Plant Health

AFE Releases Reports on Downy and Powdery Mildews

The American Floral Endowment (AFE) has released two new research reports to help the industry better respond to downy mildew and powdery mildew. Blair Harlan and Mary Hausbeck, Ph.D., from Michigan State University examine downy... more »

Dismiss Herbicide Labeled for Ornamental Applications

FMC Professional Solutions' Dismiss herbicide is now labeled for use as selective weed control in containers, around field-grown ornamentals or in landscape beds. When applied as a directed spray around the base of the plant,... more »

Whitefly Trouble in Poinsettia Production

Many poinsettia growers in the United States and around the world experienced trouble controlling whitefly during the 2012 growing season. It was worse in some places compared to others. The source of the plant material... more »

An Epidemic of Epidemics

It seems like the explosion of new diseases has accelerated in the past 10 years or so. Marge thinks we are being tested. Having mastered the ABCs of plant disease, we are now into the... more »

Chase Agricultural Consulting Adds New Videos

Chase Agricultural Consulting has added four new videos to the company's YouTube page to help keep growers up to date on the company and its research activities. more »

Using the PGRs Collate and Florel

For many years, growers have been using the plant growth regulator (PGR) Florel on ornamental crops to abort flowers and flower buds, inhibit extension growth and promote lateral branching. Florel contains the active ingredient ethephon,... more »

How to Implement an Integrated Crop Management Strategy for Pest Prevention

Pest prevention is imperative for profitable plant production, and integrated crop management (ICM) is one of the best strategies to achieve it. Many growers find planning and implementing an ICM program can be daunting. However,... more »

OHP Miticide Now Labeled for Greenhouse Vegetables

OHP's has announced that its Shuttle O miticide may now be used on fruiting vegetables grown in a greenhouse.The new labeling allows for use on greenhouse-grown fruiting vegetables including eggplant, groundcherry, pepino, pepper, tomatillo, and... more »

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GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.
Ben Vliestra
Sidney Phelps
Jennifer Moss
Daniel Norden
W. Garrett Owen
Jessica Montgomery
Elien Peters
Rose Oberholzer
Nikki Melin

January 2021 GPN
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