Namita Kumaria & Rachna Prasada*
*aDepartment of Botany, Magadh Mahila College, P.U., Patna, Bihar, India.
Received 20th September, 2012; Revised 28th November, 2012
Abstract : Meiotic details of a desynaptic plant of catharanthus roseus showed occurrence of a number of univalents at diakinesis and metaphase-I. Due to irregularity in the chromosomal behaviour, unequal separation, laggards and bridges and clumping of chromosomes were observed at anaphase-I. The desynaptic plants exhibited high sterility and reduced seed set. Desynapsis may be helpful in the genetic analysis of plants such as aneuploids.
Key words: Aneuploidy, Desynapsis, Ethyl-Methane Sulphonate (EMS), Catharanthus roseus.
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