VEGETOS: An International Journal of Plant Research & Biotechnology
(Society For Plant Research)

Research Articles

A SOCIETY FOR PLANT RESEARCH PUBLICATION


Volume: 33, Issue: 1, March 2020


Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Website:www.vegetosindia.org
Pub Email: contact@vegetosindia.org
Views: 180

Doi: 10.1007/s42535-019-00077-6
Doi Link: https://doi.org/10.1007/s42535-019-00077-6
First Page: 26
Last Page: 30
Published: 12 November, 2019

Chromosomal characteristics in two different sexual phenotypes of Stichoneuron membranaceum


Abstract:

The present investigation has been focussed on mitotic and meiotic chromosome study of androdioecious Stichoneuron membranaceum from the state of Tripura. The somatic chromosome number in both the sexual phenotypes was found to be 2n = 18 having one pair of chromosomes bearing secondary constriction. Meiosis is regular and the presence of nine bivalents in pollen mother cells of male and hermaphrodite flowers suggest that the basic chromosome number is X = 9. The accentuated chromosome homology in androecious and hermaphrodite plants of S. membranaceum is the intrinsic character of their karyotypes.

Vegetos

Keywords:


Androdioecious, Hermaphrodite, Karyotype, Stemonaceae, n Stichoneuron membranaceumn


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Acknowledgements :



The first author is grateful to the DBT, Government of India for JRF Fellowship.


Author Information:



Supriya Adhikari
Cytogenetics and Plant Biotechnology Laboratory, Department of Botany, Tripura University (A Central University), Suryamaninagar, India
adhikarisupriya.91@gmail.com
Sangram Sinha
Cytogenetics and Plant Biotechnology Laboratory, Department of Botany, Tripura University (A Central University), Suryamaninagar, India


Rabindra Kumar Sinha
Cytogenetics and Plant Biotechnology Laboratory, Department of Botany, Tripura University (A Central University), Suryamaninagar, India




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