A healthy wheat head (left) stands in contrast to one inoculated with Fusarium graminearum , which shows severe symptoms of scab.

Photo by Keith Weller. Image Number K8974-1

This image is in the public domain because it contains materials that originally came from the Agricultural Research Service , the research agency of the United States Department of Agriculture . العربية ∙ dansk ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ français ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ português ∙ sicilianu ∙ Türkçe ∙ Tiếng Việt ∙ 中文 ∙ +/−