TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2004 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2008 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GENETIC SPRING LEAF WINTER QUALITY RATINGS NAME COLOR GREENUP TEXTURE KILL APR MAY JUN JUL AUG SEP OCT MEAN NOTABLE (AF) 6.7 8.0 7.3 25.7 4.3 5.3 6.0 5.3 6.0 6.3 6.0 5.6 SOPRANO (DP1) 7.3 8.0 6.7 29.3 4.0 5.0 6.0 5.7 5.7 6.3 6.0 5.5 DERBY XTREME (IS-PR 268) 6.3 7.7 6.0 33.3 3.7 5.0 6.0 5.0 5.3 6.7 5.7 5.3 PST-2AG4 6.3 7.3 6.0 25.7 4.7 5.3 5.3 4.3 5.3 6.0 6.0 5.3 PALMER V (RNS) 7.0 8.0 7.0 41.0 3.7 4.7 5.7 5.0 6.0 6.0 6.0 5.3 ALLSTAR 3 (IS-PR 274) 6.7 7.7 6.7 37.0 3.3 4.3 5.7 5.0 5.7 6.3 6.3 5.2 LS 2300 (APR 1670) 6.3 7.7 6.0 29.3 4.7 4.7 5.3 5.0 5.0 6.0 5.0 5.1 DP 17-9788 5.7 7.3 6.7 29.3 3.7 5.0 6.3 5.0 5.0 5.3 5.3 5.1 APR 1648 7.3 7.3 6.7 37.3 3.7 4.3 5.3 4.7 5.7 5.7 5.3 5.0 DEFENDER (D04-UP) 6.0 7.3 5.7 33.3 3.7 4.3 5.0 4.7 5.3 6.0 6.0 5.0 EXACTA II GLSR (LTP-611-GLSR) 6.0 8.0 6.7 37.0 3.3 4.0 5.3 4.3 5.3 6.3 6.3 5.0 FIJI (GPR) 7.3 8.0 5.7 33.3 4.0 4.7 5.0 4.3 5.0 6.0 5.7 5.0 MAJESTY II (VB77) 7.0 8.0 6.7 29.7 4.0 4.7 5.3 4.3 5.0 6.0 5.7 5.0 MANHATTAN 5 GLR (PST-2AM) 6.3 7.3 6.7 37.0 3.7 4.7 5.7 4.3 5.0 6.0 5.3 5.0 PARAGON GLR 6.7 7.7 6.3 40.7 3.7 3.7 5.7 4.7 5.3 6.0 6.0 5.0 PLATEAU (PST-2LAN) 7.0 7.3 6.0 41.0 4.0 4.3 5.7 5.0 5.0 5.7 5.7 5.0 AMAZING GS (IS-PR 276) 6.7 7.7 6.7 48.3 3.0 4.0 5.0 4.7 5.7 6.3 5.7 4.9 APPLE GL (AAZ-B104) 6.7 7.7 6.3 40.7 3.3 4.0 4.7 4.7 5.3 6.3 6.0 4.9 BRIGHTSTAR SLT 6.3 7.0 6.7 41.0 3.7 4.3 5.3 5.0 5.0 5.7 5.0 4.9 MMW 6.3 8.0 6.0 41.0 3.3 4.0 5.0 4.7 5.0 6.0 6.0 4.9 MONTEREY 3 (JR-408) 8.3 7.7 7.3 40.7 3.3 4.3 5.7 5.0 5.0 5.3 5.3 4.9 PALMER IV 6.3 8.0 6.3 44.7 3.7 4.3 5.0 4.7 5.3 5.7 5.3 4.9 SR 4600 (SRX 4SP) 6.7 7.3 6.3 41.0 3.3 4.0 5.0 4.7 5.3 6.3 5.7 4.9 TRANSFORMER (D04-1667) 6.0 7.3 6.3 48.3 3.3 4.7 5.3 5.0 5.0 6.0 5.0 4.9 UNO (D04-11T) 7.0 7.3 6.3 45.0 3.3 4.3 5.0 4.7 5.3 6.0 5.7 4.9 ATTRIBUTE (IS-PR 270) 6.7 7.7 6.7 40.7 3.7 4.3 5.0 4.0 5.3 5.7 5.3 4.8 BAR LP 4920 6.3 7.3 7.0 33.0 3.7 4.3 5.0 5.0 4.7 5.7 5.3 4.8 GRAND SLAM 2 (PST-2GSM) 6.3 7.0 5.7 37.0 3.3 4.7 5.3 4.7 5.0 5.7 5.0 4.8 LINE DRIVE GLS (APR 1797) 6.0 7.3 5.7 41.0 3.3 4.0 5.0 5.0 5.3 5.3 5.7 4.8 REGAL 5 (IS-PR 271) 6.7 7.3 6.3 