Cluster thinning is a widely used vineyard management technique aimed at enhancing grape and wine quality. However, the outcomes of cluster thinning vary across studies, […]

Many southern Wisconsin vineyards are entering veraison (fruit ripening), especially on early varieties. This is a critical stage for the grapes and for disease management. […]

This year we started an exciting new project to evaluate several seedless table grape cultivars and some new selection from the UMN cold climate grape […]

There are two recommended timing for petiole sampling, at bloom, or now during veraison. Here are some brief recommendations to collect the sample: Divide the […]

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, […]