TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2011 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2013 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DOLLAR SEEDHEAD COLOR QUALITY RATINGS NAME SPOT RATINGS SPRING APR MAY JUN JUL AUG SEP OCT NOV MEAN BAR PP 110358 7.0 7.3 4.7 5.3 5.0 4.7 6.3 5.0 5.7 5.7 6.0 5.5 A05-361 7.0 8.3 5.7 5.7 5.7 4.3 5.0 4.7 5.3 6.0 6.0 5.3 PICK 4340 7.7 8.3 4.7 6.0 5.0 4.3 5.7 5.0 5.3 5.3 5.7 5.3 PST-K9-97 7.7 8.0 6.0 5.7 5.3 5.0 5.0 4.7 5.7 5.7 5.7 5.3 OASIS (A98-344) 7.0 6.7 5.3 5.7 5.3 5.0 5.3 4.7 5.0 4.7 5.0 5.1 BURL 06-11 7.7 8.0 4.7 5.3 4.7 5.3 5.7 4.7 5.3 4.7 5.3 5.1 RUSH 7.0 9.0 4.7 6.0 5.7 4.7 5.0 4.0 5.0 4.7 5.7 5.1 BLUE COAT (AKB 2282) 7.3 5.3 5.0 6.0 5.3 3.7 6.0 4.3 4.7 4.3 5.0 4.9 BLUE NOTE 7.0 8.3 5.0 5.7 4.7 4.0 5.7 4.7 4.7 4.7 5.0 4.9 SKYE 7.7 7.7 5.0 6.0 5.3 4.7 5.0 4.0 5.0 4.0 5.0 4.9 A06-47 8.0 8.0 4.3 5.7 4.0 4.7 4.7 4.3 5.0 4.3 5.3 4.8 A98-363 7.0 7.0 4.7 5.7 4.7 5.0 5.0 3.7 4.3 4.7 5.0 4.8 ARROWHEAD 7.0 6.7 6.0 5.7 5.7 5.0 4.7 4.0 4.3 4.0 4.7 4.8 AWARD 7.7 8.7 3.3 5.3 4.3 4.7 4.7 4.0 4.7 5.0 5.3 4.8 LEGEND (A10-1) 8.0 8.0 4.0 5.7 4.7 4.7 5.3 4.0 4.7 4.7 5.0 4.8 AMERICA 7.7 7.0 4.3 5.0 5.0 4.3 4.7 4.0 4.7 4.7 5.3 4.7 CABERNET 6.7 7.7 4.0 5.0 4.7 4.7 4.7 4.0 4.7 4.7 5.0 4.7 SUDDEN IMPACT 8.3 9.0 3.7 5.3 4.3 4.3 4.7 4.3 4.7 5.0 5.0 4.7 A04-38 7.0 6.3 5.3 5.0 5.0 4.0 5.0 4.3 4.7 4.3 4.7 4.6 A04-74 8.3 8.7 5.0 5.3 5.0 5.7 5.0 3.7 4.0 3.7 4.7 4.6 A05-360 5.7 8.3 4.7 5.3 4.0 4.0 4.7 4.3 4.7 5.0 5.0 4.6 BAR 8PP 504 7.0 8.0 4.0 5.0 4.3 4.0 5.3 4.3 4.7 5.0 4.3 4.6 MIDNIGHT 7.7 8.7 3.3 5.3 4.3 5.0 4.3 4.3 4.3 4.3 5.0 4.6 NU CHICAGO 7.7 8.7 3.3 5.7 4.3 4.0 4.7 4.0 4.7 4.7 4.7 4.6 PST-K4-3 7.7 8.3 5.0 5.3 4.3 4.7 4.3 4.0 4.7 4.7 5.0 4.6 RAD-849 6.7 8.3 4.0 5.3 4.7 3.7 5.3 4.0 4.7 4.3 5.0 4.6 SRX 4338 7.0 8.7 4.3 5.0 4.0 4.0 5.3 4.3 4.3 4.7 5.0 4.6 SRX 5321 8.0 6.7 5.3 5.3 4.7 4.7 5.3 4.3 4.7 3.7 4.3 4.6 J-1136 