Summary
Chilli pepper agroecosystems (<i>Capsicum annuum</i> L.) are increasingly threatened by cadmium (Cd) contamination, with emerging climatic stressors such as drought further exacerbating risks to food safety and crop productivity. This review synthesizes current evidence on microbiome-mediated Cd phytostabilisation in chilli pepper, with a particular focus on the roles of capsaicinoids and cultivar-specific genetic regulation in shaping rhizosphere microbial communities. Existing studies demonstrate that capsaicinoid-rich cultivars selectively recruit specialized rhizosphere microbes, enhancing root-level Cd sequestration and achieving Cd retention efficiencies of approximately 40-55%, thereby substantially restricting Cd translocation to edible fruit tissues. Multi-strain plant growth-prom
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