Symptoms of infection by the stolbur phytoplasma on Lycopersicon esculentum flowers. Flowers from stolbur phytoplasma–infected tomato showing symptoms of virescence (green-colored petals and stamens) (lower right), leafy structure of sepals (lower left), and big bud (hypertrophied and fused sepals) (upper right). Notice the absence of reproductive organs in the leafy structure and big bud. The photo on the upper left shows a flower from healthy tomato. For the article by Pracros et al., see page 62.

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