Journal article
Susceptibility of Corymbia species and hybrids to arthropod herbivory in Australian subtropical hardwood plantations
Southern Forests, Vol.72(3-4), pp.147-152
2010
Abstract
Corymbia hybrids are becoming significant plantation varieties in subtropical and tropical Australian plantation forestry. Although primarily developed for disease resistance and amenability to clonal propagation, they have also proven to have good growth rates and site plasticity. Here we examined the susceptibility of pure Corymbia species and hybrids to pest attack. Three trial sites containing C. citriodora subsp. variegata, C. torelliana, and the hybrids C. torelliana × C. citriodora subsp. variegata, C. torelliana × C. citriodora subsp. citriodora and C. torelliana × C. henryi were assessed for pest identity, incidence and severity. Pests caused about three-quarters of the visible crown damage to trees in these trials. At the site that had the most arthropod damage, hybrid trees had higher damage scores and higher growth scores (height, diameter at breast height over bark, and volume) than pure species. Site was more important than taxon in explaining damage scores, and taxa performed differently for most traits between sites. Tree growth was negatively correlated with general crown damage, while arthropod damage alone showed no significant relationship with growth. Our results highlight the importance of establishing taxa trials across a range of sites when selecting for pest resistance.
Details
- Title
- Susceptibility of Corymbia species and hybrids to arthropod herbivory in Australian subtropical hardwood plantations
- Authors
- Helen F Nahrung (Author) - Agri-Science QueenslandR Waugh (Author) - Agri-Science QueenslandDavid J Lee (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationSimon A Lawson (Author) - Agri-Science Queensland
- Publication details
- Southern Forests, Vol.72(3-4), pp.147-152
- Publisher
- Southern African Institute of Forestry
- Date published
- 2010
- DOI
- 10.2989/20702620.2010.547247
- ISSN
- 2070-2620
- Organisation Unit
- Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
- Language
- English
- Record Identifier
- 99449409902621
- Output Type
- Journal article
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