Journal
BIOLOGICAL TRACE ELEMENT RESEARCH
Volume 87, Issue 1-3, Pages 191-200Publisher
HUMANA PRESS INC
DOI: 10.1385/BTER:87:1-3:191
Keywords
cerium nitrate; rice; germination; protective enzyme activity
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Attempts were made to promote germination of naturally and artificially aged rice seeds by treating them with cerium nitrate. The germination rate, germination index, and vigor index of aged rice seed were significantly increased by cerium. It was because the treatments of aged rice seed with cerium nitrate enhanced respiratory rate and activities of superoxide dismutase, catalase, and peroxidase, and decreased superoxide O-2(-) and malondialdehyde contents that plasma membrane permeability was reduced. It was suggested that cerium be used for the seed treatment before sowing.
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