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
What Kind of an American are You? found at Pritzker Military Museum & Library. The song urges Americans (specifically immigrants) to use this war to prove their loyalty to the United States; whether that may be by fighting or by simply standing behind the US's actions. For those who show no support, this question is posed: "What are you doing over here?" It upholds the "us-against-them" mentality; the "them" in this case is Germany. The chorus is as follows: What Kind of an American are You? What Kind of an American are you?, also known as What Kind of American are you?, is a World War I