Tomato late blight, caused by the oomycete Phytophthora infestans, was reported to NCSU Extension Agent on August 25, 2016 from a conventional tomato field in Buncombe County, NC. Symptoms were first observed on MORE » – from 
Extension Plant Pathology
A specific exemption section 18 label has been approved for using Mertect (thiabendazole) for control of black rot (caused by the fungus Ceratocystis fimbriata) postharvest on sweetpotatoes in North Carolina. You can find MORE » – from Extension Plant Pathology
Cucurbit downy mildew has been reported on pumpkin and cucumber in Ashe and Haywood Counties, respectively. Downy mildew, caused by the oomycete Pseudoperonospora cubensis, infects leaves and can result in significant yield loss. It was reported through the CDM MORE » – from Extension Plant Pathology
Late blight, caused by the oomycete Phytophthora infestans, was reported on tomato this week from 13 counties in Arkansas. The disease was first observed as early as May and June, but was not reported to MORE » – from Extension Plant Pathology
Programs to prevent and control early (Figure 1) and late leaf spots (Figure 2) will begin soon. In well rotated fields, the first fungicide spray for leaf spot control should be applied when MORE » – from Extension Plant Pathology
Downy mildew, caused by the oomycete Pseudoperonospora cubensis, has been reported in watermelon in North Carolina. It was observed in Nash county (June 17, 2016) and the field presented 5% incidence with each MORE » – from Extension Plant Pathology
Downy mildew, a devastating disease on cucumbers caused by the oomycete Pseudoperonospora cubensis, has been reported in North Carolina. It was observed on cucumber in Duplin (June 1, 2016) and Sampson (June 27, MORE » – from Extension Plant Pathology
Late blight, caused by the oomycete Phytophthora infestans, was reported this week from a tomato sample from Maryland. Further analysis of the sample by USAblight has determined that it belongs to P. infestans MORE » – from Extension Plant Pathology
Dr. Anthony Keinath, Vegetable Pathologist at Clemson University Coastal Research & Education Center, has informed us that powdery mildew was found this week on seedless watermelon at the Coastal Research and Education Center MORE » – from Extension Plant Pathology
In the past week we have seen a few cases of watermelon transplants with leaf spot symptoms (Fig. 1). Examination of samples at the NCSU Plant Disease and Insect Clinic has revealed that MORE » – from Extension Plant Pathology
