Downy Mildew Alert: Alabama Pumpkin Growers Be Wary of Disease

Clint Thompson Alabama, Cucurbits, Disease, Top Posts

By Clint Thompson Increased rainfall this summer has one Alabama plant pathologist concerned about downy mildew disease on the state’s pumpkin crop. Ed Sikora, professor and Extension plant pathologist in the Department of Entomology and Plant Pathology at Auburn University, says growers need to be wary of the disease since the weather is conducive to its development. “I would say …

New Viruses Detected in Florida Melons

Clint Thompson Cucurbits, Disease, Florida, Top Posts, Watermelon

IMMOKALEE, Fla. — Florida’s watermelon producers face two new viruses. But it is important to remember that finding a disease is the first step to managing it, says a University of Florida scientist who helped diagnose both diseases. “Now that it is known that there are additional (watermelon) viruses in the mix, efforts can be made to determine their impacts …

Gummy Stem Blight: How to Prepare for Disease in Fall Cucurbit Crops

Clint Thompson Cucurbits, Disease, South Carolina, Top Posts

Source: The South Carolina Grower From Clemson Plant Pathologist Tony Keinath. Gummy stem blight is more common and more severe on fall cucurbit crops than crops grown in the spring. The cooler weather and longer dew periods in the fall provide an ideal environment for the fungal pathogen to grow and spread. Gummy stem blight is most common on watermelon …

Wet Summer to Impact Fall Crops

Clint Thompson Cucurbits, Disease, Georgia, Weather

By Clint Thompson Persistent rainfall in summer and early fall may favor conditions for foliar and soil-borne diseases in vegetable crops, particularly those that are caused by water molds or oomycetes, says Bhabesh Dutta, University of Georgia Cooperative Extension vegetable plant pathologist. “Saturated soils can promote damping off, seedling blight and root rot in transplanted vegetables, especially in low lying …

Downy Mildew Disease Detected on Watermelon in Georgia

Clint Thompson Cucurbits, Disease, Georgia, Top Posts, Watermelon

According to the University of Georgia Extension vegetable blog, downy mildew disease has been detected on watermelon in Ben Hill County, Georgia. Downy mildew is among the top diseases of cucurbit crops, like cucumbers, watermelon, squashes and pumpkins. It can destroy plant foliage and cause the leaves to curl and die. This leaves the plant vulnerable to blisters and sunscald …

Managing Whitefly-Transmitted Viruses in Georgia

Ashley Robinson Cucurbits, Tomatoes, Top Posts, VSCNews magazine

By Bhabesh Dutta and Rajagopalbabu Srinivasan The silverleaf whitefly (Bemisia tabaci), also known as sweetpotato whitefly, is a pest of several horticultural and agronomic crops in southern Georgia. While direct feeding can injure plants and lead to problems such as silvering of leaves, deposition of honeydew and formation of sooty mold, whiteflies also can transmit numerous devastating plant viruses. Transmission …

Disease Alert: Cucurbit Growers Be Mindful of Powdery Mildew

Clint Thompson Cucurbits, Disease, Georgia, Top Posts

By Clint Thompson Not all plant diseases need moisture to become problematic. Some cucurbit farmers in Georgia are finding that out with powdery mildew. The extended dry period in Georgia has allowed powdery mildew to flourish. Bhabesh Dutta, University of Georgia Cooperative Extension plant pathologist, said there is a moderate level of concern among producers, though there are effective fungicides …

Imports Continue to Challenge Cucumber Market

Clint Thompson Cucurbits, Exports/Imports, Florida, Georgia, Top Posts

Florida and Georgia remain two of the leading cucumber-producing states in the country. Along with Michigan and North Carolina, they harvest more than 60% of the nation’s fresh market acres, according to USDA Vegetable and Pulses April Outlook. However, imports continue to challenge the two states for market supremacy, accounting for more than three-fourths of domestic availability, up from less …