Cytospora canker is a common disease on spruce trees that are stressed by drought, winter injury or other factors. Cankers kill random branches throughout the tree canopy. Cytospora rarely kills ...

Quick facts Newly planted trees and shrubs need regular and consistent watering until root systems establish. Root systems of trees and shrubs, whether bare root, balled and burlapped, or in a ...

Photos of weeds and weed seedlings commonly found in Minnesota crop production ...

What is EPM?EPM is a disease that affects the brain and spinal cord. It is often caused by the parasite, Sarcocystis neurona, commonly found in the opossum. Research in other states suggests that ...

Black chokeberry (Aronia melanocarpa) is an adaptable shrub native to Minnesota with hardiness and wide tolerance to a variety of soil textures, densities, pH levels and moisture conditions. Because ...

How to control trees and woody shrubs that may be a problem in your landscape such as Amur maple, buckthorn, Norway maple and others.

Quick facts Rhizosphaera needle cast is a fungal disease of spruce trees that causes needles to turn brown and fall off. Trees stressed from drought, poor planting practices or other factors are more ...

Ruminant stomachs have four compartments: the rumen, the reticulum, the omasum and the abomasum. Rumen microbes ferment feed and produce volatile fatty acids, which is the cow’s main energy source.

Armillaria root rot causes poor growth, yellow to brown foliage, and eventual death of the tree. The fungus can infect many deciduous and evergreen trees and shrubs. Infected trees have decayed roots ...

The mission of the University of Minnesota Extension Master Gardener volunteer program is to share research-based horticultural knowledge and practices, cultivate diverse collaborations, support ...

Although typically classified as fungi, slime molds are unique in their development. Slime molds survive winter in soil and thatch layers as spores. During cool, wet weather, spores germinate and ...

Hackberry is used as a shade tree or a boulevard tree. It establishes easily and grows well in urban landscapes because of its wide soil adaptability and its tolerance of heat, drought, salt spray, ...