Publications By John D. Youmans

Identification and Control of Fusarium Head Blight (Scab) of Wheat in Georgia (C 1066) Fusarium Head Blight (FHB), also called scab, is a devastating disease that is emerging in Georgia wheat fields. This publication contains important information on the biology of the causal agent, and…

Identification and Control of Leaf Rust of Wheat in Georgia (C 1060) Wheat leaf rust, caused by the fungus Puccinia triticina (formerly known as Puccinia recondita f. sp. tritici), is often a destructive foliar disease of wheat in the state of Georgia. Rust fungi in wh…

Identification and Control of Powdery Mildew of Wheat in Georgia (C 1059) Powdery mildew, caused by Blumeria graminis f. sp. tritici (syn. Erysiphe graminis) is an obligate, host specific fungus that attacks wheat exclusively. The pathogen reduces photosynthesis and increas…

Stripe Rust (Yellow Rust) of Wheat (C 960) Stripe rust is an emerging disease in the state of Georgia. Evidence of increased aggressiveness of the disease has been reported recently. Rusts are the most economically important group of wheat dis…