Chromosome Botany
Online ISSN : 1881-8285
Print ISSN : 1881-5936
ISSN-L : 1881-5936
Regular Article
Anamolous meiotic behaviour in different populations of octaploid Sorghum bicolor (L.) Moench from Sirohi District (Rajasthan), India
Navjot Kaur Raghbir Chand Gupta
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2016 年 11 巻 1 号 p. 21-26

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The present meiotic study is on four accessions from Sirohi District, Rajasthan show the same chromosome number 2n=40 which is at octaploid level based on x=5. These populations are characterized with highly abnormal meiotic behavior with the presence of multivalent, laggards, secondary associations, abnormal spindle formation, precocious disjunction of chromosomes, abnormal microsporogenesis and heterogenous sized sterile and fertile pollen grains. These anomalies lead to low pollen fertility.
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© 2016 by the International Society of Chromosome Botany
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