Fruit and Vegetable News

 Article written by Madeline Wimmer, UMN Extension Fruit Production Educator.  General Fruit Webinar recording: SARE labor training, “Creating systems to mitigate on farm conflict” UMN Extension Fruit Crop Reporting Tool Apples   Growth stage and pest management update: Apples between 18-30mm Grapes Growth stage update: Early bloom Nitrogen application recommendations around bloom Article and video: Petiole sampling for grapes Sucker and watersprout management Blueberries Growth stage update: Early green fruit set Honeyberries/haskap Growth stage update: Nearing harvest Day-neutral Strawberries Growth stage update: Fruit set General Fruit Webinar recording: SARE labor training, “Creating systems to mitigate on farm conflict” This past February, SARE (Sustainable Agriculture Research and Education) offered a labor training program to Minnesota and adjacent states. This program covered a variety of topics on Minnesota paid leave, strengthening human resources (HR) at the fa...

Madeline Wimmer, UMN Extension Educator- Fruit Production & Soon Li Teh, Extension Specialist and Assistant Professor in Grape Breeding and Enology Image: a plant nutritional pyramid showing from bottom to top those nutrients supplied by air and water: Carbon (C), Hydrogen (H), and Oxygen (O); primary macronutrients: Nitrogen (N), Phosphorous (P), and Potassium (K); secondary macronutrients: Calcium (Ca), Magnesium (Mg), and Sulfur (S); micronutrients: Molybdenum (Mo), Boron (B), Nickel (Ni), Copper (Cu), Zinc (Zn), Iron (Fe), Chlorine (Cl), and Manganese (Mn).  Graphic created by Madeline Wimmer, 2023. Plant nutritional analysis—also known as foliar/leaf/petiole testing—is the practice of analyzing nutrition within a plant to determine adequate, excess, or deficient nutrient levels. Oftentimes, this involves collecting a plant’s leaf, leaf with petiole, or only the petiole at a specific growth stage.  Plant nutritional analysis is a critical step in determining any poten...