Wheat leaf rust Wheat leaf rust Wheat leaf rust is a fungal disease that affects wheat, barley and rye stems, leaves and grains. In temperate zones it is destructive on winter wheat because the pathogen overwinters. Infections can lead up to 20% yield loss, which is exacerbated by dying leaves, which fertilize the fungus. The pathogen is "Puccinia" rust fungus. "Puccinia triticina" causes "black rust", "P. recondita" causes "brown rust", and "P. striiformis" causes "yellow rust". It is the most prevalent of all the wheat rust diseases, occurring in most wheat growing regions. It causes serious epidemics in North America, Mexico and South
Rust College "Princeton Review", the most popular majors at Rust are biology, general studies, business administration, and computer science. Rust College operates on what is called a module system, which is an 8-week semester class system that allows the college to constantly enroll a steady stream of transfer students every 8 weeks. Most classes have between 10–19 students. According to the college, 42% of all faculty have obtained a PhD. There are 42 faculty members and a student/faculty ratio of 20:1. According to the college, 57% of students return for their sophomore year. Rust College was involved in a lawsuit after a