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April 3, 2026Plant Science Today0 citationsOpen Access

Efficacy Of Biocontrol Agents Against Alternaria Leaf Blight Disease In Anthurium

Efficacy and mode of actions of biocontrol agents against Alternaria alternata causing leaf blight disease in Anthurium

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Authors

STS ThangeswariSMS K ManoranjithamNIN Indra

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Overview

A comparative study evaluates biocontrol agents’ efficacy in reducing Alternaria leaf blight in Anthurium, suggesting eco-friendly management options.

Key Points

  • This research aims to evaluate the efficacy of various biocontrol agents against Alternaria alternata, the cause of leaf blight disease in Anthurium.
  • Isolated bacterial and fungal biocontrol agents from the rhizosphere of Anthurium.
  • Tested 17 isolates including fluorescent pseudomonads, Bacillus spp., and Trichoderma viride against Alternaria alternata.
  • Characterized rhizobacterial isolates molecularly to confirm identity.
  • Applied coir pith-vermicompost formulation of effective isolates in pot and field experiments.
  • Isolates Pf1, BsM3, and Tv2 demonstrated strong in vitro antagonism against Alternaria alternata.
  • Soil application of Pf1 reduced disease severity by approximately 55% in pot culture and 48% in field trials.
  • Isolates produced beneficial compounds like siderophore, salicylic acid, and indole-3 acetic acid.

Cite This Study

Thangeswari et al. (2026) studied this question.

synapsesocial.com/papers/69cf5d345a333a821460aeadhttps://doi.org/10.14719/pst.11383
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