Symbiotic behaviour of phage-resistant mutants of pigeonpea [Cajanus cajan (L.) cv. BaharJ rhizobial strain IHP-195 with the main and alternate hosts

Laboratory of Biological Nitrogen Fixation, Deptt., of Genetics and Plant Breeding, B.H.U., Varanasi 221 005.

¹Present address: Sugarcane Research Station (O.U.A.T.), At - Panipoila, P.O. Balugaon 752 070.