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Leaf Spot Of Field Corn Caused By Pseudomonas Andropogonis, Anne K. Vidaver, Randall R. Carlson
Leaf Spot Of Field Corn Caused By Pseudomonas Andropogonis, Anne K. Vidaver, Randall R. Carlson
Biological Process Development Facility: Staff Publications
A leaf spot of field corn was shown to be caused by the bacterium Pseudomonas andropogonis. Leaf spot symptoms were observed over 3 years in several States. Inoculation of corn by vacuum infiltration of the bacteria was necessary to reproduce field symptoms.
A bacterial leaf spot disease of different cultivars of field corn was observed in early summer of 1973, 1974, and 1975. Leaves with essentially the same symptoms were obtained from South Dakota, Iowa, Kansas, Nebraska, and Michigan. The same symptoms were also seen in Wisconsin. Symptoms consisted of circular to ellipsoidal, tan to brown spots, with irregular …