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You are here: Home / Archives for Plant Pests and Diseases

Minnesota enlists dogs against emerald ash borer

By Curt Kipp — Posted May 21, 2012

The invasive emerald ash borer, a 1/2-inch beetle, has carved a path of destruction through the American Midwest and the East Coast. But now Minnesota officials are trying something new to combat the pest:

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects Tagged With: Invasive species, Pests and Diseases

Friday webinar will bring update on boxwood blight

By Curt Kipp — Posted March 21, 2012

The American Nursery and Landscape Association (ANLA) will hold a webinar at 8 a.m. Pacific time, Friday, March 23, updating growers on the latest developments with boxwood blight (Cylindrocladium pseudonaviculatum). Growers who wish to participate must register in advance. The disease was first confirmed in the United States last fall, and causes defoliation and branch […]

Filed Under: Blights, Boxwood Blight, Plant Diseases, Plant Pests and Diseases Tagged With: Pests and Diseases

Asian longhorned beetle traps developed

By Curt Kipp — Posted March 14, 2012

Researchers have developed a trap (PDF) for luring in the destructive and much-feared asian longhorned beetle (ALB), which has no natural enemies as it cuts a path through neighborhoods and forests. The secret? Bug pheromones. Hat tip to “bug ladies” Suzanne Wainwright-Evans and Robin Rosetta for passing this information along.

Filed Under: Asian Longhorned Beetle, Beetles, Insects, Plant Pests and Diseases Tagged With: Invasive species, Pests and Diseases

Oregon takes proactive stance against boxwood blight

By Curt Kipp — Posted February 1, 2012

So far there has been just one detection of boxwood blight in Oregon nurseries, but growers are taking the pathogen very seriously, as Mitch Lies reports in the Capital Press (Salem, Ore.). The Oregon Association of Nurseries has been out front in getting information to its members, and is holding a special meeting on Friday, […]

Filed Under: Blights, Boxwood Blight, Plant Diseases, Plant Pests and Diseases Tagged With: Events, OAN, Oregon Department of Agriculture, Pests and Diseases

Box blight webinar set for Thursday at 8 a.m. PST

By Curt Kipp — Posted January 3, 2012

Cylindrocladium buxicola, a fungal blight afflicting boxwood shrubs, recently has been detected in several East Coast states. Experts believe it came over from Europe on infected plant material. At 8 a.m. Pacific time on Thursday morning, Jan. 5, Kelly Ivors of North Carolina State University will hold a free webinar to address this disease threat. […]

Filed Under: Blights, Boxwood Blight, Plant Diseases, Plant Pests and Diseases Tagged With: Education, Events, Extension, Pests and Diseases

Boxwood blight found in Eastern U.S. states

By Curt Kipp — Posted December 20, 2011

Reports indicate that a new fungal blight of boxwood has been detected in the Eastern United States. Cylindrocladium buxicola was isolated recently and confirmed by USDA in North Carolina, Maryland and other locations. The disease can have severe effects on boxwood, causing rapid and severe defoliation. It was first detected in the U.K. and had […]

Filed Under: Blights, Boxwood Blight, Plant Diseases, Plant Pests and Diseases Tagged With: Pests and Diseases, Regulations

Ag inspections suffered in wake of 9/11

By Curt Kipp — Posted October 17, 2011

If you fly on an airplane, then you have experienced firsthand how U.S. security priorities changed following 9/11. A huge new agency, the Department of Homeland Security, was created and given broad powers to stop terrorist threats. Passengers were treated to body imaging, patdowns and a thicket of regulations governing what they can and can’t […]

Filed Under: Cankers, Plant Diseases, Plant Pests and Diseases Tagged With: Native Plants, Pests and Diseases, Propagation, USDA

An enemy for the emerald ash borer

By Curt Kipp — Posted December 14, 2010

We don’t have the emerald ash borer in Oregon, and we hopefully never will. But this blog post talks about a new way of detecting fighting the tree-killing beetle — predatory wasps. Evidently the wasps will quickly find the beetle if it is present in the area. This definitely beats the method of watching for […]

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects, Plant Pests and Diseases Tagged With: Pests and Diseases

USDA awards $2.7 million for research into plant pathogens

By Curt Kipp — Posted November 16, 2010

The U.S. Department of Agriculture’s National Institute of Food and Agriculture has awarded group of colleges, led by Virginia Tech, a $2.7 million grant to conduct research on integrated management of zoosporic pathogens and irrigation water quality. Researchers will look for biological control methods for fighting Phythophthora, Pythium and other pathogens. Researchers will also “develop […]

Filed Under: Phytophthora, Plant Diseases, Plant Pests and Diseases, Pythium Root Rot, Root Rots Tagged With: Pests and Diseases, Phytophthora ramorum, Plants, Research, Sustainability, USDA, Water, Wholesale Nurseries

APHIS delays federal order on interstate plant shipments

By Curt Kipp — Posted June 18, 2010

The USDA Animal and Plant Health Inspection Service (APHIS) today has delayed the effective date of Federal Order DA-2021, which was announced May 27. It initially was scheduled to take effect on Monday, June 21, but now it officially has been pushed back to Monday, July 19. The order requires West Coast states to pre-notify […]

Filed Under: Phytophthora, Plant Pests and Diseases Tagged With: OAN, Phytophthora ramorum, Transportation, USDA, Wholesale Nurseries

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NURSERY NEWS

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