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African Crop Science Journal

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Volume 6, No 2, 1998

Twentieth issue

Performance et stabilité de rendement des génotypes de patate douce dans divers environnements à l'est du Congo. P Phemba, T Mutombo, N B Lutaladio and E E Carey. Page 109

Heritability and genotype x environment interaction for yield and components of a yield model in segregating populations of groundnut under semi-arid conditions. B R Ntare and J H Williams. Page 119

Heritability of traits associated with Striga (Striga hermonthica (Del.)Benth.) resistance in an open-pollinated maize population. L Akanvou and E V Doku. Page 129

Yield stability analysis of promising potato clones in mid and high altitude regions of Kenya. C Lung'aho, P S Ojiambo and H M Kidanemariam. Page 137

Path coefficient analysis of yield and its components in pigeonpea. M S Musaana and M S Nahdy. Page 143

The role of amino acids on maturation and conversion of geranium somatic embryos. R M Madakadze, T Senaratna and P S Saxena. Page 149

Environmental constraints to nodulation and nitrogen fixation of Phaseolus vulgaris L. in Tanzania. I. A survey of soil fertility and root nodulation and multi-locational responses to rhizobium inoculation. F Amijee and K E Giller. Page 159

Environmental constraints to nodulation and nitrogen fixation of Phaseolus vulgaris L. in Tanzania. II. Response to N and P fertilizers and inoculation with rhizobium. K E Giller, F Amijee, S J Broderick and O T Edje. Page 171

Fungal pathogens for biological control of Striga hermonthica on sorghum and pearl millet in West Africa. A A Abbasher, D E Hess and J Sauerborn. Page 179

Effects of thinning after anthesis on groundnut growth, yield and yield components. A J P Tarimo and F P C Blamey. Page 189

Associations of some characters with seed yield in local varieties of faba bean. Alem Berhe, Geletu Bejiga and Dejene Mekonnen. Page 197

Modelling banana growth and soil organic matter dynamics with the CENTURY model. P L Woomer, M Bekunda and D Bwamiiki. Page 205

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