TABLE 13. PERCENT LIVING GROUND COVER (SUMMER) RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1987 DATA PERCENT LIVING GROUND COVER IN SUMMER 1/ NAME IN1 NM1 MEAN PSU-333 96.3 92.3 94.3 PST-250 (COMPETITOR) 97.7 89.7 93.7 ACROBAT 96.3 91.0 93.7 SR 4000 97.7 89.3 93.5 PENNANT 97.7 89.0 93.3 PALMER 97.7 88.7 93.2 PICK 600 (FIESTA II) 96.3 90.0 93.2 CITATION II 96.3 89.0 92.7 NK 80389 96.3 89.0 92.7 PST-2PM 99.0 86.0 92.5 RUNAWAY 95.0 90.0 92.5 SR 4100 96.3 88.7 92.5 YORKTOWN II 95.0 90.0 92.5 DEL 946 96.3 88.0 92.2 PICK 233 (DASHER II) 99.0 85.0 92.0 PST-2H7 99.0 85.0 92.0 RANGER 96.0 88.0 92.0 REPELL 95.0 88.7 91.8 PST-M2E 96.3 87.3 91.8 PST-259 (COMMANDER) 97.7 85.7 91.7 BIRDIE II 96.3 87.0 91.7 RIVAL 96.3 86.7 91.5 BRENDA 90.0 92.7 91.3 MANHATTAN II 96.3 86.3 91.3 MOM LP 763 96.3 86.3 91.3 CALIENTE 97.7 84.3 91.0 MANHATTAN 93.0 88.7 90.8 PAVO 90.0 91.3 90.7 PSU-222 93.3 88.0 90.7 PICK 715 96.0 85.0 90.5 246 96.0 84.7 90.3 GATOR 95.0 85.7 90.3 DERBY 94.3 86.3 90.3 OMEGA II 91.7 88.3 90.0 PRELUDE 96.0 84.0 90.0 SR 4031 95.0 84.3 89.7 BELLE 91.7 87.3 89.5 PST-2DD 94.7 84.0 89.3 ALLAIRE 91.3 87.3 89.3 VINTAGE-2DF 96.3 82.3 89.3 PATRIOT 91.7 86.7 89.2 BAR LP 410 94.7 83.3 89.0 ISI-851 (LINDSAY) 96.3 81.7 89.0 SHERIFF 97.7 80.0 88.8 REGAL 93.3 84.3 88.8 DELRAY 99.0 78.3 88.7 BARRY 90.0 87.0 88.5 RODEO 93.0 83.7 88.3 COWBOY 96.3 80.0 88.2 PICK 647 95.0 81.0 88.0 TABLE 13. PERCENT LIVING GROUND COVER (SUMMER) (CONT'D) RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1987 DATA PERCENT LIVING GROUND COVER IN SUMMER NAME IN1 NM1 MEAN DIPLOMAT 90.0 85.0 87.5 ISI-K2 (DILLON) 86.7 88.3 87.5 BAR LP 454 94.7 80.0 87.3 KWS-AL-2 (AQUARIUS) 96.3 78.3 87.3 OVATION 90.0 84.3 87.2 PST-2HH 95.0 79.3 87.2 GOALIE 96.3 77.7 87.0 RONJA 93.0 81.0 87.0 TARA 99.0 74.3 86.7 PENNFINE 93.3 79.3 86.3 PICK 300 (BLAZER II) 91.7 79.3 85.5 J207 81.7 87.7 84.7 J208 80.0 81.7 80.8 REGENCY 93.3 62.0 77.7 LINN 71.7 81.7 76.7 LSD VALUE 6.9 12.7 7.2 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 CORRES- PONDING LSD VALUE (LSD 0.05).