http://ipm.ucdavis.edu/ - UC Statewide Integrated Pest Management:
http://www.sarep.ucdavis.edu/covercrop/res - UC SAREP Cover Crop Resource Page
http://geo.arc.nasa.gov/sge/grapes/grapes.html - NASA Grapevine Remote sensing Analysis of Phylloxera
http://news.ucdavis.edu/search/news_detail.lasso?id=5784 - Young Vine Decline
https://extension.oregonstate.edu/crop-production/wine-grapes - OSU Extension Wine Grape
https://owri.oregonstate.edu/ - Oregon Wine Research Institute
Warning: This information may only be applicable in the state of Oregon!