Int. J. Biosci.13( 4), 24-35, October 2018
Maize (Zea mays L.) is a staple crop and widely consumed over the globe, but its production is very challenging due to its contamination by Aspergillus species. Aspergillus flavus is the most dominant fungi that produce aflatoxin in many major crops. Aflatoxin producing fungi mostly attack during the development of crops and induce infection. Present study was aimed to investigate the effects of A. flavus inoculation on grain yield of maize genotypes in open field environments at pre-harvest time. Fourteen maize genotypes were treated with A. flavus inoculum by non-wounding method (inoculated through cob silk), at grain filling stage and yield related parameters were recorded. Results indicated that maize genotype R-3305 produced higher values for cob length and number of grains per cob. Maize genotype FH-949 produced higher values for cob diameter and cob weight. Maize genotype FH-1046 produced higher value for total grains weight per cob and KSC-9663 produced higher values for 100 grains weight as compared to all other genotypes.HC-2040 produced lower values for yield related parameters as compared to all other genotypes. Based on the results of current work, it can be concluded that A. flavus inoculation affected the grain yield related parameters. The maize genotype, FH-949 and FH-1046produced better grain yield as compared to all other genotypes. Thus A. flavus inoculation affected the grain yield related component and had a pronounced role in the reduction of maize production.
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