Kitajima, E.W.; Noda, H., Lin, M.T. & Pahlen, A. von der. 1979. Preliminary inventory of viruses of cultivated plants in the surroundings of Manaus, AM. Acta Amazonica, 9(4):633-640. (In Portuguese).
Abstract: A preliminary survey of viruses from cultivated plants in the Manaus region was made in March, 1977. Several private properties, besides experimental fields were inspected. After observation of field symptoms, samples from plants, suspected to be virus-infected, were taken, and experiments were made to identify the causal virus, by transmission tests, electron microscopy and serology. Several virus diseases were thus found in tomato, pepper, okra, cucurbitacea crops, bean, soybean, winged bean, etc. As a general rule, aphidborne virus diseases were rare, probably because the climatic conditions of the region are unfavorable to the biology of aphids.