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Table 4 Segregation types for the different markers analysis conducted in an Italian ryegrass F 1 population derived from cv. `Surrey' (resistant) and cv. `Minamiaoba' (susceptible)

From: Identification of a novel major locus for gray leaf spot resistance in Italian ryegrass (Lolium multiflorumLam.)

Markers

No. of markers analyzed

Segregation types a)

No. of markers omitted b)

No. of polymorphic markers

lm × ll

nn × np

ef × eg

ab × cd

hk × hk

AFLP

2

2

0

0

0

0

0

2

SSR

40

19

5

5

0

0

11

29

Rice EST-derived

76

7

9

8

1

2

49

27

Grass anchor probe-derived

7

1

1

0

0

0

5

2

  1. a)Parental genotypes were coded in accordance with JoinMap 4 [18].
  2. b)Markers that showed unclear, non-segregated, and unexpected banding patterns in the mapping population, or were monomorphic between parents of the mapping population, were omitted.