diseases of lettuce

Diseases of lettuce ( Lactuca sativa ) in Arizona

Fungi & fungal-like organisms: Bottom rot; Downy mildew; Fusarium wilt; Leaf drop; Powdery mildew

Virus: Reported viruses

Abiotic

Plant Disease Identification | Extension Plant Pathology

August 3, 2011

http://cals.arizona.edu/PLP/plpext/diseases/vegetables/lettuce/lettuce.html