Studies on greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae), in Kenya, with special reference to host-plant resistance

Wanjama, Joseph Kimani2013-01-282013-01-281986http://hdl.handle.net/1993/15495x [i.e. xi], 144 [i.e. 147] leaves :engStudies on greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae), in Kenya, with special reference to host-plant resistancedoctoral thesis