Effect of Trona (Urao) on the survival and reproduction of Sitophilus zeamais and Tribolium castaneum on stored maize

The insecticidal potential and biological activities of Trona (Urao, sodium sesquicarbonate) against two insect pests of stored maize were investigated. Powders of Trona were highly lethal to Sitophilus zeamais (Motsch), causing almost 100% mortality after 15 days of exposure at the highest dosage o...

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Veröffentlicht in:	Agriculture, ecosystems & environment ecosystems & environment, 1990, Vol.32 (1), p.69-75
Hauptverfasser:	Emebiri, L.C., Nwufo, M.I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Coleoptera Curculionidae Fundamental and applied biological sciences. Psychology Invertebrates Medically important nuisances and vectors, pests of stored products and materials: population survey and control Pests of stored products Sitophilus zeamais Tenebrionidae Tribolium castaneum Zea mays
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Zusammenfassung:	The insecticidal potential and biological activities of Trona (Urao, sodium sesquicarbonate) against two insect pests of stored maize were investigated. Powders of Trona were highly lethal to Sitophilus zeamais (Motsch), causing almost 100% mortality after 15 days of exposure at the highest dosage of 3.5% by weight. Fecundity of S. zeamais was also reduced in grains treated with the dust relative to the untreated control. In Tribolium castaneum (Herbst), Trona dust stimulated population increases in all the treated grains, leading ultimately to increased damage after 120 days of exposure.
ISSN:	0167-8809 1873-2305
DOI:	10.1016/0167-8809(90)90124-V