International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 11, Issue:1, January, 2022

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2022.11(1): 293-300

In vitro Evaluation of Bioagents and Botanicals against Aspergillus niger (Van Tieghem) causing Storage Rot of Onion
Mangesh Shivaji DhumaliD1*, J. S. Arekar2, Y. R. Govekar1 and P. D. Potphode3
1Department of Plant Pathology, DBSKKV, Dapoli, India
2KVK, Roha, Raigad, India
3Department of Plant Pathology, COH, Mulde, India
*Corresponding author

In Maharashtra, onion is most important commercial vegetable crop. Storage rot caused by Aspergillus niger (Van Tieghem) has been reported as major constraints in successful cultivation and post-harvest management of onion production. Therefore present study was carried out for effective biological management of Aspergillus niger. Eight bioagents were evaluated against A. niger, among them maximum mycelial growth inhibition was observed in Trichoderma harzianum (81.11%) followed by T. virens (78.22%), T. hamatum (72.66%), T. viride (64.88%), T. asperellum (61.88%) and Bacillus subtilis (57.77%). Lowest mycelial growth inhibition was recorded in Penicillium spp. followed by Pseudomonas fluorenscence (55.55%). Among all the botanicals studied, complete inhibition of the mycelial growth occurred in Eucalyptus globules. This was followed by Zingiber officinale (94.44%), Azadirachta indica (69.33%), Ocimum sanctum (64.88%) and Curcuma longa (62.22%). The least (49.67%) mycelial inhibition was recorded with Lantana camara followed by Syzygium aromaticum (61.11%). Maximum growth was recorded in control.

Keywords: Aspergillus niger, onion, storage rot, bioagents, botanicals, in vitro

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How to cite this article:

Mangesh Shivaji Dhumal, J. S. Arekar, Y. R. Govekar and Potphode, P. D. 2022. In vitro Evaluation of Bioagents and Botanicals against Aspergillus niger (Van Tieghem) causing Storage Rot of Onion.Int.J.Curr.Microbiol.App.Sci. 11(1): 293-300. doi:
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