7.3 8.7 3.3 5.7 4.7 4.3 4.7 3.7 4.0 4.7 4.7 4.5 LTP-08-6 6.7 7.0 5.3 5.3 4.7 4.7 5.0 3.7 4.0 4.0 4.7 4.5 PICK 033 6.7 8.3 4.0 5.3 4.0 3.7 5.0 4.3 4.7 4.7 4.7 4.5 PP 10847 5.0 8.0 4.0 5.7 4.7 3.7 4.7 3.7 4.3 4.3 4.7 4.5 A06-26 7.7 7.3 5.0 5.0 5.0 4.7 5.0 3.3 4.0 3.7 4.3 4.4 AVID 6.7 8.3 5.0 5.3 5.0 4.3 4.0 3.3 4.3 4.3 4.3 4.4 J-1853 7.7 8.7 3.7 5.3 4.7 4.3 4.7 3.3 4.3 4.3 4.3 4.4 4S2W 6.3 8.3 4.3 5.0 4.0 3.7 4.0 3.3 4.0 5.0 5.0 4.3 WATERWORKS (A05-204) 7.7 4.7 5.7 5.3 4.7 5.0 4.7 3.7 3.7 3.3 4.3 4.3 DAUNTLESS (A05-315) 6.7 7.7 4.7 5.0 4.7 3.3 4.7 3.7 4.0 4.0 4.7 4.3 AKB 2555 8.7 4.0 6.7 4.7 4.7 5.3 5.3 3.7 4.0 3.0 3.7 4.3 BURL 3-51 8.0 8.7 3.7 5.0 4.0 4.0 4.3 4.0 4.3 4.3 4.7 4.3 KEENELAND (A04-342) 6.3 8.3 4.3 5.7 4.7 3.7 4.3 3.7 4.0 4.0 4.7 4.3 LUNAR (PST-07-261) 7.3 6.3 4.7 5.3 4.7 3.7 4.7 3.7 4.0 4.0 4.3 4.3 PST-K9-90 7.3 8.3 4.7 5.0 4.7 4.0 5.0 3.7 4.0 4.0 4.3 4.3 RAD-1492 7.7 7.7 5.0 5.3 4.7 5.0 4.3 3.3 3.7 4.0 4.3 4.3 SRX 2758 6.3 8.7 4.0 5.0 4.3 4.0 4.7 3.7 4.3 4.0 4.7 4.3 TABLE 7. (CONT'D) MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2011 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2013 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DOLLAR SEEDHEAD COLOR QUALITY RATINGS NAME SPOT RATINGS SPRING APR MAY JUN JUL AUG SEP OCT NOV MEAN SRX 466 6.0 8.3 4.0 5.0 4.0 4.0 4.3 4.0 4.0 4.0 4.7 4.3 ZINGER (A05-306) 6.7 7.7 5.0 5.0 5.0 4.0 4.7 3.7 4.3 3.7 4.3 4.3 3733 8.0 4.3 6.0 4.3 4.7 4.3 4.7 3.0 4.0 4.3 4.3 4.2 A01-1106 7.0 8.0 4.7 5.0 4.3 4.3 4.7 3.3 3.7 3.7 4.3 4.2 A03-1017 7.3 8.7 3.0 5.0 4.0 4.0 4.3 3.7 4.0 4.3 4.3 4.2 BAR 12PP 612 7.0 5.7 5.7 4.7 5.3 4.7 4.3 3.0 3.7 3.7 4.0 4.2 H99-1653 6.3 8.3 4.3 5.3 4.3 4.0 4.7 3.3 4.0 4.0 4.0 4.2 A06-46 6.3 8.0 4.0 5.0 4.3 4.0 4.0 3.3 4.0 4.0 4.0 4.1 J-1770 7.7 8.7 3.7 5.0 4.7 4.0 4.0 3.0 3.7 4.0 4.3 4.1 PICK TD8 7.7 6.7 5.0 5.0 4.3 5.0 4.7 3.3 3.3 3.3 4.0 4.1 PICK TD9 7.7 8.0 5.7 5.0 5.0 4.0 4.7 