The physiological response of winter wheat under short-term drought conditions and the sensitivity of different indices to soil water changes

Mu, Qingyi; Cai, Huanjie; Sun, Shikun; Wen, Shanshan; Xu, Jianchu; Dong, Mengqi; Saddique, Qaisar

doi:10.1016/j.agwat.2020.106475

Cited by 51 publications

(44 citation statements)

References 43 publications

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“…Averaging across the studied genotypes, the water deficit reduced all studied characters, except for proline content and leaf temperature. These results were confirmed by Shalaby et al (2020), Shehab-Eldeen and Farhat (2020), Morsy et al (2021), Mu et al (2021) and Wasaya et al (2021). (Al-Naggar et al, 2020), 77.29, 76.44 and76.78% (Shalaby et al, 2020) and 46.8% (Nehe et al, 2021).…”

Section: Discussionsupporting

confidence: 54%

“…At the level of physiological response, there were decreasing effects on relative water and chlorophyll contents under water stress (Wasaya et al, 2021). In contrast, proline and leaf temperature was reported to be increased under the water stress conditions (El-Gammaal, 2018, Din et al, 2020and Mu et al, 2021.…”

Section: Introductionmentioning

confidence: 95%

“…is one of the most important and widely cultivated cereal crops in Egypt and worldwide. Water stress is the most environmental limiting factor facing crop productivity (Mujeeb-Kazi et al, 2019). In addition, global climate change is increasing the severity of water stress (Fang andXiong 2015 andSenapati et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Water stress has harmful effects and brings morphological, physiological, biochemical, anatomical and molecular changes in plants. Generally, decreasing agronomic and morphological characters were observed under the water stress condition (Shalaby et al, 2020, Shehab-Eldeen and Farhat, 2020, Morsy et al, 2021, Mu et al, 2021, Nehe et al, 2021and Wasaya et al, 2021.…”

Section: Introductionmentioning

confidence: 99%

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Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Farhat

Khedr

Shaaban

2021

Scientific Journal of Agricultural Sciences

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Two field experiments were performed on Sakha Agricultural Research Station Farm during 2017/18 and 2018/19 growing seasons, to study the agronomic, physiological, and anatomical response of eleven bread wheat cultivar and lines for two irrigation regimes levels (i.e., five irrigations, (recommended as control) and only one irrigation after 21 days planting (water stress)). Results showed that the agronomic (i.e., number of days to maturity, plant height, grain yield and its components), physiological (i.e., relative water content, and chlorophyll a & b) and anatomocal estimates (i.e., thickness of leaf lamina, cuticle layer, upper epidermis, lower epidermis, mesophyll tissue, midrib, main vascular bundle dimension (length and width), collenchyma tissue, xylem tissue, phloem tissue and bulliform cells) were decreased under water stress conditions, except for proline and leaf temperature. Line 1, Line 2, Sids 14, Giza 171 and Sakha 95 were the most tolerant genotypes and may be suitable for water shortage conditions. High values of relative water content , chlorophyll and proline contents, low values of flag leaf temperature, in addition to the lowest reduction in leaf anatomical characters may be useful selection criteria for water stress tolerance in bread wheat.

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Section: Discussionsupporting

confidence: 54%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Farhat

Khedr

Shaaban

2021

Scientific Journal of Agricultural Sciences

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“…Short-term drought at different stages after the jointing stage could reduce wheat yield significantly. 16 Water deficiency may also reduce the photosynthetic rate, thus leading to a decrease in RUE. 17 However, the effects of continuous water stress on wheat development and yield across multiple growth stages in arid regions are not well studied.…”

Section: Introductionmentioning

confidence: 99%

Effects of growth‐stage‐based limited irrigation management on the growth, yields, and radiation utilization efficiency of winter wheat in northwest China

Cao¹,

Cai²,

Sun³

2021

J Sci Food Agric

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BACKGROUND: As a common abiotic stress, water deficit stress has a negative impact on the growth and yield of many field crops worldwide. In this study, a mobile rain shelter experiment was conducted in the 2017-2019 growing seasons to investigate the effects of water stress at different growth stages on various traits in winter wheat, including plant height, leaf area index (LAI), biomass, radiation use efficiency (RUE), leaf photosynthetic traits, and yield. RESULTS: Three different limited irrigation treatments were applied: no irrigation at all stages (T0), no irrigation at the reviving and jointing stages (T1), and no irrigation at the heading and grain-filling stages (T2). In all treatments, 2-year averages showed that T1 resulted in the highest grain yield (6470 kg ha −1 ). The plant height and LAI of winter wheat increased in the order of T0 < T1 < T2. In addition, T1 increased post-anthesis biomass. The net photosynthetic rate and RUE were significantly higher in T1 than in other treatments. T1 could improve leaf photosynthetic traits by increasing Gs, Fv/Fm, ≌PSII, and qP, thus increasing RUE and grain yield.CONCLUSION: We propose that irrigation at the heading and grain-filling stages was the optimal limited irrigation practice for efficient radiation use and high yields in winter wheat in the arid and semi-arid area of northwest China.

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Effects of growth‐stage‐based deficit irrigation management on physiological and biochemical characteristics and yield of winter wheat in Northwest China^*

Cao

Cai

Zhao

2021

Irrigation and Drainage

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Growth-stage-based deficit irrigation is an appropriate method when irrigation water is scarce. However, the effects of continuous deficit irrigation during the winter wheat growth period on crop physiological and biochemical processes need to be further evaluated. Five growth-stage-based deficit irrigation strategies were established and tested in winter wheat in the present study. The results showed that water stress resulted in a decrease in net photosynthetic rate (Pn) and transpiration rate, but led to an increase in catalase and peroxidase activities and an increase in malondialdehyde and proline contents. A high Pn could be sustained when the relative water content of the soil was maintained within the range of 60%-75%. Pn was negatively correlated with antioxidant enzyme activity. Based on the averaged data from 2017 to 2019, all water stress treatment groups showed varying degrees of yield reduction compared to the control (CK). Though the T1 treatment (i.e., irrigation from jointing stage to filling stage with 240 mm of water) had the highest water productivity (2.19 kg m À3 ), its grain yield was only 7.01% lower than the CK treatment. The present results suggest that the T1 treatment is the better irrigation model for saving water and achieving high grain yield in winter wheat in this region.

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The physiological response of winter wheat under short-term drought conditions and the sensitivity of different indices to soil water changes

Cited by 51 publications

References 43 publications

Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Effects of growth‐stage‐based limited irrigation management on the growth, yields, and radiation utilization efficiency of winter wheat in northwest China

Effects of growth‐stage‐based deficit irrigation management on physiological and biochemical characteristics and yield of winter wheat in Northwest China^*

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The physiological response of winter wheat under short-term drought conditions and the sensitivity of different indices to soil water changes

Cited by 51 publications

References 43 publications

Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Response of Some Agronomic, Physiological and Anatomical characters for Some Bread Wheat Genotypes Under Water Deficit in North Delta Region

Effects of growth‐stage‐based limited irrigation management on the growth, yields, and radiation utilization efficiency of winter wheat in northwest China

Effects of growth‐stage‐based deficit irrigation management on physiological and biochemical characteristics and yield of winter wheat in Northwest China*

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Effects of growth‐stage‐based deficit irrigation management on physiological and biochemical characteristics and yield of winter wheat in Northwest China^*