Physiological disorders
Tip burn is characterized by necrosis on the ends and edges of young leaves in development. This disorder occurs mainly a few days before harvest and is attributed to localized...
learn moreLettuce aphid
The lettuce aphid Nasonovia ribisnigri (Mosley) is a pest responsible for major damage worldwide. This aphid has the peculiarity of colonizing and feeding in the heart of the head...
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Bacterial leaf spot due to Xanthomonas campestris pv. vitians first appears as oily-like spots on the leaves margins, which in a few days become necrotic and confluent. When conditions are...
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