TABLE 16B. MEAN TURFGRASS QUALITY RATINGS OF ZOYSIAGRASS (SEEDED) CULTIVARS GROWN UNDER NO IRRIGATION OR ONLY IRRIGATED DURING SEVERE STRESS 1/ 1997 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF 2/ NAME KY1 MS1 MEAN ZENITH 7.4 5.9 6.7 J-37 7.1 5.5 6.3 ZEN-400 7.1 5.3 6.2 CHINESE COMMON 7.0 5.4 6.2 J-36 7.2 5.1 6.1 ZEN-500 7.2 5.0 6.1 Z-18 1.0 5.5 3.3 KOREAN COMMON 1.2 2.9 2.1 LSD VALUE 0.5 1.0 0.7 CV (%) 6.0 16.5 13.6 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.