TABLE 17. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2003 NATIONAL BENTGRASS (FAIRWAY) TEST AT STILLWATER, OK 1/ 2005 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT GENETIC LEAF DENSITY COVER COVER COVER WINTER QUALITY RATINGS NAME COLOR TEXTURE SUMMER SPRING SUMMER FALL COLOR FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN KINGPIN (9200) 7.7 8.0 8.0 99.0 92.3 99.0 9.0 6.0 8.7 7.7 8.7 6.0 7.3 6.7 7.0 8.0 8.7 8.0 7.5 LS-44 6.7 7.7 7.3 99.0 97.7 99.0 8.7 6.0 8.0 7.0 8.0 6.0 7.3 6.7 7.3 8.7 9.0 8.0 7.5 SHARK (23R) 6.7 7.7 7.0 99.0 97.7 99.0 8.0 6.0 7.7 7.3 8.0 6.0 7.0 6.7 8.0 8.7 9.0 7.7 7.5 13-M 7.0 7.3 6.0 99.0 97.3 99.0 7.3 6.0 7.0 7.3 7.7 6.0 7.0 6.7 8.0 8.3 9.0 8.0 7.4 PST-OEB 7.7 8.0 8.0 99.0 97.3 99.0 8.7 6.3 8.0 7.0 9.0 6.0 8.0 6.0 7.7 6.7 9.0 8.0 7.4 ALPHA 7.7 7.7 8.0 99.0 96.3 99.0 8.3 6.0 7.7 7.0 9.0 6.0 7.3 5.3 8.0 8.0 8.3 7.7 7.3 BENGAL 7.3 7.7 7.7 99.0 97.7 98.7 7.7 6.0 7.0 6.7 9.0 6.0 7.3 6.3 7.3 8.0 8.7 8.0 7.3 MACKENZIE (SRX 1GPD) 6.0 7.7 7.3 99.0 95.3 99.0 7.7 6.0 7.3 7.0 8.0 6.0 7.0 5.7 8.3 8.3 9.0 8.0 7.3 PENNEAGLE II 7.0 8.0 7.7 99.0 97.7 99.0 7.3 6.0 7.0 7.0 8.0 6.0 7.0 6.7 7.3 8.3 9.0 8.0 7.3 SR 1119 8.0 7.7 7.7 99.0 97.0 99.0 9.0 6.0 7.3 6.7 8.7 6.0 7.3 7.3 6.7 8.0 8.7 8.0 7.3 L-93 7.7 7.3 7.3 99.0 94.7 99.0 8.0 6.0 7.7 6.7 7.7 6.0 6.7 6.3 7.0 8.3 8.7 8.0 7.2 T-1 7.7 7.7 7.3 99.0 92.7 99.0 8.7 6.0 8.0 7.0 9.0 5.7 6.7 4.3 8.3 8.7 8.3 7.3 7.2 AUTHORITY (235050) 6.3 8.0 7.3 99.0 95.7 99.0 6.7 6.0 8.0 6.7 8.0 6.0 6.7 4.7 7.3 8.0 9.0 8.0 7.1 DECLARATION 7.3 7.7 8.0 99.0 77.7 99.0 7.3 6.0 7.3 7.0 8.3 6.0 6.7 4.7 7.7 7.3 8.7 8.0 7.1 BARDOT 7.0 7.7 7.3 99.0 94.7 99.0 8.0 5.7 7.0 6.0 7.7 6.0 7.0 5.0 8.3 6.7 9.0 7.3 6.9 INDEPENDENCE 7.0 8.0 7.7 99.0 96.0 99.0 8.7 6.0 7.0 7.0 8.0 6.0 7.0 4.7 7.7 6.7 8.3 7.7 6.9 PENNLINKS II 8.0 7.0 7.0 99.0 89.0 99.0 7.7 6.3 6.7 7.0 8.3 5.3 7.0 6.0 6.7 7.0 8.0 7.7 6.9 IS-AP 14 6.3 7.7 7.3 99.0 98.3 99.0 6.3 6.0 7.0 7.0 8.0 6.0 7.0 7.0 5.3 7.0 7.0 6.7 6.7 PRINCEVILLE 7.0 6.7 6.7 99.0 94.7 99.0 6.0 6.0 6.7 6.3 7.7 5.7 6.7 6.3 6.3 7.3 7.7 7.3 6.7 PENNCROSS 6.7 6.7 6.3 99.0 97.0 99.0 7.7 5.3 6.0 5.7 7.0 5.7 6.3 6.0 7.3 8.0 8.3 7.3 6.6 SR 1150 (SRX 1PDH) 6.3 7.3 7.7 99.0 73.0 99.0 7.3 6.0 7.0 7.3 8.0 6.0 6.7 5.0 5.7 7.0 7.3 7.0 6.6 SR 7150 7.3 6.7 6.3 99.0 97.7 99.0 8.0 5.3 5.3 5.7 7.0 5.3 6.3 6.0 6.3 7.7 7.7 7.0 6.3 TIGER II 7.0 7.3 5.3 99.0 96.0 97.7 7.7 5.7 6.0 6.3 7.3 5.0 5.7 5.0 7.0 7.3 7.0 6.7 6.3 EWTR 7.3 6.7 6.3 98.7 97.0 96.0 7.0 4.7 4.7 5.3 7.0 5.0 6.0 5.7 6.7 7.0 7.3 6.7 6.0 