Potentials of Two Indigenous Plants Powder for the Control of Stored Maize Weevil, Sitophilus zeamais (Motschulsky)

Ogban, Emmanuel; Ukpong, I. G.; Oku, E. E.; Usua, E. J.; Udo, S. E.; Ogbeche, J. O.; Ajang, R. O.

doi:10.9734/ajea/2015/10475

Cited by 5 publications

(5 citation statements)

References 15 publications

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“…The ability of the extract to bring about significant (P < 0.05) insect mortality indicated that the powders have contact toxicity. The study also supports Ogban et al (2015), who reported that Acmella oleracea was highly toxic and may act as antifeedant to insects thereby leading to starvation and subsequent death.…”

Section: Effect Of Cymbopogon Citratus Application On Zea Mays Grainssupporting

confidence: 87%

Efficacy of Cymbopogon citratus Stapf leaf extract as seed protectant against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) on stored maize (Zea mays L.)

Oboho

Eyo

Ekeh

et al. 2017

JBC

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A laboratory experiment was conducted to evaluate the insecticidal property of Cymbopogon citratus leaf extract as seed protectant against maize weevil. One (1) gram each of acetone, chloroform, methanol and aqueous extracts were re-suspended in 5 ml of deionized water and used to impregnate filter papers set in four replicates. Varied concentrations of the aqueous extract per 50 g of Zea mays grains infested with 10 pairs of sexed Sitophilus zeamais for 28 days were tested for insecticidal properties and compared with experimental and synthetic conventional insecticide [Coopex (0.25 g)] controls. Parameters assessed were effect of C. citratus extracts on weevil mortality (toxicity test) and protection of maize against S. zeamais. Data obtained were analyzed using Analysis of Variance (ANOVA) and means were separated using New Duncan Multiple Range Test at 5% level of significance. Results showed significant (P < 0.05) concentration and duration dependent mortalities of S. zeamais. The aqueous extract gave the highest protection of the maize grains followed by chloroform, methanol and acetone extracts respectively. The insecticidal potency of C. citratus extracts and its availability places it as an attractive biopesticide in traditional post-harvest seed protection.

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Section: Effect Of Cymbopogon Citratus Application On Zea Mays Grainssupporting

confidence: 87%

Efficacy of Cymbopogon citratus Stapf leaf extract as seed protectant against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) on stored maize (Zea mays L.)

Oboho

Eyo

Ekeh

et al. 2017

JBC

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“…Means were compared using Tukey's Multiple Comparison Test at 0.05 probability level to check the significant differences among treatments. Earlier utilization of plant powders as stored grain protectant has been reported by Ogban et al, (2015). The effect of different plant products may depend on several factors which include its chemical composition and susceptibility of an insect pest (Isman & Akhtar, 2004).…”

Section: Discussionmentioning

confidence: 99%

Insecticidal and Antifeedant Activity of Andrographis paniculata as Rice Grain Protectant against Red Flour Beetle (Tribolium castaneum Herbst)

Sayat¹

2023

RRJ

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The red flour beetle (Tribolium castaneum Herbst) is the most common stored-product insect pest infesting rice, which acts as vector for several fungal post-harvest diseases. To eradicate such pest, fumigation with chemicals is often used. As a natural alternative, this study explored the potential of Andrographis paniculata, an indigenous herb in the Philippines, as an antifeedant agent against T. castaneum. Three treatment groups were prepared, consisting of 2kg infected rice with 50 starved unsexed adult red flour beetles. Two grams of A. paniculata crushed leaves were placed inside a teabag (5.5 cm x 7 cm). Different amounts of A. paniculata tea bags (2 g, 4 g, and 6 g) were used for each treatment to determine its toxicity and antifeedant effect. Gathered data were further analyzed by analysis of variance (ANOVA) to compare the significant differences among treatments. Results of the study showed that among the treatments, three teabags (6g) of A. paniculata crushed leaves exhibited the highest percent insect mortality (50%) and lowest percent weight loss (1.87%) of rice. Therefore, this study suggests that three teabags of A. paniculata powder may be used for the efficient management of T. castaneum infestation and reduce the weight loss of rice in storage.

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“…Currently, sustainability and feeding a growing global population has spiked an overwhelming concern worldwide. Research on alternative eco-friendly and sustainable methods to control pests has become necessary due to public concerns about the toxicity of pesticides and their effects on both the environment and on public health [62,108]. Many studies agree that there is a need to develop alternative strategies with low adverse effects on consumers and less persistent effects on the environment [109][110][111].…”

Section: Medicinal Plants As a Natural Approach To Technical Control ...mentioning

confidence: 99%

Medicinal Plants as a Natural Greener Biocontrol Approach to “The Grain Destructor” Maize Weevil (Sitophilus zeamais) Motschulsky

Phokwe,

Manganyi

2023

Plants

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According to the United Nations (UN), the global population may skyrocket to 9.8 billion people in 2050 and 11.2 billion in 2100, placing an overwhelming burden on food security as the world will have to meet this growing demand. Maize is the largest staple grain crop produced in developing countries. The maize weevil, Sitophilus zeamais, is one of the most destructive post-harvest pests of stored cereals and grains. The maize weevil contributes up to 40% of total food-grain losses during storage, mainly in developing countries. Current synthetic pesticides are ineffective, and, moreover, they raise serious environmental safety concerns as well as consumer health hazards. Drawing from past oversights and current environmental realities and projections, the global population has been switching to green living by developing sustainable strategies. In our context, these new greener strategies include the utilization of medicinal plants to control maize weevil infestation, which unlocks unlimited innovative possibilities, and, thus, improves the yield, quality, and safety of maize. Medicinal plants are less toxic, easily biodegradable, and capable of protecting grain from pests. This paper systematically outlines the literature on host plants as well as the feeding and associated diseases of the maize weevil. In light of this, we cement medicinal plants as excellent candidates in the pursuit of greener, sustainable, more potent, and cost-effective pesticides.

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Potentials of Two Indigenous Plants Powder for the Control of Stored Maize Weevil, Sitophilus zeamais (Motschulsky)

Cited by 5 publications

References 15 publications

Efficacy of <i>Cymbopogon citratus</i> Stapf leaf extract as seed protectant against <i>Sitophilus zeamais</i> Motschulsky (Coleoptera: Curculionidae) on stored maize (<i>Zea mays</i> L.)

Efficacy of <i>Cymbopogon citratus</i> Stapf leaf extract as seed protectant against <i>Sitophilus zeamais</i> Motschulsky (Coleoptera: Curculionidae) on stored maize (<i>Zea mays</i> L.)

Insecticidal and Antifeedant Activity of Andrographis paniculata as Rice Grain Protectant against Red Flour Beetle (Tribolium castaneum Herbst)

Medicinal Plants as a Natural Greener Biocontrol Approach to “The Grain Destructor” Maize Weevil (Sitophilus zeamais) Motschulsky

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