Date Range1990s (1990-1999)DescriptionKarnal bunt is a fungal disease of wheat plants that damages the plant, making it unusable. During an inspection of wheat in March 1996, spores that carry the wheat disease Karnal bunt were discovered in Arizona wheat. This was the first time Karnal bunt had been found in the U.S. The Animal and Plant Health Inspection Service (APHIS) declared an emergency, quarantining Arizona wheat from March until October of 1996 and instituting an intensive eradication program. More InformationWikipedia
