A Treatise on ViticultureA I Perold (1880 1941) was South Africa's first Professor of Viticulture and Oenology. He dedicated himself to improving the quality of grapes for wine, brandy and the table. He studied wine and brandy production in Europe, imported more than 60 varieties to the Cape and bred new ones. Perold said this book is intended to serve both the student and the practical grape grower. There are in it technical passages that will appeal more to the student, e.