TABLE 13. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2011 NATIONAL KENTUCKY BLUEGRASS TEST AT STILLWATER, OK 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT SEEDLING COVER COVER PERCENT ESTABLISHMENT QUALITY RATINGS NAME VIGOR SPRING SUMMER NOVEMBER DECEMBER MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN SRX 4338 5.0 97.3 99.0 60.0 97.0 5.7 7.3 8.7 6.7 6.3 6.0 7.3 9.0 8.0 6.7 7.2 BAR VV 0709 8.0 99.0 99.0 73.3 98.7 7.0 7.3 8.0 6.3 7.3 6.7 7.0 8.0 7.0 6.7 7.1 BLUE NOTE 7.3 98.0 99.0 66.7 98.0 5.3 7.3 9.0 7.7 6.3 5.7 7.0 8.7 7.7 6.3 7.1 A03-1017 6.7 96.0 99.0 63.3 97.7 5.3 7.0 9.0 8.3 6.0 6.7 7.0 8.0 7.0 6.0 7.0 KEENELAND (A04-342) 7.0 87.7 96.0 53.3 93.0 4.7 6.3 8.7 7.3 6.7 6.3 7.3 8.7 7.7 6.0 7.0 BURL 3-51 6.3 92.7 97.7 50.0 90.0 5.0 7.0 9.0 7.3 6.0 6.0 7.0 8.7 7.7 6.7 7.0 EMPIRE 5.0 94.3 99.0 42.7 91.7 5.0 6.3 8.0 7.3 7.0 7.0 7.0 8.7 7.7 6.3 7.0 A05-360 8.0 98.3 99.0 56.7 98.3 6.0 7.0 8.0 7.0 6.0 5.7 7.0 8.3 7.3 6.3 6.9 A05-361 7.3 95.3 99.0 60.0 93.7 5.3 7.0 8.3 6.7 6.7 6.3 7.0 8.3 7.3 6.0 6.9 BAR 8PP 504 8.3 96.3 99.0 63.3 97.3 5.3 6.7 8.0 6.3 6.7 7.0 7.3 8.3 7.3 6.0 6.9 J-1136 6.7 94.7 99.0 63.3 95.0 4.0 6.0 8.3 8.3 6.7 6.0 7.0 8.7 7.7 6.0 6.9 J-1853 6.7 93.7 99.0 71.7 97.3 5.0 6.3 8.0 8.7 6.3 5.7 6.7 8.3 7.3 6.3 6.9 LTP-08-6 5.7 95.3 99.0 53.3 93.0 4.7 6.7 9.0 7.3 6.3 6.3 7.3 8.3 7.3 5.7 6.9 MIDNIGHT 7.0 97.0 99.0 66.7 96.3 5.3 5.7 8.3 8.0 6.3 6.3 7.0 8.7 7.7 6.0 6.9 A01-1106 8.0 98.3 99.0 70.0 98.0 5.7 6.7 8.7 7.3 6.0 6.3 6.7 7.7 7.0 6.3 6.8 A06-26 8.0 96.0 99.0 63.3 97.0 5.3 6.7 8.3 6.7 6.7 6.0 7.0 8.3 7.3 6.0 6.8 LEGEND (A10-1) 7.0 96.0 97.7 71.7 96.0 5.0 6.3 8.3 8.3 6.7 5.3 6.7 8.3 7.0 6.0 6.8 SRX 2758 7.7 98.3 99.0 66.7 94.0 5.3 6.7 8.3 7.3 6.3 6.3 7.0 8.0 7.0 5.7 6.8 A00-2882 5.0 98.3 99.0 53.3 98.3 6.0 7.3 8.7 8.0 6.0 5.7 6.3 7.3 6.3 5.7 6.7 BURL 06-11 6.0 91.3 99.0 63.3 97.0 5.3 6.7 7.7 5.7 