Abstract
Meiotic chromosome association showed uni- and bivalents and complete lacking of multivalents in C1 generation of autotetraploid D. ajacis. Present observations suggests that genetic factor is responsible for controlling the multivalent formation not chromosome size. Meiotic abnormalities were frequently observed as univalents, laggards, bridges and micronuclei in the induced autotetraploid despite high bivalent frequency in C1 generation. Cytogenetical irregularities affecting pollen as well as seed fertility in the present study.
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