Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower

Boron (B) is a mineral considered essential for improving sunflower (Helianthus annuus L.) resistance to drought. B supplements (0, 15-, 30- and 45 mg L-1) under well-watered and variable water deficit levels (64 and 53 mm irrigation depths) were evaluated for their effects on growth, oil quality an...

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Main Authors:	Shehzad, Muhammad Asif, Maqsood, Muhammad, Abbas, Tasawer, Ahmad, Naveed
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2016
Online Access:	http://journalarticle.ukm.my/10294/ http://journalarticle.ukm.my/10294/ http://journalarticle.ukm.my/10294/1/10%20Muhammad%20Asif%20.pdf

id	ukm-10294
recordtype	eprints
spelling	ukm-102942017-04-06T09:11:21Z http://journalarticle.ukm.my/10294/ Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower Shehzad, Muhammad Asif Maqsood, Muhammad Abbas, Tasawer Ahmad, Naveed Boron (B) is a mineral considered essential for improving sunflower (Helianthus annuus L.) resistance to drought. B supplements (0, 15-, 30- and 45 mg L-1) under well-watered and variable water deficit levels (64 and 53 mm irrigation depths) were evaluated for their effects on growth, oil quality and water use efficiency (WUE) in a field study for two consecutive years (i.e. 2011 and 2012). The duration of 50% inflorescence emergence, 50% flowering and 50% maturity stages were reduced with increasing moisture stress. All B application rates improved sunflower growth compared to no B control treatment. The moisture deficit treatments of 64 and 53 mm irrigation depths significantly (p<0.05) reduced the yield-related components. Achenes/head, achenes weight and achene yield under water stress conditions were considerably improved by foliar application of B at 30 mg L-1. An increase in protein contents and a decrease in oil contents were observed with B foliar application under moisture deficit treatments. Foliar application of B (30 mg L-1) on water stressed plants also resulted in increased WUE. The highest net benefits were achieved with B concentration of 30 mg L-1 under well-watered and mild deficit water level of 64 mm irrigation depth. The highest application rate of B (45 mg L-1) gave the best results at the most severe water deficit level. In conclusion, the B rates of 30 and 41 mg L-1 performed best for improving drought tolerance in terms of higher sunflower productivity under mild and higher water deficit conditions. Penerbit Universiti Kebangsaan Malaysia 2016-10 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/10294/1/10%20Muhammad%20Asif%20.pdf Shehzad, Muhammad Asif and Maqsood, Muhammad and Abbas, Tasawer and Ahmad, Naveed (2016) Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower. Sains Malaysiana, 45 (10). pp. 1497-1507. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol45num10_2016/contentsVol45num10_2016.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Boron (B) is a mineral considered essential for improving sunflower (Helianthus annuus L.) resistance to drought. B supplements (0, 15-, 30- and 45 mg L-1) under well-watered and variable water deficit levels (64 and 53 mm irrigation depths) were evaluated for their effects on growth, oil quality and water use efficiency (WUE) in a field study for two consecutive years (i.e. 2011 and 2012). The duration of 50% inflorescence emergence, 50% flowering and 50% maturity stages were reduced with increasing moisture stress. All B application rates improved sunflower growth compared to no B control treatment. The moisture deficit treatments of 64 and 53 mm irrigation depths significantly (p<0.05) reduced the yield-related components. Achenes/head, achenes weight and achene yield under water stress conditions were considerably improved by foliar application of B at 30 mg L-1. An increase in protein contents and a decrease in oil contents were observed with B foliar application under moisture deficit treatments. Foliar application of B (30 mg L-1) on water stressed plants also resulted in increased WUE. The highest net benefits were achieved with B concentration of 30 mg L-1 under well-watered and mild deficit water level of 64 mm irrigation depth. The highest application rate of B (45 mg L-1) gave the best results at the most severe water deficit level. In conclusion, the B rates of 30 and 41 mg L-1 performed best for improving drought tolerance in terms of higher sunflower productivity under mild and higher water deficit conditions.
format	Article
author	Shehzad, Muhammad Asif Maqsood, Muhammad Abbas, Tasawer Ahmad, Naveed
spellingShingle	Shehzad, Muhammad Asif Maqsood, Muhammad Abbas, Tasawer Ahmad, Naveed Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
author_facet	Shehzad, Muhammad Asif Maqsood, Muhammad Abbas, Tasawer Ahmad, Naveed
author_sort	Shehzad, Muhammad Asif
title	Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
title_short	Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
title_full	Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
title_fullStr	Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
title_full_unstemmed	Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
title_sort	foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2016
url	http://journalarticle.ukm.my/10294/ http://journalarticle.ukm.my/10294/ http://journalarticle.ukm.my/10294/1/10%20Muhammad%20Asif%20.pdf
first_indexed	2023-09-18T19:57:01Z
last_indexed	2023-09-18T19:57:01Z
_version_	1777406597546377216

Foliar boron spray for improved yield, oil quality and water use efficiency in water stressed sunflower

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