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IJSTR >> Volume 1 - Issue 5, June 2012 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Comparative Effect of Nigerian Indigenous Plants In The Control of Anthracnose Disease of Mango Fruits

[Full Text]

 

AUTHOR(S)

Charles Onyeani. Samuel Osunlaja

 

KEYWORDS

Anthracnose disease, control materials, comparative effect, indigenous plants.

 

ABSTRACT

Production of anthracnose-free mango fruits in Southwestern Nigeria rely heavily on the use of synthetic pesticides. But the hazardous effects of these pesticides on both human and the environment especially among illiterate farmers in the region offsets their benefits. This study, investigated the effect of aqueous and alcohol extract of Anonna squamosa, Azadirachta indica and Vernonia amygdalina in the control of fruit anthracnose disease of mango. The result of the investigation revealed that there was a significant reduction in the development and severity of anthracnose lesions on mango fruits treated after harvest with aqueous and alcohol extracts of the three indigenous plants. One-way ANOVA with Duncan Multiple Range Test conducted revealed that, the least disease index of 0.27 was recorded in both 10% (aqueous extract) and 30% (alcoholic extract) concentrations of Annona squamosa treatments and this was superior to 0.33 disease index recorded in benomyl treated fruits. Based on the result of this investigation, the three tested indigenous plants have the potential of good candidates for the replacement of synthetic pesticides in the control of fruit anthracnose disease of mango.

 

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