Journal article
Ceratocystis wilt in Chukrasia tabularis in Vietnam: identification, pathogenicity and host tolerance
Australasian Plant Pathology
2020
Abstract
Chukrasia tabularis is a rare and valuable tree in the mahogany family (Meliaceae) which has been planted with fruit trees in home gardens in Vietnam more than 60 years. Recently, households have become concerned with sporadic trees wilting and dying. In this study we explore this new tree decline. The trunk of diseased trees, with cankers and wilt symptoms, and soil from around roots were sampled and cultures of Ceratocystis were obtained. The causal agent was identified as C. manginecans based on a phylogenetic species hypothesis of β-tubulin. Five C. manginecans isolates from diseased trees and five soil isolates were pathogenic in C. tabularis seedlings in a nursery trial. We used one isolate to explore the tolerance of 59 one-year-old C. tabularis families to inoculation. Of these, 33 families exhibited very strong tolerance (no lesions, no death). This suggests that there are opportunities to employ resistant families in breeding programs and to increase disease tolerance of C. tabularis through genetic gain.
Details
- Title
- Ceratocystis wilt in Chukrasia tabularis in Vietnam: identification, pathogenicity and host tolerance
- Authors/Creators
- N.M. Chi (Author/Creator) - Forest Industry Research InstituteT.T. Trang (Author/Creator) - Forest Industry Research InstituteN.P. Nhung (Author/Creator) - Forest Industry Research InstituteD.N. Quang (Author/Creator) - Forest Industry Research InstituteV.M. Son (Author/Creator) - Pu Huong Nature Reserve, Quy Hop Town, Quy Hop District, VietnamT.A. Tuan (Author/Creator) - Forest Industry Research InstituteL.T. Mai (Author/Creator) - Pu Huong Nature Reserve, Quy Hop Town, Quy Hop District, VietnamT.X. Hung (Author/Creator) - Forest Industry Research InstituteN.V. Nam (Author/Creator) - Forest Industry Research InstituteP.Q. Thu (Author/Creator) - Forest Industry Research InstituteB. Dell (Author/Creator) - Murdoch University
- Publication Details
- Australasian Plant Pathology
- Publisher
- Springer Nature
- Identifiers
- 991005542289207891
- Copyright
- © 2020 Springer Nature Switzerland AG
- Murdoch Affiliation
- School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- International collaboration
- 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