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Table 3 Comparison of genetic diversity between the three switchgrass subpopulations

From: Natural variation in genes potentially involved in plant architecture and adaptation in switchgrass (Panicum virgatum L.)

      Diversity indexes**
  N Np P Representative accessions* Ne (SE) I (SE) Ho (SE) He (SE) F (SE)
C1 158 186(11) 72.9 PI 315724, PI 337553, PI 414066, PI 414067, PI 414068, PI 421520, PI 431575, PI 476292, PI 476294, PI 476295, PI 476296, PI 642190 and PI 642191 1.221a (0.017) 0.236a (0.014) 0.077a (0.005) 0.145a (0.009) 0.402a (0.019)
C2 81 142(3) 55.6 PI 414065, PI 414070, PI 421521, PI 421999 and SNF 1.210a (0.019) 0.203a (0.015) 0.071a (0.007) 0.129a (0.010) 0.361a (0.023)
C3 71 200(5) 78.4 PI 315727, PI 422001, Citrus Co-FL, OSSP-FL and SWFWMD-FL 1.211a (0.020) 0.217a (0.014) 0.050b (0.004) 0.131a (0.010) 0.450a (0.024)
Admix 62 233(0) 91.4 PI 315725#, PI 422003, PI 476290 1.304 (0.018) 0.323 (0.013) 0.078 (0.004) 0.198 (0.009) 0.520 (0.020)
Total 372 251 74.6 26 1.236 (0.009) 0.245 (0.007) 0.069 (0.002) 0.152 (0.005) 0.443 (0.011)
  1. N number of genotypes, Np No. of polymorphic loci (number of Private Alleles), P percentage of polymorphic loci, Ne No. of Effective Alleles, I Shannon’s Information Index, Ho Observed Heterozygosity; He Expected Heterozygosity, F Fixation Index, SE Standard Error
  2. *Accession for which more than 70% of the genotypes belong to a specific subpopulation
  3. **Mean and SE over loci for each subpopulation; Means with the same letter are not significantly different based on a Tukey HSD test
  4. #Accession 3 is represented by only two genotypes