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Agro-Science
Journal of Tropical Agriculture, Food, Environment and Extension
 

ISSN 1119-7455
   
 
         
 
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Article No 3 of Volume 8.3 (2009)
 
    
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THE EFFECTS OF ORGANIC AND INORGANIC FERTILIZERS ON GROWTH, YIELD AND BLACK SIGATOKA DISEASE REACTION OF SOME PLANTAIN (MUSA SPP. AAB) GENOTYPES IN SOUTH-EASTERN NIGERIA

THE EFFECTS OF ORGANIC AND INORGANIC FERTILIZERS ON GROWTH, YIELD AND BLACK SIGATOKA DISEASE REACTION OF SOME PLANTAIN (MUSA SPP. AAB) GENOTYPES IN SOUTH-EASTERN NIGERIA.

 

Ndukwe. 1, O. O,  Muoneke1, C. O. * Baiyeri ,2* K. P. and Tenkouano,3 A.

1Department of Agronomy, Michael Okpara University of Agriculture,

Umudike, Abia State, Nigeria.

2 Department of Crop Science, University of Nigeria, Nsukka, Nigeria.

3 International Institute of Tropical Agriculture, High Rainfall Station,

Onne, Rivers State, Nigeria.

 

*Authors for all correspondence: paulkayodebaiyeri@yahoo.com

     cosmuoneke@yahoo.com

 

 

ABSTRACT

Three plantain hybrids (‘29525’, ‘30456-3’, ‘PITA 14’) and a landrace genotype ‘Agbagba’ (as control) were field evaluated in response to organic and inorganic fertilizers at the International Institute of Tropical Agriculture, High Rainfall Station, Onne, Rivers State, Nigeria, for two cropping cycles. The experimental design was a 4 x 3 factorial in randomized complete block, replicated thrice. Growth, yield and black sigatoka disease parameters were measured during the two cropping (plant and ratoon crop) cycles of evaluation. The genotypes ‘29525’ and ‘PITA 14’ produced significantly (P < 0.05) higher leaf area, number of standing leaves and index of non-spotted leaves; however, genotype ‘30456-3’ retained more functional leaves at harvest while genotype ‘29525’ produced heavier bunches/ha during the two cropping cycles. Poultry manure supported the best plant growth and yield parameters, especially index of non-spotted leaves, number of standing leaves at flowering and at harvest, leaf retention index and  bunch yield/ha. There was a strong and positive relationship between the index of non-spotted leaves and bunch yield/ha. The newly developed hybrids (‘29525’ and ‘30456-3’) were confirmed to be tolerant to black sigatoka disease with fertilizer application reducing the severity of the disease. Similarly, these two new hybrids had comparatively good agronomic traits that could warrant their recommendation for on-farm adaptive trial.

 

 

Keywords: Musa genotypes, Fertilizer, Black Sigatoka disease, Growth, Yield.

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Date:15/12/2017
 
     
 
 
 
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