Seed Germination and Physiological Characteristics of Amaranthus mangostanus L. under Drought Stress

Abstract:

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Effects of drought stress on the seed germination and physiological characteristics of amaranth were investigated. The results were as follows: the germination rate and germination potential of amaranth decreased with the increasing of PEG-6000 concentrations. Meanwhile, the root length, shoot length and peroxidase (POD) activity were significantly increased at lower PEG-6000 concentrations, but then decreased with the increasing of PEG-6000. Malondialdehyde (MDA) content, proline content and superoxide dismutase (SOD) activity were all significantly increased under drought stress, and reached the top at 20% PEG-6000. These findings indicated that amaranth tolerates drought stress through increasing the activities of SOD and POD and accumulating proline content.

Info:

Periodical:

Advanced Materials Research (Volumes 183-185)

Edited by:

Yanguo Shi and Jinlong Zuo

Pages:

1071-1074

DOI:

10.4028/www.scientific.net/AMR.183-185.1071

Citation:

Y. D. Sun et al., "Seed Germination and Physiological Characteristics of Amaranthus mangostanus L. under Drought Stress", Advanced Materials Research, Vols. 183-185, pp. 1071-1074, 2011

Online since:

January 2011

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Price:

$35.00

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