2014 Grape IPM Scouting Report — Week 2 (June 2, 2014) June 9, 2014March 30, 2016 | 2014 Grape IPM Scouting Report — Week 2 (June 2, 2014) Leaf Phylloxera Grape Developmental Stages Degree Day Accumulations This article was posted in Grapes and tagged Degree Days, Phylloxera, Plant Development.