Plant Health

OHP Redesigns PGR Calculator App

OHP has redesigned its Plant Growth Regulator (PGR) Calculator app. The new version, PGR Calculator v2.1, contains many of the same features as the previous version and now runs faster and works on all iOS... more »

Researcher Develops Weed Control Method Using Steam

An Agricultural Research Service (ARS) horticulturist is exploring an alternative method for controlling weeds in greenhouse propagation systems by using steam or hot water to kill weed seeds. James Altland and his colleagues at ARS... more »

Syngenta Introduces New Online Resource for Growers

Syngenta recently launched a new online resource for greenhouse and nursery growers containing rotation and agronomic programs for a variety of crops. The programs were developed for common and problematic insects and diseases, including downy... more »

Bee On the Lookout for New Pollinator Education Resources

As growers and retailers are continually looking for answers to consumers’ questions about pollinators and bee health issues, it can sometimes be difficult to have all the right answers. The Horticultural Research Institute (HRI), the... more »

OHP Introduces New biosolutions Line

OHP has introduced OHP biosolutions product line to serve the greenhouse and nursery market including vegetable and herb production.  This new line of  products is specifically designed to address the expanding segment of growers who use biological... more »

New Ovicide/Miticide Introduced

OHP has introduced a new ovicide/miticide. Applause ovicide/miticide (clofentezine) provides long-term control of eggs and immature stages of two-spotted spider mites and other mites such as Pacific, European red, and yellow spider mites. When used... more »

ChemChina Extends Date to Close on Syngenta Deal

ChemChina has extended its offer to buy Syngenta until April 28. Previously, the deal was expected to close in early March. The company said in a statement, "As previously stated, extensions to the tender offers... more »

Vestaron, OHP Sign Marketing Agreement

OHP, a marketer of crop protection solutions for the production ornamentals market, will partner with Vestaron Corp. of Kalamazoo, Michigan. Under the terms of the agreement effective immediately, OHP will market SpearO, a greenhouse bioinsecticide... more »

Latest Photos see all »

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.

75 Applewood Drive, Suite A
P.O. Box 128
Sparta, MI 49345

Interested in reading the print edition of Greenhouse Product News? Preview our digital edition »

Get one year of Greenhouse Product News in both print and digital editions for free.

Subscribe Today »

Be sure to check
out our sister site.
website development by deyo designs