Search Results - "Valladares, Gr"

Quantitative Variations in the Essential Oil of Minthostachys mollis (Kunth.) Griseb. in Response to Insects with Different Feeding Habits by Banchio, Erika, Zygadlo, Julio, Valladares, Graciela R

“…Plants display a diverse array of inducible changes in secondary metabolites following insect herbivory. Herbivores differ in their feeding behavior,…”
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Diversity and guild structure of insect assemblages under grazing and exclusion regimes in a montane grassland from Central Argentina by Cagnolo, L, Molina, Si, Valladares, Gr

“…The effects of grazing disturbance on insect communities were examined at a montane grassland in Central Argentina, by comparing two grazed sites differing in…”
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Effects of mechanical wounding on essential oil composition and emission of volatiles from Minthostachys mollis by Banchio, E, Zygadlo, J, Valladares, G.R

“…Plant tissues may show chemical changes following damage. This possibility was analyzed for Minthostachys mollis, a Lamiaceae native to Central Argentina with…”
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Looks Are Important: Parasitic Assemblages of Agromyzid Leafminers (Diptera) in Relation to Mine Shape and Contrast by Salvo, Adriana, Valladares, Graciela R.

“…1. We test the hypothesis that leaf mine appearance can affect the risk of leafminers being discovered by parasitoids, and therefore influence parasitic…”
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Laboratory evaluation of Artemisia annua L. extract and Artemisinin activity against Epilachna paenulata and Spodoptera eridania by Maggi, M.E, Mangeaud, A, Carpinella, M.C, Ferrayoli, C.G, Valladares, G.R, Palacios, S.M

“…Ethanolic extract of aerial parts of Artemisia annua L. and artemisinin were evaluated as anti-insect products. In a feeding deterrence assay on Epilachna…”
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Phytochemical Induction by Herbivores Could Affect Quality of Essential Oils from Aromatic Plants by Valladares, Graciela R, Zapata, Adriana, Zygadlo, Julio, Banchio, Erika

“…Plant tissues may show chemical changes following herbivory. In aromatic plants such changes could affect the specific compounds on which commercial…”
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Quantitative food webs of dipteran leafminers and their parasitoids in Argentina by Valladares, Graciela R., Salvo, Adriana, Godfray, H. Charles J.

“…The quantitative structure of two host–parasitoid communities based on leaf‐mining flies (Diptera, Agromyzidae) in Argentina is described. The two communities…”
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Insect-plant food webs could provide new clues for pest management by Valladares, G.R, Salvo, A

“…Food webs describe feeding interactions in a community. Parasitoid food webs concentrate on such interactions among plants, phytophagous insects, and their…”
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The effects of logging and grazing on the insect community associated with a semi-arid chaco forest in central Argentina by Molina, S.I, Valladares, G.R, Gardner, S, Cabido, M.R

“…The ground-dwelling insect community associated with semi-arid chaco forest in the Chancanı́ Natural Park and Forest Reserve (Córdoba, central Argentina) was…”
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