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- Title
Control of Black Vine Weevil larvaeOtiorhynchus sulcatus(Fabricius) (Coleoptera:Curculionidae) in grow bags outdoors with nematodes.
- Authors
Lola-Luz, Theodora; Downes, Martin; Dunne, Richard
- Abstract
1 Outdoor trials were carried out during 2001–02 on strawberries grown in commercial growing bags naturally infested with black vine weevil larvae (BVW)Otiorhynchus sulcatusin Co. Wexford, Ireland.2 The two nematode isolates used in these trials wereHeterorhabditis megidis(UK211) andHeterorhabditis downesi(K122), both laboratory cultured. Growing bags received nematodes either once (May 2001), twice (May and October 2001) or three times (May, October 2001 and May 2002). Ten days after each application date, nine blocks (of the total 27) were randomly selected, destructively assessed and discarded.3 The single application (May 2001) resulted in a mortality of black vine weevil larvae, of 93.4% withH. megidisand 51.3% withH. downesi, compared with the control treatment at that date. Respective figures after the double application (May 2001 and October 2001) were 78.9 and 77.6% and after the triple application (May 2001, October 2001 and May 2002) the figures were 93.7 and 88.1%.4 Results from these trials clearly indicate that entomopathogenic nematodes are good alternatives to chemical control of the black vine weevil on strawberries grown in growing bags in Ireland.
- Subjects
IRELAND; BLACK vine weevil; BEETLES; NEMATODES; INSECT nematodes; LARVAE; STRAWBERRIES
- Publication
Agricultural & Forest Entomology, 2005, Vol 7, Issue 2, p121
- ISSN
1461-9555
- Publication type
Article
- DOI
10.1111/j.1461-9555.2005.00258.x