00893naa a2200241 a 450000100080000000500110000800800410001910000190006024500840007926000090016352002750017265000150044765000220046265300100048465300110049465300120050565300140051765300150053165300240054670000200057070000180059077300430060810564651999-11-23 1996 bl --- 0-- u #d1 aROBERTS, P. A. aNew resistance to virulent root-knot nematodes linked to the Rk locus of cowpea c1996 aScreening of cowpea (Vigna unguiculata (L.) Walp. germplasm for additional resistance to the root-knot nematodes, Meloidogyne incognita Chitwood and M. javanica Chitwood, revealed an accession from Africa with resistance to diverse populations of both root-knot species. aNematóide aVigna Unguiculata aCaupi aCowpea aGene Rk aNematodes aResistance aVariedade esistente1 aMATTHEWS, W. C.1 aEHLERS, J. D. tCrop Sciencegv. 36, p. 889-894, 1996.