TABLE 14. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF ZOYSIAGRASS CULTIVARS IN THE 2002 NATIONAL ZOYSIAGRASS TEST AT STILLWATER, OK 1/ 2005 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ MEAN PERCENT PERCENT FALL ZOYSIA GENETIC SPRING LEAF DENSITY COVER COVER FROST WINTER COLOR PATCH QUALITY RATINGS NAME COLOR GREENUP TEXTURE SUMMER SUMMER FALL TOLERANCE COLOR NOVEMBER (SQ.CM.) MAY JUN JUL AUG SEP OCT MEAN DALZ 0101 6.7 4.3 9.0 9.0 99.0 99.0 9.0 6.3 8.3 2098.0 5.3 7.7 8.7 9.0 9.0 8.7 8.1 EMERALD 7.0 4.0 9.0 9.0 98.3 98.3 9.0 7.0 4.3 1699.3 6.7 7.0 8.3 9.0 7.7 8.7 7.9 GN-Z 6.0 4.3 8.0 9.0 97.0 98.3 9.0 7.0 6.3 1712.7 6.0 6.0 8.7 8.7 9.0 8.7 7.8 ZORRO 6.3 4.0 9.0 9.0 99.0 99.0 9.0 6.7 4.0 3539.0 6.3 7.3 8.3 8.7 8.0 8.3 7.8 DALZ 0102 6.0 6.0 6.3 7.7 99.0 98.3 9.0 9.0 2.7 1438.0 5.3 6.7 8.7 8.3 8.0 7.7 7.4 6186 8.0 1.3 8.0 7.7 98.3 98.3 9.0 8.0 3.0 1256.0 3.7 5.3 8.3 8.7 8.7 8.3 7.2 DALZ 9604 6.7 3.0 7.7 8.7 98.0 96.7 7.7 8.0 2.0 1927.3 5.0 6.7 8.3 8.0 8.7 6.7 7.2 MEYER 9.0 2.0 8.7 8.7 97.0 98.3 9.0 6.3 1.3 291.7 5.7 6.3 6.7 7.0 8.7 8.7 7.2 DALZ 0104 8.0 1.3 9.0 9.0 98.7 99.0 9.0 8.0 2.0 382.5 3.7 4.3 9.0 8.0 9.0 8.3 7.1 DALZ 0105 7.3 1.3 9.0 9.0 99.0 99.0 9.0 7.0 1.7 983.0 4.3 5.0 9.0 8.0 6.3 6.7 6.6 BMZ 230 7.3 6.0 6.3 6.3 90.3 98.7 9.0 5.3 2.0 24.3 5.0 4.3 6.3 6.7 8.7 7.7 6.4 PST-R7ZM 7.3 2.3 8.0 8.0 86.7 95.0 9.0 6.0 1.0 296.0 5.0 5.3 5.7 6.3 8.0 7.7 6.3 HIMENO 9.0 2.3 7.0 7.3 93.3 93.7 6.3 9.0 1.7 1794.3 5.7 5.0 5.7 6.3 8.7 5.0 6.1 PST-R7MA 7.0 2.7 7.7 7.0 94.0 98.3 9.0 8.0 1.0 859.0 5.0 4.7 5.0 6.7 6.7 6.0 5.7 ZENITH 8.0 3.7 7.0 6.3 83.7 85.0 9.0 8.7 1.0 1658.0 4.0 3.0 6.0 6.7 6.0 5.7 5.2 PZB 33 7.7 4.0 7.3 7.0 87.0 84.0 9.0 8.0 1.0 1823.0 4.7 3.7 4.7 5.7 5.7 5.7 5.0 COMPANION 7.7 2.0 6.3 5.7 87.7 89.7 7.7 7.0 1.0 1344.0 3.3 3.7 4.7 5.0 6.3 6.7 4.9 PZA 32 7.3 2.7 7.0 6.0 90.7 97.0 9.0 7.0 1.0 900.7 3.7 3.0 5.3 5.0 7.3 5.3 4.9 CHINESE COMMON 7.3 3.0 7.0 5.0 63.3 77.7 5.0 8.0 1.0 1844.0 3.0 2.3 3.0 5.0 5.0 4.3 3.8 J-37 8.0 3.7 6.7 6.0 93.0 28.3 4.0 6.0 1.0 1392.7 3.0 2.7 5.3 5.0 3.7 3.0 3.8 LSD VALUE 0.7 1.3 0.6 0.6 13.7 12.2 0.6 0.6 1.1 2962.3 1.7 1.4 2.1 1.5 1.2 1.7 1.1 C.V. (%) 6.5 25.4 4.9 5.8 8.4 8.7 4.6 5.1 31.6 80.0 20.6 18.2 19.4 13.1 10.6 15.7 11.4 1/ TO DETERMINE STATISTICAL DIFFERENCES AMONG ENTRIES, SUBTRACT ONE ENTRY'S MEAN FROM ANOTHER ENTRY'S MEAN. STATISTICAL DIFFERENCES OCCUR WHEN THIS VALUE IS LARGER THAN THE CORRESPONDING LSD VALUE (LSD 0.05). 2/ C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN. TABLE A. 2005 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2002 NATIONAL ZOYSIAGRASS TEST SOIL SOIL SUN MOWING SOIL SOIL PHOSPHOROUS POTASSIUM NITROGEN OR HEIGHT IRRIGATION LOCATION TEXTURE PH (LBS/ACRE) (LBS/ACRE) (LBS/1000 SQ FT) SHADE (IN) PRACTICED OK1 SANDY LOAM 6.6-7.0 61-150 241-375 2.1-3.0 FULL SUN 0.0-0.5 TO PREVENT STRESS