Pests
USDA fires experts on invasive pests, including Asian citrus psyllid, chilli thrips
Among those who lost their jobs is Jonah Ulmer, a national taxonomist and the federal government’s foremost authority on thrips and psyllids.
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New Mainspring Xtra insecticide from Syngenta offers expanded insect control for ornamental crops
Two modes of action offer fast-acting and broader-spectrum insect control for greenhouse and nursery operations.
How plant architecture affects spray applications
Leaves, branches and stems of plants can block insecticide spray treatments, leaving growers with more pests and a need to spray more frequently. Learn how to account for plant architecture and overcome its effects.
Syngenta Professional Solutions announces two new active ingredients
Upon registration, plinazolin technology will provide a new insecticide active ingredient and mode of action, and tymirium technology will provide a new active ingredient for nematode and disease protection.
APHIS updates its Plants for Planting Manual
APHIS eases restrictions on importing citrus longhorned beetle and Asian longhorned beetle host plants from 21 European Union member countries and the United Kingdom.
EPA to host webinar on managing fungal diseases for ornamental plants
In this free webinar, participants will be introduced to common fungal diseases of ornamental plants and learn how to manage and prevent them.
Diamondback moth Plutella xylostella
This caterpillar is a dangerous defoliator.
Go systemic to stop red-headed flea beetles
New research shows how systemic insecticides protect container-grown nursery plants from this troublesome pest.
Questions with Nancy Rechcigl
Syngenta technical services manager explains how growers can achieve excellent control of chewing and sucking pests.
Clearwing borers
The caterpillar larvae of these insects bore into trees and shrubs, leading to decline and death.
HRI announces October tHRIve webinar focusing on Ambrosia beetle management tactics
Ambrosia beetles pose a significant threat to trees in ornamental nurseries, and these beetles tunnel into the heartwood of trees, where they cultivate and consume their fungal symbiont.
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