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Abstract

Meiotic studies in two populations of Solanum sisymbrifolium were caried out in detail each from Railway track at Gaya railway station and from Lal Darwaja of Munger.Meiosis showed anomalies like multivalent and univalent at metaphase-I and soe pollen other cells showed abnormalities like clumping of chromosomes, precocious separation of chromosomes and translocation chains and rings while at anaphase-I,12:12chromosomes were recorded in most of the pollen mother cells.About 15% of the PMC at this stage were found to be abnormal.