Theses & Dissertations Open Access Genetic resistance to bean stem maggot (O.spencerella) in Ugandan bean genotypes Murenju Doreen Chelangat Common bean (Phaseolus vulgaris.L) production has been greatly affected by the bean stem maggot (BSM), an insect pest which exists in 3 species namely O.spencerella, O.phaseoli and O.centrocematis. Among the 3 species, O.spencerella and O.… RUF-35811 2015 CC BY 4.0 27 Jan 2016