Assessment of four plant extracts as maize seed protectants against Sitophilus zeamais and Prostephanus truncatus in Ghana

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dc.contributor.authorGariba, Samuel Yakubu
dc.contributor.authorDzidzienyo, Daniel Kwadjo
dc.contributor.authorEziah, Vincent Yao
dc.date.accessioned2023-04-21T19:27:37Z
dc.date.available2023-04-21T19:27:37Z
dc.date.issued2021-04-25
dc.description.abstractSitophilus zeamais and Prostephanus truncatus can cause weight loss of about 20 to 90% of untreated stored maize seeds. This study assesses four plants (Lantana camara, Moringa oleifera, Citrus sinensis and Hyptis suaveolens) extracts as seed maize protectants against the two insects in Ghana. The study was laid out in a CRD with three replications. Dried powders (5 and 10% w/w) and aqueous extracts (0.05 and 0.1 g/mL) of the botanicals were evaluated for their insecticidal activity with untreated control and Actellic included as checks. Oviposition and survivorship of insects decreased in grains treated with plant extracts. The phytochemical analysis revealed that compounds such as alkaloids, saponins, tannins and phenolic, steroids, flavonoids, anthraquinones, phlobatannins, cardiac glycosides and terpenoids were recorded in all four plant extracts. These compounds may have caused lower progeny emergence, inhibitory effect, repellent action and antifeedant effect to S. zeamais and P. truncatus in grains treated with the botanicals. Maize seeds treated with botanicals after 10 weeks in cribs recorded a reduction in the percentage of seeds damaged and weight loss caused by the two insects compared to the untreated seeds. The study proposes that the botanicals tested, especially H. suaveolens have the potential to enhance quality seed production thereby boosting growth in the seed industry. The botanicals are recommended for use by seed producers and farmers to control P. truncatus and S. zeamais in stored maize seeds.en_US
dc.description.sponsorshipACE: Crop Improvementen_US
dc.identifier.citationhttps://doi.org/10.1080/23311932.2021.1918426en_US
dc.identifier.issn2331-1932
dc.identifier.urihttps://datad.aau.org/handle/123456789/1499
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.subjectSitophilus zeamaisen_US
dc.subjectProstephanus truncatusen_US
dc.subjectLantana camaraen_US
dc.subjectMoringa oleiferaen_US
dc.subjectCitrus sinensisen_US
dc.subjectHyptis suaveolensen_US
dc.subjectsurvivorshipen_US
dc.subjectmethanol extractsen_US
dc.subjectbotanicalsen_US
dc.subjectphytochemicalen_US
dc.subjectweight lossen_US
dc.subjectAgricen_US
dc.subjectUniversity of Ghanaen_US
dc.titleAssessment of four plant extracts as maize seed protectants against Sitophilus zeamais and Prostephanus truncatus in Ghanaen_US
dc.typeArticleen_US
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