Postharvest Application of Bacillus amyloliquefaciens PMB04 Fermentation Broth Reduces Anthracnose Occurrence in Mango Fruit

Yu-Shen Liang, Ju-Yin Fu, Szu-Han Chao, Yuh Tzean, Chia-Yu Hsiao, Yung-Yu Yang, Yu-Kuo Chen and Yi-Hsien Lin ()
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Yu-Shen Liang: Department of Plant Industry, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Ju-Yin Fu: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Szu-Han Chao: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Yuh Tzean: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Chia-Yu Hsiao: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Yung-Yu Yang: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Yu-Kuo Chen: Department of Food Science, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
Yi-Hsien Lin: Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan

Agriculture, 2022, vol. 12, issue 10, 1-11

Abstract: Anthracnose is a destructive postharvest disease of mango fruit, especially after ripening. The application of antagonistic Bacillus spp. strains is one of many promising control strategies. B. amyloliquefaciens (PMB04) exhibits strong antagonistic activity against anthracnose in strawberry fruit, yet has not been explored for anthracnose control in mango fruit. Among seven tested rhizobacterial strains, PMB04 exhibited the strongest inhibition against Colletotrichum gloeosporioides (Cg) growth. PMB04 demonstrated better inhibitory activity against Cg mycelial growth than the fungicides pyraclostrobin and difenoconazole. A PMB04 fermentation broth (PMB04FB) was prepared and tested, and showed superior efficacy in the reduction of anthracnose disease severity in mangoes compared to a PMB04 suspension, difenoconazole, or pyraclostrobin. We further found PMB04FB increased the mortality ratio of Cg conidia. Our study demonstrates that treatment with PMB04FB is an effective control method for anthracnose in mango and represents a promising strategy for postharvest mango processing.

Keywords: agricultural management; antagonistic activity; biological control; fermentation broth; fungicides (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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