3.0 3.7 3.3 4.0 4.1 ENDURANCE (PST-K4-7) 7.7 7.7 4.0 5.3 4.7 4.3 4.0 3.0 3.7 3.7 4.0 4.1 A00-2882 7.7 7.7 4.3 5.0 4.0 4.3 4.3 3.0 3.7 3.7 4.0 4.0 A05-TB-382 6.7 7.0 5.3 5.0 4.3 4.0 4.3 3.0 3.7 3.7 4.0 4.0 Barvette HGT (BAR VV 0709) 6.7 8.7 3.0 4.7 3.7 2.3 4.7 4.0 4.0 4.3 4.3 4.0 DPPP 818 6.3 7.7 5.0 5.0 4.0 3.7 4.0 3.3 3.7 4.0 4.3 4.0 PST-K10-106D 6.0 7.3 4.0 4.7 3.7 3.7 4.7 3.3 4.0 4.0 4.3 4.0 PST-K9-99 5.7 6.3 5.0 5.0 5.0 3.7 4.3 3.3 3.7 3.3 3.7 4.0 A05-329 8.0 7.7 6.3 4.3 4.3 4.3 4.0 3.0 3.7 3.7 3.7 3.9 A05-999 6.0 8.0 3.0 5.3 3.3 3.7 4.7 3.0 3.7 3.7 3.7 3.9 BARON 7.3 7.0 5.0 4.7 4.0 4.0 4.3 3.3 3.7 3.3 3.7 3.9 EMPIRE 8.0 8.3 3.7 5.0 4.3 3.7 4.3 3.0 3.7 3.7 3.7 3.9 SHAMROCK 6.7 6.7 5.0 4.7 4.7 3.7 4.3 3.0 3.3 3.3 4.0 3.9 BAR VV 118532 6.7 6.0 4.7 5.0 4.3 4.0 4.0 2.7 3.3 3.3 3.7 3.8 PST-T10-18 6.3 8.3 4.0 4.3 3.7 3.3 4.3 3.0 3.7 4.0 4.0 3.8 A04-36 6.7 7.3 4.7 4.3 4.3 3.7 4.3 3.3 3.0 3.0 3.7 3.7 A00-4199 6.0 8.7 3.7 4.7 3.7 3.3 4.0 2.7 3.0 3.3 3.3 3.5 BAR VV 112916 4.3 8.7 4.0 4.3 3.7 2.3 3.3 3.3 3.3 3.7 4.0 3.5 BLACKJACK 6.3 7.0 5.0 4.7 3.7 2.7 4.0 2.7 3.7 3.3 3.7 3.5 PICK MP07 7.0 7.7 3.7 3.7 3.3 3.3 4.3 3.0 3.3 3.3 3.3 3.5 BARDUKE 6.3 7.0 3.7 4.0 3.7 3.3 3.7 2.7 3.0 3.3 3.7 3.4 BAR PP 119327 5.3 6.7 4.7 5.0 5.0 3.3 3.7 2.3 2.3 2.3 2.7 3.3 KENBLUE 4.7 9.0 3.0 4.3 3.0 2.3 3.7 2.7 3.0 3.3 3.7 3.3 RAD-507 7.0 7.3 5.7 4.3 4.3 4.3 3.7 2.3 2.3 2.3 2.3 3.3 BAR PP 119326 4.0 7.7 3.7 4.3 3.3 3.3 3.0 2.0 2.7 3.3 3.3 3.2 PPH 9131 4.0 7.7 4.0 4.0 4.0 2.3 3.3 2.0 2.7 3.0 3.0 3.0 THERMAL BLUE 4.7 8.0 3.7 4.0 3.3 2.3 3.3 2.3 2.7 3.0 3.3 3.0 LSD VALUE 1.2 0.7 0.7 0.8 0.9 1.2 1.0 1.1 1.3 1.4 1.5 0.8 C.V. (%) 10.7 6.3 10.3 9.5 12.0 17.0 12.9 18.0 18.0 18.7 18.1 11.1 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 A. 2013 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 MD1 SILT LOAM AND SILT 6.1-6.5 61-150 151-240 1.1-2.0 FULL SUN 2.6-3.0 ONLY DURING SEVERE STRESS