By Natalia A. Peres Pestalotiopsis is not necessarily new to strawberry. A strawberry fruit rot caused by Pestalotia longisetula (or Pestalotiopsis) was reported for the first timein Florida in 1972. However, the fungus has always been considered a secondary pathogen. But this was not the case during the past two strawberry seasons (2018–19 and 2019–20), when severe outbreaks were reported …
Hop Stunt Viroid Infecting Citrus Trees in Georgia
According to UGA Extension IPM blog, hop stunt viroid has been discovered in Georgia. Citrus production in Georgia is rapidly increasing each year. There are citrus plantings in backyards, production, and plant nurseries within at least 32 GA counties. The growth of citrus in Georgia is only expected to increase over time. However, there are some threats to expansion. Citrus …
Use Resistant Varieties When Possible to Protect Against Whiteflies
University of Georgia Cooperative Extension vegetable entomologist Stormy Sparks paints an ominous picture of the potential devastation whiteflies will have on this year’s fall vegetable crop. “We’re probably a month ahead of the last two years. This is going to be challenging fall for whiteflies,” Sparks said. Vegetable producers across the Southeast have either planted or are currently planting their …
Producers Be Aware of Phony Peach Disease
Peach producers need to be mindful of Phony peach disease. According to the UGA Peach Blog, Phil Brannen, University of Georgia Cooperative Extension plant pathologist, cautions growers that if a tree is diagnosed with the disease, they need to destroy the tree immediately. They also need to remove it from the orchard to prevent further spread of the Xylella fastidiosa …
Soil Sample for Nematodes Now
The time is now to soil sample for nematodes, says Pablo Navia, Adama Technical Development Leader for East Region. “This is the best time since populations of nematodes are really high right now in the soil. There’s still some roots that they are feeding on. This is the best time to sample,” Navia said. “It’s a good way to know …
Fungicide Resistance in Georgia Strawberry Fields
By Phil Brannen, Md Emran Ali, Jeff Cook, Sumyya Waliullah and Owen Hudson Anthracnose fruit rot disease, caused by fungal Colletotrichum species, is one of the most significant disease problems of commercial strawberry production in the Southeast. Dark, sunken lesions on fruit are the main disease symptoms (Figure 1). Hot, humid weather and significant rainfall make Colletotrichum-induced fruit rot a …
Protecting Peppers From Anthracnose
By Pam Roberts Anthracnose is a serious disease problem that can occur throughout pepper-growing regions worldwide. Extensive outbreaks of the disease have developed on bell and other specialty peppers types, such as hot peppers. The disease is more common when both the inoculum and warm weather combined with frequent rains occur. Fruit infections cause significant losses of either mature (red, …
Florida Citrus Growers Have New Tool to Fight Greening
By: Ruth Borger, 517-803-7631, rborger@ufl.edu LAKE ALFRED, Fla. — If information is power, Florida citrus growers have a new asset in their fight against citrus greening disease which has been impacting the state’s multi-billion dollar citrus industry. The University of Florida Institute of Food and Agricultural Sciences statewide citrus program launched a major revision of a website, providing instant access …
Clemson Extension Agents Provide Crop Updates
Clemson Extension agents provided updates in The South Carolina Grower this week about the status of various crops being produced throughout the state. Statewide Dr. Matt Cutulle reports, “It is always good to control goosegrass even if it is past the critical period for competition with the crop. Lack of late-season control made hand-harvesting tomatoes difficult. Also, there will be …
Supplemental Fumigation Strategies for Soilborne Pests, Diseases
By Ashley Robinson The phaseout of methyl bromide continues to stimulate research into the use of other soil fumigants for controlling soilborne pathogens, nematodes and weeds to an acceptable level for production. Researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are looking at ways to modify the current fumigation system to better reflect the distribution …