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Publication Type J
Authors Sun, H.-j., S.-f. Wang and Y.-t. Chen
Title Effects of Salt Stress on Growth and Physiological Index of 6 Tree Species
Source Forest Research
Language Chinese
Author Keywords Biochemistry & Molecular Biology Developmental Biology Environmental Sciences & Ecology Biochemistry and Molecular Biophysics Development Terrestrial Ecology (Ecology, Environmental Sciences) 07502, Ecology: environmental biology - General and methods 07506, Ecology: environmental biology - Plant 10060, Biochemistry studies - General 10064, Biochemistry studies - Proteins, peptides and amino acids 10802, Enzymes - General and comparative studies: coenzymes 25502, Development and Embryology - General and descriptive 51510, Plant physiology - Growth, differentiation 51522, Plant physiology - Chemical constituents Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Fagaceae [26070] [Quercus virginiana]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Leguminosae [26260] [Gleditsia triacanthos]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Myricaceae [26410] [Myrica cerifera]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Oleaceae [26475] [Fraxinus pennsylvanica]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Platanaceae [26580] [Platanus occidentalis]/Dicotyledones, Angiospermae, Spermatophyta, Plantae Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants Salicaceae [26695] [Salix matsudana] proline/sodium chloride/SOD superoxide dismutase principal component analysis mathematical and computer techniques/physiological index mathematical and computer techniques leaf/root/shoot growth rate, growth, salt stress
Abstract The dynamic changes of growth and physiological characteristics of six tree species were investigated under 0, 2.0, 4.0 and 6.0 g center dot L-1 NaCl stress in hydroponics culture using Hoagland solution, the results showed that seedling height and root collar diameter growth rate, biomass, dry weight of root, shoot and leaves were inhibited apparently with the increasing NaCl concentration in A species. The difference for relative penetrability, Proline content, SOD activity and soluble protein in leaves were significant under NaCl concentration. It increased with NaCl concentration during the whole period in most species. However, they were elevated obviously with higher NaCl concentration, while not with lower NaCl concentration. NaCl concentration x stress Limes effect was also significant in most physiological characteristics, which cause the differences among the species in response time and NaCl concentration. Through principal component analysis (PCA), the factors such as height growth rate, Proline content, SOD activity,salt harm index of leaves, biomass, relative penetrability could be used for selection of tree species under salt stress. Based on the analysis of growth rate and physiological indexes,tree species were arranged in ordering according to their tolerance as Salix matsudana, Quercus virginiana, Gleditsia triacanthos, Fraxinus pennsylvanica, Myrica cerifera and Platanus occidenntalis.
Author Address Sun Hai-jing; CAF, Res Inst Subtrop Forestry, Fuyang 311400, Zhejiang, Peoples R China
ISSN 1001-1498
ISBN 1001-1498
Publication Date Jun
Year Published 2009
Volume 22
Issue 3
Beginning Page 315-324
Unique Article Identifier BCI:BCI200900459602
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