Banana production in Panama that United Brands would expand its production in Panama because bananas could be produced more cheaply in Costa Rica and Ecuador. The history of banana production in Panama virtually coincides with that of United Brands, which has been in Panama since 1899. The company built railroads, port facilities, and storage areas for the processing and export of bananas. In the 1930s, a disease seriously curtailed banana production. In the 1950s disease resistant plants were developed, and production increased rapidly. In the early 1970s, a "banana war" erupted when banana-producing countries disagreed among themselves and with United Brands about an export
High plains disease for the wheat curl mite. High plains disease also may occur on barley, oats and rye, and on drooping brome "Bromus tectorum" and yellow foxtail "Setaria pumila" grasses. An ELISA test is available to detect high plains disease. Infection can be avoided by elimination of volunteer crop and wild host plants prior to planting. Resistant varieties of maize exist. High plains disease High plains disease is a viral disease afflicting wheat and maize. It is caused by the negative-sense ssRNA virus wheat mosaic virus. Symptoms are similar to wheat streak mosaic virus, with leaf veins showing yellow flecks and streaks,