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In 2009, a bacterial blight was observed in a greenhouse at CIAT headquarters, attacking plants of Brachiaria humidicola. Because Brachiaria grasses are grown as pastures throughout South America, this new disease could, potentially, have significant economic implications. Symptoms included chlor...
Frogskin disease (FSD) is the most important constraint to cassava crop as it directly affects the production of roots, causing yield losses as high as 90% for farmers in Cauca, Colombia. The phytoplasma associated with FSD belongs to the 16SrIII-L subgroup and was isolated using an artificial cu...
Cassava is a staple food for about 800 million people worldwide. It is produced mainly by smallholder farmers. In July 2013, disease symptoms were observed on the crop, including longitudinal lip-like fissures on roots, and a thick cork-like appearance on root peel. The diseased cassava contained...
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