TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS GROWN ON A GREEN AT LOS ANGELES (LOS ANGELES COUNTRY CLUB), CA 1/ 2015-18 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SEEDLING SPRING SUMMER WINTER Poa QUALITY RATINGS NAME COLOR VIGOR DENSITY DENSITY COLOR ANNUA JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PURE ECLIPSE (PST-ROPS) 7.3 6.0 7.0 7.1 7.0 2.0 6.3 6.9 7.0 7.3 7.5 7.3 7.8 7.8 8.0 7.7 7.2 7.9 7.3 L-93 XD 6.8 5.7 6.9 7.0 7.0 0.7 6.0 6.4 6.8 7.1 7.4 6.7 7.4 6.9 7.4 6.9 6.6 7.3 6.9 MACDONALD (DLFPS-AP/3018) 6.8 5.7 7.0 6.9 7.0 0.7 5.9 6.5 6.7 7.2 7.3 7.0 7.2 7.0 7.4 7.0 7.1 7.4 6.9 PIRANHA (DC-1) 7.3 6.0 6.9 7.0 7.0 0.7 6.3 6.8 7.0 7.1 7.1 7.0 7.6 7.1 7.1 6.8 6.4 6.9 6.9 SHARK 7.0 6.0 6.6 7.0 7.0 0.7 6.3 6.8 6.6 7.0 7.0 6.6 7.2 6.8 7.1 6.8 6.3 6.8 6.8 777 (DLFPS-AP/3054) 7.1 6.7 6.8 6.7 7.3 4.7 6.3 6.7 6.3 6.8 6.9 6.4 6.8 6.8 7.2 7.1 6.9 7.4 6.7 DLFPS-AP/3056 7.2 6.3 6.8 6.8 7.0 2.7 6.5 6.5 6.5 6.7 7.0 6.7 7.2 6.9 6.9 6.9 6.4 6.8 6.7 LUMINARY 7.1 6.3 6.6 6.8 7.0 4.0 6.5 6.8 6.3 7.1 7.1 6.7 7.1 6.9 7.1 6.8 6.2 6.2 6.7 TOUR PRO (GDE) 7.0 6.7 6.4 6.7 7.0 4.0 6.5 6.4 6.4 6.8 7.0 6.6 7.0 6.8 7.0 6.9 6.3 7.0 6.7 DLFPS-AP/3058 7.0 6.0 6.9 6.9 7.0 2.0 6.1 6.5 6.6 6.9 7.0 6.3 6.8 6.5 7.1 6.8 6.6 7.0 6.6 V-8 7.4 6.7 6.7 6.6 7.7 3.0 6.4 6.6 6.5 6.8 6.8 6.3 6.8 6.5 6.9 6.9 6.6 7.0 6.6 BARRACUDA 7.1 6.0 6.4 6.4 7.0 4.7 6.2 6.4 6.3 6.5 6.5 6.1 6.4 6.6 6.6 6.8 6.2 6.9 6.4 PENN A-1 7.8 6.7 6.3 6.3 8.0 3.0 6.8 7.0 6.6 6.5 6.7 5.9 6.8 6.4 6.6 6.0 5.1 6.3 6.4 NIGHTLIFE 8.3 6.7 6.8 6.1 9.0 5.7 6.0 6.1 6.3 6.9 6.7 6.0 6.8 6.5 6.7 6.3 5.3 5.8 6.3 ARMOR 8.3 5.3 6.7 6.3 9.0 4.7 5.6 6.0 6.4 6.7 6.4 5.8 6.6 6.3 6.8 6.7 5.9 6.6 6.2 DECLARATION 6.5 6.0 6.4 6.0 7.0 3.7 6.1 6.5 6.2 6.3 6.5 5.7 6.3 5.9 6.3 5.9 5.8 5.9 6.1 KINGDOM 8.0 6.0 6.3 6.1 9.0 8.3 5.8 5.8 6.0 6.3 6.3 6.0 6.4 6.1 6.6 6.4 5.9 6.6 6.1 PURE SELECT 7.1 5.7 6.6 6.6 7.3 1.7 6.1 6.1 6.3 6.1 6.3 6.0 6.3 6.0 6.4 6.4 5.9 6.3 6.1 DLFPS-AP/3059 6.8 5.3 6.2 6.1 7.0 3.0 5.8 6.0 5.8 6.2 6.3 5.6 6.2 6.0 6.1 5.8 5.7 6.0 5.9 PENNCROSS 5.8 6.3 5.0 5.7 6.0 5.7 5.7 5.5 5.1 5.3 5.1 4.3 5.1 5.1 5.4 5.3 4.9 4.9 5.0 LSD VALUE 0.3 2.4 0.5 0.4 0.3 2.5 0.6 0.6 0.6 0.6 0.6 0.9 0.6 0.8 0.6 0.5 1.1 0.5 0.5 C.V. (%) 6.3 12.7 7.8 6.5 3.1 46.4 11.0 11.3 11.8 10.5 11.2 18.1 12.3 15.0 10.1 7.9 17.3 8.1 9.4 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.