Vol. 7, Issue 4 (2019)
Evaluation of maize hybrids and inbred lines for resistance to pre-harvest aflatoxin and fumonisin producing fungal contamination in the field
Author(s): Ajithkumar K, Naik MK, Sreenivasa MY, Gangadhar Naik, Amaresh YS and Girijesh GK
Abstract: Resistance of maize to pre-harvest mycotoxin contaminating fungi, Aspergillus flavus and Fusarium verticillioides, is a goal in breeding programs that screen for these important traits with the aim of developing resistant commercial hybrids. We conducted two years of field experiment for evaluation of 125 advanced breeding lines of maize. Aflatoxin and fumonisin producing fungi were present in majority of the samples harvested from all lines in both the years. The results of the maize germplasm screening revealed that, out of 125 germplasm screened none of them showed immune and highly resistant response to mycotoxigenic fungi, whereas only one germplasm from the pool of CIMMYT hybrids namely Z979-38 showed resistant reaction only against A. flavus but moderately resistant to F. verticillioides. These selected lines, particularly Z979-38, may provide sources of resistance to A. flavus contamination in breeding programs. However, the mechanism of resistance in this germplasm remains to be identified.
Pages: 809-818 | 283 Views 63 Downloads
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How to cite this article:
Ajithkumar K, Naik MK, Sreenivasa MY, Gangadhar Naik, Amaresh YS, Girijesh GK. Evaluation of maize hybrids and inbred lines for resistance to pre-harvest aflatoxin and fumonisin producing fungal contamination in the field. Int J Chem Stud 2019;7(4):809-818.
