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Pak. J. Bot, 5(1): 29-32, 1973.

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SOMATIC MITOSIS IN THE CHALARA STATE OF THIELAVIOPSIS PARADOX A (DE SEYNES) HOHNEL

M.H. Hasiimi AND G. Morgan-Jones

Abstract: Vegetative nuclear division in the Ch.ala.ra state of Thielaviopsis paradoxa was studied and illustrated by time-lapse, phase contrast microscopy. During this process, the chromatinic material and the nucleolus divide by elongation and constriction comparable to that described in some phycomycetes. An intranuclear spindle, nuclear envelope and centrioles have not been observed in this study.

Department of Biology, University of Waterloo, Waterloo, Ontario, Canada

Department of Botany and Microbiology, Auburn University, Agricultural Experiment Station, Auburn, Alabama, U.S.A.