Courtesy Washington State UniversityWashington State University has updated its Grape Pest Management Guide for 2014, making it available for download for $5.
A printed, bound hard copy, priced at $9.50, will be available shortly from the university's publishing division, according to a university announcement.
The publication has been updated substantially and includes new spray calendars and spray recommendations based on vine development.
The guide also includes recommendations for control of diseases, insects, weeds and vertebrate pests on commercial grapes.
Applications of both soil- and foliar-applied herbicides are outlined for new and established plantings.