GAINESVILLE, Fla. (UF/IFAS) — Last year, the Citrus Expo event broke new ground by adding a day-long program devoted to vegetables and specialty crops, curated by experts with the University of Florida Institute of Food and Agricultural Sciences. This year, when the program returns to Citrus Expo Aug. 14-15 at the Lee County Civic Center in North Fort Myers, organizers …
Muscadine Grape Pest Problems
By Karla Arboleda Muscadine grapes are native crops to the deep Southeast and are naturally resistant to some pests. Among other pests, grapevine aphids and grape root borers tend to be the most common problems when growing muscadine grapes. Oscar Liburd, a professor at the University of Florida Institute of Food and Agricultural Sciences and fruit and vegetable entomologist, says …
Pepper Weevil Prevention
By David Riley and Alton Sparks The pepper weevil (Figure 1) is one of the most serious pests of peppers in the Americas. This weevil was introduced into the United States from Mexico as early as 1904(Elmore et al., 1934). The weevil can effectively shut down pepper production if not controlled early enough in the growing season. Even with the …
Dealing with Spider Mites During Drought
By Karla Arboleda Spider mites will feed on crops when the weather is hot and dry, but growers should use cultural control tactics before considering pesticides. Droughts raise the likelihood of seeing spider mites, but so does using pesticides that kill beneficial spider mites. Ayanava Majumdar, Extension entomologist with the Alabama Cooperative Extension System at Auburn University, says spider mites …
EPA Registers Long-Term Uses of Sulfoxaflor While Ensuring Strong Pollinator Protection
Registration provides benefits to growers and is supported by strong science that shows minimal risks for pollinators. The U.S. Environmental Protection Agency (EPA) is issuing a long-term approval for the insecticide sulfoxaflor— an effective tool to control challenging pests with fewer environmental impacts. After conducting an extensive risk analysis, including the review of one of the agency’s largest datasets on …
Scouting and Managing Spider Mites in Vegetables
AUBURN UNIVERSITY, Ala. – Summertime can be a productive season for growing vegetables. However, it is also a time that can be hot and dry. These are the perfect conditions for spider mites, pests that can cause widespread damage quickly. When present in high numbers, they can be pests for many aspects of farming. There are many species of spider …
Whitefly Management Methods
By Hugh Smith The silverleaf whitefly (Bemisia tabaci) transmits tomato yellow leaf curl virus in tomatoes. The pest also transmits three viruses to cucurbits, including squash vein yellowing virus, which causes watermelon vine decline. In addition to virus transmission and contamination, the silverleaf whitefly induces irregular ripening in tomato and the silverleafing in squash that gives it its common name. …
Battling Silk Flies in South Florida Sweet Corn
By Julien Beuzelin South Florida sweet corn growers continue to face two major insect problems: fall armyworms and corn silk flies. The two pests can be devastating, but corn silk flies are more challenging to manage than fall armyworms under current production practices. Three silk fly species have been reported to cause the majority of the damage: Euxesta eluta, Euxesta …
Bags Protect and Improve Peaches
By David Campbell and Danielle Treadwell Peach growers have rediscovered a tool to add to their integrated pest and disease management toolbox — a unique paper bag. Easy to install and remove, the bag has extra durability to withstand wind and rain throughout the season. And if our data is consistent with previous observations, bagging may be affordable for many …
Diamondback Moth Update
Diamondback moth (DBM) has been a menace for brassica growers around the globe for decades. After a major outbreak in 2016, the issue became much more prevalent in Florida and Georgia. So, researchers from the University of Florida (UF) and the University of Georgia (UGA) have recently been studying how resistant these pests have become to commonly used insecticides. Hugh …