Leaf wilting is a symptom of infection by the cassava mosaic virus, as displayed in this crop in Tanzania.
Credit: Cornell Alliance for Science
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A Tanzanian farmer displays cassava infected with the black streak disease. Scientists are developing a genetically engineered variety resistant to the disease.
Credit: Cornell Alliance for Science
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Tanzanian farmer, Rehema Maganga, inspects a diseased cassava plant. Researchers are using biotechnology to develop disease-resistant cassava varieties.
Credit: Cornell Alliance for Science
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Comparison of cassava leaves, the one on the left is a healthy plant while the one on the right shows signs of cassava mosaic virus.
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A cassava plant in Uganda shows signs of being infected with the cassava mosaic virus.
Credit: Cornell Alliance for Science
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