In standard greenhouse fertilizers, nitrogen is supplied as ammonium, nitrate, or urea. Each of these three nitrogen sources, when taken up by plant roots, produces different chemical reactions with differing effects on the growing medium pH.
While there’s no immediate cause for alarm, experts say the cicada’s egg-laying process can damage woody ornamentals and make them vulnerable to diseases.
The use of plant growth regulators may negatively influence the outcome of biological control programs, according to researchers at North Carolina State University.
The company is now producing Orius insidiosus, Dalotia coriaria, and Dicyphus hesperus at its California facility, reducing the transit time of perishable biocontrols between producer and grower.
While the Environmental Protection Agency conducts preliminary risk assessments of neonicotinoid pesticides and retailers phase them out, the industry focuses on promoting pollinator gardens.
Biocontrols are useful alternatives to traditional pesticides that provide effective pest control in the greenhouse. Here are four ways to get started successfully.
John Wendorf, who previously managed BFG Supply’s grower division, says when Bayer launches into the ornamentals market this November, growers will have access to a wealth of resources, including a dedicated team focused on ornamentals growers.
Featuring the active ingredient cyantraniliprole, Mainspring GNL provides broad-spectrum control of key pests, such as thrips, whiteflies, aphids, caterpillars, leafminers, and leaf-feeding beetles.
High relative humidity and low temperatures in the greenhouse open the way for Botrytis to develop on plants. A mix of cultural and fungicide control options will help you manage this common disease effectively.
