This Wednesday, we partnered with University of Minnesota extension specialists for a great webinar entitled “Fungicides and Planting Vines”, which is now available on Youtube. Annie […]

Really? Spring is here? After the snow and the freezing temperatures this past week it is hard to believe but this is spring in Wisconsin! […]

As spring progress, we have observed a significant loss of cold hardiness in grape buds mostly in the last two weeks. Next week will bring […]

Bud cold hardiness refers to the ability of buds to survive cold temperatures during the dormant season. To monitor changes in bud cold hardiness, we […]

At the West Madison Agricultural Research Station (WMARS) in Madison, WI, grapevine development has reached E-L* stage 36 (“Berries with intermediate sugar values”). Currently, vines […]

At the West Madison Agricultural Research Station (WMARS) in Madison, WI, grapevine development has reached E-L* stage 35 (“Berries begin to color and enlarge”). At […]

At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoot development across most cultivars’ buds were in E-L* stage 31 (“Berries pea-size; 7 […]

This week, the scouting at the West Madison Research Station (WMARS) vineyard occurred on 7/15/19. Grape phylloxera galls continue to be observed on most cultivars […]

Scouting at the West Madison Research Station (WMARS) vineyard on 7/2/19 showed an increase in the number of phylloxera galls (Figure 1) observed on most […]

The last DATCP Pest Bulletin of 6/20/19 reported that the first spotted wing drosophila flies (SWD; Figure 1) were detected in DATCP’s monitoring traps in […]