<i>Ralstonia solanacearum</i> Race 3 Biovar 2 Causes Tropical Losses and Temperate Anxieties

Fig. 3. Brown discoloration of stem tissues caused by R. solanacearum (photo courtesy of Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org).



Image from Plant Health Progress article:
Ralstonia solanacearum Race 3 Biovar 2 Causes Tropical Losses and Temperate Anxieties