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- Title
Verbena as a trap crop to suppress thrips-transmitted Tomato spotted wilt virus in chrysanthemums.
- Authors
Matsuura, Shohei; Hoshino, Shigeru; Koga, Harunobu
- Abstract
The effect of verbena as a trap crop on the occurrence of western flower thrips, Frankliniella occidentalis, and the incidence of Tomato spotted wilt virus (TSWV) in chrysanthemums were investigated. Verbena cvs. Pink Parfait and/or Fancy Parfait were cultivated alongside chrysanthemum cv. Jimba in a greenhouse in the proportion of 17%–25% of the chrysanthemum plants. Verbena plants attracted vector thrips, reducing western flower thrips colonization of chrysanthemum until flower bud initiation, and markedly suppressing TSWV incidence on chrysanthemums until flowering. Significant quantities of linalool oxide pyran were produced by the flower of cv. Fancy Parfait; and the ratio of cis-linalool oxide pyran, an attractant for vector thrips, to the trans-type was approximately 1 : 5. Our results suggest that cultivation of verbena as a trap crop may be useful in integrated pest management programs as a control for thrips-transmitted TSWV in chrysanthemums.
- Subjects
VERBENA; THRIPS; INSECTS; PEST control; INTEGRATED pest control
- Publication
Journal of General Plant Pathology, 2006, Vol 72, Issue 3, p180
- ISSN
1345-2630
- Publication type
Article
- DOI
10.1007/s10327-005-0264-6