The efficiency of global crop production is under threat from microbial pathogens which is likely to be worsened by climate change. Major contributors to plant disease are Pseudomonas syringae (P. syringae) pathovars which affect a variety of important crops. This opinion piece focuses on P. syringae pathovars actinidiae and syringae, which affect kiwifruit and stone fruits, respectively. We discuss some of the current control strategies for these pathogens and highlight recent research developments in combined biocontrol agents such as bacteriophages and combinations of bacteriophages with known anti-microbials such as antibiotics and bacteriocins.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11450377PMC
http://dx.doi.org/10.1111/1751-7915.70017DOI Listing

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Article Synopsis
  • The text discusses a gram-negative bacterium that affects various plants, highlighting the challenges in controlling its rapid spread.
  • Several antimicrobial strategies are available, such as chemical agents, biological control, and innovative approaches using secondary metabolites and nanoparticles, with chemical control being the most common yet environmentally concerning.
  • Combining treatments, like bacteriophages and antimicrobial peptides with secondary metabolites, could enhance effectiveness, though cost and toxicity concerns exist, suggesting low-concentration approaches may be the most beneficial.
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The efficiency of global crop production is under threat from microbial pathogens which is likely to be worsened by climate change. Major contributors to plant disease are Pseudomonas syringae (P. syringae) pathovars which affect a variety of important crops.

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