The potential to manipulate the numbers of insects in lucerne by strip cutting

Z. Hossain, G. M. Gurr, S. D. Wratten

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Uncut strips of lucerne (Medicago sativa L.) were evaluated as refuges for natural enemies of pests in lucerne hay crops. Vacuum catches of seven species of predator were significantly greater in uncut strips than in cut control areas on as many as six of seven sample dates over three harvests. Catches of pest larvae (Helicoverpa spp.) (Lepidoptera: Noctuidae) were consistently lower in the natural enemy refuges than in regrowth 16 or more days after harvest. Further work with larger plot sizes is warranted.

Original languageEnglish
Pages (from-to)39-41
Number of pages3
JournalAustralian Journal of Entomology
Volume39
Issue number1
DOIs
Publication statusPublished - 01 Feb 2000

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