In this August issue, we focus on the grape berry. Articles within cover topics of cluster thinning, berry ripening, harvest., and various pests that can damage berries. Also, we provide information about how to conduct vine nutrient sampling at véraison to be sure to keep up with your nutrient program....
Proceedings of the 80th Annual Pacific Northwest Insect Management Conference, held virtually January 4-5, 2021.
These are research reports only, not management recommendations.
Many pollination studies with honey bees have examined the effect of colony density on crop yield and yet overlook the effect of variation in the population size of these colonies. High colony density in northern highbush blueberry has been met with concerns from beekeepers who feel higher densities will intensify...
Root rot of raspberry (Rubus idaeus), thought to be primarily caused
by Phytophthora rubi, is an economically important disease in the
western United States. The objectives of this study were to determine
which Phytophthora species are involved in root rot, examine the efficacy
of different isolation methods (cane, root, and...
Drosophila suzukii Matsumura (Diptera: Drosophilidae) are small invasive flies that in the past five years (2009-2014) invaded berry and stone fruit production regions in Europe and the Americas. Evolutionary adaptations, biological traits, and anthropogenic factors have contributed to its current status as a global pest. Females oviposit eggs into ripe...
Proceedings of the 79th Annual Pacific Northwest Insect Management Conference, held January 6-7, 2020 at the Hilton Hotel in Portland, Oregon. These are research reports only, not management recommendations.