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Greenhouse Alert newsletter
Home > Greenhouse Alert
Cultural practices and pest management advice for growing greenhouse garden plants
Check out MSU’s Landscape Alert newsletter
Andrea Buchholz, asst. editor

May 14, 2008 -- This is the end of season for the Greenhouse Alert newsletter. Throughout the next few months, we may send out additional articles as they become available. In the mean time, many readers will find items of interest in our Landscape Alert newsletter. Read more.

Out-the-door treatments for insects on bedding plants
David Smitley, Entomology

May 14, 2008 -- Warmer temperatures and longer periods of daylight always give insects a big boost in April and May. Consequently, it is not unusual to discover yellow sticky cards covered with thrips or whiteflies, or outbreaks of spider mites and aphids in greenhouses full of flats scheduled to be shipped in the next week. Read more.

Michigan’s first MAEAP certified greenhouse
Jeanne Himmelein, MSUE educator

May 13, 2008 -- Michigan Agricultural Environmental Assessment Program (MAEAP) is an innovative, proactive program that helps farms of all sizes and commodities voluntarily prevent or minimize pollution risks. Read more.
Potted plants in a greenhouse.
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Thanks to the Michigan Department of Agriculture and Floricultural Area of Expertise Team for funding support of this web site.
Downy and powdery mildews showing up now
Tom Dudek, MSUE educator

May 1 -- 2008 Greenhouse growers need to pay attention to a couple of mildews that are occurring in area greenhouses. Read more.

Geraniums and magnesium deficiency
Dean Krauskopf, MSUE educator

April 30, 2008 -- I’m seeing a lot of geraniums with yellowing lower leaves that have dark green veins. These leaves may also be reddish on the edges. These symptoms indicate a possible magnesium (Mg) deficiency. Read more.
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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5/14/08