Fusariuin Blight of the Soy Bean 
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Fig. 4; A-Lr, Types of macroconidia of the species of Fusarium on soy bean. H, 
Lross section of the xylem portion of a diseased soy bean stem, showing the invasion of 
the medullary rays (a) and the xylem vessels (h) by mycelia of the species of Fusarium 
on soy bean. 
