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Micropropagated plants of 36 Musa genotypes with diverse genetic backgrounds, including 14 tetraploid plantain (TMPx) and banana (TMBx) hybrids, were evaluated for their response to banana streak badnavirus (BSV) infection under three environments from 1995 to 1997 in Nigeria. The characteristics...


Dahal, G.Ortiz, R.Tenkouano, A.Hughes, J.Thottappilly, G.Vuylsteke, D.R.Lockhart, B.E.L.[Relationship between natural occurrence of banana streak badnavirus and symptom expression, relative concentration of viral antigen, and yield characteristics of some micropropagated Musa spp]Relationship between natural occurrence of banana streak badnavirus and symptom expression, relative concentration of viral antigen, and yield characteristics of some micropropagated Musa spp

Thirty-six Musa genotypes, comprising the three major genomic groups (AAA, AAB, ABB) and their hybrids, were evaluated in four environments in Nigeria. Multiple correlation and path coefficient analysis was performed on phenological and yield traits. Bunch weight was more associated with phenolog...


Baiyeri, K.Tenkouano, A.Mbah, B.Mbagwu, J.[Ploidy and genomic group effects on yield components interaction in bananas and plantains across four environments in Nigeria]Ploidy and genomic group effects on yield components interaction in bananas and plantains across four environments in Nigeria

The additive main effects and multiplicative interaction (AMMI) model was used to evaluate the stability patterns of 36 Musa genotypes in four cropping environments for bunch weight, pulp weight, and dry matter content. Alleycropping generally induced higher means for all traits than did sole cro...


Baiyeri, K.Mbah, B.Tenkouano, A.[Yield components of triploid and tetraploid Musa genotypes in Nigeria]Yield components of triploid and tetraploid Musa genotypes in Nigeria
Autor: Tenkouano, A.

This study aimed to assess the persistence and horticultural value of bunch dichotomy in plantain. Meristematic tissue was collected from a plant of the cultivar UNN showing a double-bunch phenotype and cultured in vitro. Ninety-five seedlings were acclimatized for 6 to 8 weeks in a greenhouse, p...


Tenkouano, A.[Persistence and horticultural value of inflorescence dichotomy in plantain]Persistence and horticultural value of inflorescence dichotomy in plantain

Multiple correlation of phenological and yield traits of the plant crop (PC) with those of the first ratoon crop (RC) of 36 Musa genotypes was carried out. The genotypes were landraces (triploid) belonging to AAA, AAB and ABB Musa genomic groups and hybrids (mostly tetraploid) thereof. The plants...


Baiyeri, K.Mbah, B.Tenkouano, A.[Relationships between phenological and yield traits of the plant crop and first ratoon crop of Musa genotypes as affected by ploidy level and genomic group]Relationships between phenological and yield traits of the plant crop and first ratoon crop of Musa genotypes as affected by ploidy level and genomic group

There are 84 distinct cultivars of highland bananas (Musa spp.) in Uganda, grouped in five clone sets and it is not known which among these are female fertile. The objective of the study reported herein was to identify female fertile highland bananas that can be used in a cross breeding program a...


Ssebuliba, R.Rubaihayo, P.R.Tenkouano, A.Makumbi, DanTalengera, D.Magambo, M.[Genetic diversity among East African highland bananas for female fertility]Genetic diversity among East African highland bananas for female fertility

Cassava (Manihot esculenta Crantz) is one of the most important staple food crops of the people in Cameroon, with some estimated 204,548 hectares devoted to it and corresponding annual production of 1,998,819 metric tons. It plays a major role in efforts to alleviate food crisis due to its effici...


Njukwe, E.Amah, D.Ndango, R.Tindo, M.Dixon, A.Tenkouano, A.[Evaluation and delivery of disease resistant cassava varieties with comparable micronutrient density to farmers in Cameroon]Evaluation and delivery of disease resistant cassava varieties with comparable micronutrient density to farmers in Cameroon

Yam (Dioscorea sp.) is an extremely important delicacy in Cameroon, with some estimated 45,215 hectares devoted to it, and corresponding annual production of 275,101 metric tons. Production is constrained by several factors including the limited availability and cost of planting material, as well...


Njukwe, E.Amah, D.Ndango, R.Tenkouano, A.Asiedu, Robert[Introduction and evaluation of improved varieties of Dioscorea rotundata, and D. cayenensis with high micronutrient content in Cameroon]Introduction and evaluation of improved varieties of Dioscorea rotundata, and D. cayenensis with high micronutrient content in Cameroon

Traditional approaches to the breeding of Musa crops are highly demanding in terms of both time and space. However, the application of molecular genetic analysis may dramatically improve breeding efficiency. The objectives of the present study were to compare pedigree and DNA marker methods of es...


Tenkouano, A.Crouch, J.Crouch, H.Vuylsteke, D.R.Ortiz, R.[Comparison of DNA marker and pedigree-based methods of genetic analysis of plantain and banana (Musa spp.) clones; I: estimation of genetic relationships]Comparison of DNA marker and pedigree-based methods of genetic analysis of plantain and banana (Musa spp.) clones; I: estimation of genetic relationships

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