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Table 1 Phenotype segregation and inheritance of salt, alkali, salt–alkali injury indices in apple rootstock hybrids of Malus robusta Rehd. ‘Baleng Crab’ × M. pumila Mill. ‘M9’

From: Genomics-assisted prediction of salt and alkali tolerances and functional marker development in apple rootstocks

Trait

Year

Phenotype mean

Standard deviation

Coefficient of variance

Broad sense heritability

Salt injury index

2015

0.53

0.28

52.08%

63.28%

2016

0.40

0.28

69.05%

2017

0.43

0.28

63.79%

Alkali injury index

2015

0.51

0.25

49.17%

62.26%

2016

0.46

0.26

56.41%

2017

0.46

0.24

52.98%

Salt-alkali injury index

2016

0.60

0.26

42.67%

60.69%

2017

0.55

0.26

46.91%