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Fusarium head blight(FHB)
FHB symptoms are confined to the wheat head, grain, and sometimes the peduncle(stem near the wheat head). Typically, the first noticeable symptom is bleaching of some or all of the spikelets while healthyheads are still green . As the fungusmoves into the rachis, spikelets locatedabove or below the initial infection pointmay also become bleached (Figure 2).If examined closely, pink to orange masses of spores may be visible on infected spikelets. These spore masses are produced during wet, humid weather .Infected kernels, commonly called tombstones, appear shriveled, discolored, and are lightweight .