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Observations on the production of sexual organs in paired cultures of phytophthora species of the palmivora group

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Proceedings / Indian Academy of Sciences

Summary

Oospore formation in paired cultures with various combinations of six isolates of Phytophthora species were studied.

Three of these isolates belong toP. palmivora and the three others toP. faberi, P. meadii andP. arecae respectively.

P. arecae was found to produce oospores withP. meadii, P. palmivora andP. faberi.

P. arecae therefore falls into Gadd’s “rubber” group andP. meadii into the “cacao” group.

Ashby’s second grouping to accommodateP. arecae andP. meadii is superfluous.

The formation of oospores in combinations ofP. arecae withP. meadii or any one of the members of the “cacao” group lends additional support for merging all these isolates as strains ofPhytophthora palmivora.

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Authors and Affiliations

  1. Mycology Department, Agricultural Research Institute, Coimbatore

    D. Marudarajan

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  1. D. Marudarajan
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Additional information

Communicated by Mr. V. Ramanatha Ayyar, Cotton Specialist, Coimbatore

I wish to express my indebtedness to Mr. K. M. Thomas, Government Mycologist, for help and advice during the course of the work and in the preparation of this paper.

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Marudarajan, D. Observations on the production of sexual organs in paired cultures of phytophthora species of the palmivora group. Proc. Indian Acad. Sci. 14, 384–389 (1941). https://doi.org/10.1007/BF03051149

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  • DOI: https://doi.org/10.1007/BF03051149

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