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Plant Health

EPA registers Syngenta Vykenda for ornamental growers

Syngenta has received federal registration from the U.S. Environmental Protection Agency for Vykenda insecticide-miticide for use in ornamental production, the company announced Dec. 19, 2025. Vykenda introduces a new class of chemistry for the ornamental... more »

EPA approves Biotalys biofungicide for US growers

Biotalys has received U.S. Environmental Protection Agency approval for EVOCA, its first biofungicide, marking the company’s initial U.S. regulatory clearance for a protein-based fungicide. EVOCA targets botrytis, commonly known as gray mold, and powdery mildew... more »

Bgreen releases organic pruning tool care spray

Bgreen, a California-based company producing sustainable agriculture products, has introduced RETAIN, an organic fluid designed to clean and maintain pruning tools. The product is available through Amazon and Walmart.com. According to the company, pruning tools... more »

Mealybugs feeding on the underside of a red leaf

Mealybug management: Have we reached an impasse?

Answer: A waxy coating, quick reproduction and overlapping generations can make control tough. Mealybugs are one of the most challenging insect pests to manage in greenhouse production systems. The female mealybug life cycle consists of... more »

EPA proposes approval for Biotalys Evoca biofungicide

The U.S. Environmental Protection Agency has issued a proposed registration decision to approve Biotalys’ first biofungicide, Evoca, marking a major regulatory milestone for the Belgium-based agricultural technology company. The proposed approval opens a 15-day public... more »

Syngenta receives EPA approval for Trefinti nematicide, fungicide

Syngenta has received federal registration from the Environmental Protection Agency for Trefinti nematicide/fungicide, a new product designed to control nematodes and certain plant diseases in ornamental crops. State registrations are in progress, and product availability... more »

Atticus introduces 69 brand alternatives for 2026

Atticus has announced the introduction of 69 brand alternatives for Market Year 2026 as growers continue to face an agricultural recession and end-users manage tighter budgets. The company says the additions are designed to offer... more »

Biotechnology engineer examining plant leaf for disease

UF offers November online courses in climate, disease management

The University of Florida will offer two online greenhouse training courses focused on climate and disease management, running Nov. 10 to Dec. 12, 2025. The courses are designed for greenhouse and controlled-environment growers seeking to... more »

GPN's Pest and disease survey marketing graphic

Together we grow: Share your pest and disease challenges with us

The 2026 Pest & Disease Survey is designed to gather timely, actionable insights from greenhouse and CEA growers about the pest and disease challenges they faced in 2025, and what they anticipate in 2026. You’ll... more »

Smarter watering, healthier plants

Delivering practical skills for irrigation and tissue culture success Paul Fisher, Extension specialist in floriculture and greenhouse production at the University of Florida in Gainesville, Florida, will present two sessions at the Great Lakes Fruit,... more »