Browsing by Author "Rivera, Pamela"

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    Foliar and ground-foraging predators of aphids associated with alfalfa crops in Chile: Are they good or bad partners?
    (TAYLOR & FRANCIS LTD, 2007) Grez, Audrey A.; Rivera, Pamela; Zaviez, Tania
    Carabids and coccinellids are the most abundant aphid predators in alfalfa. Depending on the amount of prey consumed, the impact of their combined effect can be additive, antagonistic, or synergistic. Laboratory trials demonstrated that a higher proportion of Aphis craccivora Koch dropped from the alfalfa plants in the presence of coccinellids, and that the interaction between these predators was additive or synergistic, but never antagonistic, suggesting that they might be good partners in controlling aphids.