Figure 12. Loose smut (on left) and false loose smut (on right) on barley, caused by Ustilago nuda (left) and U. nigra (right). (Courtesy P. Thomas)
Figure 12.  Loose smut (on left) and false loose smut (on right) on barley, caused by Ustilago nuda (left) and U. nigra (right). (Courtesy P. Thomas)

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