Ecophysiological Responses of Carpinus turczaninowii L. to Various Salinity Treatments

Zhou, Qi; Shi, Man; Zhu, Zhujun; Liu, Cheng

doi:10.3390/f10020096

Cited by 7 publications

(8 citation statements)

References 60 publications

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“…Deficient levels were not found in any of the species at any locations tested (Dauer et al 2007;De Vries et al 2000;Dirr 1976;Kopinga and Van den Burg 1995;Mellert and Göttlein 2012;Van den Burg 1974). Similarly, the ranges of the N/P, N/K, N/Mg and N/Ca ratios in the leaves of all the tree species and locations were consistent with those in previously published literature (Flückiger and Braun 2003;Zhou et al 2019).…”

Section: Sensitive Intermediate Tolerantsupporting

confidence: 90%

“…Only after exceeding the critical level in the shoots are the ions transported in larger quantities to the leaves. Zhou et al (2019) found a higher content of Na in the roots as well as Cl mostly accumulated in leaves, suggesting a defense mechanism for Na toxicity through the compartmentalization of this element in the roots. It is possible that such a situation occurred in T. xeuchlora and G. biloba near the street in Warsaw.…”

Section: Sensitive Intermediate Tolerantmentioning

confidence: 85%

“…It also interferes with nutrient uptake, ion transport and metabolites. It is the cause of a reduction in photosynthetic pigment contents and an increase in proline and malondialdehyde (MDA) concentrations (Dąbrowski et al 2013;Green et al 2008;Grote et al 2017;Munns and Tester 2008;Laffray et al 2018;Plesa et al 2018;Zhou et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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Strategies of urban trees for mitigating salt stress: a case study of eight plant species

Dmuchowski

Brągoszewska

Gozdowski

et al. 2020

Trees

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Key message Some species synthesize larger amounts of polyprenols, which probably increase the plant’s ability to mitigate salt stress. Salt stress does not cause macronutrient deficiency in the leaves of urban trees. Ionic imbalance in the leaves caused by soil salinity worsens the health status of sensitive species. Abstract Street trees are exposed to relatively high stress levels, and the average lifespan of street trees is shortened compared to those of trees living under controlled natural conditions. Soil salinity adversely affects trees at all stages of growth and development. This study attempts to determine how the urban environment, with particular emphasis on salt stress, affects tree species with different levels of salinity sensitivity. The aim of this study was to identify the strategies of eight tree species for mitigating salt stress based on the determination of the chemical composition of the macroelements in the leaves, the ionic imbalance, and the ability of the trees to synthesize and accumulate polyprenols in the leaves. The obtained results suggest that individual species implemented different strategies in response to salt stress. The low sensitivity species: Q. rubra, R. pseudoacacia, G. triacanthos and A. campestre. blocked the uptake of Cl and Na to the leaves. The medium-sensitivity species: P. x hispanica blocked the uptake of Cl and Na and G. biloba maintained very high contents of Cl and Na in its leaves without leaf damage and synthesized large amounts of polyprenols. G. triacanthos and A. campestre synthesized large amounts of polyprenols. The high-sensitivity species (T. x euchlora and A. platanoides) exhibited very high contents of Cl and Na in their leaves, which were significantly damaged and had a pronounced ionic imbalance. These effects were not compensated for by the increased synthesis of polyprenols. In conclusion, the accumulation of polyprenols in leaf tissue may be one of the strategies that increase the resistance of plants to salt stress. Plants have many other methods of mitigating salt stress.

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Section: Sensitive Intermediate Tolerantsupporting

confidence: 90%

Section: Sensitive Intermediate Tolerantmentioning

confidence: 85%

See 1 more Smart Citation

Strategies of urban trees for mitigating salt stress: a case study of eight plant species

Dmuchowski

Brągoszewska

Gozdowski

et al. 2020

Trees

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“…Salinity stress affected the values of all the examined parameters, both morphological and physiological, and caused the inhibition of plant growth, the degradation of photosynthetic capacity and stomatal behavior, a decrease in the photosynthetic pigments contents and relative water content, an increase in the Malondialdehyde (MDA) content and relative electrolytic conductivity, and the accumulation of Na + and Cl − content. The presence of relatively high concentrations of organic osmolytes, the activation of antioxidant enzymes, and the ionic transport capacity from the root to shoots may represent a constitutive mechanism of defense against stress Zhou et al [50].…”

