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Page 108 - ... it hinders the ascent of sap, causing the withering of flowers and leaves. On the discolored spots on the leaves and branches, microconidia or macroconidia may be produced according to circum stances.
Page 108 - Fruits are the portion generally attacked by these fungi. The cases, where the flowering branches are affected, are only known to us in apple and cherry trees.
Page 108 - According to my own observations, the young leaves on a flowering branch seem to be the portion commonly attacked at first. The discolored portion generally appears along the midrib. The mycelium of the fungus...