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6 publication requests found.
Tractor speed and concentration of active ingredient affects the incidence and severity of scab on peach fruit
Peach scab (caused by Venturia carpophila) lesions on fruit result in market downgrade and monetary losses. Regular fungicide applications are required to reduce infection. Total spray volume, as affected by tractor speed at constant rate of active ingredient (a.i.) was investigated as a variable af...
Thiamethoxam seed treatments reduce foliar predator and pollinator populations in sunflowers, and extra-floral nectaries as a route of exposure for seed treatments to affect the predator, Coleomegilla maculata
Neonicotinoid seed-treatments are used frequently in sunflower production to prevent early-season herbivory, and have been implicated in declines in non-target species. Over three site-years, both insecticide treated (Cruiser®, rate: 0.25'mg a.i. (thiamethoxam)/seed) and untreated sunflower (Heliant...
Prohexadione-calcium rate and timing effects on alfalfa interseeded into silage corn
Prohexadione-Ca (PHD) can enhance establishment of alfalfa (Medicago sativa, L.) interseeded into silage corn (Zea mays, L.), but optimal application rates and timing for this growth regulator are unknown. Two experiments examined how single or split applications of 0.25 to 1.0 kg a.i. ha-1 of PHD o...
Efficacy of various application methods of fluensulfone for managing root-knot nematodes in vegetables
Fluensulfone is a new nematicide in the flouroalkenyl chemical group. A field experiment was conducted in 2012 and 2013 to evaluate the efficacy of various application methods of fluensulfone for control of Meloidogyne spp. in cucumber (Cucumis sativus). Treatments of fluensulfone (3.0 kg a.i./ha) ...
Field evaluation of four spatial repellent devices against Arkansas rice-land mosquitoes
Four commercially available spatial repellent devices were tested in a rice land habitat near Stuttgart, Arkansas after semi-field level assessments had been made at the Center for Medical, Agricultural, and Veterinary Entomology, ARS, USDA in Gainesville, FL. OFF! Clip-On® (a.i. metofluthrin, S.C....
Pyriproxyfen and house flies (Diptera: Muscidae): effects of direct exposure and autodissemination to larval habitats
Adult house flies (Musca domestica L.) that were exposed as young flies to filter paper (3.75 % a.i.) or sugar (0.01-0.1 %) treated with pyriproxyfen produced significantly fewer F1 pupae than untreated flies but adult emergence success from pupae was unaffected. In contrast, treatment of larval re...