Innovative application of frankincense resin as a sustainable bio-adhesive for insect trapping in legume crops
Résumé
Abstract Field experiments were conducted in Kafr El-Dawar, El-Beheira, Egypt during the 2025 summer season using a completely randomized design with four replications to evaluate bio-adhesive sticky traps formulated from frankincense resin as eco-friendly alternatives to imported commercial traps in cowpea fields. Two colors (yellow and blue) were tested for each trap. Luban-based adhesive was prepared using frankincense resin, starch, sugar, yeast, beeswax, molasses, and essential oils. Yellow traps captured significantly higher numbers of aphids and whiteflies compared with other pest groups, with no significant differences between Luban-based and commercial traps for most pests, except cotton bollworm where Luban traps recorded significantly higher captures. Blue Luban traps also outperformed commercial ones in capturing whiteflies, jassids, thrips, and cotton bollworm, while aphid and cowpea beetle catches were statistically similar. Economic analysis revealed that Luban-based traps cost less (360 L.E/fed) than commercial traps (780 L.E/fed). Although commercial traps resulted in a significantly higher yield, the net return and investment ratio remained comparable between treatments (0.26 and 0.27). Furthermore, a preliminary carbon-footprint assessment indicated that Luban-based traps reduced estimated environmental emissions by approximately 25–40% compared to imported synthetic traps, due to their biodegradable composition and reliance on locally sourced natural materials, supporting low-carbon agricultural systems. These findings indicate that Luban-based sticky traps are cost-effective, environmentally sustainable, and demonstrate considerable potential as patentable innovations that enable sustainable pest management in cowpea systems and reducing dependence on chemical insecticides.
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