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

Fig. 11 (A). Virulent (bottom) and non-virulent (top) colonies of R. solanacearum on CPG agar growth medium (photo courtesy of P. Champoiseau, University of Florida).



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