2024. Extraction of Pyrethrins from Chrysanthemum cinerariifolium petals, its application as a Bioinsecticide and study of its effects on Rice Weevil Sitophilus oryzae. Sindh University Research Journal - SURJ (Science Series). 56, 1 (Jun. 2024), 18–26. DOI:https://doi.org/10.26692/surj-ss.v56i1.6773.