OSU winegrape research reports: 1998-1999

Evaluation of Nitrogen Deficiencies in Oregon Grapevines, Musts, and Wines
Barney Watson, Anna Specht, and Ed Hellman
Departments of Food Science and Technology and Horticulture

Evaluation of Commercial and Experimental Malolactic Bacteria Cultures in Oregon Chardonnay and Pinot Noir Wines
Mike Sreniawski and Barney Watson
Department of Food Science and Technology

Effects of Macerating Pectinase Enzymes on Color, Phenolic Profile, and Sensory Character of Pinot noir Wines
Barney Watson, Naomi Goldberg, Hsiao-Ping Chen, and Mina McDaniel
Department of Food Science and Technology

Support for Extension Viticulture Activities
Edward Hellman
North Willamette Research and Extension Center

Integrated Production: Impact of Vineyard Floor Biodiversity on Vine Performance
M. Carmo Candolfi-Vasconcelos, Patrik Schonenberger, and Steve Castagnoli
Department of Horticulture

Evaluation of varieties, clones and rootstocks: I. Evaluation of phylloxera-resistant rootstocks for the cultivars Pinot noir, Chardonnay, Pinot gris and Merlot
Michael McAuley and M. Carmo Candolfi-Vasconcelos
Department of Horticulture

Evaluation of varieties, clones and rootstocks: II & III. Performance of Pinot noir and Chardonnay clones
Steve Castagnoli and M. Carmo Candolfi-Vasconcelos
Department of Horticulture

Evaluation of varieties, clones and rootstocks IV. Evaluation of the Performance of Pinot noir Grafted to Five Rootstocks
M. Carmo Candolfi-Vasconcelos and Steve Castagnoli
Department of Horticulture

Development of Viticultural Practices to Improve Winegrape Performance Experiment I: Effect of Irrigation on Ripening Dynamics, Photosynthetic Performance, and Canopy Development of Mature Pinot Noir Vines in the North Willamette Valley
Jessica Howe and M. Carmo Candolfi-Vasconcelos
Department of Horticulture

Development of Viticultural Practices to Improve Winegrape Performance Experiment II: Effect of Crop Level on Fruit Composition of Pinot noir Grapes
Patrick Taylor and M. Carmo Candolfi-Vasconcelos
Department of Horticulture

OSU Mother Block Maintenance
Steve Castagnoli and M. Carmo Candolfi-Vasconcelos
Department of Horticulture

Pathogenicity and management of plant-parasitic nematodes on Vitis vinifera in Oregon vineyards
Jack Pinkerton and Carmo Candolfi-Vasconcelos
USDA-ARS and Departments of Horticulture

Survey of the Beneficial and Pest Insect Fauna from Integrated Production and Non-Integrated Production Vineyards in the Willamette Region
Leslie Viguers and J.R. Fisher
Department of Entomology and USDA-ARS

Characterization of Microbial Communities in Oregon Vineyard Soils
Kate M. Scow and Lorraine Gardner
Department of Viticulture and Enology, UC Davis

Development and Testing of Bacteria Free Grapevines for Prevention of Crown Gall in Oregon Nurseries and Vineyards
Marilyn Miller, Larry Moore, Jessica Mentzer, Lora Dierenfield, Kathleen Ferguson, Carmo Candolfi-Vasconcelos, and Steve Castagnoli
Departments of Botany and Plant Pathology and Horticulture