'' '' '' '' Bioefficacy of <em>Bacillus amyloliquefaciens </em>Strain DGA14 as Potential Microbial Control Agent Against <em>Colletotrichum gloeosporioides </em>Causing Papaya Anthracnose
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles                      Volume : 11, Issue:3, March, 2022

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
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(3): 86-94
DOI: https://doi.org/10.20546/ijcmas.2022.1103.011


Bioefficacy of Bacillus amyloliquefaciens Strain DGA14 as Potential Microbial Control Agent Against Colletotrichum gloeosporioides Causing Papaya Anthracnose

Mary Amor G. FigueroaiD*

Faculty of the Surigao State College of Technology, Magpayang, Mainit, Surigao del Norte, CARAGA Region, Philippines
*Corresponding author
Abstract:

Anthracnose is an important fungal disease of papaya and caused major losses to its production worldwide. Common management of the disease involves the use of pesticides however, due to the increasing concern on the use of pesticides, alternative control have been encouraged. Use of microbial control agents are one of the potential alternatives to the management of the disease. Hence, this study was conducted to evaluate the bioefficacy of B. amyloliquefaciens strain DGA14as potential microbial control agent against C. gloeosporioides Penz causing papaya anthracnose under in vitro and in vivo test conditions and to determine the most effective level of B. amyloliquefaciens against C. gloeosporioides. Increasing levels of the bacterium such as 15 ml, 20 ml, 25 ml, and 30 ml per liter water were tested against the pathogen and were compared to control (sterilized distilled water). The experiments were laid out in Completely Randomized Design (CRD) with three replications. The data were statistically analyzed using the Analysis of Variance (ANOVA) and the treatment means were compared using Tukey’s Honest Significant Difference (HSD). Results in in vitro test showed that Bacillus amyloliquefaciens at 30ml per liter of water significantly inhibited C. gloeosporioides with zone of growth of 13.30mm and subsequent growth inhibition of 61.75%. Results of the in vivo test likewise showed that B. amyloliquefaciens at 30ml per liter of water applied as fruit-dip delayed the appearance of anthracnose symptom by two days and significantly reduced the severity of papaya anthracnose (DSI=1.42).


Keywords: Papaya anthracnose, Colletotrichum gloeosporioides, microbial agent, Bacillus amyloliquefaciens
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How to cite this article:

Mary Amor G. Figueroa. 2022. Bioefficacy of Bacillus amyloliquefaciens Strain DGA14 as Potential Microbial Control Agent Against Colletotrichum gloeosporioides Causing Papaya Anthracnose.Int.J.Curr.Microbiol.App.Sci. 11(3): 86-94. doi: https://doi.org/10.20546/ijcmas.2022.1103.011
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.