Genome Size Variation in Some Tropical Hardwoods |
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| Authors: | D Ohri |
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| Institution: | (1) Department of Plant Breeding and Genetics, National Botanical Research Institute, Lucknow, 226001, U.P., India |
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| Abstract: | 4-C DNA values of 36 tropical hardwood species belonging to 13 families show a range from 2.08 to 20.07 pg, a 9.64-fold difference. DNA per chromosome values show a 10-fold difference. The minimum range of variation (1.2-fold) is shown by Annonaceae and Sapindaceae while the maximum range (6.23-fold) is shown by Euphorbiaceae, and Fabaceae and Rutaceae show 1.7 and 1.9-fold differences, respectively. On an average, Euphorbiaceae and Rutaceae have been found to possess the largest and the smallest genome sizes respectively. |
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| Keywords: | DNA amounts variability woody angiosperms |
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