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Table 3 Comparison of distributions of selected cytogenetic traits (recombined and non-recombined chromosomes belonging to F. pratensis and L. perenne genomes) within and between F2 and F3 generations of F. pratensis × L. perenne hybrid

From: Cytogenetic and molecular genotyping in the allotetraploid Festuca pratensis × Lolium perenne hybrids

Trait

Comparison F2 combination no. 1 vs. F3 generation

Comparison Lp vs. Fp in F2 generation

Comparison Lp vs. Fp in F3 generation

Lp chromosomes – non-recombined M+

0.023

<  0.001

<  0.001

Fp chromosomes – non-recombined M+

<  0.001

Lp chromosomes – non-recombined M-

0.502

<  0.001

0.020

Fp chromosomes – non-recombined M-

0.004

Lp chromosomes – recombined M+

<  0.001

1.000

0.201

Fp chromosomes – recombined M+

0.002

Lp chromosomes – recombined M-

0.020

0.550

<  0.001

Fp chromosomes – recombined M-

<  0.001

Lp chromosomes – arm recombined m+

0.133

0.185

0.020

Fp chromosomes – arm recombined m+

0.888

Lp chromosomes – arm recombined m-

<  0.001

0.167

0.357

Fp chromosomes – arm recombined m-

0.002

  1. (Lp) L. perenne; (Fp) F. pratensis; (M+) rDNA-bearing chromosome; (M-) non-rDNA-bearing chromosome; (m+) chromosome arm with rDNA sequence; (m-) chromosome arm without rDNA sequence; bold P-values for comparisons considered as statistically significant
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BMC Genomics

ISSN: 1471-2164

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