Panama disease Panama disease Panama disease is a plant disease of the roots of banana plants. It is a type of fusarium wilt, caused by the fungal pathogen "Fusarium oxysporum" f. sp." cubense" (Foc). The pathogen is resistant to fungicide and cannot be controlled chemically. During the 1950s, Panama disease wiped out most commercial Gros Michel banana production. The Gros Michel banana was the dominant cultivar of bananas, and the blight inflicted enormous costs and forced producers to switch to other, disease-resistant cultivars. New strains of Panama disease currently threaten the production of today's most popular cultivar, Cavendish. Two external symptoms help
Crop art figures are found all over the world; though many do not attribute their manifestation to visitations by alien beings. Crop Circles are sometimes called crop formations, agroglyphs, or pictograms. Some are also created by recognized "landscape artists" for commercial purposes. Crop art Crop art is an environmental art practice using plants and seeds in the landscape to create statements, marks and/or images. Agnes Denes, Matthew Moore (artist), Dennis Oppenheim and Stan Herd are practitioners of Crop art. Some works of Land art, and Earth art are similar in scale, and can be seen only from aerial viewpoints. One folk art