Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)

Drought is the main constraint for crop growth worldwide. Selenium reportedly plays an important role in improving plant tolerance to drought stress. In this study, two experiments were conducted to investigate the effects of foliar selenium application on the drought tolerance of sesame. Five selen...

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Autores principales:	Thuc Le Vinh, Sakagami Jun-Ichi, Hung Le Thanh, Huu Tran Ngoc, Khuong Nguyen Quoc, Vu Vi Le Ly
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	crop grain yield proline selenium sesame Agriculture S Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/ef94e87f8f49452b954a5789debf89da
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spelling	oai:doaj.org-article:ef94e87f8f49452b954a5789debf89da2021-12-05T14:10:59ZFoliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)2391-953110.1515/opag-2021-0222https://doaj.org/article/ef94e87f8f49452b954a5789debf89da2021-02-01T00:00:00Zhttps://doi.org/10.1515/opag-2021-0222https://doaj.org/toc/2391-9531Drought is the main constraint for crop growth worldwide. Selenium reportedly plays an important role in improving plant tolerance to drought stress. In this study, two experiments were conducted to investigate the effects of foliar selenium application on the drought tolerance of sesame. Five selenium concentrations (0, 5, 10, 20, and 40 mg/L) were used in the first experiment. Water deficit was triggered 25 days after sowing. The application of 5 or 10 mg/L of selenium maintained the number of leaves and increased the number of capsules. However, higher concentrations induced necrosis. The second experiment aimed to study the effect of selenium concentrations (5 and 10 mg/L) and the number of applications (one to three times). Drought stress was triggered 50 days after sowing, and selenium was sprayed 50, 55, and 60 days after sowing. The results indicated that a one-time foliar selenium application of 5 mg/L was able to maintain the number of leaves and to increase proline accumulation, plant biomass, and grain weight per plant. This finding confirms that selenium can be applied to enhance sesame’s tolerance to drought stress.Thuc Le VinhSakagami Jun-IchiHung Le ThanhHuu Tran NgocKhuong Nguyen QuocVu Vi Le LyDe Gruyterarticlecropgrain yieldprolineseleniumsesameAgricultureSAgriculture (General)S1-972ENOpen Agriculture, Vol 6, Iss 1, Pp 93-101 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	crop grain yield proline selenium sesame Agriculture S Agriculture (General) S1-972
spellingShingle	crop grain yield proline selenium sesame Agriculture S Agriculture (General) S1-972 Thuc Le Vinh Sakagami Jun-Ichi Hung Le Thanh Huu Tran Ngoc Khuong Nguyen Quoc Vu Vi Le Ly Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
description	Drought is the main constraint for crop growth worldwide. Selenium reportedly plays an important role in improving plant tolerance to drought stress. In this study, two experiments were conducted to investigate the effects of foliar selenium application on the drought tolerance of sesame. Five selenium concentrations (0, 5, 10, 20, and 40 mg/L) were used in the first experiment. Water deficit was triggered 25 days after sowing. The application of 5 or 10 mg/L of selenium maintained the number of leaves and increased the number of capsules. However, higher concentrations induced necrosis. The second experiment aimed to study the effect of selenium concentrations (5 and 10 mg/L) and the number of applications (one to three times). Drought stress was triggered 50 days after sowing, and selenium was sprayed 50, 55, and 60 days after sowing. The results indicated that a one-time foliar selenium application of 5 mg/L was able to maintain the number of leaves and to increase proline accumulation, plant biomass, and grain weight per plant. This finding confirms that selenium can be applied to enhance sesame’s tolerance to drought stress.
format	article
author	Thuc Le Vinh Sakagami Jun-Ichi Hung Le Thanh Huu Tran Ngoc Khuong Nguyen Quoc Vu Vi Le Ly
author_facet	Thuc Le Vinh Sakagami Jun-Ichi Hung Le Thanh Huu Tran Ngoc Khuong Nguyen Quoc Vu Vi Le Ly
author_sort	Thuc Le Vinh
title	Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
title_short	Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
title_full	Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
title_fullStr	Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
title_full_unstemmed	Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)
title_sort	foliar selenium application for improving drought tolerance of sesame (sesamum indicum l.)
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/ef94e87f8f49452b954a5789debf89da
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Foliar selenium application for improving drought tolerance of sesame (Sesamum indicum L.)

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