A Case of Synaptic Mutant in Erigeron karvinskianus DC. (Latin American Fleabane)

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  • Bala Santosh
    Department of Botany, Faculty of Life Sciences, Punjabi University
  • Kaushal Beena
    Department of Botany, Faculty of Life Sciences, Punjabi University
  • Goyal Henna
    Department of Botany, Faculty of Life Sciences, Punjabi University
  • Gupta Raghbir C.
    Department of Botany, Faculty of Life Sciences, Punjabi University

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Abstract

Failure of chromosome pairing was observed in all the presently investigated natural populations of Erigeron karvinskianus (2n=36). All 4 populations were observed with a different range of univalents besides bivalents at diakinesis and metaphase I. The presence of univalents bound with various other meiotic irregularities, such as laggards and chromatin bridges, which further lead to abnormal microsporogenesis. Pollen sterility was found to be high.

Journal

  • CYTOLOGIA

    CYTOLOGIA 75 (3), 299-304, 2010

    Japan Mendel Society, International Society of Cytology

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