Final diagnosis


Latex spots

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Two spots of latex, pinkish orange to brown, are clearly visible on the midrib on the underside of this salad leaf. <b> Latex "spots" </b>
Secondary bacteria rapidly colonize the altered tissues and amplify the observed browning. <b> Latex "spots" </b>
The islands of cells, where the latex accumulates, eventually rupture; the latter spreads over the surrounding limbus. <b> Latex "spots" </b>
On the side of this curly line, we can clearly see an elongated alteration, split in its center. <b> Latex stains </b>
Latex can be released and be found on some young leaves near the damage; they take on a rather particular rusty hue. <b> Latex "spots" </b>
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