TABLE 15A. PERCENT GREEN COVER AND OTHER RATINGS OF ALL WARM-SEASON CULTIVARS IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MILLIMETERS WINTER COLOR QUALITY RATINGS DURING PRE-DROUGHT QUALITY RATINGS DURING DROUGHT PERIOD NAME 11/2 5/1 6/9 7/5 7/14 7/22 7/29 8/5 8/12 8/19 8/26 TIFTUF ? BERMUDA 6.0 6.0 6.7 6.0 7.7 7.7 8.0 8.0 8.0 8.0 8.0 FB 1628 BERMUDA 6.0 6.0 7.7 5.7 7.0 7.0 7.0 7.0 6.3 5.3 6.0 TAHOMA 31 BERMUDA 5.3 6.7 7.0 6.3 7.7 7.7 7.7 7.7 7.0 6.0 6.0 RIO (JSC 2009-6-S) BERMUDA 4.0 4.7 5.7 4.3 6.7 6.3 6.7 6.7 5.3 5.3 5.0 ASC 118 BERMUDA 4.7 4.0 5.7 4.0 6.0 6.0 5.7 6.0 5.0 5.3 5.0 TIFWAY BERMUDA 4.0 5.0 7.0 6.3 7.7 7.7 7.7 7.7 7.7 5.7 6.3 MONACO BERMUDA 4.3 5.0 6.3 5.0 6.7 6.3 6.7 6.7 5.3 4.3 4.7 FAES 1307 ZOYSIA 6.0 6.0 7.0 6.3 7.7 7.0 6.7 7.0 6.3 6.3 4.3 FAES 1306 ZOYSIA 6.0 3.0 6.0 5.7 7.3 7.3 7.0 7.0 6.3 5.3 5.3 STELLAR ZOYSIA 6.0 6.0 7.0 6.3 7.3 7.0 6.0 7.0 6.7 6.7 5.7 ASC 119 BERMUDA 4.0 4.7 5.3 4.0 6.0 6.0 5.3 6.0 5.0 5.0 4.3 PRESTIGE BUFFALO 3.5 6.0 5.0 5.0 6.0 6.0 5.0 5.5 4.5 4.0 3.5 CODY BUFFALO 3.0 5.0 5.0 4.0 6.0 6.0 5.7 5.7 5.0 4.3 4.3 OKC 1221 BERMUDA 5.0 5.3 6.7 5.0 7.0 7.0 6.3 5.3 5.3 5.3 5.3 PREMIER PRO BERMUDA 4.0 5.0 6.3 5.7 7.3 7.3 6.3 6.0 4.3 4.7 5.3 DOG TUFF BERMUDA 4.7 6.7 5.0 5.0 6.3 6.0 5.3 5.7 6.0 5.3 5.0 MEYER ZOYSIA 5.0 6.3 6.0 5.7 6.7 6.7 5.3 6.7 5.7 5.3 4.7 LSD VALUE 0.9 0.7 0.9 0.8 0.8 0.7 1.2 0.8 0.9 1.6 1.6 C.V. (%) 11.2 8.1 8.6 9.5 6.8 6.6 10.9 7.9 9.7 15.6 17.1 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 15A. PERCENT GREEN COVER AND OTHER RATINGS OF ALL WARM-SEASON CULTIVARS (CONT'D) IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MILLIMETERS TOTAL QUALITY RATINGS DURING DROUGHT PERIOD QUALITY RATINGS DURING RECOVERY PERIOD WATER NAME 9/2 9/9 9/16 9/23 9/30 10/7 10/14 10/21 10/30 MEAN APPLIED TIFTUF ? BERMUDA 8.0 8.0 8.0 7.7 7.3 7.0 7.0 6.7 6.0 7.4 0.0 FB 1628 BERMUDA 7.0 7.0 7.0 7.0 7.0 7.3 7.3 6.7 6.0 6.7 25.0 TAHOMA 31 BERMUDA 7.0 6.3 6.3 6.3 6.3 6.7 6.7 6.7 6.7 6.8 33.7 RIO (JSC 2009-6-S) BERMUDA 6.0 5.7 5.7 6.0 5.7 5.7 6.3 5.7 4.3 5.7 59.3 ASC 118 BERMUDA 4.7 4.0 4.0 5.0 5.0 5.3 5.3 5.3 4.0 5.0 