Options Available for Management of Gummy Stem Blight

Jim Rogers Disease, Watermelon

Gummy stem blight disease pressure has been light so far this season in North Florida watermelons. That trend may soon be changing, however. Bob Hochmuth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Regional Specialized Extension agent in Live Oak, Florida, confirmed this week that gummy stem blight disease is beginning to become a problem for Florida watermelons. …

UF/IFAS Strawberry Specialist: Lack of Neopestalotiopsis a Blessing for Producers

Jim Rogers Disease, Research, Strawberry

By Clint Thompson A drier year meant a good production season for Florida strawberries regarding a lack of diseases. A state known for its high-quality strawberry crop was ravaged in prior seasons because of neopestalotiopsis fruit rot disease. But rainy seasons exacerbated the problem. This year’s dry weather led to minimal disease impact, said Vance Whitaker, University of Florida Institute …

What’s Happening? Alabama Extension Plant Pathologist Provides Disease Update

Jim Rogers Alabama, Disease, Tomatoes

By Clint Thompson There have been no signs of downy mildew disease in Alabama vegetable crops, while tomato spotted wilt has been observed in one tomato field. Those are observations shared by Ed Sikora, professor and Extension plant pathologist in the department of entomology and plant pathology at Auburn University. One of the main points so far this season is …

Botrytis Resistance Testing Key for Strawberry, Grape Producers

Jim Rogers Disease, Grapes, Strawberry

By Clint Thompson A University of Georgia Extension fruit disease specialist encourages grape and strawberry producers who are concerned that botrytis resistance is developing to their fungicides to comply with testing procedures at Clemson University. Phil Brannen stresses that growers should be concerned with potential resistance forming to the botrytis disease. “Botrytis as a fungus is more adept at developing …

Strawberry Growers Could Benefit From UF/IFAS Research into Powdery Mildew

Jim Rogers Disease, Research, Strawberry

Strawberry farmers worldwide may get help from new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research that shows a way to battle one of the fruit’s fiercest foes. The key: combine genomic data with phenomics. The genome amounts to all the DNA in an organism. Phenomics is the study of plant growth, performance and composition. Through phenomics, …

Disease Update for North Florida Watermelons

Jim Rogers Disease, Florida, Watermelon

By Clint Thompson Downy mildew disease has yet to make an appearance in North Florida watermelons this year. Bob Hochmuth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Regional Specialized Extension agent in Live Oak, Florida, hopes it remains that way. “We’re keeping a really close eye on (downy) because that’s the next one that if we don’t …

Fusarium Wilt of Watermelon in Georgia: An Overview and Research Update

Jim Rogers Disease, Research, Watermelon

By Bhabesh Dutta Fusarium wilt has emerged as a chronic problem in watermelon-growing regions in the United States, including Georgia. The disease has been responsible for significant pre- and post-harvest losses in yield and quality. Fusarium wilt is caused by the fungal pathogen Fusarium oxysporum f. sp. niveum (FON). DISEASE SYMPTOMSIn the field, symptoms typically start within two to three …

Hot and Dry: Weather Conditions Not Conducive for Pecan Scab Development

Jim Rogers Disease, Pecan, Weather

By Clint Thompson What a difference a year has made so far for Georgia pecan producers. Unlike last season when persistent rainfall forced growers to be active in their fungicide applications, this year’s dry conditions have allowed farmers to be more conservative in their scab sprays. “It could not be any better. Everybody should have their irrigation running,” University of …