Tapioca-a new and cheaper alternative to agar for direct in vitro shoot 

1 

regeneration and microtuber production from nodal cultures of potato. 

Endale Gebre and B.N. Sathyanarayana

Abstract

Inheritance of resistance to tomato bacterial wilt and its implication for 

9 

potato improvement in Uganda.

 M. O. Osiru, P. R. Rubaihayo and A. F. Opio

Abstract

Agronomic performance of twelve elite potato genotypes in southwestern 

17 

Uganda. 

G. Abalo, J.J. Hakiza, R.M. Kakuhenzire, R. El-Bedewy and E. Adipala 

Abstract

Evaluation of sweetpotato for early maturity across different agro-ecological 

25

zones in Ghana. J.A. Otoo, A. Missah and A.G. Carson

Abstract

Évaluation post récolte de six génotypes de patate douce sélectionnés a l'est 

33 

du Congo. 

M. Feruzi, P. Phemba, M. Ngongo, V. Hagenimana etN.B. Lutaladio

Résumé/Abstract

Participatory on-farm selection of sweetpotato varieties in western Kenya. 

41

P.J. Ndolo, T. Mcharo, E.E. Carey, S.T. Gichuki, C. Ndinya and J. Maling'a

Abstract

Performance of selected sweetpotato varieties in Kenya. 

 49

M. Mcharo,E.E. Carey and S.T. Gichuki

Abstract

Tropical potato clones with larger canopies do not affect the growth, yield 

59

and yield components of intercropped sugar cane. 

Y. Cadersa, K. Wong Yen Cheong and N. Govinden

Abstract

Effects of spatial arrangement on tuber yields of some potato cultivars. 

67

Endale Gebre and Gebremedhin W/Giorgis

Abstract

Effect of plant density and seed size on growth and yield of solanum potato 

77 

in Khartoum State, Sudan. A.M. Khalafalla

Abstract

Effect of intercropping maize and solanum potato on yield of the component 

83

crops in Central Uganda.

M. Ebwongu, E. Adipala, C.K. Ssekabembe, S. Kyamanywa and A.S. Bhagsari

Abstract

Effect of leaf harvesting frequency on growth and yield of sweetpotato in the 

97 

Lake Zone of Tanzania. 

H.C. Kiozya, K. Mtunda, R. Kapinga, B. Chirimi and E. Rwiza

Abstract

Impact of defoliation on the agronomic performance of sweetpotato in Uganda. 

103 

F. Lugojja, M. W. Ogenga-Latigo and N. E. J. M. Smit 

Abstract

Interactive effect of nitrogen and potassium on flowering and berry set in true 

109 

potato seed mother plants. 

C.R. Kanzikwera, J.S.Tenywa, D.S.O. Osiru, E. Adipala and A.S. Bhagsari

Abstract

Interactive effect of nitrogen and potassium on dry matter and nutrient 

127

partitioning in true potato seed mother plants 

C.R. Kanzikwera, J.S. Tenywa, D.S.O. Osiru, E. Adipala and A.S. Bhagsari

Abstract

Potassium and calcium nutrition improves potato production in drip-irrigated 

147

sandy soil. A.A.Tawfik 

Abstract

Species diversity and activity of parasitoids of the sweetpotato butterfly, 

157

Acraea acerata, in Uganda. F. Lugojja, M.W. Ogenga-Latigo and N.E.J.M. Smit

Abstract

Influence of sweetpotato rooting characteristics on infestation and damage 

165

by Cylas spp. S. Kabi, M.W.Ogenga-Latigo, N.E.J.M Smit, T.E. Stathers and D. Rees 

Abstract

Influence of spatial arrangements in maize/solanum potato intercrops on incidence 

175

of potato aphids and leaf hoppers in Uganda. 

M. Ebwongu, E. Adipala,S. Kyamanywa, C.K. Ssekabembe and A.S. Bhagsari

Abstract

Epidemiology and population dynamics of Phytophthora infestans in Sub-Saharan 

185

Africa: Progress and constraints. 

O.M. Olanya, E. Adipala, J.J. Hakiza, J.C. Kedera, P. Ojiambo, J.M.