Changes in anatomical and physiological parameters of soybean under drought stress

Makbul, Serdar; Güler, Neslihan Saruhan; Durmus, Nuran; Güven, Seher

doi:10.3906/bot-1002-7

Cited by 58 publications

(38 citation statements)

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“…We noted the enhanced stomatal length and decreased width with an increase in drought stress conditions as reported by Li et al [ 85 ]. Our findings are similar to findings of Makbul et al [ 86 ], who also reported a decrease in stomatal width with an increase in drought stress in soybean plants, concerning trichome length and width showed a decreasing trend with an increase in drought stress. Similar findings were also reported by Yadav et al [ 72 ] who reported an increase in trichome length with an increase in the concentration of drought stress.…”

Section: Discussionsupporting

confidence: 92%

Wild Vicia Species Possess a Drought Tolerance System for Faba Bean Improvement

Haq

Binjawhar

Ullah

et al. 2022

Genes

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Faba bean (Vicia faba L.), a drought-sensitive crop, is drastically affected by drought stresses compromising its growth and yield. However, wild relatives of faba bean are considered a reservoir of potential genetic resources for tolerance against abiotic stresses. This study was conducted to characterize wild relatives of faba bean for identification of a specific tolerance system required for its improvement against drought stress. The study focused on physiological, biochemical, and anatomical responses of wild Vicia species under drought stress conditions. The experiment was carried out under various levels of drought stress imposed through different field capacities (FC) which included 80% FC ie (well-watered condition), 55% FC (moderate stress), and 30% FC (severe stress). When compared to plants grown in a control environment, drought stress significantly reduced the studied physiological attributes including soluble sugars (21.3% and 15.8%), protein contents (14.7 and 14.6%), and chlorophyll (8.4 and 28.6%) under moderate (55% FC) and severe drought stress (30% FC), respectively. However, proline content increased by 20.5% and 27.6%, peroxidase activity by 48.5% and 57.1%, and superoxide dismutase activity by 72.6% and 64.8% under moderate and severe stress, respectively. The studied anatomical attributes were also affected under drought stress treatments, including diameter of stem xylem vessels (9.1% and 13.7%), leaf lower epidermal thickness (8.05% and 13.34%), and leaf phloem width (5.3% and 10.1%) under moderate and severe stress, respectively. Wild Vicia spp. showed better tolerance to water-deficit conditions as compared to cultivated Vicia L. The observed potential diversity for drought tolerance in wild Vicia spp. may assist in improvement of faba bean and may also help in understanding the mechanisms of adaptations in drought-prone environments.

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Section: Discussionsupporting

confidence: 92%

Wild Vicia Species Possess a Drought Tolerance System for Faba Bean Improvement

Haq

Binjawhar

Ullah

et al. 2022

Genes

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“…The decrease in chlorophyll content is a commonly observed phenomenon under water-limited conditions (Bijanzadeh and Emam 2010; Din et al 2011). Similar findings were reported for other legume species, such as mung bean (Batra et al 2014), soybean (Makbul et al 2011;Basal et al 2020), chickpea (Mafakheri et al 2010) there was an increased production of protective pigments (carotenoid and anthocyanin). One of the ways that plants have evolved to protect themselves against ROS-induced damage under water-limited conditions, is the synthesis of protective pigments, such as carotenoids and anthocyanin (Efeoğlu et al 2009;Batra et al 2014;Basal et al 2020).…”

Section: Discussionsupporting

confidence: 80%

Morphological and physiological responses of Calobota sericea plants subjected to water limitation and subsequent rewatering

Müller

Raitt

Cyster

et al. 2021

African Journal of Range & Forage Science

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This is the final version of the article that is published ahead of the print and online issue Large arid and semiarid regions around the world are generally characterised by high variability and unpredictability in rainfall, as well as rainfall that is insufficient for arable crop production under rain fed conditions (Abu-Zanat et al. 2004; Belkheiri and Mulas 2013). Within these drylands, plants are often exposed to a variety of environmental stresses, with drought stress or water limitation commonly regarded as the most significant factors, leading to substantial reductions in agricultural productivity (Lambers et al. 2008;Walter et al. 2011). Because of these stresses, most of the available lands are marginal to crop lands and are used primarily as grazing lands for extensive livestock production. Such rangelands have limited options to sustainably increase agricultural productivity, especially where irrigation is not an option (Palmer and Ainslie 2006; Belkheiri and Mulas 2013;Jordaan et al. 2013). These limitations to improving agricultural productivity within these water-limited rangelands are expected to worsen under the predicted future climate change conditions (IPCC 2007;Meissner et al. 2013).Generally, for South Africa, it is predicted that the current unpredictability and variability in temporal and spatial rainfall distribution will likely increase in the future. This will result in additional increases in marginal agro-ecological conditions, with increases in the duration and intensity of episodic drought events, resulting in further limitations to agricultural productivity (Kruger and Shongwe 2004; Benhin 2008; DEA 2013;Meissner et al. 2013). Therefore, in order to meet the future increase in the demand for livestock products in South Africa, the productivity of these water-limited rangelands will have to be improved. One of the ways to improve rangeland production is through better rangeland management, which includes the implementation of improved fodder flow programs that can adequately address the current dry season feed shortages occurring due to the seasonal deterioration of the natural veld (Müller et al. 2019a).The current stock of commercial forage species suitable for these water-limited agro-ecological conditions in South Africa is limited (Dickenson et al. 2010;Truter et al. 2015).

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“…According to Biswalet al, (2003) [49], and Biswal (2005) [50] the stress is sensed at the level of pigment composition, structural organization, primary photochemistry and CO2 fixation. Decrease in total chlorophyll content due to drought were reported by many workers (Makbulet al, 2011) [51]. Decreased photosynthesis under severe stress was reported in Tectonagrandis by Rajendrudu and Naidu (1998) [52] and in Acer negundo, Betulapapyrifera, Malusbaccata, Robiniapseudoacacia and Ulmusparvifolia by Ranneyet al, (1990) [53].…”

Section: E Photosynthetic Pigmentsmentioning

confidence: 84%

Studies on Drought Tolerance of Medicinally Important Oil Yielding Plant Simarouba glauca

Awate¹

2022

YMER

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The population growth also leads to the agricultural and industrial expansions. This adds to the various greenhouse gases leading to the unpredictable climatic change and global warming. The climate of region becomes uncertain, creating several abiotic stresses. It is essential to screen the perennial plant species to develop greenery so to minimize or overcome these adverse conditions. The Simarouba glauca is one of such hardy, evergreen edible oil trees, growing on waste lands. Keyword- Drought Tolerance, Simarouba glauca, Seed Germination, Relative water content

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Changes in anatomical and physiological parameters of soybean under drought stress

Cited by 58 publications

References 0 publications

Wild Vicia Species Possess a Drought Tolerance System for Faba Bean Improvement

Wild Vicia Species Possess a Drought Tolerance System for Faba Bean Improvement

Morphological and physiological responses of Calobota sericea plants subjected to water limitation and subsequent rewatering

Studies on Drought Tolerance of Medicinally Important Oil Yielding Plant Simarouba glauca

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