Big vein disease of lettuce in Imperial Valley
Demetrios G. Kontaxis, Imperial County
California Agriculture 32(7):16-17. DOI: 10.3733/ca.v032n07p16.
Demetrios G. Kontaxti is Farm Advisor (Plant Pathology Nematology) Cooperative Extension, Imperial County (Courthouse, El Centro, California 92245).
Only 12 percent of the lettuce plants infected with big vein develop into a marketable crop. A systemic fungicide controls the disease, whereas fumigants appear t o favor big vein of lettuce.