Tom Isakeit Rust Quotations

Rust spores can be carried by wind currents hundreds or even thousands of miles, even across oceans. They are eventually brought down to earth by rain, and a leaf that's been wet for several hours is needed in order for a spore to germinate and infect a plant.

This finding in South Texas is probably a new introduction. And what it suggests is that soybean rust could take the so-called 'rust corridor' to points possibly as far north as Canada.