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This study investigated the effectiveness of three adhesive agents—mandacaru extract, polyvinyl acetate-based glue (PVA), and cassava gum—in coating heirloom fava bean seeds with rock dust for improved germination vigor. Conducted at the Federal University of Alagoas, the experiment aimed to enhance the value of these seeds in a competitive market.

Key Findings:

- Efficient Adhesives: PVA glue and cassava gum demonstrated superior performance in adhering seed coating to rock dust.
- Seed Characteristics: All treatments showed significant improvements in germination parameters compared to the control (water).
- Analyzed Parameters: The study assessed water content, thousand seed weight, germination count, percentage, speed index, mean time, uncertainty index, root and shoot length, and seedling dry mass.
- Traditional Relevance: The research highlights the potential of traditional communities' knowledge in seed coating techniques, emphasizing cost-effectiveness and cultural preservation.

Conclusion:

The study concludes that PVA glue and cassava gum are effective adhesive agents for pelleting heirloom fava bean seeds with rock dust, enhancing their germination quality and market value.