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The occurrence and distribution of aquatic fungi in certain ponds of Varanasi

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Summary

A survey of the Phycomycetous flora of the three types of the collecting stations in Varanasi was made for about ten months. The following observations were made:

  1. 1.

    An attempt was made to correlate the distribution of fungi in a group of small ponds, lakes with the idea of their occurrence, periodicity and environmental factors involved in the growth of aquatic fungi.

  2. 2.

    Sixteen species were recorded belonging to the Saprolegniales, Blastocladiales and Peronosporales.

  3. 3.

    There is distinct seasonal periodicity of growth which is mainly restricted to winter months.

  4. 4.

    The results indicate that the rarity of the many aquatic Phycomycetes may not be only due to specificity of substratum but also to temperature and the time needed for the maturation of the oospores.

  5. 5.

    The hydrogen-ion concentration of the ponds surveyed, has been measured, which supports the view of wide occurrence of members of Saprolegniales over a wide range of pH with the exception of Allomyces sp. and Pythium sp. which probably prefer the lower alkalinity of water.

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References

  • Dick, M. W. & H. V. Newby, - 1961 - The occurrence and distribution of Saprolegniaceae in certain soils of south-east England. I. Occurrence. J. Ecol. 49: 403–19.

    Article  Google Scholar 

  • Dick, M. W. - 1961 - The occurrence and distribution of Saprolegniaceae in certain soils of south-east England. II. Distribution within defined areas. J. Ecol. 50: 119–27.

    Article  Google Scholar 

  • Dick, M. W. - 1963 - The occurrence and distribution of Saprolegniaceae in certain soils of south-east England. III. Distribution in relation to pH and water content. J. Ecol. 51: 75–81.

    Article  Google Scholar 

  • Dayal, R. & R. N. Tandon, - 1962 - Ecological studies of some aquatic Phycomycetes. Hydrobiologia 20, 2: 121–27.

    Article  Google Scholar 

  • Dayal, R. & R. N. Tandon, - 1963 - Ecological studies of some aquatic Phycomycetes. II. Fungi in relation to the chemical factors of water. Hydrobiologia 22: 344–30

    Article  Google Scholar 

  • Harvey, J. V. - 1925 - A study of water molds and Phytium occurring in the soils of Chapel Hill. J. Elisha Mitchell sci. Soc. 41: 151–64.

    Google Scholar 

  • Höhnk, W. - 1935 - Saprolegniales und Monoblepharidales aus der Umgebung Bremens, mit besonderer Berücksichtigung der Oekologie der Saprolegniaceae. Abh. Naturwiss. Ver. Bremens 29: 207–37.

    Google Scholar 

  • Lund, A. - 1934 - Studies on Danish fresh water Phycomycetes, and notes on their occurrence, particularly relative to hydrogen-ion concentration of the water. Kgl. Danske vidensk. Selsk. Skrift., Naturv. Math., Afd. 9, 6: 1–97.

    Google Scholar 

  • Mishra, R. - 1944 - The vegetation of Rajghat ravines. J. Indian bot. Soc. 23: 113–21.

    Google Scholar 

  • Peterson, H. E. - 1910 - An account of Danish fresh water Phycomycetes with biological and systematical remarks (in English). Ann. mycol. 8: 494–560.

    Google Scholar 

  • Perrot, P. E. - 1960 - The ecology of aquatic Phycomycetes. Trans. Brit. mycol. Soc. 43, 1: 20–30.

    Google Scholar 

  • Singh, R. L. - 1955 - Benaras. A study in urban geography. Bhargava Bhushan Press, Varanasi.

    Google Scholar 

  • Testrake, D. - 1959 - Eustraine distribution and saline tolerance of some Saprolegniaceae. Phyton 12: 147–52.

    Google Scholar 

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Dayal, R., Ji, T. The occurrence and distribution of aquatic fungi in certain ponds of Varanasi. Hydrobiologia 27, 548–558 (1966). https://doi.org/10.1007/BF00042712

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