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Trypsin inhibitor content was determined in the seeds of 21 cowpea (Vigna unguiculata) lines (10 known to be resistant to Callosobruchus maculatus and 11 susceptible) whilst fatty acid composition was determined in 58 lines (11 resistant and 47 susceptible). A wide range in trypsin inhibitor cont...


Piergiovanni, A.R.Della Gatta, C.D.Singh, B.B.Singh, S.R.Ng, N.Q.Perrino, P.[Biochemical seed analysis in relation to bruchid resistance]Biochemical seed analysis in relation to bruchid resistance

Data are given on seed characteristics and nutritive value for 6 accessions of 4 wild Vigna taxa (V. vexillata, V. oblongifolia, V. gracilis and V. unguiculata subsp. dekindtiana) and 27 cultivated V. unguiculata varieties. The 100-seed weight ranged from 2 to 6 g among wild and from 6 to 24 g in...


Marconi, E.Lomardi-Boccia, G.Carnovale, E.Ng, N.Q.[Nutritional evaluation of wild and cultivated species of cowpea]Nutritional evaluation of wild and cultivated species of cowpea
Jagtap, S.S.Ng, N.Q.[Integrating a geographic information system with germplasm databases]Integrating a geographic information system with germplasm databases
Dixon, A.Asiedu, RobertNg, N.Q.[Introgression of African landraces and arborescent cassava in genetic improvement of cassava in SSA: problems, progress and prospects]Introgression of African landraces and arborescent cassava in genetic improvement of cassava in SSA: problems, progress and prospects
Balogun, M.Ng, N.Q.Fawole, I.Kikuno, H.[Variations in microtuberization among local, improved and exotic yam accessions in Nigeria]Variations in microtuberization among local, improved and exotic yam accessions in Nigeria

Early embryogenesis up to 8 days after pollination was characterized in V. unguiculata. When crosses were performed between V. unguiculata and wild V. vexillata, seeds were not obtained due to crossability barriers. In most cases pollen tube growth was arrested in the stigmatic tissue. In the 15-...


Barone, A.Ng, N.Q.[Embryological study of crosses between Vigna unguiculata and V. vexillata]Embryological study of crosses between Vigna unguiculata and V. vexillata

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