Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]

Phenology Crimson Pearl and Petite Pearl were the last cultivars harvested at the West Madison Research Station (WMARS) on September 20.  See Table 1 for […]

Phenology The berries of all cultivars at West Madison Research Station (WMARS) are harvest-ripe (stage 38). See Table 1 for veraison (beginning of berry color […]

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

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* […]

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 […]