Scientists at Oregon State University have shed light on the evolutionary history of a soil-borne bacteria that is so dangerous to grazing animals it is kept behind lock-and-key to prevent its spread.
If planted in a suitable habitat, native plants are well adapted to Central Oregon soils and climate. When grown in the right conditions, native plants experience less environmental, insect, and disease damage than nonnative plants.
Describes how to identify signs of nutrient deficiency in shade and ornamental trees. Discusses the most common soil nutrient deficiencies, types of fertilizer, and fertilization techniques. Offers a simple method, ...
Riparian areas are rich ecological environments that support a diversity of life and contribute to the overall health of our communities. But they are delicate and complex, and face threats to their existence. Private landowners ...
The plants in the field trials were chosen by an advisory group of nursery growers and landscape designers and were evaluated on growth, visual appeal, timing of flowering, density of flowers, physiology and heat tolerance.
This field guide provides an overview of basic plant pathology concepts that are relevant to disease identification in wheat. It introduces tools to help distinguish between biotic and abiotic injuries, and discusses...
Hemp plants are susceptible to disease, especially at the early stages of development. Hemp growers can promote healthy plants by using high-quality seed and avoiding soil that is wet, dense or poorly drained.