Specware 6.01 UMass CSO Fire Blight From 04/01/2002 To 04/30/2002 Temperature DD DD DH Rain Wet Steps Symptoms DH Cougar Date High Low >55 >40 >65 Fall Hrs GBHWTX EIP Ck Bl Sh >60 abcde 04/01 53.8 36.9 0 0 0 0.44 7.3 ...W. 0 0 04/02 41.5 30.6 0 0 0 0.00 0.0 ...W. 0 0 04/03 0 0 0 0.00 0.0 ..... 0 0 04/04 44.5 28.1 0 0 0 0.00 0.0 G.... 0 0 0 04/05 41.5 22.9 0 1 0 0.00 0.0 G.... 0 0 0 04/06 43.7 26.4 0 1 0 0.00 0.0 G.... 0 0 0 04/07 46.7 20.1 0 2 0 0.00 0.0 G.... 0 0 0 04/08 53.1 35.4 0 7 0 0.00 1.5 G.... 0 0 0 04/09 69.0 47.4 5 25 0 0.01 2.8 G..W. 0 3 0 04/10 62.8 44.5 7 38 0 0.13 3.0 G..W. 0 4 0 04/11 63.5 38.5 9 48 0 0.00 0.0 G..W. 0 4 0 04/12 63.5 34.6 11 60 0 0.00 1.5 G.... 0 5 0 04/13 73.2 53.8 17 80 0 0.06 3.3 G..WT 0 8 0 04/14 73.9 53.8 24 103 0 0.01 2.5 G..WT 0 12 0 04/15 76.0 56.6 33 127 0 0.68 9.0 G..WT 0 17 0 04/16 88.8 53.8 51 159 0 0.00 0.0 G..WT 0 26 0 04/17 92.5 64.2 73 196 0 0.00 0.3 G...T 0 37 0 04/18 91.0 58.0 90 229 0 0.07 2.8 G..WT 0 46 0 04/19 78.1 53.1 97 249 0 0.04 1.3 GB.WT 0 50 1125 44444 04/20 63.5 45.2 100 265 553 0.02 1.8 GBHW. 279 51 827 44444 04/21 53.8 36.2 100 270 553 0.00 0.0 GBH.. 279 51 410 04/22 42.3 32.2 100 270 553 0.22 17.3 GBHW. 279 51 111 00013 04/23 44.5 32.2 100 271 553 0.06 7.5 GBHW. 279 51 17 00001 04/24 37.7 30.6 100 271 0 0.00 0.0 GB... 0 51 0 04/25 54.5 32.2 100 274 0 0.45 9.8 GB.W. 0 51 0 00000 04/26 47.4 28.9 100 276 0 0.03 5.3 GB.W. 0 51 0 00000 04/27 58.0 28.1 101 283 0 0.00 0.0 GB... 0 51 0 04/28 45.2 37.7 101 284 0 0.70 18.5 GB.W. 0 51 0 00000 04/29 43.0 34.6 101 285 0 0.28 21.3 GB.W. 0 51 0 00000 04/30 51.7 33.8 101 287 0 0.20 17.0 GB.W. 0 51 0 00000 Degree Days are 'Actual' - based on individual temperature readings throughout the day. Plant Development Dates: Green Tip 04/04/2002 First Blossom 04/19/2002 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 (or Last Petal falls) H 198 Degree Hours > 65 requirement met W Wetness (dew or rain) requirement met T Average temperature >= 60 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 in past two seasons c Fire blight in local area last year d Fire blight in orchard last year e Active cankers present nearby Infection Risk key: 0 Very low 1 Low 2 Low-Moderate 3 Moderate 4 High