TABLE 13B. MEAN TURFGRASS QUALITY RATINGS OF ZOYSIAGRASS (SEEDED) CULTIVARS UNDER DIFFERENT IRRIGATION LEVELS 1/ 1997 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF 2/ IRRIGATION LEVELS TO PREVENT TO PREVENT SEVERE STRESS/ NAME STRESS DORMANCY NO IRRIGATION MEAN J-37 5.4 5.4 6.3 5.5 ZENITH 4.8 5.7 6.7 5.3 ZEN-400 5.2 5.1 6.2 5.3 J-36 5.0 4.8 6.1 5.1 CHINESE COMMON 5.1 4.5 6.2 5.1 ZEN-500 4.7 4.8 6.1 4.9 Z-18 3.1 4.7 3.3 3.6 KOREAN COMMON 3.0 3.4 2.1 3.0 LSD VALUE 0.4 0.6 0.7 0.3 C.V. (%) 18.1 14.3 13.6 16.5 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.