For more information about registering your projects for the fair, please visit our Fair Information page. If you have any questions about this process, call the office at 320-591-1651 or email Sarah ...

Branch symptoms Black knot galls are most noticeable during fall and winter after all the leaves have fallen. Knobby, swollen black growths called galls grow along the length of stems and branches. In ...

Quick facts Invasive trees and shrubs are non-native plants that can reduce property values, damage the environment and harm human health. Native woody plants also can be aggressive when they spread ...

How to identify Minnesota weeds: Photos and guidance to help crop producers identify annual grass weeds, annual broadleaf weeds and perennials.

Runners and daughter plants Strawberry plants reproduce through stolons or “runners.” Runners extend out several inches from the crown, take root in the soil, and produce new plants called “daughter ...

The first sign of powdery mildew is pale yellow leaf spots. White powdery spots can form on both upper and lower leaf surfaces, and quickly expand into large blotches. The large blotches can cover the ...

How much to water When watering newly planted trees, apply 1-1.5 gallons per inch of stem caliper at each watering (see table). When watering newly planted shrubs, apply a volume of water that is 1/4 ...

Phytophthora capisci is a pathogen that can infect all cucurbit crops as well as peppers, tomatoes, eggplants and beans. Infection is most common in zucchini, squash, pumpkin, and pepper. Phytophthora ...

There are 17 essential nutrients all plants need to grow. Macronutrients are needed in larger quantities: Carbon, oxygen, and hydrogen come from air and water.Nitrogen, phosphorus and potassium come ...

Quick facts 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 ...

Bird's nest fungi Look like miniature bird's nests or cups. Shiny peridioles are nestled inside like eggs. Usually only 1/4 inch in height or diameter. Commonly light brown but may be white, gray, ...

These articles are for professional vegetable growers. They include necessary information for diagnosing and treating common diseases and infestations that can damage crops and affect economic ...