Integrative linkage mapping, GWAS, and RNA-Seq analysis unravel the genetic architecture and candidate genes for drought tolerance in <i>Chrysanthemum</i> interspecific F<sub>1</sub> progeny.

A total of 18 SDRs were identified across the genetic maps, primarily located on LG1–LG4, LG6, and LG8, with LG8 and LG3 containing 5 and 4 SDRs respectively, Strong collinearity between the genetic map and physical assembly was confirmed by highly significant Pearson correlations (R = −0.84 to 0.83; P = 10 −43 to 10 −217 ) for marker positions across all nine chromosomes ( Table S9 ; Fig.

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