Learn about the environmental factors that affect plant growth: light, temperature, water, humidity and nutrition. Either directly or indirectly, most plant problems are caused by environmental stress.
Our homes and gardens often overlap with spaces and resources used by wild animals, both native and non-native. A "shared habitat" situation can pose some challenges when the animals' day-to-day activities come into...
The omnivorous leaftier has a wide host range and is known to cause damage to species from more than 20 plant families. Native parasitoid wasps manage this pest in natural and cropland settings. The first ...
Navneet Kaur, Leonard Coop, Jessica Green, Bill Gerth, Nicole Anderson, Glenn Fisher |
Aug 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.
The northern giant hornet was detected in British Columbia and Washington in 2019. This publication outlines the identification, life cycle, and predatory habits of the northern giant hornet (Vespa mandarinia) for ...
Ellen Topitzhofer, Chris Hedstrom, Priyadarshini Chakrabarti Basu, Andony Melathopoulos, Silvia I. Rondon, Gail Langellotto, Ramesh Sagili |
Sep 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Cereal cyst nematodes reduce yields of wheat, barley, and oats in the Pacific Northwest states of Idaho, Oregon, and Washington. It is estimated that these pests reduce wheat profitability in these states by at ...
Nematodes are tiny but complex unsegmented roundworms that are anatomically differentiated for feeding, digestion, locomotion, and reproduction. These small animals make important contributions to organic matter decomposition ...