Effects of NaCl salinity and water stress on growth and leaf water relations of plants

Rodrı́guez, P.; Torrecillas, A.; Jiménez, M.N.; Ortuño, M.F.; Sánchez-Blanco, María Jesús

doi:10.1016/j.envexpbot.2004.03.005

Cited by 157 publications

(98 citation statements)

References 20 publications

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“…Other authors, however, have described a correlation between RGR and NAR, but not with LAR, indicating that photosynthesis could be the limiting factor and that a reduction in RGR may be due to a direct effect of salt stress on stomatal conductance and/or the photosynthetic apparatus [69,90,91].…”

Section: Growth Indexes Used With Salinity Studiesmentioning

confidence: 93%

“…This effect can favour the retention of toxic ions in roots, limiting the accumulation of these ions in the aerial part of the plant [9,67]. Under saline conditions cell wall properties change and leaf turgor and photosynthesis rates (PN) decrease, leading to a reduction in total leaf area [68,69]. Furthermore, the stem growth (a component of the aerial part) is also normally reduced by high salt concentrations.…”

Section: Introductionmentioning

confidence: 99%

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Plant Responses to Salt Stress: Adaptive Mechanisms

Acosta‐Motos¹,

Ortuño²,

Bernal‐Vicente³

et al. 2017

Preprint

375

200

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This review deals with the adaptive mechanisms that plants can implement to cope with the challenge of salt stress. Plants tolerant to NaCl implement a series of adaptations to acclimate to salinity, including morphological, physiological and biochemical changes. These changes include increases in the root/canopy ratio and in the chlorophyll content in addition to changes in the leaf anatomy that ultimately lead to preventing leaf ion toxicity, thus maintaining the water status in order to limit water loss and protect the photosynthesis process. Furthermore, we deal with the effect of salt stress on photosynthesis and chlorophyll fluorescence and some of the mechanisms thought to protect the photosynthetic machinery, including the xanthophyll cycle, photorespiration pathway, and water-water cycle. Finally, we also provide an updated discussion on salt-induced oxidative stress at the subcellular level and its effect on the antioxidant machinery in both salt-tolerant and salt-sensitive plants. The aim is to extend our understanding of how salinity may affect the physiological characteristics of plants.

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Section: Growth Indexes Used With Salinity Studiesmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Plant Responses to Salt Stress: Adaptive Mechanisms

Acosta‐Motos¹,

Ortuño²,

Bernal‐Vicente³

et al. 2017

Preprint

375

200

View full text Add to dashboard Cite

show abstract

“…Potted plants of Asteriscus maritimus were submitted to irrigation with saline water (150 days of exposure to 0, 70 and 140 mM NaCl daily irrigation) to assess the effect on growth parameters. Plants under saline and water stress conditions showed lower biomass and an early reduction in leaf expansion growth (Rodriguez et al 2005).…”

Section: Average Number Of Leaf Development Of Artocarpus Chaplashamentioning

confidence: 99%

Artocarpus chaplasha: Establishment and Initial Growth Performance at Elevated Temperature and Saline Stresses

Rahman¹,

Al-Amin²,

Akter³

2012

Journal of Forest and Environmental Science

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Like any other natural resources, forest flora may experience the extreme threat of elevated temperature and saline water submergence at different stages of their lives i.e. from germination to maturity due to climate change effects. The overall aim of the study was to measure the effect of higher temperatures along with saline water irrigation on survival and initial growth during seedling stage of Artocarpus chapalasha. The experiment was conducted in temperature-humidity-photoperiod regulated plant growth chamber during stipulated period to measure the growth performance of randomly selected seedlings. Within three different elevated temperatures viz. 30 o C, 32 o C and 34 o C, the seedlings were given three different saline conditions such as 0.5 g/L, 1.5 g/L and 2.5 g/L NaCl concentrations. Results found from the experiment was that, seedlings of Artocarpus chaplasha reared at different temperatures and saline water treatments showed stunted growth than reared at existing outdoor temperature (26.31°C) irrigated with regular fresh water. Seedling growth at three different parameters such as height, collar diameter and number of leaves showed that with increasing temperature individuals respond negatively to increasing saline condition. The seedling's growth occurred at every day in height, collar diameter and leaf. However, growth rate reduced later during the observation.The combined effect of high salinity and higher elevated temperature results in seedling mortality. Therefore, Artocarpus chaplasha may not thrive at higher temperature and salinity intrusion at its early growing period in plantation and natural forest areas.

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“…The available studies also record decreases in chlorophyll content, number and length of internodes and nodes, and, related to this, number of flowers and reduction in weight of plant organs such as leaves, shoots, and roots. The development of roots has been decreased, and inhibition of lateral root development also occurred (Parida, Das, and Mittra 2004;Kaya et al 2003;Singh et al 2003;Ramoliya and Pandey 2002;Sairam, Rao, and Srivastava 2002;Bolarin et al 2001;Katerji et al 2000;Carvajal et al 1998;Rodriguez et al 2005;Turan et al 2009). However, not all of our results were consistent with the existing literature.…”

Section: Discussionmentioning

confidence: 99%

“…Many papers on the effect of salt stress on plants have focused on the growth and development of various parts 946 F. Bulut,Ş. Akıncı, and A. Eroglu of plants, as well as nutrient changes (Bernstein et al 2001;Rodriguez et al 2005;Muscolo, Panuccio, and Sidari 2003;Shiyab, Shibli, and Mohammad 2003;Zhu 2003;Alpaslan et al 1998;Cordovilla, Ligero, and Lluch 1999;Viegas, Silveira, and Junior 2001).…”

Section: Introductionmentioning

confidence: 99%