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- Farooq Umer
- Department of Botany, Punjabi University
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- Lovleen
- Department of Botany, Punjabi University
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- Saggoo Manjit Inder Singh
- Department of Botany, Punjabi University
書誌事項
- タイトル別名
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- Meiotic analysis in a natural autotetraploid of <i>Phytolacca acinosa</i> Roxb.
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説明
Phytolacca acinosa (Phytolaccaceae) is cytologically worked out for the first time from Tangmarg area of Kashmir, India. The tetraploid chromosome count of 2n=36 from the present study represents a new cytotype for the species from India. The plant shows the case of an autotetraploid as it is characterised by multivalent formation during meiosis. A total of 55.89% of the chromosomes were involved in multivalent formation (quadrivalent and trivalents) while as 12.15% remained as univalents. These multivalents caused meiotic irregularities such as unoriented chromosomes, laggards and bridges at different stages of meiosis. Microsporogenesis was also abnormal ultimately resulting in reduced pollen fertility 46.78% and lead to the formation of heterogenous sized pollen grains.
収録刊行物
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- Chromosome Science
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Chromosome Science 14 (3+4), 63-66, 2011
一般社団法人 染色体学会
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詳細情報 詳細情報について
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- CRID
- 1390282679544909824
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- NII論文ID
- 10031139045
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- NII書誌ID
- AA11163057
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- ISSN
- 21850852
- 13441051
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- NDL書誌ID
- 023744749
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可