Fusarium Ear Blight - Symptoms

Symptoms

In wheat, Fusarium infects the head (hence the name “Fusarium head blight”) and causes the kernels to shrivel up and become chalky white. Additionally, the fungus can produce mycotoxins that further reduce the quality of the kernel.

Infected florets (especially the outer glumes) become slightly darkened and oily in appearance (29). Conidiospores are produced in sporodochia, which gives the spike a bright pinkish color (30). Infected kernels may be permeated with mycelia and the surface of the florets totally covered by white, matted mycelia.

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