Which pathogenic fungus did Annie Gravatt study?
Annie Gravatt Annie Gravatt (Annie Evelyn Rathbun) was an American forest pathologist. Her areas of research included plant physiology and white pine blister rust. She also studied Chestnut blight, the fungus that devastated American chestnut trees in the early 20th century. Along with her husband, George Gravatt, she founded the community of Scientists' Cliffs, Maryland.
Gracilacus Gracilacus (Pin nematodes) is a genus of nematodes. Many of the species in this genus are plant pathogens.