LITERATURE CITED
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- Hickman, C. J., and H. H. Ho. 1966. Behaviour of zoospores in plant-pathogenic Phycomycetes. Annual Rev. Phytopath. 4: 195–220.
- Machlis, L. 1969. Zoospore Chemotaxis in the watermold Allomyces. Physiol. Plant. 22: 126–139.
- Prescott, H. E. 1966. Orientation movements of zoospores of the water fungus Achyla (Saprolegniaceae) in a concentration gradient of nutrients. Ph.D. Thesis, Univ. of Pennsylvania, Philadelphia, Pa., 74 pp.
- Unestam, T. 1969. On the adaptation of Aphanomyces astaci as a parasite. Physiol. Pl. 22: 221–235.
- Ziegler, H. 1962. Chemotaxis, p. 484–532. In W. Ruhland [ed.], Encyclopedia of Plant Physiology. Vol. 17, Part 2, Springer-Verlag, Berlin.