This book contains reports of some research conducted by the authors and not previously published. Thanks are due and gladly offered to dOllors supporting our research, includi ng the American Vineyard Foundation, the Wine Institute, and the California Wine Advisory Board. Our own research students and supporting members of Ihe Californian wine industry are also thanked. We greatly appreciate typing of some of the drafts by Jill Frommell and Susan Woody with final manuscript preparation by Diane Eschenbaum. David M. Coons is thanked for preparatio n of many of the figures for Chapters 4 and 6.