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Vol. 11, Issue 2 (2022)

Confirming the role of fungal secondary metabolites and mycotoxins in bakanae disease incidence through artificial inoculation

Author(s):
Jagdish Yadav, Ashok Kumar Mahawer, Prashantha ST and Bishnu Maya Bashyal
Abstract:
The bakanae disease of rice is incited by Fusarium fujikuroi Nirenberg (sexual stage: Gibberella fujikuroi (Sawada) Wollen worth). The disease is becoming a serious threat to cultivation of rice specially basmati rice in India and other rice growing nations. The disease is characterized by production of various kind of symptoms like crown or foot rotting, lanky, tall slender elongated culms with pale yellow flag leaves and sterile grains. The pathogen is known to produce various secondary metabolites and mycotoxins such as Gibberellic acid, Fusaric acid, Fumonisins, Bikaverins etc which affects the pathogen virulence and type of symptoms produced. To confirm the role of the selected secondary metabolites in development of different kind of symptoms these metabolites were inoculated in two concentrations (0.25 ppm and 0.1 ppm) singly and in all possible combinations. On inoculation of FA seed germination was reduced and rotting of seedlings was observed at both concentrations. The FB1 inoculation was found not to have any significant effect on seed germination as well as disease severity and type of symptoms.
Pages: 2317-2330  |  326 Views  134 Downloads


The Pharma Innovation Journal
How to cite this article:
Jagdish Yadav, Ashok Kumar Mahawer, Prashantha ST, Bishnu Maya Bashyal. Confirming the role of fungal secondary metabolites and mycotoxins in bakanae disease incidence through artificial inoculation. Pharma Innovation 2022;11(2):2317-2330.

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