By Clint Thompson A management practice as simple as weed control can help grape producers reduce grape root borer populations. The grape root borer is an annual pest that can devastate a grape crop. Its larvae feed on the roots of grape vines. They have a two-year life cycle and will feed underground on the roots for nearly 22 months. …
New Viruses to Watch for in Watermelon and Other Cucurbits
By Pamela D. Roberts Whitefly-transmitted viruses are the major disease problem for watermelons grown in South Florida. For the past few decades, whitefly-transmitted viruses have included squash vein yellowing virus (SqVYV), cucurbit leaf crumple virus (CuLCrV) and cucurbit yellow stunting disorder virus (CYSDV). A HISTORY OF VIRUSESAlthough SqVYV was first identified from squash in Florida in 2005, it had most likely been …
Giant Pestiferous Lizards a Threat to Fruits and Vegetables in South Georgia
By Rick Lavender for CAES News Warming temperatures will have tegus on the move in southeast Georgia. Residents and farmers are asked to report sightings of tegus, alive or dead. This is needed to keep the big, South American lizards from gaining a foothold in the state, according to the Georgia Department of Natural Resources (DNR). These reptiles, the largest …
Florida Strawberry Producer: Chilli Thrips, Spider Mites Were Major Problems
By Clint Thompson Ideal weather conditions led to diseases being a non-factor in Florida strawberry production this year. But two insect pests were very impactful, says one Florida farmer. “What we did have problems with were the chilli thrips. They just ate us up from day one and we never gained control of it in some blocks,” said Dustin Grooms, …
Blueberry Management: What to Remember for April
Blueberry harvests are well underway across Florida. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) experts provide blueberry management tips that growers need to be mindful of in April. Since it is harvest season, farmers need to harvest their crop promptly and cool the ripe fruit. Growers can use the Blueberry Advisory System (BAS) at www.agroclimate.org/BAS, to determine if …
Whitefly Populations Vary Across Florida
Whitefly populations are high in some areas in the southern region of Florida, while low in other spots, according to the South Florida Pest and Disease Hotline. Populations are increasing but are still low in tomatoes and squash in central Florida. Higher levels of adults and nymphs are reported in tomatoes, melons and squash in southwest Florida. Whitefly populations range …
Improving Pre-emergent Herbicide Use in Vegetable Row Middles
By Ramdas Kanissery, Ruby Tiwari and Nirmal Timilsina Weeds are problematic in vegetable production as they compete with crops for nutrients, water and other resources. Weeds that emerge in the spaces between the raised beds (row middles) not only serve as hosts for pests and diseases but can potentially interfere with farm operations (Figure 1). Weeds can negatively affect field …
Potential Solution for Grape Root Borers?
By Clint Thompson There could be another tool in the toolbox for producers in the management of grape root borers. Brett Blaauw, assistant professor at the University of Georgia (UGA) College of Agricultural and Environmental Sciences, has one year of research in studying entomopathogenic nematodes. He discussed the positive impact the nematodes had on the grape pests. “At least the …
Ambrosia Beetle Management Key for Young Pecan Trees
By Clint Thompson University of Georgia Extension pecan specialist Lenny Wells reminds producers about the susceptibility that young trees have to ambrosia beetle damage. “This is the time that they’re out, with the warm weather that we’ve had. They’re out flying. We’ve had reports of some out and hitting trees already. It’s not surprising,” Wells said. “This is when they …
ABT Populations Low Across South Florida
Asian bean thrips (ABT) populations remain low across the South Florida region, according to the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Scouting detected ABTs at a rate of less than 0.1 per bloom across most of the monitored fields. The one exception was eastern Immokalee, where populations reached 0.5 per bloom late in the crop cycle. …