International Sugar Journal

Controlling sugarcane diseases in Florida: A challenge in constant evolution* [Full subscriber]

Abstract Diseases are limiting factors for the sugarcane crop in almost any sugarcane growing location. More than 40 diseases have been recorded in Florida, with brown rust, orange rust and yellow leaf currently impacting on sugarcane production. Ideally, these diseases should be controlled using resistant cultivars, but most cultivars grown in 2015-2016 in Florida are susceptible to either brown rust or orange rust. Several cultivars that were initially resistant to orange rust became susceptible when grown over large areas, suggesting a change in the rust pathogen populations. At the present time, control of the two rust diseases relies mainly on…

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