Within-field distribution of the damson-hop aphid Phorodon humuli (Schrank) (Hemiptera: Aphididae) and natural enemies on hops in Spain
A field trial was performed in a hop yard throughout 2002, 2003 and 2004 in order to determine the within-field distribution of Phorodon humuli (Schrank) (Hemiptera: Aphididae) and its natural enemies. The distribution of P. humuli was directly affected by the position of the hop plants in the garde...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
2017-07-01
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Series: | Spanish Journal of Agricultural Research |
Subjects: | |
Online Access: | http://revistas.inia.es/index.php/sjar/article/view/10221 |