5.7 6.0 7.0 8.7 7.7 6.7 6.7 PICK 4340 6.3 97.3 98.7 65.0 96.0 4.7 6.3 8.3 7.7 6.3 6.3 7.0 8.0 7.0 5.7 6.7 PICK TD8 7.3 97.7 99.0 71.7 94.3 5.7 7.0 8.3 7.0 6.7 5.3 6.7 7.7 7.0 5.7 6.7 SKYE 5.3 97.0 99.0 66.7 93.0 5.3 6.7 8.0 7.0 6.3 5.7 7.0 7.7 7.0 6.0 6.7 A04-36 6.3 98.3 99.0 65.0 95.0 5.7 6.7 7.3 6.3 5.3 6.0 7.0 8.3 7.3 6.3 6.6 A04-38 7.0 95.7 99.0 46.7 88.3 5.0 6.0 7.7 7.0 5.3 6.3 7.3 8.3 7.3 6.0 6.6 A06-46 5.3 94.7 99.0 65.0 98.3 5.7 6.7 8.3 5.7 4.7 5.7 6.7 8.7 7.7 6.7 6.6 BAR PP 110358 7.3 97.3 99.0 63.3 95.3 5.7 7.0 8.0 6.0 5.7 5.7 6.7 8.0 7.0 6.0 6.6 J-1770 6.3 93.3 97.7 60.0 97.3 4.3 6.0 8.3 7.3 6.3 6.3 7.0 7.7 6.7 5.7 6.6 NU CHICAGO 5.7 96.0 99.0 60.0 92.7 4.0 6.3 9.0 7.3 6.3 5.7 6.7 8.0 7.0 6.0 6.6 PST-K4-7 5.0 96.3 99.0 60.0 90.0 4.7 6.3 8.3 7.3 5.7 5.7 6.7 8.0 7.0 6.0 6.6 PICK 033 5.7 96.0 99.0 56.7 90.0 5.0 6.3 8.0 7.0 6.7 5.0 6.3 8.0 7.0 5.7 6.5 PP 10847 6.7 96.0 99.0 63.3 95.7 5.7 6.7 8.0 6.0 6.7 6.3 6.3 7.3 6.3 5.3 6.5 PST-07-261 5.7 93.7 94.7 53.3 91.7 4.3 6.0 8.3 6.0 6.3 6.0 6.7 7.7 7.0 6.3 6.5 PST-K9-97 3.7 91.7 97.7 53.3 90.0 4.3 6.7 9.0 8.0 6.0 5.7 6.7 7.3 6.3 5.3 6.5 SUDDEN IMPACT 5.7 97.0 99.0 63.3 96.3 5.0 7.0 8.7 7.7 6.0 4.7 6.0 7.7 6.7 5.3 6.5 A00-4199 8.0 97.0 99.0 66.7 96.0 5.7 6.7 8.0 6.7 5.3 5.7 5.3 8.0 7.0 6.0 6.4 A05-315 7.0 91.0 96.0 61.7 92.7 4.3 6.0 8.0 6.3 6.0 6.0 6.7 8.0 7.0 6.0 6.4 A05-TB-382 5.3 92.7 99.0 53.3 88.3 5.0 6.3 8.0 6.3 6.0 5.7 6.3 7.7 6.7 5.7 6.4 A98-363 6.3 97.3 99.0 70.0 97.0 5.0 6.3 8.0 6.0 7.0 5.7 6.3 7.7 6.7 5.7 6.4 BAR VV 112916 6.7 97.3 99.0 68.3 94.3 6.0 7.0 8.3 6.3 5.0 5.7 6.7 7.3 6.3 5.7 6.4 BAR VV 118532 5.7 93.3 99.0 70.0 97.3 5.0 6.7 8.3 6.7 6.3 5.7 6.3 7.3 6.3 5.7 6.4 H99-1653 9.0 97.7 94.3 66.7 95.0 5.3 6.3 7.7 6.7 6.0 5.7 6.7 6.7 7.0 6.0 6.4 RAD-1492 4.3 94.3 99.0 53.3 96.0 5.7 6.3 7.3 6.3 5.7 5.0 6.7 8.0 7.0 5.7 6.4 RUSH 6.3 96.0 99.0 70.0 98.3 4.7 6.3 8.3 8.0 5.7 