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Title

EVALUATION OF CONIDIA-DUST FORMULATION OF THE ENTOMOPATHOGENIC FUNGUS, METARHIZIUM ANISOPLIAE TO BIOCONTROL THE BROWN-BANDED COCKROACH, SUPELLA LONGIPALPA F.

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Abstract

 Background: The brown-banded cockroach SUPELLA LONGIPALPA (F.) as a mechanical vector of pathogens and source of allergens has recently become widespread in the city of Ahvaz, southwestern Iran.Objectives: This research was done to evaluate the efficacy of a dust-formulation of METARHIZIUM ANISOPLIAE isolate IRAN 437C, as a common entomopathogenous fungus, against S. longipalpa.Materials and Methods: Conidia dust-formulations of M. anisopliae were prepared in proportions of 1%, 5%, 10%, 25%, 50% and 100% with bad wheat flour as the carrier. Cockroaches were exposed to surfaces treated with 1.5 mg/cm2 of the formulations under laboratory and semi-field conditions.Results: Cockroach mortality rates increased and survival times (ST50) decreased with an increased proportion of conidia from 1% to 100% but records taken for mortality and survival time from proportions of 25%, 50% and 100% were not significantly different. The mortality rates reached 100% and 90-100% in adults and nymphs, respectively on the seventh day. The lowest ST50 was related to the proportion of 100% (3 days). Probit analysis indicated LD50 and LD90 values of 1.7×106 and 1.7×107 conidia/cm2 for adults and these values changed to 4.5×106 and 2.9 × 107 for third and fourth instar nymphs at three days post exposure. Proportion of 25% caused mortality rates of 87%, 81% and 73% in adult, adult & nymph and nymph populations, respectively at four days after exposure under room conditions.Conclusions: Conidia dust-formulation of M. anospliae isolate IRAN 437C could present a promising alternative to control the brown-banded cockroach.

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    APA: Copy

    SHARIFIFARD, MONA, MOSADEGH, MOHAMMAD SAEID, VAZIRIANZADEH, BABAK, & LATIFI, SEYED MAHMOOD. (2014). EVALUATION OF CONIDIA-DUST FORMULATION OF THE ENTOMOPATHOGENIC FUNGUS, METARHIZIUM ANISOPLIAE TO BIOCONTROL THE BROWN-BANDED COCKROACH, SUPELLA LONGIPALPA F.. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 7(6), 0-0. SID. https://sid.ir/paper/317378/en

    Vancouver: Copy

    SHARIFIFARD MONA, MOSADEGH MOHAMMAD SAEID, VAZIRIANZADEH BABAK, LATIFI SEYED MAHMOOD. EVALUATION OF CONIDIA-DUST FORMULATION OF THE ENTOMOPATHOGENIC FUNGUS, METARHIZIUM ANISOPLIAE TO BIOCONTROL THE BROWN-BANDED COCKROACH, SUPELLA LONGIPALPA F.. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2014;7(6):0-0. Available from: https://sid.ir/paper/317378/en

    IEEE: Copy

    MONA SHARIFIFARD, MOHAMMAD SAEID MOSADEGH, BABAK VAZIRIANZADEH, and SEYED MAHMOOD LATIFI, “EVALUATION OF CONIDIA-DUST FORMULATION OF THE ENTOMOPATHOGENIC FUNGUS, METARHIZIUM ANISOPLIAE TO BIOCONTROL THE BROWN-BANDED COCKROACH, SUPELLA LONGIPALPA F.,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 7, no. 6, pp. 0–0, 2014, [Online]. Available: https://sid.ir/paper/317378/en

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