TABLE 4C. TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS WITH 80% OF ET IN THE 2022 NATIONAL COOL-SEASON WATER USE/DROUGHT TOLERANCE TEST AT FORT COLLINS, CO 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ WINTER GREENUP GREENUP LEAF SUMMER PRE-DROUGHT COVERAGE QUALITY RATINGS NAME COLOR 3/6 4/3 TEXTURE DENSITY 3/6 5/22 5/27 HELIOS PR 1.3 2.3 4 6.0 7.0 92.0 95.7 98.7 SR 4650 PR 1.3 2.3 4 5.0 7.3 93.0 98.3 98.7 LSD VALUE 1.0 1.0 1 2.8 1.0 2.3 1.2 0.0 C.V. (%) 0.0 0.0 0 12.9 5.7 0.8 3.4 0.0 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 4C. TURFGRASS QUALITY 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 FORT COLLINS, CO 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DROUGHT STRESS RATINGS JUNE-SEPTEMBER NAME 6/10 6/21 6/28 7/5 7/12 7/20 7/31 8/16 8/22 8/30 9/9 HELIOS PR 8.0 4.7 6.3 6.0 5.7 5.3 6.3 7.7 7.0 7.3 7.7 SR 4650 PR 8.0 5.0 6.3 5.7 5.0 5.3 6.3 8.0 7.0 6.3 7.0 LSD VALUE 0.8 1.5 2.2 0.8 1.7 1.0 0.8 1.0 1.6 1.5 1.8 C.V. (%) 0.0 8.4 11.2 14.0 7.7 0.0 0.0 10.4 0.0 10.3 5.6 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 4C. TURFGRASS QUALITY 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 FORT COLLINS, CO 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ CANOPY TEMPERATURE DURING DROUGHT NAME 6/6 6/21 6/28 7/5 7/31 8/16 8/30 9/9 HELIOS PR 89.7 97.0 97.7 91.0 96.7 92.3 85.7 91.3 SR 4650 PR 89.3 97.7 93.0 91.3 97.3 94.3 86.0 93.3 LSD VALUE 3.5 4.7 9.6 7.3 6.1 6.5 3.8 4.3 C.V. (%) 0.5 4.8 2.4 2.7 1.7 0.8 1.9 3.3 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. TABLE 4C. TURFGRASS QUALITY 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 FORT COLLINS, CO 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY PRE-DROUGHT QUALITY DURING DROUGHT JUNE-SEPTEMBER NAME 3/6 5/22 5/27 6/5 6/10 6/21 6/28 7/12 HELIOS PR 2.0 5.3 5.3 4.7 4.0 3.3 4.3 4.3 SR 4650 PR 2.0 5.0 5.0 5.0 4.0 3.3 3.7 4.3 LSD VALUE 0.6 1.4 1.4 1.3 0.7 1.3 1.3 1.1 C.V. (%) 0.0 7.9 7.9 8.4 0.0 0.0 10.2 0.0 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 4C. TURFGRASS QUALITY 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 FORT COLLINS, CO 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING DROUGHT JULY-SEPTEMBER QUALITY RATINGS DURING RECOVERY NAME 7/20 7/31 8/16 8/30 9/9 9/30 10/8 10/16 MEAN HELIOS PR 5.0 5.0 4.7 5.3 6.3 7.3 6.7 6.3 5.0 SR 4650 PR 4.7 4.7 5.3 5.3 6.7 7.3 7.0 7.0 5.0 LSD VALUE 5.0 0.7 0.8 1.8 2.0 2.0 2.0 1.6 0.9 C.V. (%) 8.4 8.4 8.2 0.0 12.6 0.0 6.0 6.1 2.0 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.