Effect
ProAct treated Potato, var. Cultra, grown in a field had no difference in plant vigour on 5 different times (+1.7%), Ca content in leaves (+0.6%) or petioles (-1.9%), no difference in blackleg incidence, tuber skin loss, tuber bruising risk (-4.7%), no difference in yield (ton/ha): <45mm (-5.3%), 45-55 (-3.3%), 55-65 (-1.5%), 65-85 (+1.5%), marketable yield (-1%), total yield (-1.3%), no difference in number of tubers: <45mm (-3.5%), 45-55 (-4%), 55-65 (-2.6%), 65-85 (+2.5%), marketable number (-2.2%) and total number (-2.4%), had no differences in skin diseases: blackdot common scab, silver scruf, Rhizoctonia black scurf, distortions, netting, had no difference in internal defects and no difference in tuber Ca content (-0.2%) compared to the untreated control grown under the same conditions.
