The latest info on plant pests, pathogens, and weeds.

Archive for September, 2008

Asian Longhorned Beetle Regulated Area – Updated

The regulated area for the Asian longhorned beetle infestation has been expanded. The updated area includes all of the city of Worcester, and parts of the towns of Boylston, Holden, Shrewsbury, and West Boylston. Download the latest map here, or visit the official Massachusetts ALB Eradication Program page for more information.

Chrysanthemum White Rust detected in Massachusetts

Chrysanthemum white rust (Puccinia horiana, “CWR”), a serious fungal disease of chrysanthemums, has been discovered in Massachusetts. Infected plants were found at nurseries and at retail locations, with diagnoses confirmed by plant pathologists from USDA APHIS-PPQ. This pathogen can spread quickly in greenhouse and nursery environments, causing severe crop losses. Over the last 25 years, […]

Ruling out the Asian Longhorned Beetle

The Asian longhorned beetle attacks several different types of trees. For those of you who are concerned about this pest and who are just starting to examine your local trees, it can be overwhelming to think that every hole, pit and pile of sawdust you find could be ALB. Here are some tips that will […]