Volume 25, Issue 1 (2023)                   JAST 2023, 25(1): 87-98 | Back to browse issues page

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Yousefnezhad Irani R, Karimpour Y, Ziaee M. Persistence and Efficacy of Two Nanosilica Formulations on Callosobruchus maculatus in Different Pulses. JAST 2023; 25 (1) :87-98
URL: http://jast.modares.ac.ir/article-23-52917-en.html
1- Department of Plant Protection, Agricultural Faculty, Urmia University, Urmia, Islamic Republic of Iran. , yousefnezhad_r@yahoo.com
2- Department of Plant Protection, Agricultural Faculty, Urmia University, Urmia, Islamic Republic of Iran.
3- Department of Plant Protection, Agricultural Faculty, Shahid Chamran University of Ahvaz, Ahvaz, Islamic Republic of Iran.
Abstract:   (938 Views)
The persistence effects of Silica Nanoparticles (SNPs), namely, Nanosav and Aerosil®, were evaluated on several pulses for controlling Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae). For this purpose, one kg of each pulse was treated with four concentrations (50, 100, 200, and 300 mg kg-1) of each SNPs. The sampling was tested after 0, 2, 4, and 6 months’ storage period following the treatment. Adults were introduced to these samples and the number of dead adults was counted 1, 2, and 4 days after the exposure to the treated pulses. The percentage decrease in F1 progeny was calculated 42 days later. The mortality was 100% in black gram, cowpea, green gram, and chickpea when treated at a concentration of 300 mg.kg-1 of both SNP formulations in 0-month post-treatment four days after the exposure. No progeny was observed in lentil treated with 300 mg kg-1 of Nanosav in 0-month post-treatment. Another experiment was conducted to calculate SNPs adherence to the seeds. The highest adherence was on the black gram with 86 and 99.5%, in Nanosav and Aerosil®, respectively. Our results indicated that two SNPs had insecticidal activity against C. maculatus and can be used effectively in integrated pest management program of C. maculatus in stored pulses.
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Article Type: Original Research | Subject: Agricultural Economics/Agriculture Marketing and Supply Chains
Received: 2021/05/30 | Accepted: 2021/11/22 | Published: 2023/01/6

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