| regional and temporal population structure of pseudoperonospora cubensis in michigan and ontario. | cucurbit downy mildew (cdm), caused by the oomycete pathogen pseudoperonospora cubensis, is a devastating disease that affects cucurbit species worldwide. this obligate, wind-dispersed pathogen does not overwinter in michigan or other northern regions and new isolates can enter the state throughout the growing season. to evaluate the regional and temporal population structure of p. cubensis, sporangia from cdm lesions were collected from cucurbit foliage grown in michigan and ontario field locat ... | 2016 | 26735060 |