Influences of Shade Leaves on Ground Cover and Sward Height of Turfgrass

in HortScience

Five experiments were performed from Jan. to Nov. 1993 with ornamental and sportive purpose turfgrass species [Axonopus araujoi Valls (nomen nudum); A. compressus var. compressus (Swartz) Beauv.; A. barretoi Valls (nomen nudum); Stenotaphrum secundatum (Walt) O. Kuntze; and Zoysia matrella(L.) Merr.] to evaluate percent ground cover and sward heights under four levels of shade. The design was in randomized blocks, with four treatments (0%, 50%, 75%, and 87% of shade) and four replications; the results were submitted to variance and regression analysis. All the species seemed to be sensitive to shade, increasing the sward heights and decreasing the percent ground cover at the highest shade levels; S. secundatum and Z. matrella were the most affected grasses, showing the greatest differences in characteristics evaluated among treatments.

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