Physiological Studies on Grapevines

The aim of the present work was to improve the method of ccc application through a more a ccurate definition of the time of ccc application and the part of the vine to be treated (the shoots including the flower clusters, the shoots but not the flower clusters, or the flower clusters alone). Inaddition, the investigation involved combined treatments of ccc (to improve berry set and retention) and ethephon (to improve berry maturation)