2004Journal of Sichuan UniversityRequires access

Study on the Germination Terms of Seeds of Dioscorea zingiberensis and its Explant Callus Culture

Fu Hua

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Abstract

The germination terms of Dioscorea zingiberensis seeds on MS medium,and conducted its explants such as stem,leaf and leafstalk from tube young plants were studied. The result showed: (1)Under 25℃,the seeds treated by asepsis water had the highest germination rate on MS +gibberillin 6mg/L medium;(2)MS + 2,4-D 4mg/L medium was very perfect for the callus abduction,on which the callus abduction rates of stem,leaf and leafstalk was separately 100%,40%,20%.

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The germination terms of Dioscorea zingiberensis seeds on MS medium,and conducted its explants such as stem,leaf and leafstalk from tube young plants were studied. The result showed: (1)Under 25℃,the seeds treated by asepsis water had the highest germination rate on MS +gibberillin 6mg/L medium;(2)MS + 2,4-D 4mg/L medium was very perfect for the callus abduction,on which the callus abduction rates of stem,leaf and leafstalk was separately 100%,40%,20%.

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Available abstract

The germination terms of Dioscorea zingiberensis seeds on MS medium,and conducted its explants such as stem,leaf and leafstalk from tube young plants were studied. The result showed: (1)Under 25℃,the seeds treated by asepsis water had the highest germination rate on MS +gibberillin 6mg/L medium;(2)MS + 2,4-D 4mg/L medium was very perfect for the callus abduction,on which the callus abduction rates of stem,leaf and leafstalk was separately 100%,40%,20%.

Key concepts: Callus, Explant culture, Germination, Horticulture, Dioscorea, Botany, Biology, Medicine

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