TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (FAIRWAY) TEST AT LEXINGTON, KY 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT % DOLLAR % POA GENETIC SPRING DENSITY COVER COVER COVER WINTER SPOT ANNUA PERCENT BROWN PATCH RATINGS NAME COLOR GREENUP SPRING SPRING SUMMER FALL COLOR AUGUST APRIL MAY JUNE JULY AUGUST SRX 7MOBB 7.7 7.5 7.7 93.3 80.0 86.7 7.7 0.0 4.3 25.7 23.0 75.0 50.0 TIGER II (CIS AT-5) 6.0 6.0 7.7 90.0 94.7 97.3 6.0 0.0 3.3 29.3 26.7 31.7 28.3 SRX 7MODD 8.0 8.5 7.0 91.7 68.3 87.3 9.0 0.0 2.3 25.7 16.3 31.7 46.0 PST-9PM 7.7 8.5 6.7 68.3 89.0 96.0 9.0 0.0 11.3 13.3 26.7 36.7 36.7 GLORY (PST-9HG) 7.7 8.5 7.3 93.0 89.7 96.0 9.0 0.0 3.7 12.3 13.0 25.0 33.3 L-93 7.0 5.5 6.7 88.3 91.3 81.7 6.0 15.7 0.7 21.0 4.0 0.0 0.0 TRUELINE 7.0 7.5 7.0 76.7 63.3 81.3 7.7 21.7 3.3 0.0 0.0 0.0 0.0 PRINCEVILLE 6.3 6.5 7.0 83.3 91.7 73.3 7.0 29.0 3.3 5.0 0.0 0.0 0.0 SRX 1BPAA 7.7 7.5 7.3 86.7 71.7 70.0 7.7 25.0 5.3 0.0 0.0 0.0 0.0 PENN G-6 7.0 7.0 7.3 93.0 80.3 73.3 6.7 35.0 0.3 0.0 0.0 0.0 0.0 PENNEAGLE 6.3 7.0 6.0 85.0 75.0 76.7 7.0 41.7 5.0 0.0 0.0 0.0 0.0 ABT-COL-2 5.7 7.5 8.0 86.7 85.7 91.7 7.0 0.0 8.0 46.7 36.7 45.0 30.0 BRIGHTON (SRX 1120) 6.3 6.5 7.0 85.0 65.0 65.0 7.7 25.3 7.7 3.3 0.0 0.0 0.0 CENTURY 7.0 7.5 8.0 85.7 48.3 66.7 7.0 66.7 5.0 28.3 0.0 0.0 0.0 IMPERIAL 7.0 7.7 8.0 90.0 56.7 60.0 7.3 55.0 1.7 9.0 0.0 0.0 0.0 SR 1119 7.3 6.5 6.7 85.0 61.7 63.3 7.3 48.3 4.3 0.0 5.7 0.0 0.0 TIGER 7.7 8.0 5.7 84.0 75.0 87.3 9.0 0.0 12.3 13.0 35.7 36.7 52.3 PST-0VN 7.7 7.0 7.3 82.3 45.0 75.0 7.3 25.0 12.7 2.3 0.0 0.0 0.0 BACKSPIN 7.0 6.5 7.0 75.0 53.3 58.3 7.7 40.0 1.0 0.0 0.0 0.0 0.0 PROVIDENCE 6.0 6.0 6.0 83.3 51.7 70.0 7.3 45.0 9.0 24.0 0.0 0.0 0.0 SR 7100 5.0 7.0 7.0 82.3 85.7 89.7 7.3 0.0 3.7 20.0 1.7 43.3 43.3 PENNCROSS 7.0 7.5 5.3 75.0 79.0 73.3 7.3 48.3 13.7 1.7 0.0 0.0 0.0 GRAND PRIX 7.0 6.0 6.0 66.7 76.7 66.7 6.7 48.3 5.3 0.0 0.0 0.0 0.0 SEASIDE II 6.0 7.5 7.7 90.0 53.3 61.7 6.7 26.7 3.7 1.0 0.0 0.0 0.0 GOLFSTAR 7.3 8.0 4.0 60.0 55.0 73.3 7.7 10.0 15.7 3.3 7.3 53.3 21.7 SEASIDE 5.0 8.5 4.7 48.3 58.3 