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.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Live on the coast? Check out these 6 new publications on the best ways to grow your favorite berries! We suggest you start with the overview, then move on to the crop specific guides.