop, and more adapted varieties are needed to ensure productivity under unpredictable stress scenarios resulting from climate changes. In the development of new genotypes, root system traits are essential since roots have a key...
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Autor*in:	Isabel P. Pais [verfasserIn] Rita Moreira [verfasserIn] José N. Semedo [verfasserIn] Fernando H. Reboredo [verfasserIn] Fernando C. Lidon [verfasserIn] José Coutinho [verfasserIn] Benvindo Maçãs [verfasserIn] Paula Scotti-Campos [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	seminal roots root growth angle seminal root number seminal root length

Übergeordnetes Werk:	In: Plants - MDPI AG, 2013, 11(2022), 21, p 2842
Übergeordnetes Werk:	volume:11 ; year:2022 ; number:21, p 2842

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/plants11212842

Katalog-ID:	DOAJ083585753

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allfieldsSound	10.3390/plants11212842 doi (DE-627)DOAJ083585753 (DE-599)DOAJ0746b0bb0e71408eb054724436c87146 DE-627 ger DE-627 rakwb eng QK1-989 Isabel P. Pais verfasserin aut Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bread wheat (<i<Triticum aestivum</i< L.) is a major staple crop, and more adapted varieties are needed to ensure productivity under unpredictable stress scenarios resulting from climate changes. In the development of new genotypes, root system traits are essential since roots have a key function in water and nutrient uptake, and root architecture determines the plant’s ability to spatially explore the soil resources. Genetic variation in wheat root system may be assessed at the early stages of development. This study evaluates in vitro and at the seedling stage, the genetic diversity of root growth angle (RGA), seminal root number (SRN), and radicle length (RadL) in 30 bread wheat genotypes from different origins and belonging to distinct evolutive or breeding groups. SRN and RadL were analyzed at 1, 2, 3 and 6 days after sowing (DAS) and RGA was measured through the angle between the first pair of seminal roots. A large variability was found in RGA values that ranged from 63° to 122°. Although differences were found between genotypes within the same groups, the narrower angles tended to occur among landraces, while the higher RGA values were observed in advanced lines and Australian varieties. Differences were also observed as regards the SRN (1.0–3.0, 2.7–4.7, 3.2–5.0 and 4.4–6.3 at 1, 2, 3 and 6 DAS, respectively) and RadL (0.1–1.5, 2.1–5.0, 4.0–7.5 and 5.1–13.7 cm at 1, 2, 3 and 6 DAS, respectively). Genetic variability in root traits at seedling stage allows more rapid selection of genotypes better adapted to environmental and soil constraints, necessary to Portuguese Wheat Breeding Program. It will also contribute to the definition of wheat ideotypes with improved performance under Mediterranean climate conditions. seminal roots root growth angle seminal root number seminal root length Botany Rita Moreira verfasserin aut José N. Semedo verfasserin aut Fernando H. Reboredo verfasserin aut Fernando C. Lidon verfasserin aut José Coutinho verfasserin aut Benvindo Maçãs verfasserin aut Paula Scotti-Campos verfasserin aut In Plants MDPI AG, 2013 11(2022), 21, p 2842 (DE-627)737288345 (DE-600)2704341-1 22237747 nnns volume:11 year:2022 number:21, p 2842 https://doi.org/10.3390/plants11212842 kostenfrei https://doaj.org/article/0746b0bb0e71408eb054724436c87146 kostenfrei https://www.mdpi.com/2223-7747/11/21/2842 kostenfrei https://doaj.org/toc/2223-7747 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 21, p 2842
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callnumber-first	Q - Science
author	Isabel P. Pais
spellingShingle	Isabel P. Pais misc QK1-989 misc seminal roots misc root growth angle misc seminal root number misc seminal root length misc Botany Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins
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topic_title	QK1-989 Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins seminal roots root growth angle seminal root number seminal root length
topic	misc QK1-989 misc seminal roots misc root growth angle misc seminal root number misc seminal root length misc Botany
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title	Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins
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author_browse	Isabel P. Pais Rita Moreira José N. Semedo Fernando H. Reboredo Fernando C. Lidon José Coutinho Benvindo Maçãs Paula Scotti-Campos
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title_sort	phenotypic diversity of seminal root traits in bread wheat germplasm from different origins
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title_auth	Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins
