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  • Investigation of fluctuation in infestation of citrus whitefly Dialeurodes citri (Ashmead, 1885) and its predators in organic citrus orchards under varying climatic conditions [Elektronski vir] : a case study from north-west Algeria
    Mahmoudi, Abdelhaq ; Allal Benfekih, Leila ; Goosen, Mattheus F. A.
    The citrus pest, Dialeurodes citri (Ashmead, 1885), poses a significant threat to citrus crops, impacting growth. Various control methods, including biological measures using natural predators like ... Clitostethus arcuatus (Rossi, 1794), Chrysoperla carnea (Stephens, 1836), and Semidalis aleyrodiformis (Stephens, 1836), were studied over a year in the Chlef region of northwest Algeria. Results indicated that a temperature range of 19.5 °C to 30.5 °C, with 65 % humid-ity and no precipitation, favored the emergence of D. citriadults. Throughout the study, S. aleyrodiformis and C. arcuatusemerged as the predominant predators. A strong negative cor-relation (r = -0.91) was observed between D. citri abundance and C. arcuatus caught on traps. The correlation between nymphal infestation rates and monthly average temperatures was negative (r = -0.72), with temperatures ranging from 13 °C to 27 °C and humidity between 47 % and 73 %, conducive to D. citri nymphal infestation. Precipitation negatively impacted D. citri and its predators, causing a decline in adult numbers during the rainy season. The overarching goal is to establish an integrated biological control system, bolstering the economic viability of citrus cultivation in the region.
    Vir: Acta agriculturae Slovenica [Elektronski vir]. - ISSN 1854-1941 (Vol. 120, No. 1, 2024, 11 str.)
    Vrsta gradiva - e-članek
    Leto - 2024
    Jezik - angleški
    COBISS.SI-ID - 191811331

    Povezava(-e):

    https://journals.uni-lj.si/aas/article/view/18050/15496
    DOI

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