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Table 1 Morphology of P. virgatum chromosomes (ALB280)

From: Karyotype variation is indicative of subgenomic and ecotypic differentiation in switchgrass

Chromosome

Lengtha(μm ± SE)

Arm Ratiob(r ± SE)

Centricity Class

1

4.10 ± 0.25

1.30 ± 0.09

m

2

3.73 ± 0.30

1.31 ± 0.06

m

3

3.38 ± 0.18

1.15 ± 0.07

m

4

3.26 ± 0.16

1.28 ± 0.13

m

5

3.05 ± 0.18

1.22 ± 0.16

m

6

2.82 ± 0.16

1.21 ± 0.06

m

7

2.61 ± 0.17

1.30 ± 0.08

m

8

2.35 ± 0.11

1.18 ± 0.06

m

9

2.05 ± 0.16

1.21 ± 0.04

m

  1. aAverage value of 10 chromosome pairs (μm).
  2. bArm ratio r (long/short) according to Levan et al. [42].
  3. SE = standard error; m = metacentric.
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BMC Plant Biology

ISSN: 1471-2229

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