Pesticide free methods of maize weevil control in stored maize for developing countries

Bbosa, Denis

doi:10.31274/etd-180810-3628

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Residual Effects Of Weed Extracts Against Maize Weevil1

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“…The results of present study are more or less similar to that of Bosa (2014). From the maize-amaranth experiment, he concluded that blending maize with amaranth during storage reduced maize weevil population growth by 46% compared to storing maize alone.…”

Section: Residual Effects Of Weed Extracts Against Maize Weevilsupporting

confidence: 84%

Evaluation of toxicity of five medicinal plant extracts on maize weevil, Sitophilus zeamais (Mots.) (Coleoptera: Curculionidae) on stored maize

Johora¹,

Ahad²,

Khatun³

et al. 2021

International Journal of Agricultural Sciences and Technology

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Section: Residual Effects Of Weed Extracts Against Maize Weevilsupporting

confidence: 84%

Evaluation of toxicity of five medicinal plant extracts on maize weevil, Sitophilus zeamais (Mots.) (Coleoptera: Curculionidae) on stored maize

Johora¹,

Ahad²,

Khatun³

et al. 2021

International Journal of Agricultural Sciences and Technology

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Using oxygen depletion to reduce maize weevils without chemicals in a storage minienvironment

Duong

Khanh

Xuan

et al. 2020

Vietnam Journal of Chemistry

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The growth of main maize weevils Sitophilus zeamais (Motschulsky) (SzM) was studied in maize storage minienvironments (MEs) with different oxygen concentration (CO2) ranging from 0 %, 5 %, 10 %, 15 % and 21 %. The obtained results showed that at low oxygen concentrations of 15 %, 10 % and 5 %, the total number of weevils presented in the MEs (alive or dead) at moments of tallying weevils, decreased as a function of CO2. In ME at 5 % oxygen, after 80 testing days there were 90 weevils appeared; but in ME at 21 % oxygen there were 576 weevils appeared. In ME at CO2 = 0 % there was no weevils appeared. Consequently there was not found any dead weevil, in terms of pure mathematics as same as at oxygen concentration of 21 %. It was found that, in the test frame at oxygen concentration range of 5‐21 %, the lower the oxygen concentration in the ME, the lower the number of weevils appeared, and the larger the number of death weevils. However the ME with CO2 = 0 %, where was no weevil SzM appeared, was considered as one of the most suitable for the maize grain preservation without using any chemical.

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Pesticide free methods of maize weevil control in stored maize for developing countries

Abstract: corn and foreign material (BCFM) and mechanical damage (MD) were not significantly different. Hermetically sealed steel barrels for maize storage control maize weevils and they may be an effective storage option for smallholder farmers.

Cited by 2 publications

References 36 publications

Evaluation of toxicity of five medicinal plant extracts on maize weevil, Sitophilus zeamais (Mots.) (Coleoptera: Curculionidae) on stored maize

Evaluation of toxicity of five medicinal plant extracts on maize weevil, Sitophilus zeamais (Mots.) (Coleoptera: Curculionidae) on stored maize

Using oxygen depletion to reduce maize weevils without chemicals in a storage minienvironment

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