Abstract
During the meiotic analysis of gamma ray treated sets, two induced translocation heterozygotes (P-1 and P-8) were cytologically isolated at 200 Gy and 400 Gy doses in Lathyrus sativus L. var. Pusa-24. However, both translocation heterozygotes (P-1 and P-8) exhibited the formation of a ring and chain of multivalents in majority of PMCs at diakinesis and metaphase-I. At anaphase-I, both the translocation heterozygotes displayed various abnormalities as well, although some PMCs showed normal 7 : 7 separations but the most common and frequent separation to be encountered in these two variants was 6 : 8 separation. Pollen fertility was found to decline to 41.32% in P-1 and 39.46% in P-8 against 98.92% in the control sets.
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