Whitefly pressure remains low to moderate in various locations throughout South Florida, according to the South Florida Pest and Disease Hotline. Respondents in the Manatee Ruskin area report seeing widespread infestations across all vegetables. Growers and scouts in Southwest Florida report that whitefly numbers remain low in tomatoes, though adult numbers have increased in multiple places. Nymphs are being observed …
Caterpillar Update in South Florida
According to the South Florida Pest and Disease Hotline, scouts in southwest Florida continue to find southern and beet armyworms, tomato fruitworms, loopers, hornworms and melonworms. Worms are active in a variety of crops in the Manatee Ruskin area. There is an increase in armyworm egg masses, and melonworms are being found in cucurbits. Respondents on the east coast report …
ABT Populations: Insect Not High Enough in Florida to Warrant Insecticide Use
Asian bean thrips (ABT) are at such low populations that growers are not recommended to apply insecticides at this point, according to University of Florida/Institute of Food and Agricultural Sciences. ABT have been detected via traps in southeastern Hendry County, at a rate of less than 0.03 ABT per trap per week. It is 1/10 of last year’s levels. They …
Biological Control: UF Research Testing New Measures for Mites in Blueberries
By Clint Thompson Biological applications may be Florida blueberry growers’ best management strategy for long-lasting control of mites. Oscar Liburd, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Professor and Fruit and Vegetable IPM Program leader, said resistance concerns are forcing researchers to consider alternative control measures. “One of the problems is that if we continue using the …
Sweet Corn Insect Management: Scouting Important Against Fall Armyworms
By Clint Thompson Scouting remains the main key for Florida sweet corn farmers in fending off fall armyworms this season. Julien Beuzelin, a University of Florida (UF) Institute of Food and Agricultural Sciences (IFAS) entomologist, said appropriate management of fall armyworms starts with making sure you have a problem to begin with. “For armyworms, scouting is very important because you …
AFBF Disappointed in EPA Revoking All Tolerances for Chlorpyrifos
By Clint Thompson Count the American Farm Bureau Federation (AFBF) among those organizations disappointed with the Environmental Protection Agency (EPA’s) ruling that revokes all tolerances for chlorpyrifos. The popular pesticide, also known as lorsban, is used in vegetable and specialty crop production like peaches, onions and sweet potatoes. Without chlorpyrifos’ availability, growers are left with less effective alternative products. Limited …
Whitefly Management Key for Alabama Producers
Alabama Extension reminds vegetable producers to be on the lookout for silverleaf whiteflies this fall. The pests have become more common during the fall in the Southeast. An increase in activity has led to a reduction in yields for vegetable crops. These include yellow squash, zucchini, tomato, cucumber and snap beans. Costly Impact Whiteflies feed on the leaves but also …
Caterpillar Pressure Varies Across Florida
Caterpillar pressure continues to vary across Florida, according to the South Florida Pest and Disease Hotline. Respondents in the Manatee-Ruskin region reported that populations are increasing. Melonworms in cucumber and squash were reported at moderate levels. Beet armyworms, cabbage loopers and a few hornworms were reported sporadically. Caterpillars have also been very active in the North Florida region. Scouts are …
Whitefly Infestations Vary Across Florida
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 …
Arthropod Pest Management in Conventional Strawberry Production
By Sriyanka Lahiri Crop rescue through a well-planned pesticide rotation program currently remains the most effective method of pest management in conventionally grown strawberries. However, close monitoring for pests should be conducted as the first line of defense, especially since most strawberry pests are not visible through unaided vision. Thrips Flower thrips immatures and adults can feed on the fruit …