TABLE 20A. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS GROWN A FAIRWAY OR TEE UNDER SHADE AT CARBONDALE, IL 1/ 2009-13 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT PERCENT SPRING SPRING COVER COVER COVER DOLLAR ESTABLISH- QUALITY RATINGS NAME GREENUP DENSITY SPRING SUMMER FALL SPOT MENT MAR APR MAY JUN JUL AUG SEP OCT NOV MEAN DECLARATION 6.0 5.3 75.3 66.7 61.4 7.0 63.7 4.8 6.3 6.1 5.7 6.3 5.9 6.4 6.8 7.3 6.1 CRYSTAL BLUELINKS 5.3 6.3 79.7 56.7 68.1 8.7 70.0 4.6 6.0 6.0 5.6 6.1 5.9 5.9 6.3 6.4 5.9 PENNCROSS 5.0 4.7 80.8 61.7 68.8 7.0 66.0 4.8 6.3 5.7 5.8 6.4 5.8 5.9 5.7 5.7 5.8 AUTHORITY 4.0 7.0 75.3 56.6 65.0 8.0 67.3 4.3 5.5 5.3 5.5 6.2 5.5 5.5 6.0 5.8 5.5 BARRACUDA (MVS-AP-101) 5.3 6.0 74.8 55.4 53.7 7.0 62.0 4.1 5.5 4.9 5.4 5.7 5.4 5.7 5.4 6.1 5.4 PROCLAMATION (LTP-FEC) 4.0 8.0 86.8 55.3 66.9 8.0 66.3 4.4 5.7 5.3 5.4 5.6 5.3 5.5 5.4 5.6 5.4 MEMORIAL 5.3 4.0 69.8 52.7 56.9 6.0 66.3 4.3 5.6 5.1 5.2 5.4 5.2 5.5 5.8 6.4 5.3 L-93 5.3 6.7 83.0 54.9 61.3 7.3 67.7 4.3 5.7 5.0 4.9 5.5 5.1 5.3 5.4 5.1 5.2 PURE SELECT (PST-OJD) 4.0 6.0 85.7 54.2 61.4 5.3 85.7 4.3 5.6 5.2 5.0 5.7 5.0 5.4 5.3 5.9 5.2 A08-FT12 4.7 7.0 77.5 39.8 59.7 6.3 55.0 4.5 5.5 5.0 5.1 5.0 4.7 5.1 5.5 5.6 5.1 T-1 5.0 7.7 76.7 52.3 56.2 8.3 61.0 3.9 5.4 5.3 5.8 5.9 4.9 4.9 5.2 4.7 5.1 CY-2 5.0 6.0 85.8 48.5 54.6 6.0 66.0 4.1 5.7 5.1 4.9 5.2 4.6 4.9 4.9 5.0 5.0 A08-EBM 5.3 5.7 75.0 45.3 49.3 6.0 72.7 4.3 5.4 4.9 4.8 4.9 4.5 4.8 5.4 5.0 4.9 007 4.3 6.0 80.7 46.1 56.2 6.7 68.0 4.1 5.6 4.9 4.7 5.1 4.6 4.5 4.6 4.8 4.8 BCD 6.0 4.7 61.3 39.5 43.4 7.7 62.3 4.1 5.6 5.2 4.6 5.1 4.3 4.5 5.0 5.3 4.8 LUMINARY (A08-TDN2) 5.3 8.0 87.3 44.1 60.6 7.0 71.7 4.5 5.5 4.4 4.7 5.1 4.5 4.9 4.8 4.8 4.8 PST-R9D7 3.7 4.0 61.7 38.5 46.3 9.0 67.3 3.9 4.9 4.7 4.5 4.7 4.5 4.4 4.7 4.9 4.6 BENCHMARK DSR 4.7 6.0 79.0 41.3 49.6 8.3 76.0 3.9 4.9 4.3 4.5 4.9 4.5 4.3 4.6 4.4 4.5 PIN-UP (HTM) 5.0 6.0 68.2 38.8 45.2 6.0 74.0 3.6 4.9 4.7 4.7 5.1 4.1 4.2 4.9 4.8 4.5 PRINCEVILLE 5.7 3.0 65.3 43.7 43.6 5.0 80.0 3.3 4.9 4.4 4.3 4.7 4.7 4.6 4.8 4.9 4.5 TIGER II 4.0 2.0 53.3 29.1 31.6 8.7 90.3 3.3 4.7 4.3 4.0 3.7 3.4 3.4 4.0 4.3 3.8 SRP-1WM 4.7 7.0 82.2 32.1 46.9 8.3 75.7 3.5 4.4 4.0 3.6 4.1 3.4 3.2 3.6 2.8 3.7 GREENTIME 5.0 2.0 32.0 9.0 13.4 8.3 66.3 2.4 3.5 3.0 2.6 2.2 2.1 2.3 2.3 3.1 2.5 LSD VALUE 2.8 1.9 16.1 15.6 19.1 2.6 17.0 0.9 1.0 1.3 1.2 1.2 1.1 1.2 1.2 1.5 0.8 C.V. (%) 20.6 20.9 19.2 47.5 37.4 18.1 12.5 29.4 25.0 32.9 33.3 31.5 33.6 33.9 29.7 30.9 24.0 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.