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2010•Unpublished venueRequires access

The effect of exogenous nitric oxide on seed germination and anti-oxidation enzyme of Potherb Mustard under salt stress

Xiaoming Wu

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Abstract

In this paper,effects of different concentrations of SNP(as a NO donor) on seed germination and anti-Oxidation System of Potherb Mustard were studied.The results indicated that there was significant difference among different concentrations of SNP.0.1～0.2 mmol/L of SNP could markedly promote seed germination viability and seed germination percentage,seed germination index,and seed activity index,and significantly enhance superoxide dismutase(SOD) and peroxidase(POD) activity of seed hypocotyl and cotyledon.However,all indexes of lower or higher concentrations than 0.1～0.2 mmol/L of SNP showed markedly decrease trends.

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What this paper is about

In this paper,effects of different concentrations of SNP(as a NO donor) on seed germination and anti-Oxidation System of Potherb Mustard were studied.The results indicated that there was significant difference among different concentrations of SNP.0.1～0.2 mmol/L of SNP could markedly promote seed germination viability and seed germination percentage,seed germination index,and seed activity index,and significantly enhance superoxide dismutase(SOD) and peroxidase(POD) activity of seed hypocotyl and cotyledon.However,all indexes of lower or higher concentrations than 0.1～0.2 mmol/L of SNP showed markedly decrease trends.

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Available abstract

In this paper,effects of different concentrations of SNP(as a NO donor) on seed germination and anti-Oxidation System of Potherb Mustard were studied.The results indicated that there was significant difference among different concentrations of SNP.0.1～0.2 mmol/L of SNP could markedly promote seed germination viability and seed germination percentage,seed germination index,and seed activity index,and significantly enhance superoxide dismutase(SOD) and peroxidase(POD) activity of seed hypocotyl and cotyledon.However,all indexes of lower or higher concentrations than 0.1～0.2 mmol/L of SNP showed markedly decrease trends.

Key concepts: Germination, Cotyledon, Point of delivery, Hypocotyl, Superoxide dismutase, Peroxidase, Nitric oxide, Horticulture

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