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2011•Shandong Agricultural SciencesRequires access

Effect of Drought Stress on Germination of Rice Seeds

Zhao Wei

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Abstract

The effect of drought on the germination of rice seeds was studied under the drought stress simulated with polyethylene glycol(PEG-6000).The results indicated that the germination rate of rice seeds was reduced significantly.The content of soluble sugar,α-amylase activity,root activity and root length were increased at lower PEG level but reduced at higher PEG level.The content of soluble protein was reduced and the content of free amino acids increased under different PEG levels.

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What this paper is about

The effect of drought on the germination of rice seeds was studied under the drought stress simulated with polyethylene glycol(PEG-6000).The results indicated that the germination rate of rice seeds was reduced significantly.The content of soluble sugar,α-amylase activity,root activity and root length were increased at lower PEG level but reduced at higher PEG level.The content of soluble protein was reduced and the content of free amino acids increased under different PEG levels.

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Available abstract

The effect of drought on the germination of rice seeds was studied under the drought stress simulated with polyethylene glycol(PEG-6000).The results indicated that the germination rate of rice seeds was reduced significantly.The content of soluble sugar,α-amylase activity,root activity and root length were increased at lower PEG level but reduced at higher PEG level.The content of soluble protein was reduced and the content of free amino acids increased under different PEG levels.

Key concepts: Germination, PEG ratio, Polyethylene glycol, Drought stress, Sugar, Amylase, Chemistry, Agronomy

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