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Table 1 Red shoot color segregation ratios in four families with ‘Red Zaosu’ as a parent

From: The genetic locus underlying red foliage and fruit skin traits is mapped to the same location in the two pear bud mutants ‘Red Zaosu’ and ‘Max Red Bartlett’

Year of cross Female parent Male parent Observed ratio (seedlings, Red:Green) χ2
(Red:Green | 1:1)
2015 ‘PremP109’ (Red-blushed skin, green shoots) ‘Red Zaosu’ (Full-red skin, red shoots) 128:106 2.068
2015 ‘Korla pear’ (Red-blushed skin, green shoots) ‘Red Zaosu’ (Full-red skin, red shoots) 906:805 5.962a
2014 ‘Whangkeumbae’ (Ruset skin, green shoots) ‘Red Zaosu’ (Full-red skin, red shoots) 54:68 1.607
2014 ‘Red Zaosu’ (Full-red skin, red shoots) ‘Hongbaoshi’ (Red-blushed skin, green shoots) 60:62 0.033
  1. χ2 test for segregation: a P < 5%