Stem rust fungus. Different from most fungi, the rust variations have five spore stages and alternate between two hosts. Wheat is the primary host, and barberry is the alternate host. There are multiple pathotypes (including QCC and MCC) affecting barley, within "forma specialis tritici". The stem rust fungus attacks the parts of the plant that are above ground. Spores that land on green wheat plants form a pustule that invades the outer layers of the stalk. Infected plants produce fewer tillers and set fewer seed, and in cases of severe infection the plant may die. Infection can reduce what is an apparently
American Rust American Rust American Rust is American writer Philipp Meyer's debut novel, published in 2009. Set in the 2000s, "American Rust" takes place in the fictional town of Buell in Fayette County, Pennsylvania, which is in a rural region referred to as "the Valley" of dilapidated steel towns. "American Rust" focuses on the decline of the American middle class, good-paying manufacturing jobs, and the general sense of economic and social malaise of what has become known as the New Gilded Age. Meyer's novel received rave reviews from book critics; many publications ranked it one of the best novels of 2009. "American