The Sigatoka leaf disease complex in banana Dr Cristina LazcanoThere are three major leaf diseases, now called Pseudocercospora leaf spot diseases of banana, which form the sigatoka leaf spot complex: Sigatoka disease (yellow Sigatoka) caused by Pseudocercospora musae, black leaf streak disease (black Sigatoka) caused by P. fijiensis and Eumusae leaf spot disease caused by P. eumusae. These diseases, especially black leaf streak disease, are a major constraint to banana cultivation and they occur across most of
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