Berry Ripening Parameters for Red Wine Cultivars at WMARS Below are graphs showing the progression of the berry ripening parameters at WMARS: % total soluble […]

I have received several emails from growers regarding ranges of fruit quality parameters for cold climate grape cultivars. Several years ago, I published an extension […]

Phenology The berries of all cultivars at West Madison Research Station (WMARS) are either not quite ripe (E-L* Stage 37) or are harvest-ripe (stage 38). […]

Phenology The berries of all cultivars at West Madison Research Station (WMARS) are ripening and have either intermediate TSS/sugar values (E-L* Stage 36) or are […]

Phenology Over the past two weeks, all cultivars at WMARS reached veraison (E-L* Stage 35), meaning that the berries have begun to change color and […]

Phenology As of July 20 at the West Madison Agricultural Research Station (WMARS) in Verona, WI, the cultivar Itasca has reached veraison (E-L* Stage 35), […]

Phenology This week at the West Madison Agricultural Research Station (WMARS) in Verona, WI, all cultivars have berries that are still hard and green, E-L* […]

Becca Honeyball & Amaya Atucha Mycorrhizal fungi are everywhere. These symbiotic organisms, a group of highly specialized root fungi, are naturally present in most every […]

Phenology This week at the West Madison Agricultural Research Station (WMARS) in Verona, WI, cultivars are at various stages of setting and developing berries, ranging […]

The climate of the upper Midwest is variable and at times, extreme. Fruit growers find themselves managing the effects of excess rainfall one season and […]