Embryogenes somatique a partir d'embryons immatures de ble tendre: Effet genotypique. 

339

K. Mzouri, M. Amssa et E.H. Bouiamrine

Résumé /Abstract 

Isolation and regeneration of protoplasts from mycelium of Fusarium solani. 

351

F. Elbouami

Abstract /Résumé

Genotype x row spacing and environment interaction of cowpea in semi-arid zones. 

359 

Ndiaga Cisse

Abstract /Résumé

Inheritance of shortday induced dwarfing in photosensitive cowpeas. 

369 

M.F. Ishiyaku and B.B. Singh

Abstract /Résumé

Studies on genetic variations in a sorghum variety irradiated with colbat 60 (CO60). 

377

D.A. Aba, C.C. Nwaskike, M. Yeye and A.A. Zaria

Abstract /Résumé

Drought tolerance of some bread wheat genotypes in Ethiopia. 

385

Desalegn Debelo, Bedada Girma, Zewdie Alemayehu and Solomon Gelalcha

Abstract /Résumé

Calcium tolerance and ion uptake of Egyptian lupin landraces on calcareous soils.

393

S. Raza, A. Abdel-Wahab, B. JØrnsgård and J.L. Christiansen

Abstract /Résumé

The impact of close spacing on yield of arabica coffee under contrasting 

401 

agro-ecologies of Ethiopia. 

Taye Kufa, Tesfaye Shimber, Alemsged Yilma,Anteneh Netsere and Endale Taye

Abstract /Résumé

The effect of maize stover used as mulch on termite damage to maize and 

411

activity of predatory ants. 

M.B. Sekamatte, M.W. Ogenga-Latigo and A. Russell-Smith

Abstract /Résumé

The effect of seed coat on the susceptibility of Faba bean to Callosobruchus chinensis

421

 L. Kemal Ali and R.H. Smith

Abstract /Résumé

Resistance of maize to the maize weevil: I. Antibiosis. 

431

J. Derera, K.V. Pixley and P. Denash Giga

Abstract /Résumé

Resistance of maize to the maize weevil: II. Non-preference. 

441 

J. Derera, P. Denash Giga and K.V. Pixley

Abstract /Résumé

Variation in yield and resistance to groundnut rosette disease in early- 

451 

and medium-maturing groundnut genotypes in Nigeria. 

B. R. Ntare and P.E. Olorunju 

Abstract /Résumé