44.7 3.7 4.3 4.7 4.3 5.0 5.7 5.7 4.8 BAR LP 4317 6.3 6.7 6.3 48.3 2.7 4.3 5.3 4.7 5.0 5.3 5.7 4.7 KEYSTONE 2 (IS-PR 312) 6.7 7.3 6.7 44.7 3.0 4.0 5.0 4.7 5.0 6.0 5.3 4.7 NEXUS XR (SNR) 7.3 8.0 6.0 37.0 3.3 4.0 5.0 3.7 5.0 6.3 5.7 4.7 PANTHER GLS 5.7 8.0 5.7 37.0 3.3 4.3 5.0 4.7 5.0 5.3 5.0 4.7 PHENOM (APR 1660) 6.0 7.3 6.3 44.7 3.7 4.0 4.3 5.0 4.7 5.7 5.7 4.7 REPELL GLS 6.3 7.0 5.3 37.0 3.3 4.0 5.0 4.7 4.7 5.7 5.7 4.7 RINGER II (04-BEN) 6.3 6.7 6.7 41.0 3.7 4.3 5.0 4.7 5.0 5.3 5.0 4.7 SECRETARIAT II GLSR (LTP-101-GLSR) 6.3 7.3 6.7 52.0 3.3 4.0 4.7 4.3 5.3 5.3 5.7 4.7 TR47 7.3 7.3 5.7 44.7 3.7 4.0 5.0 4.0 5.0 6.0 5.3 4.7 ASP6004 (EXS54) 7.7 8.0 7.0 41.0 3.3 4.0 5.0 4.7 5.0 5.0 5.0 4.6 BREA (04-BRE) 6.3 7.3 6.0 40.7 3.3 4.3 4.7 4.0 4.7 6.0 5.3 4.6 CABO II (IS-PR 233) 7.0 7.7 6.0 37.0 3.3 3.7 4.7 4.0 5.0 6.0 5.3 4.6 CHARISMATIC II GLSR (LTP-PG-GLSR) 6.3 7.3 6.3 33.3 3.7 4.0 5.0 4.3 4.7 5.7 5.0 4.6 PROTOTYPE (DCM) 6.0 8.0 6.3 41.0 3.3 4.3 5.3 4.3 4.7 5.7 4.7 4.6 GOALKEEPER II (JR-114) 7.0 7.7 7.0 37.0 3.7 4.3 5.3 4.7 4.3 5.0 5.0 4.6 GRAY STAR (PST-2LGL) 6.7 7.3 5.7 41.0 3.0 4.0 5.3 4.7 4.7 5.0 5.3 4.6 NEXUS XD (SP4) 8.0 7.3 5.7 44.7 3.3 4.0 5.0 4.3 5.0 5.3 5.3 4.6 TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2004 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2008 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GENETIC SPRING LEAF WINTER QUALITY RATINGS NAME COLOR GREENUP TEXTURE KILL APR MAY JUN JUL AUG SEP OCT MEAN PINNACLE II 6.3 7.3 7.0 37.0 3.7 4.3 4.7 4.7 4.7 5.3 5.0 4.6 REVENGE GLX (JR-348) 6.0 7.3 6.7 37.0 3.7 4.3 4.7 4.0 5.0 5.3 5.3 4.6 ACCENT II (JR-119) 6.7 7.3 6.0 44.7 3.3 4.0 5.0 4.3 4.7 5.3 5.0 4.5 ASP6006 (LPFG) 7.3 7.7 6.3 40.7 3.7 4.0 4.7 3.7 4.7 5.7 5.3 4.5 BUENA VISTA 6.0 8.0 6.0 44.7 3.0 4.0 5.0 4.3 4.7 5.3 5.3 4.5 CITATION FORE 6.3 7.0 6.0 55.7 3.3 4.0 5.0 4.3 4.7 5.0 5.3 4.5 EDGE II (AC2) 7.3 7.7 6.3 48.7 3.0 4.0 4.7 4.0 5.0 5.7 5.3 4.5 ES45 6.3 8.7 5.0 33.0 4.0 3.7 5.0 3.7 4.7 5.3 5.3 4.5 PALMER GLS (GL-2) 6.0 7.0 6.3 59.7 3.0 3.7 4.7 4.3 5.0 5.7 5.0 4.5 HARRIER (SRX 4UP3) 6.0 7.3 6.3 48.3 3.0 4.0 4.7 4.3 5.0 5.3 5.3 4.5 LPR 02203 4.3 6.7 5.7 44.7 3.0 4.3 5.3 4.7 4.3 4.7 5.0 4.5 MACH I 6.7 7.0 6.7 33.0 4.0 4.0 5.3 4.0 4.7 4.7 5.0 4.5 PENTIUM 5.3 7.0 6.3 