Conditions have been dry and we got some much-needed rain today. We are still behind normal for degree days, and apple harvest will also likely […]

In 2012, table grape breeding was added to the mix of breeding programs on the UW-River Falls campus. This was due to the fact that […]

The PDDC receives samples of many plant and soil samples from around the state.  The following diseases/disorders have been identified at the PDDC from August […]

The scouting at the West Madison Research Station (WMARS) vineyard occurred on 8/12/19. Grape phylloxera galls continue to be observed on all cultivars, including Brianna, […]

Precipitation can impact the performance of insecticides, but some compounds resist wash-off. There are several critical factors that influence impact of precipitation on a pesticide’s […]

In Wisconsin, mature leaf petiole is the most common tissue used to assess the vines nutritional status. There are two recommended timing for petiole sampling, […]

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 […]

A few large storms blew through this past week, with minor reports of hail. Otherwise, it has been warm and humid. Tart cherry harvest is […]

This week, the scouting at the West Madison Research Station (WMARS) vineyard occurred on 7/29/19. Grape phylloxera galls continue to be observed on most cultivars, […]

Wasps are starting to show up, though they seem to be delayed from previous years, likely due to the cold and wet spring we experienced. […]