TABLE 9A. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 50% OF ETo IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GREEN COVER RATINGS DURING THE DROUGHT PERIOD (JULY-SEPTEMBER) AND RECOVERY PERIOD (SEPTEMBER-OCTOBER) NAME 7/7 7/10 7/14 7/24 7/31 8/6 8/14 8/21 8/28 9/5 9/11 9/18 9/25 10/2 10/19 HELIOS PR 93.0 90.0 89.3 88.0 85.3 88.3 95.0 93.0 91.7 83.0 88.3 91.3 91.7 91.0 93.0 SR 4650 PR 90.7 86.0 85.3 84.7 80.3 85.7 93.7 92.3 89.7 78.0 84.3 89.3 90.7 90.0 92.7 LSD VALUE 1.4 1.1 0.9 1.8 1.0 1.7 1.4 1.0 0.8 1.3 1.0 0.7 1.5 0.9 0.0 C.V. (%) 2.9 2.8 4.3 4.8 5.2 3.8 1.7 0.9 2.1 4.4 3.0 1.6 1.6 1.6 1.8 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 9A. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 50% OF ETo (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING THE DROUGHT PERIOD (JULY-SEPTEMBER) AND RECOVERY PERIOD (SEPTEMBER-OCTOBER) NAME 7/17 7/26 7/31 8/7 8/14 8/21 8/29 9/5 9/11 9/18 9/25 10/2 10/17 MEAN HELIOS PR 5.3 5.0 5.7 5.0 5.0 5.0 5.0 4.0 4.7 4.7 5.0 5.0 5.0 4.9 SR 4650 PR 4.7 4.3 5.0 4.3 5.0 5.0 5.0 3.7 4.0 4.7 4.7 4.7 4.7 4.6 LSD VALUE 1.5 1.7 1.0 1.3 1.3 1.3 1.2 1.3 1.9 2.0 1.9 1.8 2.1 1.3 C.V. (%) 16.3 8.7 7.7 17.5 0.0 0.0 0.0 10.6 9.4 15.2 8.4 8.4 8.4 6.9 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.