Abstract

Abstract Leaf anatomy and CO2 compensation concentration (Γ) were used to determine the carbon fixation pathway for 10 cool season and 5 warm season turfgrass species. Turfgrasses of the subfamily Festucoideae were representative of C3 plants. Turfgrass species of the subfamily Panicoideae and Eragrostoidea were representative of C4 plants. Turfgrasses classified traditionally as cool season or warm season species correlated with C3 and C4 plant types, respectively. Both techniques of C3 and C4 classification proved equally reliable in this study, however, the utilization of Kranz leaf anatomy required less preparation.

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