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Ortiz, R.Vuylsteke, D.R.Crouch, H.Crouch, J.[TM3x: triploid black sigatoka resistant Musa hybrid germplasm]TM3x: triploid black sigatoka resistant Musa hybrid germplasm

A multilocational evaluation trial comprising 18 Musa genotypes was carried out from 1991 to 1994 in three representative locations in the humid forest (Onne, Nigeria and M'Balmayo, Cameroon) and the Forest-savanna Transstion (Ibadan, Nigeria) Zones of West and Central Africa. The main objective ...


Cauwer, I. deOrtiz, R.Vuylsteke, D.R.[Genotype by environment interaction in Musa germplasm revealed by multisite evaluation in subSaharan Africa]Genotype by environment interaction in Musa germplasm revealed by multisite evaluation in subSaharan Africa

Apical dominance, i.e., the inhibition of lateral bud growth due to growth substances released by the terminal bud, has been considered as a limiting factor for the perennial productivity of plantains (Musa spp., AAB group).Segregation ratios in F1and F2plantain–banana hybrids suggest that inheri...


Ortiz, R.Vuylsteke, D.R.[Genetics analysis of apical dominance and improvement of suckering behaviour in plantain]Genetics analysis of apical dominance and improvement of suckering behaviour in plantain

Plantain (Musa spp., AAB group) cultivation is threatened by black sigatoka, an airborne fungal (Mycosphaerella fijiensis Morelet) leaf spot disease. Several traits in plantains and bananas are mainly affected by major genes. The host resistance response to black sigatoka is under the control of ...


Craenen, K.Ortiz, R.[Effect of the black sigatoka resistance gene bs1 and ploidy level in fruit and bunch traits of plantain banana hybrids]Effect of the black sigatoka resistance gene bs1 and ploidy level in fruit and bunch traits of plantain banana hybrids

Black sigatoka (Mycosphaerella fijiensis Morelet), an airborne fungal leaf-spot disease, is a major constraint to plantain and banana (Musa spp.) production world-wide. Gaining further knowledge of the genetics of host-plant resistance will enhance the development of resistant cultivars, which is...


Ortiz, R.Vuylsteke, D.R.[Inheritance of black sigatoka disease resistance in plantainbanana (Musa spp.) hybrids]Inheritance of black sigatoka disease resistance in plantainbanana (Musa spp.) hybrids

Few genetic markers are available in Musa spp. as a result of a lack of inheritance studies. Full-sib diploid (2n = 2x = 22) plantain-banana hybrids of the International Institute of Tropical Agriculture were selfed or outcrossed with other diploid bananas, one of which is an improved selection f...


Ortiz, R.Vuylsteke, D.R.[Inheritance of albinism in banana and plantain (Musa spp.)]Inheritance of albinism in banana and plantain (Musa spp.)

East African highland bananas (EAHB) were regarded as sterile. Their screening for female fertility with “Calcutta 4” as male parent revealed that 37 EAHB were fertile. This was the foundation for the establishment of the EAHB crossbreeding programs by the International Institute of Tropical Agri...


Batte, M.Swennen, R.Uwimana, B.Akech, V.Brown, A.Tumuhimbise, R.Hovmalm, H.P.Geleta, M.Ortiz, R.[Crossbreeding east African highland bananas: lessons learnt relevant to the botany of the crop after 21 years of genetic enhancement]Crossbreeding east African highland bananas: lessons learnt relevant to the botany of the crop after 21 years of genetic enhancement

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