Whiteflies remain sporadic in areas across Florida, according to the South Florida Pest and Disease Hotline. Growers and scouts report populations are low to moderate in most areas in southwest Florida. Recent rainstorms help suppress some of those populations. Growers are also continuing to find whiteflies after heavy spray programs. Respondents indicate that whitefly infestations are widely present across central …
Georgia Producers Thankful for Dry Weather
By Clint Thompson The weather forecast for the foreseeable future is a sight for sore eyes for South Georgia vegetable and specialty crop producers. The summer was filled with persistent rains that caused saturated field conditions. Sunshine with minimal rain is in the forecast. That is welcomed news for producers who have already started planting their fall crops, says Ty …
Sanitation Remains Key in Whitefly Control
By Clint Thompson Sanitation of vegetable crops susceptible to whiteflies remains a key management strategy for Florida producers. Hugh Smith, an associate professor of entomology and nematology at the UF/IFAS Gulf Coast Research and Education Center, encourages growers to clean up their fields properly following harvest to reduce the risk of feeding damage and potential viruses. “If you don’t make …
Whitefly Populations Increasing in Georgia
By Clint Thompson Whitefly populations are on the rise in South Georgia. While their numbers are not overwhelming, they have increased in recent weeks, says Stormy Sparks, University of Georgia Cooperative Extension vegetable specialist. “Whiteflies have increased over the last week or so, not dramatically, but they’ve obviously increased. Phillip (Roberts) tells me in cotton there’s not high numbers, but …
Sanitation Key for Whitefly Management in Tomatoes
By Clint Thompson Planting season is under way for Florida’s tomato producers. Hopefully, farmers have done their due diligence and planned for whiteflies with proper sanitation of previous crops. That is one of the best management tactics growers can implement, says Hugh Smith, Associate Professor of Entomology and Nematology at the University of Florida Gulf Coast Research and Education Center. …
Fall Season Means Increased Risk for Florida Vegetable Producers
By Clint Thompson The dawn of another fall vegetable season in Florida means increased risk for producers, especially when compared to spring production. “The fall generally has more risk exposure than the spring does,” says Josh Freeman, University of Florida/IFAS Associate Professor in Horticultural Science. “You worry about whiteflies, you worry about tropical weather. You have all these things to …
Perfect Tomato? Plant Breeding a Challenge For Even the Best
By Clint Thompson University of Florida tomato breeder Sam Hutton can sometimes be in a no-win situation when trying to create a variety of the future. Between a consumer base that desires quality, and farmers, who crave quantity, it presents a challenging scenario. How do you keep farmers and consumers happy? It is almost impossible. “As you increase your sugars, …
Whitefly Time: Low Numbers Reported in Georgia
By Clint Thompson It is about that time of the summer that one insect becomes more noticeable for certain vegetable farmers and cotton producers. Right on cue, low whitefly infestations have been observed, explains University of Georgia Cooperative Extension vegetable entomologist Stormy Sparks. “Phillip (Roberts) told me (the other day) that he had one person report some yesterday, but really, …
Managing Whitefly-Transmitted Viruses in Georgia
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 …
Non-Factor: Whitefly Numbers Low So Far This Season
By Clint Thompson One pest that can have a devastating effect on vegetable crops in the Southeast has been a non-factor so far this production season. But that doesn’t mean growers should let their guard down against whiteflies. “We probably have the lowest populations we’ve had in several years coming out of winter vegetables, which is fantastic,” says Stormy Sparks, …