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  • Open Access


    Insecticidal Potential of α-Pinene and β-Caryophyllene against Myzus persicae and Their Impacts on Gene Expression

    Talha Ali Chohan1,*, Tahir Ali Chohan2,*, Muhammad Zahid Mumtaz1, Muhammad Waqar Alam3, Salah ud Din4, Iqra Naseer5, Ayesha Riaz1, Tayyeba Naseem1, Areeba Iftikhar6, Dur E. Najaf Ali1, Mubashir Hassan7, Hayssam M. Ali8

    Phyton-International Journal of Experimental Botany, Vol.92, No.7, pp. 1943-1954, 2023, DOI:10.32604/phyton.2023.026945

    Abstract Myzus persicae (M. persicae) is now considered a threat to agricultural crops due to economic losses. Numerous synthetic insecticides applied every year against M. persicae, are reported to be unsafe for environment, humans, and beneficial insects. Furthermore, several species of Myzus have been found to develop resistance due to over application of these insecticides. Therefore, it is required to find some novel insecticide that would be safe for the environment as well as for humans. In the current study, two major pure constituents α-pinene and β-caryophyllene were evaluated for their insecticidal potential against M. persicae using a fumigant toxicity assay.… More >

  • Open Access


    Preparation of Amide-Containing Insecticidal Derivatives from the Renewable Natural Product β-Pinene

    Jiulong Wang1, Yanqing Gao2, Xiaoping Rao3, Zongde Wang1, Shibin Shang4, Zhanqian Song4, Hongyan Si1,*, Shengliang Liao1,*

    Journal of Renewable Materials, Vol.11, No.5, pp. 2367-2379, 2023, DOI:10.32604/jrm.2023.026333

    Abstract The preparation of bioactive derivatives from the renewable natural product pinene is a hot research topic in the deep processing and utilization of pinene. In this study, β-pinene was used to develop novel molecules as a promising new precursor of insecticide. A series of amide-containing derivatives of β-pinene were synthesized and characterized. The insecticidal activities of these derivatives against Mythimna separate and Semiaphis heraclei were tested. The structure characterization results showed that the characterization data of amide-containing derivatives were in full agreement with their proposed structures. The insecticidal activities evaluation results indicated that amide-containing derivatives exhibited weak insecticidal activity against… More >

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