Occurrence and parasitism of aphids (Hemiptera: Aphididae) on cultivars of irrigated oat (Avena spp.) in São Carlos, Brazil
Júlio Cesar Ronquim; Josué Marques Pacheco; Carlos Cesar Ronquim · 2004 · Brazilian Archives of Biology and Technology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
The interactions between aphids and their Hymenopteran parasitoids on irrigated oats as well as the response of different cultivars of cereals regarding the resistance to these aphids and the influence on the host/parasitoid relationships were studied during two years in São Carlos, Brazil. Rhopalosiphum padi (L.) was the predominant aphid observed throughout the study, while the other species were rarely found. Five species of parasitic Hymenoptera were found: three primary parasitoids, Lysiphlebus testaceipes (Cresson), Aphidius colemani (Viereck) and Diaeretiella rapae (M'Intosh) and two hy
Abstract by Júlio Cesar Ronquim; Josué Marques Pacheco; Carlos Cesar Ronquim, Brazilian Archives of Biology and Technology (2004) — licensed CC BY 4.0.
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Metadata source: DOAJ · DOI 10.1590/s1516-89132004000200001