abstract	Bread wheat (<i<Triticum aestivum</i< L.) is a major staple crop, and more adapted varieties are needed to ensure productivity under unpredictable stress scenarios resulting from climate changes. In the development of new genotypes, root system traits are essential since roots have a key function in water and nutrient uptake, and root architecture determines the plant’s ability to spatially explore the soil resources. Genetic variation in wheat root system may be assessed at the early stages of development. This study evaluates in vitro and at the seedling stage, the genetic diversity of root growth angle (RGA), seminal root number (SRN), and radicle length (RadL) in 30 bread wheat genotypes from different origins and belonging to distinct evolutive or breeding groups. SRN and RadL were analyzed at 1, 2, 3 and 6 days after sowing (DAS) and RGA was measured through the angle between the first pair of seminal roots. A large variability was found in RGA values that ranged from 63° to 122°. Although differences were found between genotypes within the same groups, the narrower angles tended to occur among landraces, while the higher RGA values were observed in advanced lines and Australian varieties. Differences were also observed as regards the SRN (1.0–3.0, 2.7–4.7, 3.2–5.0 and 4.4–6.3 at 1, 2, 3 and 6 DAS, respectively) and RadL (0.1–1.5, 2.1–5.0, 4.0–7.5 and 5.1–13.7 cm at 1, 2, 3 and 6 DAS, respectively). Genetic variability in root traits at seedling stage allows more rapid selection of genotypes better adapted to environmental and soil constraints, necessary to Portuguese Wheat Breeding Program. It will also contribute to the definition of wheat ideotypes with improved performance under Mediterranean climate conditions.
abstractGer	Bread wheat (<i<Triticum aestivum</i< L.) is a major staple crop, and more adapted varieties are needed to ensure productivity under unpredictable stress scenarios resulting from climate changes. In the development of new genotypes, root system traits are essential since roots have a key function in water and nutrient uptake, and root architecture determines the plant’s ability to spatially explore the soil resources. Genetic variation in wheat root system may be assessed at the early stages of development. This study evaluates in vitro and at the seedling stage, the genetic diversity of root growth angle (RGA), seminal root number (SRN), and radicle length (RadL) in 30 bread wheat genotypes from different origins and belonging to distinct evolutive or breeding groups. SRN and RadL were analyzed at 1, 2, 3 and 6 days after sowing (DAS) and RGA was measured through the angle between the first pair of seminal roots. A large variability was found in RGA values that ranged from 63° to 122°. Although differences were found between genotypes within the same groups, the narrower angles tended to occur among landraces, while the higher RGA values were observed in advanced lines and Australian varieties. Differences were also observed as regards the SRN (1.0–3.0, 2.7–4.7, 3.2–5.0 and 4.4–6.3 at 1, 2, 3 and 6 DAS, respectively) and RadL (0.1–1.5, 2.1–5.0, 4.0–7.5 and 5.1–13.7 cm at 1, 2, 3 and 6 DAS, respectively). Genetic variability in root traits at seedling stage allows more rapid selection of genotypes better adapted to environmental and soil constraints, necessary to Portuguese Wheat Breeding Program. It will also contribute to the definition of wheat ideotypes with improved performance under Mediterranean climate conditions.
abstract_unstemmed	Bread wheat (<i<Triticum aestivum</i< L.) is a major staple crop, and more adapted varieties are needed to ensure productivity under unpredictable stress scenarios resulting from climate changes. In the development of new genotypes, root system traits are essential since roots have a key function in water and nutrient uptake, and root architecture determines the plant’s ability to spatially explore the soil resources. Genetic variation in wheat root system may be assessed at the early stages of development. This study evaluates in vitro and at the seedling stage, the genetic diversity of root growth angle (RGA), seminal root number (SRN), and radicle length (RadL) in 30 bread wheat genotypes from different origins and belonging to distinct evolutive or breeding groups. SRN and RadL were analyzed at 1, 2, 3 and 6 days after sowing (DAS) and RGA was measured through the angle between the first pair of seminal roots. A large variability was found in RGA values that ranged from 63° to 122°. Although differences were found between genotypes within the same groups, the narrower angles tended to occur among landraces, while the higher RGA values were observed in advanced lines and Australian varieties. Differences were also observed as regards the SRN (1.0–3.0, 2.7–4.7, 3.2–5.0 and 4.4–6.3 at 1, 2, 3 and 6 DAS, respectively) and RadL (0.1–1.5, 2.1–5.0, 4.0–7.5 and 5.1–13.7 cm at 1, 2, 3 and 6 DAS, respectively). Genetic variability in root traits at seedling stage allows more rapid selection of genotypes better adapted to environmental and soil constraints, necessary to Portuguese Wheat Breeding Program. It will also contribute to the definition of wheat ideotypes with improved performance under Mediterranean climate conditions.
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title_short	Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins
url	https://doi.org/10.3390/plants11212842 https://doaj.org/article/0746b0bb0e71408eb054724436c87146 https://www.mdpi.com/2223-7747/11/21/2842 https://doaj.org/toc/2223-7747
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author2	Rita Moreira José N. Semedo Fernando H. Reboredo Fernando C. Lidon José Coutinho Benvindo Maçãs Paula Scotti-Campos
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Phenotypic Diversity of Seminal Root Traits in Bread Wheat Germplasm from Different Origins

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