Reducing Corn Ear Rot Disease and Fumonisin Content Through Biological and Chemical Treatments
DOI:
https://doi.org/10.56286/f52x0261Keywords:
Fusarium verticillioides Fusarium proliferatum stalk rot ear rot Corn Bacillus subtilis Urea BionAbstract
Isolation results from corn seeds revealed the presence of two fungal species, F. verticillioides and F. proliferatum.The study demonstrated that treatment with B. subtilis, Bion, and urea was highly effective in inhibiting the mycelia growth of both fungi.The highest rates of growth inhibition were recorded for F. proliferatum at 70.21% and for F. verticillioides at 62.45% when using B. subtilis.The results showed that the highest average infection severity of corn cob rot was recorded with F. verticillioides at 0.51, with a significant difference from F. proliferatum at 0.46.The local variety was the most susceptible to infection, with an infection severity of 0.52, while the hybrid 7776 showed the lowest severity at 0.45. The lowest average infection severity was recorded in the urea treatment, amounting to 0.38, with a significant difference from the control treatment at 0.62.The results also indicated that the highest average amount of fumonisins was recorded in F. verticillioides treatments, at 7.79 mg/kg seed, with a significant difference from F. proliferatum at 7.22 mg.kg-1 seed.Conversely, the lowest average amount of fumonisins was recorded in the urea treatment, at 5.39 mg.kg-1 seed, with a significant difference from the control treatment.
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