Downy Mildew Disease Control Options

Clint Thompson Disease, South Carolina, Top Posts

Clemson Plant Pathologist Tony Keinath reports in the The South Carolina Grower that conditions are favorable for downy mildew disease to start on collards and kale. Control methods must be effective to increase crop yields. Keinath recommends the following practices to maximize control: Rotate crops to new fields every year, since downy mildew disease in brassicas can survive in the …

UF Citrus Breeder: Greening Inevitable for North Florida, South Georgia

Clint Thompson Citrus, Disease, Florida, Georgia, Top Posts

By Clint Thompson It’s not a question of if citrus greening disease will be an issue for North Florida and South Georgia citrus producers but when will it be. Fred Gmitter, a University of Florida citrus breeder, believes the disease’s impact in both areas is inevitable. He shared his assessment during Thursday’s Cold Tolerant Citrus Production Workshop in Perry, Florida. …

Disease Development: Phytophthora Root Rot a Concern in Georgia Citrus

Clint Thompson Citrus, Disease, Georgia

By Clint Thompson A saturated summer across the Southeast means more potential for development of phytophthora root rot disease in citrus trees. The impact on Georgia’s young trees could be devastating, says Jonathan Oliver, (UGA) assistant professor and small fruits pathologist. Oliver implores Georgia’s citrus producers to stay vigilant in their fungicide sprays, as the wet conditions have not let …

A Lot to Learn: Two New Viruses a Concern for Florida Watermelon Industry

Clint Thompson Disease, Florida, Top Posts, Watermelon

By Clint Thompson Two new watermelon viruses discovered recently in Texas are now a concern of Florida producers. As if South Florida growers did not have enough diseases to concern themselves with, these two new viruses are now on growers’ and industry leaders’ radar. Pam Roberts, professor of plant pathology and state Extension specialist for vegetable pathology at the University …

Bacterial Spot Disease Worsening for Florida Tomatoes

Clint Thompson Disease, Florida, Tomatoes

According to the South Florida Pest and Disease Hotline, bacterial spot disease in tomatoes is worsening daily in Central Florida and North Florida. Infections are beginning to move up the plant. Bacterial leaf spot has started in early tomatoes in the Immokalee, Florida area. Progression is similar to what scouts have observed in the Manatee County area. According to UF/IFAS, …

Alabama Extension Provides Tips for Controlling Pestalotia in Strawberries

Clint Thompson Alabama, Disease, Florida, Georgia, Strawberry, Top Posts

Alabama Extension provides tips to strawberry growers looking to protect their crops this year against Pestalotia, a leaf spot and fruit rot disease caused by the fungus Neopestalotiopsis. The disease that has recently wreaked havoc on strawberry producers in Florida and Georgia is a threat to Alabama strawberries. It affects the plant roots, crown, leaves and fruit and eventually leads …

All Things Considering: Georgia Pecan Crop Good Amid High Scab Disease Pressure

Clint Thompson Alabama, Disease, Georgia, Pecan, Top Posts

By Clint Thompson The earliest pecan varieties are a couple of weeks away from harvest. As Georgia growers and industry leaders take stock of this year’s crop, fortunately, it is not as bad as it could have been, says Lenny Wells, University of Georgia Cooperative Extension pecan specialist. “It’s certainly worse than we’d like it to be. Really, considering all …

fungi

Fumigation a StopGap Measure for Fusarium Wilt, Nematodes in Tomatoes

Clint Thompson Disease, Florida, Tomatoes, Top Posts

By Clint Thompson Fumigation remains a key component of a Florida tomato grower’s management program for nematodes and fusarium wilt disease. It is just not the silver bullet. Gary Vallad, professor of Plant Pathology at the UF/IFAS GCREC, stresses that fumigation programs that producers implement are just a stopgap measure until resistant varieties are developed. “This is something we’ve been …