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From the Sea to Mosquito Control: The Potential of Halymenia dilatata Marine Alga as an Eco-Friendly Mosquitocidal Agent

Author

Listed:
  • Nadia Rebhi Hussni Hasan

    (Applied College, King Faisal University, Al-Ahsa 31982, Saudi Arabia
    These authors contributed equally to this work.)

  • Parthiban Yogarajalakshmi

    (Department of Biotechnology, St. Peter’s Institute of Higher Education and Research, Chennai 600 054, Tamil Nadu, India
    These authors contributed equally to this work.)

  • Prabhakaran Vasantha-Srinivasan

    (Department of Bioinformatics, Saveetha School of Engineering, SIMATS, Chennai 602 105, Tamil Nadu, India
    These authors contributed equally to this work.)

  • Wael F. Shehata

    (Agricultural Biotechnology Department, College of Agricultural and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia)

  • Narayanaswamy Radhakrishnan

    (Department of Biochemistry, Saveetha Medical College and Hospital, SIMATS, Chennai 602 105, Tamil Nadu, India)

  • Santhoshkumar Jayakodi

    (Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 600 095, Tamil Nadu, India)

  • Sengodan Karthi

    (Department of Entomology, University of Kentucky, Lexington, KY 40503, USA)

  • Sengottayan Senthil-Nathan

    (Division of Bio-Pesticides and Environmental Toxicology, Sri Paramakalyani Centre for 14 Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Tirunelveli 627 412, Tamil Nadu, India)

  • Hossam Eldin Hamed Mansour

    (Agribusiness and Consumer Sciences Department, College of Agricultural and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia)

  • Hesham S. Ghazzawy

    (Date Palm Research Center of Excellence, King Faisal University, Al-Ahsa 31982, Saudi Arabia)

  • Meimona Abdelrhim Bushara

    (Applied College, King Faisal University, Al-Ahsa 31982, Saudi Arabia)

  • Ahmed Hassan Abdou

    (Social Studies Department, College of Arts, King Faisal University, Al-Ahsa 31982, Saudi Arabia
    Hotel Studies Department, Faculty of Tourism and Hotels, Mansoura University, Mansoura 35516, Egypt)

Abstract

A marine-derived red alga, along with their active constituents, were actively screened for their biocontrol potential against major insect pests. The current study explored the larvicidal activity of crude methanolic extracts of the red alga Halymenia dilatata (Mx-Hd) against Aedes aegypti (Linn.), and their enzyme inhibition, repellent activity, and non-target toxicity was screened against non-target species. The toxicity of Mx-Hd to exposed larvae was dose-dependent, and it was significant at the maximum concentration of 100 ppm (parts per million) across the second, third, and fourth instars of Ae. aegypti . The LC 50 and LC 90 Mx-Hd concentrations for second-instar larvae were 37 and 93 ppm, respectively. Moreover, the level of major detoxifying enzymes was altered in response to the Mx-Hd treatment. The repellent activity of Mx-Hd showed maximum repellent protection at 100 ppm dosage for up to 210 min. The toxicity against non-target species showed that Mx-Hd was safe or less toxic at the prominent dosage (1000 ppm). The photomicrography results provided a prominent damage rate in fourth-instar midgut cells and tissues treated with Mx-Hd. Overall, the present study delivered an insect toxicological screening study of bioactive red alga extracts against a dengue mosquito vector, as well as a baseline for better commercialization of bioactive insecticides. Also, the bioeconomy of algal-based pesticides in managing mosquito larvae presents an exciting avenue for sustainable and eco-friendly pest control.

Suggested Citation

  • Nadia Rebhi Hussni Hasan & Parthiban Yogarajalakshmi & Prabhakaran Vasantha-Srinivasan & Wael F. Shehata & Narayanaswamy Radhakrishnan & Santhoshkumar Jayakodi & Sengodan Karthi & Sengottayan Senthil-, 2023. "From the Sea to Mosquito Control: The Potential of Halymenia dilatata Marine Alga as an Eco-Friendly Mosquitocidal Agent," Sustainability, MDPI, vol. 15(15), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:15:p:11900-:d:1209194
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