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Waterhyacinth (Eichhornia crassipes (Mart.) Solms) is one of the world's most important aquatic weeds. The fungal pathogen Alternaria alternata (Fr.) Keissler was isolated from diseased waterhyacinth plants collected in India. No crop tested was susceptible to the fungus. On waterhyacinth, the fungus induces disease symptoms (i.e., lesions) mainly on leaves and less severely on petioles. The application...
The host ranges of Alternaria alternata and fungi native to India and pathogen of waterhyacinth (Eichhornia crassipes) were evaluated using 29 plant species (some with several cultivars tested) representing 18 families of economic and ecological importance. The results showed that only waterlettuce (Pistia stratiotes), another common weed in India, was infected by A. alternata. The use of these pathogens...
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