Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices

This study was conducted to investigate the response of maize hybrids to drought stress and to select the most drought-tolerant cultivar compared to other hybrids. The experiment was performed on six maize hybrids in a randomized complete block design (RCBD) with three replications under regular irr...
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Gespeichert in:

Autor*in:	Ali Khatibi [verfasserIn] Saeed Omrani [verfasserIn] Ali Omrani [verfasserIn] Seyed Habib Shojaei [verfasserIn] Seyed Mohammad Nasir Mousavi [verfasserIn] Árpád Illés [verfasserIn] Csaba Bojtor [verfasserIn] János Nagy [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	drought tolerance maize drought tolerance indices principal component analysis

Übergeordnetes Werk:	In: Water - MDPI AG, 2010, 14(2022), 7, p 1012
Übergeordnetes Werk:	volume:14 ; year:2022 ; number:7, p 1012

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/w14071012

Katalog-ID:	DOAJ023390751

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callnumber-first	T - Technology
author	Ali Khatibi
spellingShingle	Ali Khatibi misc TC1-978 misc TD201-500 misc drought tolerance misc maize misc drought tolerance indices misc principal component analysis misc Hydraulic engineering misc Water supply for domestic and industrial purposes Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices
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topic_title	TC1-978 TD201-500 Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices drought tolerance maize drought tolerance indices principal component analysis
topic	misc TC1-978 misc TD201-500 misc drought tolerance misc maize misc drought tolerance indices misc principal component analysis misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_unstemmed	misc TC1-978 misc TD201-500 misc drought tolerance misc maize misc drought tolerance indices misc principal component analysis misc Hydraulic engineering misc Water supply for domestic and industrial purposes
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title	Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices
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title_full	Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices
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author_browse	Ali Khatibi Saeed Omrani Ali Omrani Seyed Habib Shojaei Seyed Mohammad Nasir Mousavi Árpád Illés Csaba Bojtor János Nagy
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title_sort	response of maize hybrids in drought-stress using drought tolerance indices
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title_auth	Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices
abstract	This study was conducted to investigate the response of maize hybrids to drought stress and to select the most drought-tolerant cultivar compared to other hybrids. The experiment was performed on six maize hybrids in a randomized complete block design (RCBD) with three replications under regular irrigation and limited irrigation in the vegetative and reproductive stages in Iran. Drought tolerance indices (TOL, MP, GMP, STI, SSI, and HAR) for the grain yield of genotypes were calculated, and principal component analysis was based on them. The results obtained from estimating the indices showed that the SC647 and KSC704 hybrids, while having good performance in both conditions, also have drought tolerance. Examining the correlation between drought tolerance indices and yield in both conditions, among the indices used to detect drought tolerance, STI, MP, and GMP indices can be considered suitable for selecting high-yielding hybrids in these conditions. The principal components analysis on the stress-tolerance index showed that MP and GMP indices could be used as the best indices with high coefficients to select stress-tolerance hybrids. SC647 and KSC704 hybrids were identified and selected as hybrids with high tolerance to moisture stress. The results of drought tolerance indices in the emergence stage of the crest showed that the KSC260 hybrid has the lowest level of stress sensitivity. SC647 hybrids showed the lowest susceptibility to drought stress in the ear emergence stage.
abstractGer	This study was conducted to investigate the response of maize hybrids to drought stress and to select the most drought-tolerant cultivar compared to other hybrids. The experiment was performed on six maize hybrids in a randomized complete block design (RCBD) with three replications under regular irrigation and limited irrigation in the vegetative and reproductive stages in Iran. Drought tolerance indices (TOL, MP, GMP, STI, SSI, and HAR) for the grain yield of genotypes were calculated, and principal component analysis was based on them. The results obtained from estimating the indices showed that the SC647 and KSC704 hybrids, while having good performance in both conditions, also have drought tolerance. Examining the correlation between drought tolerance indices and yield in both conditions, among the indices used to detect drought tolerance, STI, MP, and GMP indices can be considered suitable for selecting high-yielding hybrids in these conditions. The principal components analysis on the stress-tolerance index showed that MP and GMP indices could be used as the best indices with high coefficients to select stress-tolerance hybrids. SC647 and KSC704 hybrids were identified and selected as hybrids with high tolerance to moisture stress. The results of drought tolerance indices in the emergence stage of the crest showed that the KSC260 hybrid has the lowest level of stress sensitivity. SC647 hybrids showed the lowest susceptibility to drought stress in the ear emergence stage.
abstract_unstemmed	This study was conducted to investigate the response of maize hybrids to drought stress and to select the most drought-tolerant cultivar compared to other hybrids. The experiment was performed on six maize hybrids in a randomized complete block design (RCBD) with three replications under regular irrigation and limited irrigation in the vegetative and reproductive stages in Iran. Drought tolerance indices (TOL, MP, GMP, STI, SSI, and HAR) for the grain yield of genotypes were calculated, and principal component analysis was based on them. The results obtained from estimating the indices showed that the SC647 and KSC704 hybrids, while having good performance in both conditions, also have drought tolerance. Examining the correlation between drought tolerance indices and yield in both conditions, among the indices used to detect drought tolerance, STI, MP, and GMP indices can be considered suitable for selecting high-yielding hybrids in these conditions. The principal components analysis on the stress-tolerance index showed that MP and GMP indices could be used as the best indices with high coefficients to select stress-tolerance hybrids. SC647 and KSC704 hybrids were identified and selected as hybrids with high tolerance to moisture stress. The results of drought tolerance indices in the emergence stage of the crest showed that the KSC260 hybrid has the lowest level of stress sensitivity. SC647 hybrids showed the lowest susceptibility to drought stress in the ear emergence stage.
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container_issue	7, p 1012
title_short	Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices
url	https://doi.org/10.3390/w14071012 https://doaj.org/article/a1c38a7bb037488eb12cab86c66f3eaa https://www.mdpi.com/2073-4441/14/7/1012 https://doaj.org/toc/2073-4441
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author2	Saeed Omrani Ali Omrani Seyed Habib Shojaei Seyed Mohammad Nasir Mousavi Árpád Illés Csaba Bojtor János Nagy
author2Str	Saeed Omrani Ali Omrani Seyed Habib Shojaei Seyed Mohammad Nasir Mousavi Árpád Illés Csaba Bojtor János Nagy
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up_date	2024-07-03T17:20:48.254Z
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Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices

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