No effect on produce quality
Increased produce quality
ProAct treated Orange, var. Navelina/ Lane late, had a (significantly) lower % creasing fruit at harvest, had no difference in incidence of claret, had a significantly lower % deformation and had significantly more bound Ca compared to the untreated control grown in the same orchard under the same conditions.
outdoor, unprotected, soil grown, normal agricultural practices
Orange, Citrus sinensis L.
First application at stage of falling petals, followed by 1/2 applications at stage of fruit set and at stage of color change. In the third and fourth year a single application at fruit set or at color change was tested.
Effect of the application of Harpin protein (ProAct®) on the incidence of creasing, fruit deformation and bound-Ca2+ content in orange varieties.
Trial report Plant Health Care