How can growers living with this devastating disease of cucurbits, peppers and tomatoes produce a harvestable crop? Dr. Smart works on the “Phytophthora farm” at Cornell University, land which is dedicated to researching solutions growers can use to deal with this disease.
“Pseudoperonospora cubensis has two types of isolates or clades that preferentially infect certain cucurbit crops. In North Carolina, clade 2 isolates preferentially infect cucumbers and cantaloupes, while clade 1 isolates preferentially infect squash, pumpkin, and watermelon.” Continue Reading
“This disease can occur anywhere throughout the eastern US, even in a garden with just one cucumber plant and no past occurrences. This is because the pathogen spreads via wind-dispersed spores that can be moved long distances and be deposited by chance anywhere.” Continue Reading
Squash, cucumbers, and pumpkins experienced disease pressure from plant viruses, powdery mildew, fusarium, and phytophthora in Michigan during the week of August 13 to 19, 2020.
Team members: Jonathan Schultheis (N. Carolina St.Univ.), Mary Hausbeck (Michigan St. Univ.), Angela Linares (Univ. Puerto Rico), Jim McCreight (USDA, ARS), Lina Quesada (N. Carolina St. Univ.), Chris Smart (Cornell Univ.), Linda Wessel Beaver (Univ. Puerto Rico) 3.2.1 Develop a centralized cucurbit disease website. The CucCAP website (http://cuccap.org) provides cucurbit disease management information, lists of […]
CucCAP vegetable pathologist, Lina Quesada – Ocampo discussed vegetable diseases including Fusarium wilt of watermelon at the December 2019 Ag Expo sponsored by the NC Vegetable Grower’s Association. Highlights of her talk were featured in the July 2020 issue of Vegetable Grower’s News. Continue Reading
Downy mildew on cucumber plants has been verified on two farms in Monroe County, which is located in southeast Michigan. This is the first confirmation of this devastating disease on the east side of the state for 2020. Continue Reading
Downy mildew on cucumber has been verified in Berrien County, which is located in southwest Michigan.