TITLE

Seed Germination, Seedling Growth and Enzyme Activity of Wheat Seed Primed under Drought and Different Temperature Conditions

AUTHOR(S)
Azadi, M. S.; Younesi, E.; Tabatabaei, S. A.
PUB. DATE
December 2013
SOURCE
Journal of Stress Physiology & Biochemistry;2013, Vol. 9 Issue 4, p310
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The study aimed was to determine the effects of drought stress (0, -4, -8, -12 bar) and osmopriming (-15 bar PEG 6000 for 15 at 24 h) on seed germination, seedling growth and enzyme activity at different temperatures were assessed in the laboratory for wheat. Results showed that the highest germination percentage (GP) (94.33%), normal seedling percentage (NSP) (92%), germination index (GI) (44.85) and seedling length (11.03 cm) were attained from osmo-priming in control conditions. Therefore, seed priming with PEG 6000 significantly (p⩽ 0.01) increased germination characteristics as compared to the unprimed seeds under drought stress. Also, osmopriming increased catalase (CAT) and ascorbate peroxidase (APX) as compared to the unprimed.
ACCESSION #
91939622

 

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