Relationship between genome size and maturity group in soybean |
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| Authors: | M J Graham C D Nickell A L Rayburn |
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| Institution: | (1) Department of Agronomy, University of Illinois, 1201 W Gregory Ave., 61801 Urbana, IL, USA |
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| Abstract: | Previous studies have reported a correlation between genome size and relative maturity among plant species. The objective of this study was to determine whether such a relationship exists in soybean. Twenty cultivars, representing maturity groups ranging from 000 to IX, were analyzed using flow cytometric procedures. A 15% difference in genome size was observed ranging from  BSR 201 at 2.88 pg to Maple Presto at 2.51 pg. A highly significant correlation (r = 0.55) was observed between maturity and the genome size of the 20 cultivars. |
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| Keywords: | Glycine max DNA content Flow cytometry Maturity |
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