68.3 6.7 48.3 15.3 0.0 0.0 36.0 26.7 LSD VALUE 0.6 1.1 0.8 9.8 24.3 10.2 0.8 18.9 5.6 17.5 11.0 21.9 14.6 C.V. (%) 5.7 7.7 7.8 7.8 19.6 8.6 7.1 48.5 55.0 95.5 93.9 87.9 67.9 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 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE (CONT'D) 1998 NATIONAL BENTGRASS (FAIRWAY) TEST AT LEXINGTON, KY 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS NAME MAR APR MAY JUN JUL AUG SEP OCT MEAN SRX 7MOBB 7.7 8.0 7.7 6.0 6.0 6.3 6.7 7.3 7.0 TIGER II (CIS AT-5) 5.3 7.3 7.3 6.0 5.3 8.0 6.7 8.0 6.8 SRX 7MODD 8.0 8.3 8.0 7.0 5.0 5.0 6.0 7.0 6.8 PST-9PM 7.3 6.3 6.3 5.7 5.3 7.3 7.0 7.7 6.6 GLORY (PST-9HG) 6.7 7.7 5.3 6.0 5.0 7.0 7.0 7.7 6.5 L-93 5.0 7.7 7.0 8.3 6.0 6.3 5.0 6.0 6.4 TRUELINE 7.0 8.0 7.7 7.7 5.0 5.0 5.3 5.3 6.4 PRINCEVILLE 7.3 7.0 6.7 7.7 6.0 5.3 4.3 6.0 6.3 SRX 1BPAA 6.7 8.0 7.0 7.3 6.0 5.0 4.7 6.0 6.3 PENN G-6 7.0 7.0 7.0 7.0 5.3 5.0 5.0 5.7 6.1 PENNEAGLE 7.3 7.0 6.0 7.3 5.7 5.0 4.3 6.3 6.1 ABT-COL-2 6.0 7.0 6.3 5.0 4.3 5.7 6.7 7.0 6.0 BRIGHTON (SRX 1120) 6.7 7.3 6.7 7.0 6.0 4.3 4.3 5.7 6.0 CENTURY 8.3 7.3 7.0 7.7 4.3 4.3 4.0 4.7 6.0 IMPERIAL 8.0 7.0 7.7 7.7 5.0 4.0 4.0 5.0 6.0 SR 1119 6.7 7.0 7.0 7.7 5.0 5.0 4.7 4.7 6.0 TIGER 6.0 7.0 6.3 6.0 3.3 6.0 6.3 7.0 6.0 PST-0VN 7.3 7.0 6.3 6.7 5.3 4.0 4.3 5.0 5.8 BACKSPIN 7.3 6.7 7.0 7.0 5.0 4.0 4.0 4.7 5.7 PROVIDENCE 6.0 7.7 6.7 6.0 4.0 4.7 4.7 5.7 5.7 SR 7100 5.3 6.0 5.7 5.0 3.7 6.7 6.7 6.3 5.7 PENNCROSS 7.0 6.3 6.0 6.3 4.3 5.0 4.0 6.0 5.6 GRAND PRIX 5.3 5.7 7.0 6.3 5.0 5.3 4.0 5.3 5.5 SEASIDE II 5.7 7.0 6.7 6.0 5.0 4.7 4.0 5.0 5.5 GOLFSTAR 5.0 5.0 4.7 4.3 4.7 5.3 5.7 6.0 5.1 SEASIDE 4.0 4.7 4.3 4.7 3.3 5.0 5.3 5.3 4.6 LSD VALUE 1.2 0.9 0.9 1.0 1.4 1.3 0.7 1.2 0.5 C.V. (%) 11.4 7.9 8.8 9.4 15.4 15.1 9.2 12.4 5.6 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. TABLE A. 2001 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 1998 NATIONAL BENTGRASS (FAIRWAY/TEE) 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 KY1 SILT LOAM AND SILT 6.1-6.5 61-150 241-375 2.1-3.0 FULL SUN 0.6-1.0 TO PREVENT STRESS