Genetics Division, Indian Agricultural Research Institute, New Delhi-12
†Present address: CAZRI, Jodhpur (Rajaslhan).
*A part of thesis submitted to the P. G. School, I.A.R.I., New Delhi, in partial fulfilment of the requirements for the Ph.D. Degree.
The five species of tetraploid Trilicum (viz., durum dicoccum, polonicum, turgidum and canthlicum) were treated with a range of mutagens and the M2, and M3 generations were studied. It is observed that they differ widely in their response to different mutagens inspite of the same level of ploidy. T. durum and T. dicoccum ssem to have attained a greater degree of diploidzatton than the rest.
