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

Archive for November, 2008

New strain of Plum Pox Virus in Canada

The Canadian Food Inspection Agency (CFIA) is reporting that a new strain of Plum Pox Virus (PPV, Potyvirus) was discovered during the 2008 surveys for this pathogen in Canada. The strain, PPV-rec, had previously been found only in Europe. The discovery was made on plum rootstocks with grafted apricot, peach and plum branches, by an […]

Hydrilla in Hobomock Pond

The invasive plant Hydrilla (Hydrilla verticillata) was discovered this past summer in Hobomock Pond in Pembroke, Massachusetts, only the second known site in our state. A volunteer from the Department of Conservation and Recreation’s Weed Watchers Program made the discovery in August and contacted DCR biologists, who confirmed the identification. A survey of the pond […]

Asian Longhorned Beetle Invades Facebook!

The Asian longhorned beetle now has its own group on Facebook. Join up and show your support for the battle against this invasive, tree-destroying beetle. Members also get the latest ALB news, notices about upcoming outreach events, photos and more.

Untreated firewood from Canada now banned

The USDA’s Animal and Plant Health Inspection Service recently instituted a new regulation requiring that firewood imported into the US from Canada must be heat treated. This ruling, which applies to all hardwood (non-coniferous) trees, is meant to prevent the accidental introduction of non-native pests including the Asian longhorned beetle, the emerald ash borer, and […]