37.0 3.7 4.7 5.0 4.0 4.3 5.0 5.0 4.5 PRESIDIO (CNV) 5.7 7.3 5.7 29.7 4.0 4.3 5.0 4.3 4.3 5.0 4.7 4.5 QUICKSILVER 6.3 7.7 5.7 48.7 2.7 4.0 5.0 4.0 5.0 5.7 5.0 4.5 SILVER DOLLAR 6.3 7.3 5.7 37.0 4.0 3.3 5.0 3.7 4.7 5.7 5.3 4.5 STELLAR GL (IS-PR 236) 6.3 7.7 6.3 48.3 3.3 3.7 4.7 4.3 5.0 5.3 5.0 4.5 WIND DANCE 2 (PWDR) 7.0 7.3 5.7 44.7 3.0 4.0 5.0 4.3 4.7 5.3 5.3 4.5 ZOOM (LCK) 6.3 7.7 6.7 44.7 3.3 4.0 4.7 4.0 5.0 5.3 5.0 4.5 1G SQUARED (APR 1664) 6.3 7.3 5.7 44.7 3.0 4.0 4.7 4.3 4.7 5.0 5.0 4.4 ASP6001 (RTS) 6.7 7.0 6.3 41.0 3.3 4.0 5.0 4.0 4.7 5.0 5.0 4.4 DART (APR 1663) 6.0 7.7 6.3 56.0 3.0 4.3 4.7 4.7 4.3 4.7 5.3 4.4 FUSION 6.0 7.0 5.7 44.7 2.7 4.3 4.7 4.3 4.3 5.3 5.3 4.4 KOKOMO II (IS-PR 235) 6.3 7.7 6.0 52.0 3.3 3.7 4.3 3.7 4.7 5.7 5.3 4.4 PALACE (IS-PR 273) 6.3 7.7 5.7 33.3 3.7 4.0 4.3 3.7 4.3 5.7 5.0 4.4 PIZZAZZ 6.0 7.3 6.0 41.0 3.3 4.3 4.7 4.0 4.7 4.7 5.0 4.4 PROTEGE GLR 6.3 7.3 5.7 44.7 3.3 3.7 4.7 4.0 4.7 5.3 5.3 4.4 TOP GUN II (JR-324) 6.7 7.0 6.0 41.0 3.0 4.0 5.0 4.0 4.3 5.7 5.0 4.4 D04-LP05 5.3 7.0 6.3 48.7 3.0 3.3 4.3 4.3 4.7 5.3 5.0 4.3 E-99 5.7 7.0 6.0 45.0 3.0 3.3 4.7 4.0 4.3 5.3 5.3 4.3 GRAY FOX (PST-2MNG) 5.3 7.0 5.7 48.7 3.0 4.3 4.7 4.0 4.7 4.7 4.7 4.3 INSPIRE 5.3 6.7 6.0 48.7 3.3 4.0 4.7 4.0 4.3 5.0 4.7 4.3 PRIMARY (IS-PR 269) 6.0 6.7 6.7 52.3 3.0 3.7 4.3 4.0 4.7 5.3 5.0 4.3 PST-217 6.0 7.3 6.3 40.7 3.0 4.0 4.7 4.0 5.0 4.7 5.0 4.3 SRX 4682 5.3 6.7 5.7 44.7 3.0 4.0 5.0 4.7 4.0 4.7 5.0 4.3 VB99 7.0 7.0 6.0 52.0 3.0 3.3 4.3 4.0 4.7 5.7 5.3 4.3 ASP6002 (BPR) 6.3 7.3 6.3 48.3 3.3 3.7 5.0 3.7 3.7 5.3 5.0 4.2 ASP6003 (TRS) 6.0 8.0 6.0 40.7 3.3 3.7 4.7 3.7 4.3 5.0 5.0 4.2 BARLENNIUM 6.3 6.7 6.3 56.0 2.7 3.0 4.3 4.7 4.7 5.7 4.7 4.2 CUTTER II (PM 101) 7.0 7.7 6.0 41.0 3.0 3.7 4.3 4.0 4.7 5.3 4.7 4.2 DASHER 3 (PICK RB-1) 6.0 7.3 6.0 55.7 2.3 3.3 4.3 3.7 4.7 6.0 5.3 4.2 HALO (KN42) 7.0 7.0 5.7 44.7 3.3 3.3 4.7 3.7 4.3 5.3 4.7 4.2 OVERDRIVE 6.7 7.0 6.0 56.0 2.7 3.7 4.3 3.7 4.3 5.3 5.3 4.2 PREMIER II 5.3 6.7 5.3 44.7 3.0 4.0 4.7 4.3 4.3 4.7 4.7 4.2 PST-2BLK 5.3 8.0 5.3 33.3 3.7 4.0 4.7 3.0 4.3 4.7 5.3 4.2 CADDIESHACK II (JR-163) 6.7 6.3 6.7 56.0 2.3 3.3 4.7 4.0 4.7 5.3 4.7 4.1 FIESTA 4 (PICK F4) 6.7 7.7 6.0 59.7 2.7 3.7 4.3 3.7 4.3 5.3 5.0 4.1 TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2004 