Doug Walsh

Grapevine leafroll is a very complex viral disease. This publication addresses various aspects of disease symptoms, accurate diagnosis, vector management, and the absolute necessity of taking preve ...

In October 2005, a ten-page questionnaire was mailed to grape growers throughout Washington State.

This 116 page manual is intended for growers interested in the production of hybrid poplar on short coppice rotations as feedstock for biorefineries.