Determining the importance of insects and wounding to Aspergillus Kernel infection and aflatoxin contamination of corn
1994
Garcia, R.P. | Barrios, H.A.
In the dry season crop, there was an apparent correlation between wounding and insecticide application and the extent of kernel damage/ear, kernel infection and aflatoxin content. It was observed that the wounded, inoculated and no insecticide applied had the highest value for the abovementioned parameters compared with all treatments in kernels adjacent and away from the wounds. Similar trend was observed in the wet season crop except for some unwounded treatments which had higher kernel infection compared to wounded ones. This could be attributed to insect's attack which created wounds or injuries for the entrance and infection of other fungal species. Wounding and insecticide application play an important role in preharvest kernel infection by A. flavus and the subsequent aflatoxin contamination. However, the specific effect of each could not be well delineated as such because of the interaction with varying environmental conditions prevailing in the field
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