Environ Exp Biol (2017) 15: 209

Orginal Paper

Anther dimorphism and reductional division in Crotalaria spectabilis

Ashutosh Kumar Verma^*

Central Regional Centre, Botanical Survey of India, 10 Chatam Line, Allahabad 211002, India
^* Corresponding author, E-mail: simashutosh@rediffmail.com

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Abstract

An experiment was carried out to study the anther dimorphism and meiotic behavior of chromosomes in different morphs of anthers in Crotolaria spectabilis. Anthers exhibit dimorphism with respect of their shape, size, surface ornamentation, dehiscence time, pollen size, pollen sterility, pollen germination and meiotic behavior of chromosomes. Meiotic indices, percentage share of different meiotic stages, chiasma frequency per pollen mother cell, chiasma frequency per chromosome, and percentage share of different meiotic anomalies varied with type of anther.

Key words: anther dimorphism, Crotolaria spectabilis, heteroanthery, meiotic anomalies.

Environ Exp Biol (2017) 15: 209–215

DOI: http://doi.org/10.22364/eeb.15.21

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Faculty of Biology, University of Latvia
				Hard copy: ISSN 1691–8088 On-line: ISSN 2255–9582 Environ Exp Biol (2017) 15: 209–215 DOI: https://doi.org/10.22364/eeb.15.21
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