5.3 6.3 7.3 6.3 6.0 6.4 A05-999 2.7 96.0 99.0 60.0 96.0 5.7 6.7 8.0 7.0 5.7 4.7 6.3 7.3 6.7 5.3 6.3 TABLE 13. (CONT'D) MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2011 NATIONAL KENTUCKY BLUEGRASS TEST AT STILLWATER, OK 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT SEEDLING COVER COVER PERCENT ESTABLISHMENT QUALITY RATINGS NAME VIGOR SPRING SUMMER NOVEMBER DECEMBER MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN A98-344 6.7 97.3 99.0 60.0 92.7 5.0 6.7 8.3 6.3 5.7 5.7 6.0 7.3 6.3 5.7 6.3 AVID 5.0 90.0 96.0 56.7 90.0 4.3 6.3 8.0 6.7 6.0 5.7 6.3 7.3 6.7 5.3 6.3 BAR PP 119327 4.7 96.0 99.0 60.0 96.3 5.3 6.7 8.0 6.0 5.7 5.3 6.7 7.7 6.7 5.0 6.3 DPPP 818 6.0 95.3 99.0 65.0 89.3 5.3 6.7 8.0 5.3 7.0 5.0 6.3 7.3 6.3 5.3 6.3 PICK MP07 6.0 96.3 99.0 56.7 94.3 5.0 6.3 8.0 6.7 5.0 5.7 6.3 7.7 6.7 6.0 6.3 SRX 466 7.7 97.3 98.7 63.3 93.7 5.7 6.3 7.7 6.7 5.7 5.0 6.3 7.7 6.7 5.3 6.3 SRX 5321 4.3 91.7 99.0 56.7 97.3 5.0 6.3 8.0 7.0 6.0 5.3 6.0 7.3 6.3 5.3 6.3 ZINGER (A05-306) 8.0 95.3 99.0 66.7 93.3 5.7 6.7 7.7 6.3 4.3 5.0 6.3 8.0 6.7 5.3 6.2 A06-47 5.0 93.0 99.0 56.7 93.3 6.0 7.0 8.0 6.0 6.3 4.3 5.7 7.3 6.3 5.3 6.2 AKB 2282 5.7 91.7 96.3 38.3 88.3 3.7 6.3 8.7 7.3 5.3 4.3 6.3 7.7 7.0 5.7 6.2 AMERICA 7.3 91.7 99.0 60.0 96.0 5.3 6.3 7.7 6.3 5.7 5.0 6.3 7.3 6.3 5.3 6.2 KENBLUE 5.0 97.0 99.0 50.0 88.3 5.7 6.7 7.7 5.0 5.0 5.3 6.7 7.7 6.7 6.0 6.2 PPH 9131 5.0 97.3 99.0 63.3 93.3 4.7 6.3 8.0 6.0 6.0 5.7 6.3 7.3 6.3 5.3 6.2 PST-K10-106D 6.7 94.3 99.0 63.3 93.3 5.3 6.7 7.7 5.7 5.7 5.7 6.7 7.0 6.0 5.3 6.2 PST-K4-3 6.3 94.3 99.0 56.7 91.0 5.0 6.7 8.3 6.7 5.7 5.3 6.0 7.0 6.0 5.0 6.2 RAD-507 3.7 91.7 99.0 60.0 91.7 5.0 6.3 8.0 6.0 5.0 5.3 6.3 7.7 6.3 5.7 6.2 ARROWHEAD 5.3 88.3 99.0 60.0 90.0 4.3 6.0 8.3 6.7 6.0 4.7 6.0 7.3 6.3 5.3 6.1 CABERNET 1.7 80.0 99.0 28.3 73.3 3.3 5.7 8.0 6.0 6.0 5.7 6.7 7.7 6.7 5.3 6.1 PST-T10-18 5.3 94.0 92.7 