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 Day Has It Been What Kind of Day Has It Been "What Kind of Day Has It Been" is the 22nd episode of "The West Wing", the season finale of the show's first season. It originally aired on NBC May 17, 2000. Events circle around the attempted rescue of a US fighter pilot in Iraq, and the president taking part in a town hall meeting in Rosslyn, Virginia. The episode was written by Aaron Sorkin and directed by Thomas Schlamme. "What Kind of Day Has It Been" is also the name of the first-season finales of both the series "Sports Night" and "Studio 60