Search Results - "Valladares, G R"

Soybean crops may benefit from forest pollinators by Monasterolo, M., Musicante, M.L., Valladares, G.R, Salvo, A.

“…•Visitation rates on soybean flowers were negatively affected by distance to the forest.•Larger flower visitors were observed at longer distance from the…”
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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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Parasitism and Food Web Structure in Defoliating Lepidoptera – Parasitoid Communities on Soybean by Avalos, D S, Mangeaud, A, Valladares, G R

“…Food webs are usually regarded as snapshots of community feeding interactions. Here, we describe the yearly and cumulative structure of parasitoid–caterpillar…”
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Parasitic assemblages on leafminers: a comparison of structure and function among host orders by Salvo, Adriana, Valladares, G. R, Cagnolo, L

“…In this study we ask whether parasitic complexes of leafminers display differences associated to host order, by comparing species number, taxonomic…”
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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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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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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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Effects of Melia azedarach on Triatoma infestans by Valladares, G.R, Ferreyra, D, Defago, M.T, Carpinella, M.C, Palacios, S

“…Extracts from fruits and leaves of Melia azedarach were tested for repellent and insecticidal properties against eggs and nymphs of Triatoma infestans, the…”
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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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An analysis of leaf-miner and plant host ranges of threeChrysocharis species (Hym.: Eulophidae) from Argentina by Salvo, A., Valladares, G. R.

“…Host ranges of threeChrysocharis species in Cordoba, Argentina were studied using data from 45 leaf-mining species on 109 plant species, and from literature…”
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The present state of the BCG vaccination programmes in South America by Valladares, R G

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Phytochemical Induction by Herbivores Could Affect Quality of Essential Oils from Aromatic Plants by Valladares, G R, Zapata, A, Zygadlo, J, Banchio, E

“…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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El comportamiento animal como herramienta para el manejo integrado de plagas by Vera, M.T, Alderete, M, Braccini, C, Fernández Mastrantuoni, M. P, Juárez, M.L, Segura, D, Goane, L, Valladares, G. R, Kalinova, B, Ruiz, M.J, Brizova, R, Bachmann, G, Devescovi, F, Jofré Barud, F, Groot, A, López, L

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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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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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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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Contribution to the round table discussion on the training of medical personnel with respect to a modern program of tuberculosis control by Valladares G, R

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