55.0 93.3 4.3 6.0 8.0 6.0 6.3 5.3 6.3 7.3 6.3 5.3 6.1 SHAMROCK 5.3 97.0 98.7 66.7 94.3 5.3 6.7 8.0 6.0 5.7 5.0 5.7 7.3 6.3 5.3 6.1 4S2W 3.0 91.7 99.0 56.7 90.0 4.3 6.3 8.3 7.0 5.0 4.7 6.0 7.3 6.3 5.0 6.0 A05-204 5.7 90.0 97.3 60.0 91.0 4.3 6.0 7.3 6.7 5.3 5.0 5.7 7.7 6.3 5.3 6.0 AWARD 1.0 68.3 94.3 12.7 35.0 2.3 5.0 7.7 5.3 5.7 5.7 6.7 8.0 7.0 6.0 5.9 BAR 12PP 612 6.3 96.0 99.0 65.0 95.0 5.3 6.7 8.0 6.0 4.7 4.7 5.7 7.0 6.0 5.0 5.9 BAR PP 119326 5.3 97.3 99.0 63.3 92.7 5.3 6.7 8.0 6.0 4.3 4.3 5.7 7.3 6.3 5.3 5.9 BARDUKE 5.7 96.0 97.7 60.0 94.3 5.0 6.3 8.0 6.7 4.3 5.0 5.7 7.0 6.0 5.0 5.9 PST-K9-99 4.7 92.7 97.7 60.0 94.3 5.0 6.3 8.0 6.0 6.0 4.0 5.7 7.0 5.7 4.7 5.8 THERMAL BLUE 6.7 95.7 99.0 70.0 98.0 5.7 6.7 8.0 6.0 4.0 5.0 6.0 6.7 5.7 4.7 5.8 3733 3.0 90.0 95.7 46.7 88.3 3.7 5.7 8.0 5.7 5.7 4.7 6.0 7.0 5.7 4.7 5.7 BARON 6.0 95.7 99.0 66.7 96.3 5.7 6.7 8.0 6.0 4.3 4.0 5.0 6.7 5.7 4.7 5.7 RAD-849 7.0 91.0 97.7 60.0 95.3 5.0 6.7 8.3 6.7 4.3 4.3 5.0 6.3 5.7 4.7 5.7 A04-74 6.7 96.0 99.0 66.7 91.7 5.3 7.0 8.7 6.7 6.3 4.0 4.0 4.7 4.3 4.0 5.5 A05-329 4.7 91.0 94.3 50.0 91.3 4.0 5.7 7.3 5.7 5.7 4.7 5.3 6.0 5.3 4.3 5.4 AKB 2555 2.7 85.0 97.7 40.0 85.0 3.3 5.7 8.3 6.3 4.3 3.3 4.0 5.3 4.7 3.7 4.9 PICK TD9 4.3 93.3 99.0 63.3 94.3 4.7 6.3 8.0 7.0 4.3 2.7 3.3 5.3 4.0 3.3 4.9 BLACKJACK 7.3 94.7 99.0 63.3 96.0 5.3 6.7 8.0 6.3 2.0 1.7 2.7 3.3 3.3 2.3 4.2 PST-K9-90 4.0 88.3 99.0 43.3 91.7 4.0 5.3 8.0 5.3 3.7 2.3 3.0 3.7 3.7 3.0 4.2 LSD VALUE 1.5 7.9 8.5 20.8 8.4 1.5 1.4 1.1 1.4 1.3 1.5 1.2 1.3 1.0 1.0 0.7 C.V. (%) 16.7 4.7 2.3 18.4 5.8 15.8 9.2 6.1 11.9 13.4 16.6 11.7 10.9 10.1 11.2 6.6 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. 2012 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2011 NATIONAL KENTUCKY BLUEGRASS 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 7.1-7.5 151-270 501+ 3.1-4.0 FULL SUN 1.6-2.0 TO PREVENT DORMANCY