NDLI: Cytology of five species of subfamily Papaveroideae from the Western Himalayas

Content Provider	Springer Nature Link
Author	Kumar, Sanjeev Jeelani, Syed Mudassir Rani, Savita Gupta, Raghbir Chand Kumari, Santosh
Copyright Year	2012
Abstract	During the present course, population-based meiotic studies were carried out on five species of subfamily Papaveroideae from selected localities of Kashmir and Himachal Pradesh in the Western Himalayas (India). Varied intraspecific chromosome counts were reported for the first time in Argemone mexicana and Meconopsis latifolia, both existing on 2n = 2x = 14. The x = 7, confirmed for the first time from the newly found diploid cytotype, is suggested to be the primary chromosomal basic number for the Meconopsis. Furthermore, meiotic course was noted to be normal in Argemone ochroleuca, it varied from normal to abnormal in the populations of A. mexicana and Papaver dubium whereas it was invariably found to be abnormal in all the populations of Meconopsis aculeata and M. latifolia. These anomalous taxa were marked with meiotic abnormalities in the form of cytomixis, chromosomal stickiness, unoriented bivalents, formation of laggards and bridges resulting in abnormal microsporogenesis, and production of heterogeneous-sized fertile pollen grains along with reduced pollen fertility.
Starting Page	307
Ending Page	316
Page Count	10
File Format	PDF
ISSN	0033183X
Journal	Protoplasma
Volume Number	250
Issue Number	1
e-ISSN	16156102
Language	English
Publisher	Springer Vienna
Publisher Date	2012-05-30
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Basic number Himachal Pradesh Kashmir Meiotic abnormalities Papaveroideae Cell Biology Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science Medicine

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