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Bioactivity of Tepa (Laureliopsis philippiana (Looser) Shodde) Powder to Sitophilus zeamais Motschulsky Control in Laboratory Chilean J. Agric. Res.
Ortiz U,Ana; Silva A,Gonzalo; Urbina P,Angélica; Zapata S.M,Nelson; Rodríguez M,J. Concepción; Lagunes T,Angel.
The maize weevil (Sitophilus zeamais Motschulsky) is one of the most widespread pests and causes heavy losses of stored grain throughout the world. Control of this insect is primarily dependent upon continued applications of organophosphorus and pyrethroid insecticides and fumigants as phosphine but the increasing problems with current insecticides drive the need for research and to develop new control methods. The insecticidal effect of leaf powder of tepa, Laureliopsis philippiana (Looser) Shodde, was evaluated against maize weevil under laboratory conditions. The parameters evaluated were adult mortality and emergence, grain weight loss and germination, and residual, repellent and fumigant effect. The highest levels of insect mortality were registered...
Tipo: Journal article Palavras-chave: Stored grains; Botanical insecticides; Maize weevil.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000100011
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