We have received several questions about selection of fungicides, especially with regards to deciding between “curative” and “preventative” fungicides. People want to know if they should be applying a strobilurin fungicide, triazole fungicide, or a premix of both.
With both corn and soybean fields finally reaching the reproductive growth stages, decisions to apply foliar fungicides need to be made. On July 3, Alison Robertson wrote an article about foliar diseases on corn (see Robertson article) and XB Yang has weighed in on
Soybean rust scouting in sentinel plots across the U.S. creates information for the real-time USDA ipmPIPE Web site. This spring, 20 sentinel plots have been established across Iowa.
A sample of coral bean has tested positive for Asian soybean rust. Read more
In 2004, the Soybean Rust Fast Track System was put in place to ensure rapid identification of soybean rust through First Detectors and Triage Team Members. Over the past four years, more than 700 individuals were trained as First Detectors or Triage Members as part of the Iowa Soybean Rust Fast Track System.
A bulletin titled Using Foliar Fungicides to Manage Soybean Rust was originally published in 2005 and recently was updated and expanded.