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Publication Type J
Authors Shahbazi, A., K. Nosrati and T. P. Egan
Title Influence of temperature and salinity on the germination and early seedling growth of Atriplex lentiformis and Atriplex verrucifera
Source Seed Science and Technology
Abstract Two experiments were performed to determine the effects of temperature and NaCl concentration oil seed germination and early seedling growth of Atriplex lentiformis and Atriplex verrucifera collected from salt deserts in Isfahan and Shiraz, Iran. These species help prevent soil crosion. Seeds were germinated from 5-30 degrees C at 5 degrees C intervals. Optimum temperature for seed germination in A. lentiformis and A. verrucifera was 15 degrees C and 10 degrees C, respectively. Germination was lowest at 30 degrees C for both species. Seeds were also germinated at 100 to 500 mMol/L NaCl at 100 mMol/L increments. Germination decreased as NaCl concentration increased front over 85% germination at 0 mMol/L NaCl to less than 5% germination at 500 mMol/L for A. lentiforms, and from over 60% to 0% for A. verruciftra at the same salt concentrations. Ung(trolillated seeds ill high NaCl concc iltral i oils had a higher percent recovery germination in distilled water than seeds in lower salt concentrations. For A. lentiformis there was 42.5% recovery at 500 mMol NaCl, but only 13% recovery germination at 100 mMol. Similar values were found for A. verrucifera. Early growth reflected germination responses in each experimental group. Hypocotyl length was significantly and strongly negatively correlated with salinity.
ISSN 0251-0952
ISBN 0251-0952
Publication Date 2008
Year Published 2008
Volume 36
Issue 2
Beginning Page 339-349
Unique Article Identifier WOS:000259623000007
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