67.7 TIFWAY BERMUDA 6.7 6.0 6.0 7.0 6.3 6.3 5.7 5.0 4.0 6.4 67.7 MONACO BERMUDA 6.0 5.7 5.7 6.0 5.7 5.7 5.3 5.3 4.0 5.6 68.0 FAES 1307 ZOYSIA 6.0 6.0 6.0 6.0 6.3 7.0 7.0 7.0 6.7 6.5 102.0 FAES 1306 ZOYSIA 6.7 6.7 6.7 7.0 7.0 7.0 7.0 7.0 7.0 6.4 110.3 STELLAR ZOYSIA 6.7 6.7 6.7 7.0 7.0 7.0 7.0 7.0 6.0 6.7 110.3 ASC 119 BERMUDA 4.7 4.0 4.0 5.0 5.0 5.0 5.0 4.3 3.3 4.8 118.7 PRESTIGE BUFFALO 5.0 5.0 5.0 5.0 2.5 2.5 2.5 2.5 2.5 4.4 127.0 CODY BUFFALO 4.7 4.0 4.0 5.0 4.0 3.7 3.7 3.0 2.0 4.5 135.3 OKC 1221 BERMUDA 6.3 6.7 6.7 7.0 6.3 6.3 5.7 5.0 4.0 5.9 135.3 PREMIER PRO BERMUDA 6.0 5.0 5.0 6.0 6.0 5.7 5.0 4.7 2.3 5.5 135.3 DOG TUFF BERMUDA 5.7 5.3 5.3 5.3 5.3 5.0 4.0 4.3 3.0 5.2 160.7 MEYER ZOYSIA 4.7 4.7 4.7 5.0 5.0 5.0 4.3 3.3 3.3 5.2 160.7 LSD VALUE 1.0 0.6 0.6 0.7 0.9 1.0 1.5 1.3 1.4 0.5 22.6 C.V. (%) 10.4 7.1 7.1 7.0 9.6 11.2 15.9 14.8 20.1 5.8 15.7 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 15A. PERCENT GREEN COVER AND OTHER RATINGS OF ALL WARM-SEASON CULTIVARS (CONT'D) IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MILLIMETERS PERCENT GREEN COVER DURING PRE-DROUGHT PERCENT GREEN COVER DURING DROUGHT PERIOD NAME 4/21 5/21 6/4 6/12 7/15 7/22 7/30 8/6 8/12 8/20 TIFTUF ? BERMUDA 48.0 98.3 93.3 96.0 98.7 99.0 99.0 99.0 99.0 98.3 FB 1628 BERMUDA 34.0 98.0 96.7 94.7 98.0 98.0 97.0 95.3 87.3 83.7 TAHOMA 31 BERMUDA 48.0 89.0 84.7 89.3 99.0 98.3 98.7 94.0 84.7 77.0 RIO (JSC 2009-6-S) BERMUDA 41.0 91.7 89.0 91.0 99.0 98.3 97.0 91.0 79.3 84.7 ASC 118 BERMUDA 32.0 80.3 81.7 77.7 93.7 94.0 95.0 88.7 82.0 84.0 TIFWAY BERMUDA 35.3 94.7 82.3 86.7 99.0 98.7 98.7 97.3 94.3 86.0 MONACO BERMUDA 33.3 94.0 87.3 85.0 98.3 96.3 97.3 85.0 78.7 78.0 FAES 1307 ZOYSIA 38.7 96.0 89.7 83.7 99.0 99.0 97.7 92.0 88.7 83.0 FAES 1306 ZOYSIA 9.3 70.0 91.7 93.3 98.0 98.7 99.0 93.3 81.3 84.0 STELLAR ZOYSIA 64.0 97.3 90.0 77.0 97.3 96.7 93.3 95.3 89.0 91.7 ASC 119 BERMUDA 33.0 74.3 76.3 79.7 93.3 93.7 94.0 88.3 81.0 81.7 PRESTIGE BUFFALO 71.0 74.5 57.0 56.0 92.0 81.0 68.5 60.5 56.0 71.0 CODY BUFFALO 73.0 56.7 53.3 56.0 90.7 89.0 87.3 74.7 63.3 80.7 OKC 1221 BERMUDA 33.7 77.0 90.7 91.3 