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《Pratacultural Science》 2006-07
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Study on optimal seed coating formulation selections of Medicago sativa and Astragalus adsurgens under drought condition

WANG Zhi,MA Xiao-fan,SUN Yan-yan,LIU Jing-yu,WEN Na(Department of Environmental Science,Jilin University,Changchun 130012,China)  
Using the seed coating technique,two legume forages were treated.These two dressed seeds were used to do potted plant experiment in low hydrous sand in the lab.The treatment which uses diatomite as filling can increase the emergence rate of coated seeds after germinating under drought conditions.The experiment results showed that Medicago sativa and Astragalus adsurgens containing 5 percent and 2 percent water absorbing agent in the treatment had seed germinating time 2-4 d earlier than the contrast;M.sativa and A.adsurgens containing 5 percent water absorbent in the treatment had emergence rate all higher than the contrast,with 50 percent increase of M.sativa and 37 percent increase of A.adsurgens.The highest emergence rate belongs to forage seeds coated with 5 percent absorbent,coated seeds with 2 percent water absorbent are most applicable.
【Fund】: 吉林省科委项目:利用牧草种子包衣技术缓解吉林省西部土壤退化的研究(2003909)
【CateGory Index】: S54
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