58. YLD-2 Yellow leaf disease causes a general yellowing of all leaves of some varieties (CP92-1091, healthy; CP92-1148, infected [YLS]).

El amarilla miento general de todas las hojas se observa en algunas variedades (CP92-1091, saludable; CP92-1148, infectada [YLS]).

(Courtesy J. C. Comstock, copyright-free)

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