Apple Scab (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Apple Scab

At this time it was not known to the Writer that the latter had been suspected by others as the permanent stage of the apple scab fungus. An examination of literature, however, showed that Goethe as early as 1887 had suggested the relationship of the scabs of pears and apples to mature stages on the dead leaves that Bre feld in 1891 figured a temporary spore stage obtained from a Ven turia on pear that was similar to the leaf scab of that plant and that Aderhold, 1894 and later, had made a very comprehensive study of the scabs of apple, pear, and cherry and had connected them with species of Venturias that develop on the dead leaves of these hosts.

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