Issues addressed

 

Physiological disorders

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...

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Lettuce aphid

Lettuce 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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Diseases

Bacterial leaf spot

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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