Names link to more information on identification
and management.
Click on photos to enlarge
Lettuce drop Identification tip: Older leaves wilt; eventually the entire plant wilts
and collapses, making it unharvestable.
Lettuce dieback Identification tip: Outermost leaves are extensively
yellowed. The younger, inner leaves often remain dark green
in color, but can be rough and leathery in texture.
Corky root damage Identification tip: Roots show reduced feeder roots
and a rough, pitted taproot.
Verticillium wilt Identification tip: Verticilium causes the area between veins
to yellow and turn brown.
