Fig. 6From: Natural variation of physiological traits, molecular markers, and chlorophyll catabolic genes associated with heat tolerance in perennial ryegrass accessionsManhattan plots of the general linear model (GLM) for association analysis between SSR markers and each physiological trait. The –log10(P-values) from each SRR markers are plotted against eight heat tolerance-related traits, including TQ, Fv/Fm, Chl content, Pn, WUE, RWC, RA, and EL. NA, not knownBack to article page