Journal article
Management of Ceratocystis manginecans in plantations of Acacia through optimal pruning and site selection
Australasian Plant Pathology, Vol.48(4), pp.343-350
2019
Abstract
Wilt disease has become a threat to Acacia plantations in SE Asia. There are about 1.3 million ha of Acacia auriculiformis, A. mangium and Acacia hybrid plantations in Vietnam that require management of wilt disease caused by Ceratocystis manginecans. To identify options for management, we examined affect of pruning (tree age, pruning time and pruning technique) and site traits (altitude, slope and position) on disease expression from natural infections. Ceratocystis wilt disease and disease indices were more serious in younger than older pruned trees. Pruning in the rainy season resulted in heavier infection by Ceratocystis than pruning in the dry season. Decreasing bark tearing during pruning reduced the levels of infection and disease. Tip pruning of branches reduced disease compared to pruning close to the trunk. The interaction effects of terrain factors showed that A. auriculiformis and Acacia hybrid plantations were most severely affected when trees were planted in foot-hills, at altitudes below 300 m and on slopes below 15o. Results for the pruning time and pruning technique trials have application for reducing the impact of Ceratocystis wilt disease in Acacia plantations in Vietnam.
Details
- Title
- Management of Ceratocystis manginecans in plantations of Acacia through optimal pruning and site selection
- Authors/Creators
- N.M. Chi (Author/Creator) - Forest Industry Research InstituteP.Q. Thu (Author/Creator) - Forest Industry Research InstituteT.X. Hinh (Author/Creator) - Forest Industry Research InstituteB. Dell (Author/Creator) - Murdoch University
- Publication Details
- Australasian Plant Pathology, Vol.48(4), pp.343-350
- Publisher
- Springer Netherlands
- Identifiers
- 991005541609507891
- Copyright
- © 2019 Australasian Plant Pathology Society Inc.
- Murdoch Affiliation
- School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.32 Entomology
- 3.32.1539 Bark Beetle Ecology
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science