Effects of cultured Astragalus adsurgens root on other plants growth

Chinese Journal of Applied Ecology

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Effects of cultured Astragalus adsurgens root on other plants growth

YU Fuke,MA Yongqing,SHUI Junfeng and LI Xiuwei

Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Northwest Sci-Tech University of Agriculture and Forestry，Yangling,Shaanxi 712100,China

Received:2004-07-02 Revised:2004-11-15 Online:2005-04-18

Abstract

Abstract: By using orthogonal design,this paper investigated the growth of cultured prairie milk vetch (Astragalus adsurgens) root on the B5 medium with different contents of sucrose,macro-and microelements and organic supplements,and adopting the method of filter paper-culture in Petridish,studied the effects of A.adsurgens culture filtrate on the seedling growth of radish (Raphanus sativus) and wheat (Triticum aestivum).The results showed that the effect of A.adsurgens culture filtrate on R.sativus and T.aestivum seedling growth was of allelopathic,and nutritional stress might be the important cause of A.adsurgens allelopathy.

Key words: Red tide, Heterosigma akashiwo, Biochemical composition, Iron stress

YU Fuke,MA Yongqing,SHUI Junfeng and LI Xiuwei. Effects of cultured Astragalus adsurgens root on other plants growth[J]. Chinese Journal of Applied Ecology.

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Effects of cultured Astragalus adsurgens root on other plants growth

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