TABLE 5C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT WEST LAFAYETTE, IN 1/ 2024 DATA TOTAL WATER APPLIED WITH MM 2/ RECOVERY QUALITY RATINGS DURING PRE-DROUGHT QUALITY DURING DROUGHT PERIOD QUALITY NAME 4/21 5/16 5/29 6/7 6/15 6/21 7/2 7/18 8/2 8/16 8/30 9/15 MEAN SR 4650 PR 5.7 5.7 6.7 7.0 5.3 5.0 4.7 5.3 5.3 5.0 5.0 4.7 5.5 HELIOS PR 5.7 5.0 6.0 6.7 6.0 5.0 4.7 5.3 5.0 5.3 5.3 4.3 5.4 LSD VALUE 0.9 1.5 0.9 0.9 0.6 0.6 1.4 0.6 1.3 0.8 0.7 0.6 0.5 C.V. (%) 0.0 7.7 6.4 6.0 7.2 24.5 15.2 0.0 7.9 7.9 7.9 9.1 1.0 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 5C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT WEST LAFAYETTE, IN 1/ 2024 DATA TOTAL WATER APPLIED WITH MM 2/ PERCENT GREEN COVER DURING PRE-DROUGHT PERCENT GREEN COVER DURING DROUGHT NAME 4/21 5/16 5/20 5/29 5/31 6/4 6/7 6/10 SR 4650 PR 92.3 77.0 77.3 87.7 92.0 95.3 96.7 94.3 HELIOS PR 92.3 77.3 77.7 88.0 89.7 93.0 92.0 92.0 LSD VALUE 3.1 7.6 4.3 3.4 7.0 6.7 8.8 15.5 C.V. (%) 2.3 4.6 5.3 4.1 1.6 0.4 2.4 1.6 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 5C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT WEST LAFAYETTE, IN 1/ 2024 DATA TOTAL WATER APPLIED WITH MM 2/ PERCENT GREEN COVER DURING DROUGHT NAME 6/13 6/16 6/18 6/21 6/24 6/26 6/28 7/1 7/3 7/5 SR 4650 PR 93.0 76.7 82.3 78.7 73.0 82.7 77.7 78.7 74.0 80.7 HELIOS PR 90.0 71.7 81.7 74.3 72.3 80.7 71.0 76.3 73.0 78.7 LSD VALUE 11.9 8.9 6.2 7.3 13.4 7.2 6.8 17.5 19.0 13.8 C.V. (%) 2.3 17.5 6.5 12.1 4.8 5.4 11.6 4.1 11.8 3.6 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 5C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT WEST LAFAYETTE, IN 1/ 2024 DATA TOTAL WATER APPLIED WITH MM 2/ PERCENT GREEN COVER DURING DROUGHT NAME 7/8 7/11 7/15 7/17 7/19 7/22 7/24 7/26 7/29 7/31 8/2 8/5 8/7 8/9 8/12 SR 4650 PR 68.7 79.0 70.0 72.3 78.3 85.7 87.0 86.0 85.0 81.0 87.0 80.7 81.0 78.7 67.3 HELIOS PR 77.0 82.0 65.3 72.7 75.7 83.0 83.7 82.0 84.3 79.7 83.3 81.0 74.7 73.3 71.0 LSD VALUE 17.8 20.5 32.7 22.9 27.6 16.9 16.3 26.3 11.1 10.9 9.4 19.0 16.1 14.6 28.1 C.V. (%) 3.4 1.5 4.4 2.0 5.9 2.9 1.3 4.2 2.9 2.7 1.9 3.5 6.9 5.5 6.6 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 5C. PERCENT GREEN COVER AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT WEST LAFAYETTE, IN 1/ 2024 DATA TOTAL WATER APPLIED WITH MM 2/ % COVER TOTAL PERCENT GREEN COVER DURING DROUGHT RECOVERY WATER NAME 8/14 8/16 8/19 8/22 8/26 8/28 8/30 9/2 9/5 9/15 APPLIED (mm) SR 4650 PR 69.7 75.3 66.0 71.7 71.7 74.0 75.3 73.7 65.7 85.3 186.3 HELIOS PR 72.3 79.3 74.3 77.0 70.3 71.3 74.7 71.0 63.0 75.0 203.3 LSD VALUE 18.0 15.2 22.5 18.5 24.3 20.3 17.6 11.3 14.1 16.7 67.7 C.V. (%) 5.5 3.2 30.7 12.4 5.1 6.5 3.0 6.7 6.4 2.7 5.3 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.