99.0 98.7 95.3 85.3 84.0 84.7 PREMIER PRO BERMUDA 30.3 93.7 80.3 82.0 98.7 98.0 89.7 79.0 71.3 85.3 DOG TUFF BERMUDA 68.0 95.7 53.7 76.7 89.0 82.3 75.7 83.0 87.3 84.3 MEYER ZOYSIA 77.0 96.0 89.0 72.0 96.3 95.3 87.7 90.3 81.0 80.7 LSD VALUE 10.8 13.5 14.6 9.7 4.8 3.8 11.7 14.4 15.4 17.7 C.V. (%) 15.7 9.4 10.8 7.4 2.8 2.5 7.2 9.1 10.5 8.9 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. TABLE 15A. PERCENT GREEN COVER AND OTHER RATINGS OF ALL WARM-SEASON CULTIVARS (CONT'D) IN THE 2018 NATIONAL WARM-SEASON WATER USE/DROUGHT TOLERANCE TEST AT STILLWATER, OK 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TOTAL WATER APPLIED WITH MILLIMETERS PERCENT GREEN COVER DURING DROUGHT PERIOD PERCENT GREEN COVER DURING RECOVERY PERIOD NAME 8/28 9/2 9/9 9/23 9/30 10/7 10/14 10/21 11/2 11/10 TIFTUF ? BERMUDA 98.0 98.0 97.3 93.0 87.7 88.3 84.0 81.3 70.7 65.3 FB 1628 BERMUDA 88.0 90.7 90.3 91.0 84.3 86.3 78.0 74.3 62.7 53.0 TAHOMA 31 BERMUDA 82.7 91.7 88.7 83.7 70.7 73.0 74.0 71.0 51.3 36.3 RIO (JSC 2009-6-S) BERMUDA 85.0 87.3 85.0 91.3 83.3 85.3 77.7 65.0 39.3 23.0 ASC 118 BERMUDA 85.0 82.3 83.3 80.7 67.0 73.0 63.3 63.3 46.3 32.0 TIFWAY BERMUDA 87.0 90.3 86.7 90.0 71.7 77.0 66.3 59.7 42.3 38.0 MONACO BERMUDA 85.0 89.3 92.3 82.3 69.7 76.0 66.0 62.7 33.7 24.7 FAES 1307 ZOYSIA 85.0 90.7 93.0 94.0 88.0 90.3 89.0 86.0 77.7 60.7 FAES 1306 ZOYSIA 90.0 95.3 93.3 97.0 92.3 93.7 91.7 88.3 80.0 64.0 STELLAR ZOYSIA 87.3 94.3 95.0 95.0 92.3 93.7 90.3 87.7 76.3 45.0 ASC 119 BERMUDA 79.7 83.0 77.7 82.0 69.3 71.3 64.3 58.0 39.3 27.0 PRESTIGE BUFFALO 77.5 78.5 81.0 72.5 33.5 40.5 33.0 33.5 19.0 11.5 CODY BUFFALO 74.3 77.0 67.0 76.3 51.3 53.0 44.0 33.0 12.7 7.7 OKC 1221 BERMUDA 89.0 95.0 96.3 95.7 81.0 81.3 73.0 66.7 48.3 35.3 PREMIER PRO BERMUDA 87.3 91.7 91.7 88.7 74.3 81.7 63.0 60.3 32.7 26.0 DOG TUFF BERMUDA 88.7 91.0 93.3 91.0 76.7 79.3 68.3 60.7 37.3 28.7 MEYER ZOYSIA 85.7 86.0 89.3 88.7 84.0 85.7 73.0 70.0 47.0 21.0 LSD VALUE 12.1 6.6 10.6 6.8 20.5 21.0 17.3 20.4 13.8 12.3 C.V. (%) 6.8 4.4 7.0 4.7 15.3 14.5 14.5 17.8 18.1 22.1 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.