TABLE 15B. PERCENT GREEN COVER AND OTHER RATINGS OF BERMUDAGRASS CULTIVARS IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2021 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MM FALL PLOT COLOR QUALITY RATINGS DURING PRE-DROUGHT NAME COLOR 10/26 5/3 6/4 7/8 7/14 FB 1628 BERMUDA 7.7 7.0 5.0 7.7 7.7 7.7 TIFTUF ? BERMUDA 6.3 5.7 5.7 7.7 6.3 7.7 TIFWAY BERMUDA 7.3 5.3 5.0 7.3 7.3 8.0 TAHOMA 31 BERMUDA 8.0 5.3 5.3 7.7 8.0 8.0 RIO (JSC 2009-6-S) BERMUDA 6.0 5.0 5.0 6.0 6.0 6.7 ASC 118 BERMUDA 5.3 4.3 4.0 5.0 5.3 6.0 ASC 119 BERMUDA 5.0 4.7 3.7 5.0 5.0 6.0 OKC 1221 BERMUDA 7.0 5.3 5.3 7.3 7.0 7.7 MONACO BERMUDA 6.7 5.3 4.3 6.0 6.7 7.0 DOG TUFF BERMUDA 5.3 4.7 5.7 6.3 5.3 6.3 PREMIER PRO BERMUDA 5.3 4.0 4.3 6.3 5.3 7.0 LSD VALUE 0.9 1.2 0.8 0.7 0.9 0.5 C.V. (%) 8.7 12.6 9.7 7.0 8.7 4.5 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 15B. PERCENT GREEN COVER AND OTHER RATINGS OF BERMUDAGRASS CULTIVARS (CONT'D) IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2021 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MM QUALITY RATINGS DURING DROUGHT PERIOD QUALITY RATINGS DURING RECOVER PERIOD TOTAL WATER NAME 7/21 7/28 8/4 8/11 8/20 8/30 9/8 9/15 MEAN APPLIED (mm) FB 1628 BERMUDA 7.3 7.0 6.7 6.7 6.7 7.0 7.0 8.0 7.0 0.0 TIFTUF ? BERMUDA 7.7 7.0 6.3 7.0 6.7 6.3 6.3 7.3 6.8 0.0 TIFWAY BERMUDA 8.0 7.7 6.7 6.7 6.7 6.3 6.0 7.0 6.9 0.0 TAHOMA 31 BERMUDA 7.7 7.3 6.7 5.7 6.3 7.7 7.3 7.7 7.1 8.3 RIO (JSC 2009-6-S) BERMUDA 6.3 6.0 4.7 5.0 5.3 6.0 6.0 6.0 5.8 33.7 ASC 118 BERMUDA 6.3 6.0 4.0 5.0 5.0 6.0 6.0 6.0 5.4 42.3 ASC 119 BERMUDA 6.0 6.0 4.7 5.0 5.0 6.0 6.0 6.0 5.4 42.3 OKC 1221 BERMUDA 8.0 6.7 5.3 5.0 5.3 6.7 7.0 6.7 6.5 50.7 MONACO BERMUDA 7.0 6.3 5.3 5.7 6.0 6.7 6.7 6.0 6.1 51.0 DOG TUFF BERMUDA 6.7 5.7 5.0 5.0 5.0 5.3 5.3 6.0 5.6 59.3 PREMIER PRO BERMUDA 7.7 6.0 5.0 5.3 5.7 6.3 6.3 6.3 6.0 67.7 LSD VALUE 0.7 1.0 0.7 0.8 1.2 0.8 0.8 0.6 0.4 22.3 C.V. (%) 6.2 8.8 8.5 8.7 11.1 7.5 7.1 5.3 4.0 42.6 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 15B. PERCENT GREEN COVER AND OTHER RATINGS OF BERMUDAGRASS CULTIVARS (CONT'D) IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2021 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MM PERCENT GROUND COVER DURING PRE-DROUGHT PERCENT GROUND COVER DURING RECOVERY PERIOD NAME 4/13 5/6 6/2 7/14 7/21 7/28 8/4 8/11 8/23 9/1 9/8 9/17 9/22 FB 1628 BERMUDA 18.7 77.0 99.0 98.7 99.0 98.3 94.0 98.0 98.0 94.3 99.0 98.0 98.0 TIFTUF ? BERMUDA 47.7 92.3 99.0 98.7 99.0 95.0 90.3 98.7 87.0 76.7 98.3 94.3 92.0 TIFWAY BERMUDA 19.7 85.3 99.0 98.7 99.0 99.0 94.3 95.0 93.3 80.0 98.3 93.0 90.3 TAHOMA 31 BERMUDA 46.7 88.7 99.0 99.0 99.0 98.7 94.0 94.3 98.3 97.3 99.0 97.0 97.7 RIO (JSC 2009-6-S) BERMUDA 34.7 75.3 98.0 97.7 99.0 94.7 84.7 95.7 95.7 93.7 91.3 93.3 94.7 ASC 118 BERMUDA 36.0 67.7 91.7 91.0 99.0 89.7 75.3 90.7 85.3 77.3 97.7 88.7 80.0 ASC 119 BERMUDA 17.3 45.3 95.3 92.0 97.0 88.3 75.3 88.7 80.0 80.7 96.0 89.7 87.3 OKC 1221 BERMUDA 34.7 81.3 99.0 97.7 99.0 97.3 89.0 94.0 97.0 92.3 99.0 95.0 96.7 MONACO BERMUDA 30.7 56.7 98.3 97.7 99.0 97.0 92.0 97.7 98.0 97.3 99.0 96.3 98.0 DOG TUFF BERMUDA 55.7 95.3 93.7 93.7 99.0 89.0 75.7 93.0 85.3 85.7 93.3 89.3 87.0 PREMIER PRO BERMUDA 23.0 64.7 98.7 92.3 98.3 90.7 70.0 86.3 94.0 86.3 97.0 85.3 77.3 LSD VALUE 10.3 8.9 2.9 5.1 3.0 13.5 19.6 15.7 7.5 4.7 10.8 6.3 12.2 C.V. (%) 19.4 7.6 1.8 2.9 1.1 6.1 11.5 6.7 4.8 3.5 4.4 3.7 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 CORRESPONDING LSD VALUE (LSD 0.05). 2/ C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN.