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Fig. 1 | BMC Genomics

Fig. 1

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

Fig. 1

Categorical criteria of injury indices and pairwise relationship between injury indices of salt (SID), alkali (AID), and salt-alkali (SAID) stress in apple rootstock hybrids of Malus robusta Rehd. ‘Baleng Crab’ × M. pumila Mill. ‘M9’. a Photograph showing scoring criteria of injury degrees of salt, alkali, and salt–alkali stress. b Heatmap showing the pairwise relationship between numbers of hybrids tolerant or sensitive to salt, alkali, and salt–alkali stress. The number of hybrids are presented in the blocks and the percentage of hybrids by column is illustrated by color gradients. c Linear regressions between SID, AID, and SAID

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