Plant Health
Editor’s letter: New tech, crop support lead in 2025
I want to thank you for joining Greenhouse Product News for another year! I hope 2025 is full of healthy plants, strong sales and minimal challenges for all. In 2024, GPN asked you, our readers,... more »
MANTS 2025 highlights horticulture industry connections
The 2025 Mid-Atlantic Nursery Trade Show (MANTS) welcomed 10,460 attendees, including exhibitors, to a sold-out floor with 923 exhibitors at the Baltimore Convention Center from Jan. 8-10. Although attendance dipped slightly from 2024 due to... more »
Editor’s letter: Rethinking business practices
Greenhouses aren’t so full of the hustle and bustle that comes with spring preparations now that winter is settling in. It’s a time to reflect and draw up plans for the coming season, and GPN... more »
What’s new in greenhouse cannabis research?
Stressing overall plant health, integrating beneficial microbes and organic nutrients not only promotes robust growth but enhances cannabinoid production, according to some of the latest research on the topic. Additionally, using sensors to monitor environmental... more »
Increased light intensity for cannabis
When it comes to light intensity, cannabis is different from other CEA crops. Bruce Bugbee, professor of crop physiology at Utah State University and president of Apogee Instruments, is conducting studies delivering 2,000 micromoles of... more »
The journey of spray-free cannabis plants
Sustainable and holistic farming has made an impact in the cannabis world. Autumn Brands in Carpinteria, California, has been at the forefront of creating 100% spray-free, clean cannabis. Three ingredients are at the heart of... more »
ICL launches Peters Professional Canna+ Fertilizer System for cannabis growers
ICL, a global company in specialty minerals and professional fertilizers, has introduced the Peters Professional Canna+ Fertilizer System, which is designed specifically for North American cannabis cultivators growing in a controlled environment. This new system... more »
Fact sheet addresses new plant disease
Throughout the past two years, nurseries in Virginia and surrounding states have observed an uptick in wilt and severe dieback on redbud, maple and dogwood — Virginia’s state tree. In some cases, almost 100% of... more »
Biobest Shares Tips for Cannabis Aphid Control
Cannabis aphid, Phorodon cannabis, is becoming a widespread pest with devastating effects on the crop. With only one host, cannabis and hemp, it affects plants by sucking sap and contaminating buds — making them unmarketable... more »
USDA to Start Pilot Program for Bioproducts
The USDA is accepting applications for a new pilot program supporting the development of biobased products, Agriculture Secretary Tom Vilsack announced Tuesday. Under this program, the USDA National Institute of... more »
