Comparative Studies on Wine Grapes on Different Trellising Systems: I. Consumptive Water Use

Mr. B. Rix, Officer in Charge of the Viticultural Experimental Farm at Robertson, for his continuous help and supervision. 2. Mr. A. Pedro who, with the help of assistants, carried out a major part of the field measurements. 3. Mr. H. S. van der Walt, of the Plant Pathology Section, for his work concerning the evaluation of Botrytis cinerea incidence in the experimental vineyard. 4. The Division of Agricultural Meteorology at Bien Donne for their assistance and advice with regard to meteorological measurements. 5. Miss A. Verster for the analyses of the grape berry samples