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Aneusomaty and Chromosomal Chimeras in Male Track of Coccinia grandis (L.) Voigt

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Abstract

In our present study, three wild ♂ accessions of Coccinia grandis from Jammu, Samba and Kathua of Jammu province (J&K, India) have been worked out for cytological details. To determine the chromosome behavior, both meiotic and mitotic details were worked out for plants of all three locations. While Samba and Kathua accessions had somatic cells with uniform chromosome count of 2n = 24, few plants of Jammu accession showed deviant chromosome numbers, i.e., 2n = 24, 16 and 14 chromosomes in cells of the same individual. Pmc meiosis also revealed both Samba and Kathua as stable with normal chromosome number (2n = 24). In Jammu accession however 26% cells had abnormal chromosome counts. Pollen viability was also lowest in Jammu accession, and averaged 81.16% as compared to the Samba (97.86%) and Kathua (96.66%) accessions.

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Acknowledgements

Authors are thankful to ‘SAP’ program of University of Jammu Grants Commission, sanctioned to department of botany, JU. One of the Authors “Priya Sharma” is thankful to the URS (University Research Fellowship) for financial assistance.

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  1. Department of Botany, University of Jammu, Jammu, 180 006, India

    Priya Sharma & Namrata Sharma

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  1. Priya Sharma
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  2. Namrata Sharma
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Correspondence to Namrata Sharma.

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Sharma, P., Sharma, N. Aneusomaty and Chromosomal Chimeras in Male Track of Coccinia grandis (L.) Voigt. Natl. Acad. Sci. Lett. 45, 191–194 (2022). https://doi.org/10.1007/s40009-021-01089-0

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  • DOI: https://doi.org/10.1007/s40009-021-01089-0

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