| Popis: |
The Siberian peashrub is a common ornamental shrub in Montana. Beginning in 2005, a powdery mildew was observed on samples from several counties. In 2012, samples were collected from Ravalli and Gallatin counties and identified as Microsphaera palczewskii. It was first reported from collections taken in Washington and Idaho and subsequently identified in Minnesota and North Dakota in 2006. This is the first report for Montana. Accepted for publication 11 February 2013. Published 27 March 2013. |
