*Present address: Division of Botany, I.A.R.I., Delhi-12 and UPASI, Coonoor (Nilgiris).
Inheritance studies have shown that a single dominant gene is responsible for resistance to brown rust of six exotic dicoccums while in H.W. 1, duplicate factors are present. Further studies are on hand to find out whether the gene for resistance is the same in all these varieites or not.
