Data/hora: 07/06/2024 06:48:41

Provedor de dados: 	52	
País: 	Brazil	
Título: 	Occurrence and parasitism of aphids (Hemiptera: Aphididae) on cultivars of irrigated oat (Avena spp.) in São Carlos, Brazil	
Autores: 	Ronquim,Júlio Cesar; Pacheco,Josué Marques; Ronquim,Carlos Cesar.	
Data: 	2004-06-01	
Ano: 	2004	
Palavras-chave: 	Aphids; Biological control; Oats; Parasitoid; Plant resistance.	
Resumo: 	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 hyperparasitoids, Syrphophagus aphidivorus (Myer) and Alloxysta brassicae (Ashmead). The UPF 86081 cultivar presented significant results regarding lower Rhopalosiphum padi contamination and higher aphid parasitism rates than those observed on some other cultivars. No significant effect on the percentage variation of parasitoid emergence on the mummified aphids was observed throughout this study.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000200001	
Editor: 	Instituto de Tecnologia do Paraná - Tecpar	
Relação: 	10.1590/S1516-89132004000200001	
Formato: 	text/html	
Fonte: 	Brazilian Archives of Biology and Technology  v.47 n.2 2004	
Fonte: 	info:eu-repo/semantics/openAccess