Entries tagged with: Late Blight

Late blight verified in Pasco area

On the Washington State University (WSU) Potato Pest Alert website Carrie Wohleb, WSU Extension educator, reports that late blight has been verified near Pasco, in Block 1 and Block 15. At this time the late blight genotype has not been identified. More late blight samples are needed to identify the genotype. Contact Dennis Johnson at 509-335-3753 or dajohn@wsu.edu to report, confirm or make a late blight diagnosis.

Late blight reported in Wisconsin

On June 23, 2015 late blight was confirmed in a commercial potato field in northern Adams County in Wisconsin. According to Amanda Gevens, University of Wisconsin-Madison assistant professor and Extension vegetable plant pathologist,  the field was at 40 percent emergence and the disease appeared to have been initiated by seedborne inoculum. For more information visit this website.

Late blight recommendations for 2015

Late blight has not been reported to date in Michigan but conditions remain conducive for late blight development according to a report released by Willie Kirk, Michigan State University associate professor of plant pathology and Extension specialist for potatoes and Noah Rosenzweig, Michigan State University associate professor. For more information on late blight conditions and effective management utilizing an integrated disease management approach visit this website. 

Syngenta continues late blight hotline for 2015

Syngenta is continuing its partnership with five universities to provide potato growers with the latest late blight disease updates in 2015. Updates from the five universities are available at the following telephone numbers: University of Idaho: 800-791-7195 Michigan State University: 888-379-9012 North Dakota State University: 888-482-7286 Oregon State University: 800-705-3377 Washington State University: 800-984-7400

Simplot’s Innate varieties achieve federal milestones

The first two generations of the J.R. Simplot Company’s genetically engineered (GE) Innate potato varieties achieved individual federal milestones.Generation one received a determination of nonregulated status from the USDA’s Animal and Plant Health Inspection Service (APHIS). The APHIS document has been published in the Federal Register on and is available online. The first generation of Simplot’s Innate potatoes includes Russet Burbank, Ranger Russet and Atlantic. The three GE varieties were developed with the following traits:…  » Read more

Idaho late blight continues to spread

Two fields with late blight in Idaho’s Fremont County have been confirmed. This brings the total number of Idaho counties reporting late blight to five, Madison, Bingham, Bonneville and Power counties being the others.             Jeff Miller, president and CEO of Miller Research, recommends protecting green, growing vines with fungicide applications.             If late blight is present in your field, Miller recommends a postharvest application of a phosphorous acid (phosphite) product going into storage at…  » Read more

Late blight continues to spread across eastern Idaho

Late blight continues to move across eastern Idaho potato fields. The first confirmation of late blight was in Bingham County on August 12. Since then, late blight has been confirmed in Bonneville County, Power County and Madison County. Phil Nolte, University of Idaho, Idaho Falls Extension seed potato specialist, said that weather conditions continue to be conducive for the development and spread of late blight. “Seems like every few years we run into the right…  » Read more

Late blight found in Idaho

Late blight was positively identified on a leaf sample brought to the University of Idaho’s Idaho Falls Research and Extension lab. The leaf sample came from Bingham County. Call the University of Idaho’s late blight hotline at 1-800-791-7195 for more information. Watch this space for updates and further information.

Late blight reported in Wisconsin

Late blight has been reported in Wisconsin’s Portage County. The strain is of the US-8 genotype. The US-8 genotype is resistant to mefenoxam/metalaxyl fungicides listed in FRAC Group 4. For more information visit this University of Wisconsin-Madison Extension website.

Toll-free potato blight hotlines

Syngenta, in partnership with five universities, once again will offer toll-free potato blight hotlines during the growing season.             The hotlines consist of researchers providing updates about current potato disease pressures during the growing season in each growing region.             The updates are provided by the following universities and are available at the corresponding phone numbers: University of Idaho: 1-800-791-7195 Michigan State University: 1-888-379-9012 North Dakota State University: 1-888-482-7286 Oregon State University: 1-800-705-3377 Washington State…  » Read more