Stressed trees show dieback
Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.
Poison hemlock and Western waterhemlock: deadly plants that may be growing in your pasture
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.
Poison Hemlock (Conium maculatum) – Silage Will Not Reduce the Toxin
Poison hemlock is one of the most poisonous of plants. Silage making has been used to reduce the concentrations of toxins in a variety of crops. Poison hemlock alkaloids are found in different concentrations depending on ...