Section: Seedsmentioning

confidence: 99%

Effect of Saline Water Stress in the Presence of Silicon Foliar Application on Growth, Productivity and Chemical Constituents of Chia (Salvia hispanica L.) under Egyptian Conditions

Moghith

Youssef

El–Wahab

et al. 2020

APRJ

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The pot experiment was carried out during two successive seasons (2016/2017 & 2017/2018) to study the effect of five levels of salinity and three levels of silicon (Si), as a foliar-spray application as well as their combinations on growth, productivity and chemical constituents of chia (Salvia hispanica L.) plants. Results showed that there was a negative relationship between vegetative growth measurements i.e., plant height, fresh weight and dry weight, flowering growth and yield parameters i.e., main inflorescence height, main inflorescence weight, inflorescences weight, seeds weights, weight of 1000 seeds and calculated seeds yield /m2 and root growth measurements i.e. root length, root weight and root diameter values and salinity treatments in both seasons. Hence, as the concentrations of salinity increased, the values of these parameters decreased to reach the maximum decreasing at the high concentration (4.69 dS m-1). Therefore, the combination treatment between 0.68 dS m-1 salinity concentration and 2000 ppm silicon scored the highest values of these parameters, in the 1st and 2nd seasons. Meanwhile, the maximum values of N, P and K contents were recorded by the combination treatment between 0.68 dS m-1 salinity concentration and 2000 ppm silicon in both seasons. Whereas, the highest values of free proline, sodium and chloride content were gained by the high concentration of salinity 4.96 dS m-1 especially those received silicon at 0 ppm in both seasons. Conclusively, the highest growth, productivity and chemical constituents of chia (Salvia hispanica L.) plant, it is preferable to grow the plants under saline water irrigation concentration at (0.68 dS m-1) and spray with silicon at 2000 ppm.

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“…Hornbeam (Carpinus turczaninowii) is known for its beautiful autumn colors and fine-textured wood. Zhou et al [15,17] systematically tested the performance of this tree species as well as its European counterpart Carpinus betulus under moderate salt stress (up to 85 mM). They found that antioxidant systems of the European species collapsed after about 1 month and that of the Asian species after about 2 months in the presence of low salinity levels (30 to 50 mM).…”

Section: Salinity and Combined Stresses: From Soil Amendment To Redoxmentioning

confidence: 99%

Physiological Responses to Abiotic and Biotic Stress in Forest Trees

Polle

Rennenberg

2019

Forests

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Forests fulfill important ecological functions by sustaining nutrient cycles and providing habitats for a multitude of organisms. They further deliver ecosystem services such as carbon storage, protection from erosion, and wood as an important commodity. Trees have to cope in their environment with a multitude of natural and anthropogenic forms of stress. Resilience and resistance mechanisms to biotic and abiotic stresses are of special importance for long-lived tree species. Since trees exist for many decades or even centuries on the same spot, they have to acclimate their growth and reproduction to constantly changing atmospheric and pedospheric conditions. In this special issue, we invited contributions addressing the physiological responses of forest trees to a wide array of different stress factors. Among the eighteen papers published, seventeen covered drought or salt stress as major environmental cues, highlighting the relevance of this topic in times of climate change. Only one paper studied cold stress [1]. The dominance of drought and salt stress studies underpins the need to understand tree responses to these environmental threats from the molecular to the ecophysiological level. The papers contributing to this Special Issue cover these scientific aspects in different areas of the globe and encompass conifers as well as broadleaf tree species. In addition, two studies deal with bamboo (Phyllostachys sp., [1,2]). Bamboo, although botanically belonging to grasses, was included because its ecological functions and applications are similar to those of trees.

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Ecophysiological Responses of Carpinus turczaninowii L. to Various Salinity Treatments

Cited by 7 publications

References 60 publications

Strategies of urban trees for mitigating salt stress: a case study of eight plant species

Strategies of urban trees for mitigating salt stress: a case study of eight plant species

Effect of Saline Water Stress in the Presence of Silicon Foliar Application on Growth, Productivity and Chemical Constituents of Chia (Salvia hispanica L.) under Egyptian Conditions

Physiological Responses to Abiotic and Biotic Stress in Forest Trees

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