
	Asian Journal of Crop Science
	Year: 2009 \| Volume: 1 \| Issue: 1 \| Page No.: 15-25 DOI: 10.3923/ajcs.2009.15.25

GenotypexEnvironment Interaction for Resistance to Purple Blotch (Alternaria porri L. (Ellis) Cif.) in Onion (Allium cepa L.) in Nigeria

L. Abubakar and S.G. Ado

Abstract: Five onion cultivars were crossed in a diallel and their progenies evaluated at Sokoto and Talata Mafara, during the 2004/2005 and 2005/2006 seasons. Thirty milliliter of 10-1 cfu of spore suspension of Alternaria porri was poured into each plot. Combined analysis indicated that location, recorded highly significant mean squares (p<0.01) for disease incidence, fresh and cured bulb yields. Genotype recorded highly significant (p<0.01) mean squares for all characters. Genotypexlocation interactions recorded highly significant (p<0.01) mean squares for disease incidence and severity and fresh and cured bulb yields.

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How to cite this article:

L. Abubakar and S.G. Ado, 2009. GenotypexEnvironment Interaction for Resistance to Purple Blotch (Alternaria porri L. (Ellis) Cif.) in Onion (Allium cepa L.) in Nigeria. Asian Journal of Crop Science, 1: 15-25.

DOI: 10.3923/ajcs.2009.15.25

URL: https://scialert.net/abstract/?doi=ajcs.2009.15.25

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