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Table 2 Segregation ratio of russet coverage observed on the RGTxGD F1 population following the classification proposed by [30]. Chi-square and p-values (one degree of freedom) are calculated under the assumption of a Mendelian 1:1 segregation ratio

From: A major QTL controlling apple skin russeting maps on the linkage group 12 of ‘Renetta Grigia di Torriana’

Year

Clean

Russet

χ2 (1:1)

p-value

2010a

62

55

0.42

0.52

2011a

60

55

0.22

0.64

2012a

44

44

0.00

1.00

2013a

59

54

0.22

0.64

2013b

61

52

0.72

0.40

  1. a = field observations
  2. b = photos