Table 1 Characteristics of the four breeding populations.

From: Multi-population GWAS detects robust marker associations in a newly established six-rowed winter barley breeding program

 

Population

6RW

2RW

6RS

2RS

Row type

Six

Two

Six

Two

Growth habit

Winter

Winter

Spring

Spring

Number of genotypes

511

1501

447

3346

Number of full-sib families

57

282

85

1255

Method of inbreeding

DH

DH

Selfing with SSD in F4a

Selfing with SSD in F4a

First genotyped crossingsb

2018

2011

2015

2005

Number of polymorphic markers

11811

11711

10862

11748

  1. DH double haploid technique, SSD single seed descent.
  2. aSpring lines were genotyped at F5 and phenotyped at F6, with some selected lines phenotyped at F7.
  3. bYear of crossing for earliest genotyped lines. For all populations, except 2RS, this is also the year breeding programs were established i.e. breeding activities were initiated. The 2RS breeding program has been running for more than 40 years.
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