The State Fruit Experiment Station is participating in a mealybug monitoring program for Missouri vineyards. Dr. Jacob Corcoran, Research Molecular Biologist USDA-ARS is running the program and has supplied us with two mealybug traps, sticky cards, and pheromone lures for male bugs. The program is part of research on mealybugs through the Control of Insects Research Unit in … [Read more...] about Mealybug traps set out in vineyards
Archives for May 2021
GDD base 50 = 93-183. We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf At this point, there are few primaries on many cultivars. Norton in the North and Foundation vineyard have some primary growth. NC-6 which develops … [Read more...] about Grape phenology and GDD accumulation