News
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Birds and white pine weevil causing damage to leaders of conifers
Published on June 7, 2012
Damage from birds and white pine weevil to the leaders of conifers in Christmas tree fields and landscapes is beginning to show up. -
Conducting a sprinkler irrigation uniformity evaluation in your nursery
Published on June 4, 2012
A new MSU Extension factsheet outlines the steps for conducting a sprinkler irrigation system Distribution Uniformity check. Items needed, an example calculation and interpretation of the results are outlined in the document. -
Soil Academy 2012 set for September 5
Published on June 4, 2012
MSU Extension’s Soil Academy 2012 is a refresher course in soil science designed to help farmers, crop consultants and agribusiness understand more advanced topics in soil fertility and nutrient management. -
Watch for white smut on Gaillardia plants
Published on June 1, 2012
Begin scouting now for easily recognizable symptoms of white smut in landscape beds and nurseries. -
Managing needle blights of pine
Published on May 25, 2012
Dothistroma needle blight and brown spot needle blight need to be properly managed in pines. Recognize the symptoms and know how to control these diseases this summer. -
Black vine weevil adults emerging in Ottawa County
Published on May 24, 2012
Black vine weevil adults have been found in Michigan this week, so now is a good time to scout for damage and plan your nursery management strategy. -
Over-wintering Douglas-fir midges are emerging
Published on May 11, 2012
Douglas-fir needle midge infestations can cause severe needle loss and trees to be unsalable at harvest. Timing your pesticide application at emergence is critical for control. -
Late frost injury on nursery and landscape plants
Published on May 4, 2012
Damage may appear dramatic at first, but long-term prognosis for most plants is good. -
Michigan awash with Phomopsis cankers on spruce trees and seedlings
Published on April 27, 2012
Phomopsis cankers are causing shoot blight symptoms in nurseries and a general decline of spruce trees in the landscape. This unparalleled disease of spruce can be found on blue, white and Norway spruce throughout the Lower Peninsula. -
Monitor now for mite activity on conifers
Published on April 26, 2012
The first generation of mites begins hatching in the spring. Early scouting of conifers helps you monitor populations for an increase that may require control.