SpecWare 7 Pro - UMASSCSO Fire Blight From 2009-04-13 To 2009-05-31 Temperature DD DD DH Rain Wet Steps Symptoms DH Cougar Date High Low >55 >40 >65 Fall Hrs GBHWTX EIP Ck Bl Sh >60 abcd 04/13 51.7 26.4 0 3 0 0.00 0.0 G.... 0 0 0 04/14 62.8 35.4 1 10 0 0.00 0.0 G.... 0 1 0 04/15 58.7 36.9 2 17 0 0.00 0.0 G.... 0 1 0 04/16 63.5 33.0 3 26 0 0.00 0.0 G.... 0 2 0 04/17 67.0 32.2 6 38 0 0.00 0.0 G.... 0 3 0 04/18 61.5 48.8 8 52 0 0.00 0.3 G.... 0 4 0 04/19 62.8 39.3 10 62 0 0.00 1.5 G.... 0 5 0 04/20 51.7 33.8 10 66 0 0.08 3.8 G..W. 0 5 0 04/21 53.8 41.5 10 74 0 0.90 21.0 G..W. 0 5 0 04/22 54.5 43.7 10 82 0 0.26 17.3 G..W. 0 5 0 04/23 51.0 40.0 10 86 0 0.01 1.0 G..W. 0 5 0 04/24 71.8 36.9 14 100 0 0.00 0.5 G.... 0 7 0 04/25 86.6 48.1 27 126 0 0.00 0.5 G...T 0 14 0 04/26 83.7 61.5 44 158 0 0.00 0.3 G...T 0 22 0 04/27 85.2 53.1 58 187 0 0.00 1.5 G...T 0 29 0 04/28 90.3 56.6 76 220 0 0.00 0.0 G...T 0 39 0 04/29 67.0 42.3 79 234 0 0.00 0.3 G.... 0 40 0 04/30 67.7 40.0 82 247 0 0.00 0.5 GB... 0 42 625 (2233) 05/01 64.2 48.8 86 265 265 0.05 12.3 GBHW. 134 44 408 1223 05/02 65.6 48.8 89 282 156 0.05 4.5 GB.W. 79 45 108 0001 05/03 58.7 40.8 90 292 104 0.06 4.8 GB.W. 52 46 77 0000 05/04 63.5 48.1 92 307 2 0.03 8.3 GB.W. 1 47 56 0000 05/05 52.4 45.9 92 317 0 0.10 14.5 GB.W. 0 47 33 0000 05/06 67.7 43.7 95 331 3 0.30 8.3 GB.W. 1 49 40 0000 05/07 70.4 49.6 99 349 17 1.30 19.3 GB.W. 8 51 81 0000 05/08 73.9 48.1 107 369 61 0.01 8.8 GB.WT 31 54 169 0011 05/09 70.4 57.3 114 392 92 0.55 12.0 GB.WT 47 58 253 0012 05/10 60.8 43.7 116 406 62 0.00 0.0 GB.W. 31 59 227 (0012) 05/11 67.0 38.5 118 418 62 0.00 0.0 GB... 31 60 208 (0012) 05/12 67.7 41.5 121 431 54 0.00 1.3 GB... 27 62 121 (0001) 05/13 71.1 40.8 126 447 77 0.00 4.5 GB.W. 39 64 104 0001 05/14 60.1 47.4 127 461 32 0.23 9.8 GB.W. 16 65 104 0001 05/15 78.1 54.5 136 484 95 0.00 3.8 GB.WT 48 69 216 (0012) 05/16 76.7 48.8 143 506 135 0.00 0.3 GB..T 68 73 301 (0022) 05/17 61.5 44.5 145 519 89 0.41 10.0 GB.W. 45 74 238 0012 05/18 54.5 40.8 145 526 45 0.00 0.0 GB.W. 23 74 238 (0012) 05/19 71.1 35.4 149 540 60 0.00 0.0 GB... 30 76 162 (0011) 05/20 82.3 45.9 161 564 183 0.00 0.0 GB..T 92 82 256 (0012) 05/21 87.4 53.8 175 593 330 0.00 0.5 GBH.T 167 89 509 (2233) 05/22 87.4 54.5 191 624 518 0.00 0.0 GBH.T 262 97 795 (2333) 05/23 71.8 54.5 199 647 432 0.00 0.0 GBH.T 218 101 0 831 (3333) 05/24 79.5 50.3 209 671 529 0.14 4.8 GBHWT 267 107 0 10 803 3333 05/25 78.1 53.1 220 697 443 0.00 0.0 GBHWT 224 112 11 20 711 (2333) 05/26 63.5 40.8 222 710 157 0.00 0.0 GB... 79 113 13 23 437 (1223) 05/27 55.9 43.0 222 720 79 0.35 11.8 GB.W. 40 113 13 23 342 0022 05/28 52.4 46.7 222 729 0 0.02 8.5 GB.W. 0 113 13 23 178 0011 05/29 69.0 46.7 226 745 8 0.23 13.0 GB.W. 4 115 17 27 52 0000 05/30 75.3 54.5 235 769 83 0.12 7.0 GB.WT 42 120 26 36 175 0011 05/31 77.4 43.0 242 787 0 0.00 0.8 G 0 123 32 42 268 (0012) Degree Days are 'Actual' - based on individual temperature readings throughout the day. Plant Development Dates: Green Tip 2009-04-13 First Blossom 2009-04-30 Last Petal 2009-05-31 University of Maryland Model: Apple threshold (80 DD>40) used for Blossom blight 'Steps' key: G Green Tip; from green tip date until Canker blight symptoms B Blossom; from first blossom date until Blossom blight symptoms H 198 Degree Hours > 65F(18C) requirement met W Wetness (dew or rain) requirement met T Average temperature >= 60F(15.5C) X Trauma; from trauma event date Washington State University (Cougarblight) Model: Pathogen Potential column header key: a No fire blight in area in past two seasons b Fire blight in local area last year c Fire blight nearby or in orchard last year d Active cankers present nearby or in orchard Infection Risk key: 0 Low Risk 1 Marginal Risk 2 High Risk 3 Extreme Risk Infection risks are provided in parentheses on dry days to warn of potential risks if wetness were present.