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Fig. 7. Correlation of physiological parameters under drought stress [(A) leaf photochemical efficiency (Fv/Fm) at 35 d of drought stress, (B) percentage of green leaves at 42 d of drought stress, (C) relative water content at 35 d of drought stress, (D) leaf wilting score at 42 d of drought stress] and turf quality recovery following rewatering for Texas bluegrass, Kentucky bluegrass, and their hybrids. * Significant at P = 0.05. ** Significant at P = 0.01.
