TABLE 9C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 80% OF ET IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GREEN COVER DURING PRE-DROUGHT PERCENT GREEN COVER DURING DROUGHT PERIOD NAME 4/24 5/28 6/10 6/17 6/24 7/1 7/8 7/15 7/22 7/29 SR 4650 PR 62.3 91.3 90.0 94.3 90.3 88.7 87.3 87.3 91.7 94.0 HELIOS PR 60.7 91.0 90.7 94.0 91.3 89.7 88.0 86.3 90.7 92.0 LSD VALUE 16.3 1.3 0.6 1.3 3.0 14.4 17.9 14.9 16.1 16.7 C.V. (%) 1.8 0.9 2.0 1.6 3.4 4.1 5.8 6.4 3.6 3.0 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 9C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 80% OF ET (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GREEN COVER DURING DROUGHT PERIOD PERCENT GREEN COVER DURING RECOVERY NAME 8/5 8/12 8/19 8/26 9/3 9/10 9/16 10/4 10/9 10/17 SR 4650 PR 95.0 94.3 95.0 96.7 97.0 97.7 98.0 98.3 98.0 98.0 HELIOS PR 93.3 92.7 94.0 96.0 96.7 97.7 97.3 98.0 97.0 98.0 LSD VALUE 12.9 13.1 11.6 8.2 7.2 5.9 5.2 3.6 4.2 4.2 C.V. (%) 3.0 3.1 2.2 1.1 0.8 0.7 0.4 0.4 0.7 0.7 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 9C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 80% OF ET (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING PRE-DROUGHT QUALITY RATINGS DURING DROUGHT NAME 4/24 5/28 6/10 6/13 6/21 6/26 7/1 7/8 7/15 7/22 7/29 SR 4650 PR 4.0 3.7 3.3 4.0 4.0 4.0 4.3 3.7 4.3 4.7 4.7 HELIOS PR 4.0 3.7 3.3 4.3 4.0 4.0 4.0 4.0 4.3 4.7 4.0 LSD VALUE 2.1 2.5 2.6 2.2 0.9 1.5 1.3 2.0 1.3 1.5 1.1 C.V. (%) 0.0 0.0 0.0 9.8 0.0 0.0 9.8 10.6 0.0 0.0 9.4 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 9C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 80% OF ET (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT ST. PAUL, MN 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING DROUGHT PERIOD QUALITY RATINGS DURING RECOVERY NAME 8/5 8/12 8/19 8/26 9/3 9/10 9/16 10/3 10/9 10/17 MEAN SR 4650 PR 4.3 5.0 5.0 4.7 6.0 5.3 5.7 6.7 5.7 5.3 4.7 HELIOS PR 4.7 4.7 4.7 4.3 5.7 5.0 5.7 6.3 5.3 5.7 4.6 LSD VALUE 2.2 2.3 0.9 1.4 1.1 1.2 1.1 1.7 1.3 1.0 0.8 C.V. (%) 9.1 8.4 8.4 18.1 7.0 7.9 0.0 6.3 7.4 7.4 4.4 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.