2009•Unpublished venueRequires access

Effects of arsenic on seed germination and seedling growth in three green manure seeds.

Ma QiongFang, Xiong Jun-fen, Zhengqiang Li, Zi LiXian

Abstract

The present experiment was conducted to study the effects of different arsenic(As) concentrations on seeds germination and seedling growth in alfalfa,Vicia villosa and Cajanus cajan.The results showed slightly high rates of seed germination in alfalfa at 0～5 mg.kg-1 As concentration.The increased As concentration(over 5 mg.kg-1) showed strong inhibitory effects on the seed germination in three green manure seeds.Further,the inhibitory effects on roots were higher compared to that on buds.The results revealed that Vicia villosa had the highest Arsenic tolerance followed by the alfalfa and Cajanus cajan.

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Key concepts: Cajanus, Germination, Seedling, Vicia villosa, Biology, Agronomy, Arsenic, Green manure