Rust (fungus) of the rust fungi "Cronartium ribicola", preventing the formation of basidiospores which infect the primary host. Although spores from white pines cannot infect other white pines, survival spores may overwinter on infected pines and reinfect "Ribes" spp. the following season. Infected tissue is removed from white pines and strict quarantines of "Ribes" spp. are maintained in high risk areas. "Puccinia graminis" is a macrocyclic heteroecious fungus that causes wheat stem rust disease. The repeating stage in this fungus occurs on wheat and not the alternate host, barberry. The repeating stage allows the disease to persist in wheat even though the
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