PST-9NBC 7.3 6.7 6.0 99.0 93.3 97.3 7.7 5.3 5.7 5.3 7.3 5.0 5.0 4.7 5.7 7.0 6.7 4.7 5.7 IS-AT 7 6.7 6.3 4.7 98.3 93.3 96.7 8.0 5.3 4.7 5.7 6.3 5.0 5.0 4.3 5.3 6.3 5.0 4.7 5.2 PST-9VN 7.7 6.3 4.7 98.7 93.0 97.7 7.3 4.7 4.7 5.0 6.7 5.0 4.3 4.3 5.3 5.0 6.0 5.3 5.1 SEASIDE 6.3 5.0 5.3 99.0 97.3 97.0 5.0 5.0 5.0 4.0 4.7 5.0 5.7 5.0 5.0 4.7 5.0 5.0 4.9 LSD VALUE 1.0 1.0 1.2 0.9 31.9 2.7 1.1 0.8 1.4 1.2 1.2 0.5 0.9 6.1 2.1 2.8 1.7 1.6 0.8 C.V. (%) 7.9 7.9 11.1 0.3 10.6 1.2 8.7 7.5 12.6 11.1 9.3 5.2 8.4 30.7 15.7 16.9 12.5 13.2 7.1 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 17. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE (CONT'D) 2003 NATIONAL BENTGRASS (FAIRWAY) TEST AT STILLWATER, OK 1/ 2004 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT COVER RATINGS FROM DIVOT RECOVERY 3/ STUDY 1 STUDY 2 STUDY 3 NAME AUG 11 AUG 25 NOV 22 DEC 6 JUN 6 DEC 19 KINGPIN (9200) 74.0 95.0 38.0 49.0 8.7 12.3 LS-44 67.7 93.3 42.3 47.7 11.3 15.7 SHARK (23R) 55.0 91.3 39.3 33.7 5.3 4.7 13-M 74.7 97.7 36.0 48.3 13.7 16.0 PST-OEB 80.3 98.0 45.7 43.7 9.3 11.0 ALPHA 64.3 95.3 36.7 46.7 11.3 13.7 BENGAL 76.3 95.3 45.0 55.7 5.0 12.0 MACKENZIE (SRX 1GPD) 68.3 98.3 33.0 30.7 6.0 8.3 PENNEAGLE II 82.7 95.7 38.3 39.7 11.7 11.7 SR 1119 74.3 94.3 47.3 54.0 11.3 15.7 L-93 59.0 87.0 47.0 46.3 12.3 13.7 T-1 55.3 95.0 26.0 24.0 6.3 9.3 AUTHORITY (235050) 63.0 89.0 37.3 44.0 12.3 16.7 DECLARATION 64.0 96.7 39.7 44.0 12.3 10.7 BARDOT 63.3 93.7 22.0 25.3 5.3 9.7 INDEPENDENCE 76.3 94.3 25.0 37.3 9.3 12.3 PENNLINKS II 77.7 90.0 65.3 59.3 15.7 16.0 IS-AP 14 88.7 95.7 40.7 46.0 14.0 14.3 PRINCEVILLE 76.0 96.3 48.0 57.0 10.0 12.7 PENNCROSS 59.7 98.7 49.0 64.3 21.0 20.7 SR 1150 (SRX 1PDH) 48.7 89.7 49.0 55.0 15.0 14.0 SR 7150 75.0 91.7 35.0 43.0 14.3 19.7 TIGER II 44.0 71.0 16.0 16.0 5.0 12.3 EWTR 72.7 98.3 47.3 53.0 15.0 15.7 PST-9NBC 76.3 94.3 45.0 52.7 15.0 22.7 IS-AT 7 54.3 81.3 40.0 51.7 6.7 13.0 PST-9VN 55.7 79.0 63.0 64.3 13.0 17.3 SEASIDE 76.3 92.0 54.7 66.0 23.3 25.3 LSD VALUE 60.6 26.1 41.0 32.4 17.2 24.6 C.V. (%) 27.9 10.3 37.1 31.1 58.1 53.7 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. 3/ STUDY ONE WAS PERFORMED USING A KICK-CUTTER MECHANICAL DEVUCE. STUDIES TWO AND THREE WERE PERFOMED USING A MOTORIZED, MODIFIED "EDGER" DEVICE WHICH ALSO SIMULATED UNIFORM DIVOTS. TABLE A. 2005 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2003 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 OK1 LOAM 6.6-7.0 151-270 501+ 2.1-3.0 PARTIAL SHADE 0.0-0.5 TO PREVENT STRESS