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Table 1 Summary of variance for the effects of treatments, genotypes, and the interaction between temperature and genotype on photochemical efficiency (Fv/Fm), chlorophyll content (Chl), photosynthesis rate (Pn), water use efficiency (WUE), electrolyte leakage (EL), leaf relative water content (RWC), root activity (RA), turf quality (TQ), leaf width (LW), and plant height (PH) across 98 perennial ryegrass accessions with the data of 24 days treatment

From: Natural variation of physiological traits, molecular markers, and chlorophyll catabolic genes associated with heat tolerance in perennial ryegrass accessions

  Physiological traits Morphological traits
Fv/Fm Chl Pn WUE EL RWC RA TQ LW PH
Treatment *** *** *** *** *** *** *** *** NS NS
Genotype * ** ** ** * ** ** ** * **
Treatment ╳ Genotype ** *** *** *** ** *** ** *** NS NS