TABLE 9. GRAY LEAF SPOT RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK (GRAY LEAF SPOT STUDY), MD 1/ 2002 DATA GRAY LEAF SPOT RATINGS 1-9; 9=NO DISEASE 2/ GRAY NAME LEAF SPOT PST-2RT 7.7 PST-2JH 7.3 CRUSIER (UT-1000) 7.3 APR 1232 7.0 ICON (MB 414) 7.0 STELLAR (CIS-PR-72) 7.0 AFFIRMED 6.7 APR 1234 6.7 APR 1235 6.7 SR 4350 (APR 1237) 6.7 ASCEND 6.7 CABO (CIS-PR-80) 6.7 CHARGER II 6.7 COURAGE (MB 410) 6.7 DIVINE 6.7 LINE DRIVE 6.7 PICK EX2 6.7 PIZZAZZ 6.7 PST-2LA 6.7 RACER II (PICK RC2) 6.7 YATSUGREEN 6.7 ABT-99-4.600 6.3 ALL STAR2 (CIS-PR-78) 6.3 CALYPSO II 6.3 IQ (CIS-PR-75) 6.3 ARRIVAL (CIS-PR-84) 6.3 DP 17-9391 6.3 FIESTA 3 6.3 KOKOMO (CIS-PR-69) 6.3 MAJESTY 6.3 PARADIGM (APR 1236) 6.3 PENTIUM (NJ-6401) 6.3 PICK PR 1-94 6.3 PINNACLE II (BAR 9 B2) 6.3 PLEASURE XL 6.3 PST-2M4 6.3 PST-2SBE 6.3 RACER 6.3 SR 4220 (SRX 4801) 6.3 ABT-99-4.115 6.0 ABT-99-4.965 6.0 RENAISSANCE (APR 1233) 6.0 BARLENNIUM 6.0 BLAZER IV (PICK MDR) 6.0 BRIGHTSTAR II 6.0 CAS-LP84 6.0 CATALINA II (PST-CATS) 6.0 TABLE 9. GRAY LEAF SPOT RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK (GRAY LEAF SPOT STUDY), MD 1/ 2002 DATA GRAY LEAF SPOT RATINGS 1-9; 9=NO DISEASE 2/ GRAY NAME LEAF SPOT CITATION FORE (PST-2BR) 6.0 DLF-LDD 6.0 EDGE 6.0 ELFKIN 6.0 INSPIRE (R8000) 6.0 JR-128 6.0 LPR 98-143 6.0 PICK PR B-97 6.0 PREMIER 6.0 PREMIER II 6.0 SR 4500 6.0 WVPB-R-84 6.0 ABT-99-4.464 5.7 ABT-99-4.560 5.7 ABT-99-4.724 5.7 ABT-99-4.815 5.7 ABT-99-4.834 5.7 ADMIRE (JR-151) 5.7 AFFINITY 5.7 AMAZING (B1) 5.7 APPLAUD (PENNINGTON-11301) 5.7 APR 776 5.7 BRIGHTSTAR SLT (PST-2A6B) 5.7 DP 17-9496 5.7 EPD 5.7 GALLERY (MB 412) 5.7 GRAND SLAM 2L96 (PST-2L96) 5.7 KOOS R-71 5.7 MACH 1 (ROBERTS-627) 5.7 MANHATTAN 3 5.7 MP88 5.7 NEXUS 5.7 PACESETTER (6011) 5.7 PHANTOM 5.7 PICK PRNGS 5.7 SALINAS (PST-2SLX) 5.7 SECRETARIAT 5.7 SRX 4120 5.7 TERRADYNE (A5C) 5.7 WILMINGTON 5.7 ABT-99-4.339 5.3 ABT-99-4.625 5.3 ABT-99-4.721 5.3 BUCCANEER 5.3 CATHEDRAL II 5.3 CHARISMATIC (LTP 98-501) 5.3 EXACTA 5.3 TABLE 9. GRAY LEAF SPOT RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK (GRAY LEAF SPOT STUDY), MD 1/ 2002 DATA GRAY LEAF SPOT RATINGS 1-9; 9=NO DISEASE 2/ GRAY NAME LEAF SPOT GATOR 3 (CIS-PR-85) 5.3 MANHATTAN 4 (PST-2CRL) 5.3 MONTEREY II (JR-187) 5.3 MP107 5.3 PARAGON 5.3 PENNANT II 5.3 PICK PR QH-97 5.3 PROWLER (APR 777) 5.3 PST-2CRR 5.3 RADIANT 5.3 SKYHAWK 5.3 SR 4420 (SRX 4820) 5.3 SUMMERSET (MB 413) 5.3 APR 1231 5.0 DP LP-1 5.0 EXTREME (JR-317) 5.0 JET 5.0 LPR 98-144 5.0 MEPY 5.0 PALMER III 5.0 PROSPORT (AG-P981) 5.0 SEVILLE II 5.0 SPLENDID (MB 411) 5.0 ALLSPORT 4.7 HAWKEYE (SRX 4RHT) 4.7 MDP 4.7 PROMISE 4.7 WVPB-R-82 4.7 BY-100 4.3 CATALINA 4.3 CHURCHILL 4.3 DP 17-9069 4.3 HEADSTART 4.3 MP103 4.3 LINN 4.0 PASSPORT 4.0 SUPERSTAR (EP57) 4.0 EP53 3.7 LTP-ME 3.7 PANTHER 3.0 LSD VALUE 1.6 C.V. (%) 15.2 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. 2002 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 1999 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 MD2 SILT LOAM AND SILT 5.6-6.0 61-150 241-375 2.1-3.0 FULL SUN 2.1-2.5 TO PREVENT STRESS