Lettuce Dieback

Romaine and leaf lettuce infected with this virus exhibit characteristic symptoms, although symptoms are likely to vary depending on the age of plants when infected, time of year, and cultivar. Plants can be severely stunted and mature, diseased plants may only reach 6 to 8 inches in height. The outermost leaves are extensively yellowed. The younger, inner leaves often remain dark green, but can be rough and leathery in texture. In some cases, the older leaves develop necrotic spotting that can