Plant Health

Penn State Extension

Penn State to Offer Online Pest & Disease Course

Penn State Extension is offering a new online course, Pest and Disease Management for Landscape Plants, for landscapers, horticulture professionals, avid gardeners, and anyone who wants to lean about managing plant health diseases, pests, insects,... more »

OHP’s Stahl to Retire in June

OHP has announced that Dan Stahl will retire as the company's vice president and general manager effective June 30. Upon his retirement, Troy Bettner, vice president and marketing and sales for OHP, will continue to... more »

American Vanguard to Integrate OHP into AMVAC Family

On April 6, American Vanguard Corp. and its subsidiary AMVAC Corp. announced  they are bringing their OHP Inc. subsidiary into the AMVAC Environmental Products (AEP) family to create a unified non-crop business entity within AVD.... more »

BASF to Publish All Pesticide Labels in Spanish

BASF has announced its entire greenhouse and nursery product portfolio will now be available in both English and Spanish. While no law requires manufacturers to provide Spanish versions of a pesticide label, BASF has identified... more »

Improve Rooting, Plant Establishment and Growth of Cuttings

As growers move each year to streamline their production systems, more are propagating their own cuttings. This can help reduce their costs and ensure timely availability of cuttings. There are two significant steps to successfully... more »

Powdery mildew

Perennial Problems with Mildew, Rust and White Smut

Herbaceous perennials are thought of as rough and tough once out in the garden, but when brought together in large groupings of one species in a greenhouse or nursery, they can be especially vulnerable to... more »

Citrus mealybugs

Tips on Mealybugs

Question: What are your recommendations regarding the management of mealybugs in greenhouse production systems? Answer: The question you ask is very appropriate and timely. In general, the common mealybug species encountered in greenhouse production systems... more »

Bayer Offering Special Pricing on Two Herbicides

The Turf and Ornamentals business of Bayer, part of the Environmental Science unit, is offering special pricing on Marengo herbicide and Marengo G herbicide this spring. Until April 30, 2021, customers can earn up to... 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.
Erica Hernandez
Emma Lookabaugh
Melissa Maguire
Cole Mangum
Oz Marshall
Meagan Nace
Tiffany Nohl
Chris Plane
Mike Prol

GPN June 2022 cover
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