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2008•Acta Agriculturae Boreali-SinicaRequires access

Effect of Cadmium on Seed Germination,Seedling Growth and Amylolytic Activity of Rice

Yanfang Ren

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Abstract

The effects of different cadmium concentrations on seed germination,seedling growth and amylolytic activity of rice cultivar Xiushui 11(Oryza sativa L.cv.Xiushui 11) were studied.The results showed that cadmium had little effect on germination rate except seeds were treated under high concentration of cadmium.However,germination index,vigour index,root length and amylolytic activity were significantly reduced with the increase of cadmium.The inhibition of cadmium on root growth was more obviously than that on plumula,and the inhibition on the activity of α-amylase was more seriously than that on β-amylase.

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What this paper is about

The effects of different cadmium concentrations on seed germination,seedling growth and amylolytic activity of rice cultivar Xiushui 11(Oryza sativa L.cv.Xiushui 11) were studied.The results showed that cadmium had little effect on germination rate except seeds were treated under high concentration of cadmium.However,germination index,vigour index,root length and amylolytic activity were significantly reduced with the increase of cadmium.The inhibition of cadmium on root growth was more obviously than that on plumula,and the inhibition on the activity of α-amylase was more seriously than that on β-amylase.

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Available abstract

The effects of different cadmium concentrations on seed germination,seedling growth and amylolytic activity of rice cultivar Xiushui 11(Oryza sativa L.cv.Xiushui 11) were studied.The results showed that cadmium had little effect on germination rate except seeds were treated under high concentration of cadmium.However,germination index,vigour index,root length and amylolytic activity were significantly reduced with the increase of cadmium.The inhibition of cadmium on root growth was more obviously than that on plumula,and the inhibition on the activity of α-amylase was more seriously than that on β-amylase.

Key concepts: Germination, Seedling, Cadmium, Oryza sativa, Amylase, Cultivar, Horticulture, Biology

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