Cucumber downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been found in a commercial cucumber field in Johnston County. The first report in North Carolina was made on June 8 of 2020 on a related post with management information. Approximately 25% of the field was infected at 40% disease severity. The recent rains […]
Cucumber downy mildew (CDM) was confirmed on a cucumber sample from a production field in Wilson County on June 8 of 2020. Leaves presented approximately 20% disease (Figure 1 and 2), and 30% of the field was affected.
In early 2020, CucCAP Vegetable Pathology and Crop Production Extension Specialists published plant disease management reports and Cucurbit cultigen evaluations from recent field trials. These reports provide valuable information for cucurbit crop producers, seed companies and other CucCAP stakeholders. The 2019 Plant Disease Management Reports provide disease resistance information for downy mildew on cucumber, Phytophthora […]
Evaluations include control of Downy mildew on cucumber, Downy mildew on squash and Phytophthora fruit rot on squash
2-day training focused on production of tomatoes and cucumber in the greenhouse Program Agenda Day 1 Jan. 22 1:00-1:30 University Variety Selection of Vegetables for the Greenhouse, Dr. Chris Gunter, NC State 1:35-1:50 University Disease Management of Cucumber in the Greenhouse, Dr. Lina Quesada, NC State 2:10-2:55 Lighting Requirements, Dr. Ricardo Hernandez, NC State University […]
“I really wanted a job that had application but would also allow me to use all the tools I have learned through my career, from field research to genomics, then be able to apply that to solve problems for growers,” she said. “I also really just love vegetable crops.” In pickling cucumber, the biggest concern […]
Characteristic symptoms include angular, chlorotic lesions on the upper surface of cucurbit leaves and gray sporulation on the underside of the leaves. Sporangiophore structures typical of Pseudoperonospora cubensis, causal agent of CDM, can be observed using a hand lens or under a dissecting microscope. Continue Reading
Evaluations include control of downy mildew on cucumber and fusarium wilt on watermelon.