Abstract
The effect of ethylmethane sulphonate and gamma rays has been studied in Vigna radiata cv. PS 16. The seeds were treated with 0.05%, 0.1% 0.15% and 0.2% and 5.KR, 10 KR, 15 KR and 20 KR. Chromosomal aberrations such as univalents, trivalents, multivalents, nonorientation of chromosome, clumping, laggards and micronuclei were observed at various dose treatments. Pollen fertility decreased with increase in dose of mutagens. There was a positive and significant correlation between chromosomal abnormality and pollen sterility.
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