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2008 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GENETIC SPRING LEAF WINTER QUALITY RATINGS NAME COLOR GREENUP TEXTURE KILL APR MAY JUN JUL AUG SEP OCT MEAN HEADSTART 2 6.7 7.7 6.7 41.0 3.3 3.3 4.3 3.7 4.0 5.3 5.0 4.1 PM 102 7.7 7.7 5.3 44.7 3.0 4.0 4.7 4.0 4.3 4.3 4.3 4.1 AFFINITY 3.7 7.3 5.3 44.7 3.0 4.0 4.7 4.0 4.0 4.0 4.0 4.0 BACCARAT (RAD-PR8) 7.0 7.7 6.0 48.3 2.7 3.0 4.3 3.7 4.3 5.0 5.0 4.0 CALYPSO 3 (MS2) 7.0 7.3 4.3 48.7 3.0 4.0 4.3 3.3 3.7 5.0 4.7 4.0 DELAWARE XL (PICK 01-2) 6.3 7.0 6.0 52.0 3.3 3.3 4.3 3.7 4.3 4.7 4.7 4.0 FOREVER (DP 17-9499) 6.0 7.0 6.3 48.7 2.7 3.7 4.3 4.0 4.3 4.7 4.7 4.0 GALATTI (DP 17-9502) 5.3 7.3 4.3 52.3 2.7 3.7 4.3 3.7 4.0 5.0 4.3 4.0 HOMERUN (RG3P) 7.0 7.7 6.0 52.0 2.7 3.3 4.3 4.0 4.3 5.3 4.3 4.0 LA QUINTA (JR-255) 6.3 7.3 5.7 44.7 2.7 3.7 4.3 3.7 4.0 5.0 5.0 4.0 PANTHER 4.7 6.3 6.0 56.0 2.3 3.7 4.0 3.7 4.0 5.0 5.0 4.0 PLEASURE SUPREME (PM 103) 6.0 7.0 5.7 48.3 2.7 3.3 4.0 3.7 4.3 5.3 5.0 4.0 WAYFARER (L44) 6.7 7.3 6.0 48.7 2.7 3.7 4.3 3.3 4.0 5.0 5.0 4.0 ASP6005 (AJM) 7.0 7.7 5.7 52.3 2.7 4.0 4.0 3.0 3.7 5.3 4.3 3.9 HAWKEYE 2 (SRX 4692) 5.7 6.7 5.0 52.3 3.0 3.0 4.3 4.0 3.3 4.7 4.7 3.9 FIREBOLT (PRG HS-01-09) 6.7 7.3 6.7 52.3 2.7 3.3 4.0 3.3 4.3 4.3 4.7 3.8 PALMER III 6.0 7.0 7.3 48.7 3.0 3.3 4.0 3.3 3.7 4.7 4.3 3.8 PACESETTER II (PS-2) 5.3 6.3 6.3 52.0 2.7 3.3 4.0 3.3 4.0 4.3 5.0 3.8 PINNACLE 3.7 6.3 5.3 56.0 2.0 3.3 4.3 3.3 3.7 4.3 4.0 3.6 SUNSHINE 2 6.7 7.3 7.0 52.0 2.7 3.0 4.0 3.0 4.0 4.0 4.3 3.6 BAR LP 4420 6.3 7.3 5.3 59.3 2.0 2.0 3.3 4.0 3.7 4.7 4.7 3.5 PREMIER 4.0 6.0 4.7 56.0 2.0 3.3 4.0 3.7 3.3 4.0 4.0 3.5 PICK 02-R 7.3 7.7 6.3 63.0 2.3 2.3 3.3 2.7 3.3 4.7 4.7 3.3 PIANIST (DP 17-9505) 6.0 6.7 5.7 56.0 2.0 2.3 3.3 3.0 3.7 4.0 4.0 3.2 LINN 1.3 5.3 2.0 67.0 1.3 3.0 3.3 2.3 3.7 3.3 4.0 3.0 LSD VALUE 1.3 1.5 1.6 40.1 2.3 2.4 1.9 1.6 1.1 1.1 1.3 1.0 C.V. (%) 12.6 8.8 13.2 28.5 25.0 21.0 15.9 17.7 12.8 11.8 12.0 12.1 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. 2008 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2004 NATIONAL PERENNIAL RYEGRASS 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 IA1 LOAM 7.1-7.5 0-60 0-150 3.1-4.0 FULL SUN 2.6-3.0 TO PREVENT DORMANCY