Several types of caneberries are produced commercially in Oregon, including summer-bearing and primo cane fruiting red raspberries, black raspberries (blackcaps), and blackberries. This publication addresses nutrient assessment...
John M. Hart, Bernadine Strik, Hannah Rempel |
Aug 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
When a heatwave hits, plants may show the impact. Learn the signs of heat stress in plants and how to help them weather a heatwave with best practices for watering, mulching, shading, providing humidity and weeding.
Degree-days measure the amount of heat accumulated over time. Researchers have used years of this data to develop models that help farmers and gardeners predict harvest dates and other important events in select ...
Nick Andrews, Leonard Coop, Heather Stoven, Heidi Noordijk, Aaron Heinrich |
Jan 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Wildfire smoke is more than a nuisance. It is a public health hazard that can harm the lungs and cardiovascular system. Here's a look at what makes smoke dangerous and what can be done about it.