Summary
Alternaria solani andA. nyctanthi, these pathogens causing leafspot disease were able to metabolize a variety of nitrogen compounds when grown on different culture media. The amount of growth varied with the nitrogen source. Peptone produced the best zonation when added in definite proportion to the yeast extract medium. Ammonium compounds were found to be moderately effective for growth but poor for sporulation. The effect of adding succinic acid in media containing ammonium sources and the role of pH in the utilization of nitrite nitrogen was investigated.
The fungus gave more vegetative growth on a mixture of aminoacids than in culture media in which the same amino acids were supplied singly to study the effect produced on growth and sporulation.
Similar content being viewed by others
References
Lewis, R. W. 1957. Amino acid nutrition ofAlternaria solani. Phytopathology47: 121.
Lilly V. G. &Barnett H. L. 1951. Physiology of Fungi. McGraw-Hill, New York.
Rangaswami, G. &Sambandam, C. N. 1960. Influence of the substrate on spore size ofAlternaria melongenae. Phytopathology50: 486.
Rajderkar, N. R. 1966. The influence of nitrogen nutrition on growth and sporulation ofAlternaria solani (Ell. & Mart.) Jones & Grout. Mycopathol. et Mycol. appl.29: 55–58.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Rajderkar, N.R. Effect of yeast extract and succinic acid on growth and sporulation of alternaria species. Mycopathologia et Mycologia Applicata 29, 121–124 (1966). https://doi.org/10.1007/BF02055065
Issue Date:
DOI: https://doi.org/10.1007/BF02055065