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Chinese Bulletin of Botany >

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DOI: https://doi.org/10.11983/CBB25007

The Inhibitory Efficacy of Bacillus velezensis Against Mango Anthracnose and Its Influence on Fruit Fresh Preservation

  • CAO Hui ,
  • YANG Wei-Yan ,
  • NA Qi-Ting ,
  • ZHU Zhang-Song ,
  • SONG Hai-Tiao ,
  • SHI Hua-Qun
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  • 1College of Food Science and Engineering, Hainan University, Haikou 570228, China; 2College of Life and Health Sciences, Hainan University, Haikou 570228, China

Received date: 2025-01-15

  Revised date: 2025-02-06

  Online published: 2025-02-26

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Abstract

INTRODUCTION: Anthracnose, primarily caused by Colletotrichum gloeosporioides is a main diseaseaffecting mangoes, leading to significant postharvest losses by deteriorating fruit quality and reducing shelf life. 

RATIONALE: Addressing postharvest anthracnose is a critical challenge in the mango industry. Biological control methods, such as utilizing antagonistic bacteria, offer sus-tainable alternatives to chemical treatments. This study investigates the efficacy of Ba-cillus velezensis in inhibiting C. gloeosporioides and its potential in preserving mango fruit quality. 

RESULTS: The application of B. velezensis culture filtrate (CF) effectively inhibited spore germination and mycelial growth of C. gloeosporioides. At CF concentrations of 2% and 4%, mycelial inhibition rates were 75.18% and 80.96%, respectively. In vivo experiments demonstrated that both bacterial suspension (CB) and CF treatments significantly re-duced lesion expansion on mangoes, with inhibition rates of 44.33% and 65.00%, respectively. Treated fruits exhibited a slower decrease in titratable acids and maintained higher levels of total phenols and flavonoids, indicating delayed ripening and extended shelf life. 

 CONCLUSION: Bacillus velezensis exhibits strong antagonistic activity against C. gloeosporioides, effectively controlling mango anthracnose and preserving fruit quality. Its application as a biocontrol agent holds promise for sustainable postharvest management in mango production.

Key words： Mango; Colletotrichum gloeosporioides; Bacillus velezensis; biological control; fresh preservation

Cite this article

CAO Hui , YANG Wei-Yan , NA Qi-Ting , ZHU Zhang-Song , SONG Hai-Tiao , SHI Hua-Qun . The Inhibitory Efficacy of Bacillus velezensis Against Mango Anthracnose and Its Influence on Fruit Fresh Preservation[J]. Chinese Bulletin of Botany, 0 : 1 -0 . DOI: 10.11983/CBB25007

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