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The use of actometry and electronic nose devices to assess the locomotor activity of two species of Coccinellidae (Coleoptera) Ciencia e Investigación Agraria
Heit,Guillermo; Messina,Valeria; Mareggiani,Graciela; Cohen,Rosa; Carrizo,Paola.
The effect of odor signals on the locomotor activity of Cycloneda sanguinea and Harmonia axyridis was evaluated using two different actometric devices. The purpose of the analysis was to differentiate between the responses elicited by direct contact with the substrates and the responses that occurred if the coccinellids were exposed only to volátiles and had no direct substrate contact. The odor profile of the environmental volátiles (semiochemicals) in the bioassays was analyzed using an electronic nose (Modular Sensor System Moses II). The treatments used included volatiles emitted by pepper leaves (healthy or infested with Myzus persicae), M. persicae molts and honeydew, and healthy leaves treated with an artificial inducer of the systemic acquired...
Tipo: Journal article Palavras-chave: Acibenzolar-S-methyl; Coccinellidae; Electronic nose; Locomotor activity; Semiochemicals.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000200012
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