The occurrence of gummosis on invasive acacia decurrens after mount merapi eruption in Yogyakarta, Indonesia

Rahayu, Sri and Pratama, Rahman Gilang and Imron, Muhammad Ali and Mahmud, Januar and Nugroho, Widyanto Dwi (2021) The occurrence of gummosis on invasive acacia decurrens after mount merapi eruption in Yogyakarta, Indonesia. Management of Biological Invasions, 12 (4). pp. 886-900. ISSN 19898649

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Abstract

Gummosis on Acacia decurrens, an invasive tree species that was established in Merapi Volcano National Park (MVNP) after the eruption of the Mount Merapi volcano in 2010, was studied to i) identify the causal organism of the disease, ii) analyze the disease symptoms, iii) understand the spatio-temporal distribution of gummosis in the tree population and iv) examine how the disease affects the anatomy of tree wood. Pathological, morphological and molecular assessments were used in this study. Ceratocystis fimbriata was found associated with gummosis in the affected trees. The disease spread was probably aided by an ambrosia beetle, Euwallacea sp., which bores holes in the stem. The number of parenchyma cells in infected stems was significantly higher than in healthy stems, which apparently facilitated water and nutrition transport within trees, helping them to grow normally despite serious gummosis. The disease is noted to spread from the base of the trees, where the ambrosia beetle bores holes first, to the upper part. The management of invasion by A. decurrens in the MVNP area poses a serious challenge due its success as an invader in the volcano-impacted area and the threat of the gummosis pathogen spreading to other species, both of which will affect the regeneration and establishment of native species and recovery of the ecosystem. © Rahayu et al.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Ambrosia beetle; Ceratocystis fimbriata; Invasive tree; Parenchyma cells; Spatio-temporal
Subjects: S Agriculture > SD Forestry
Divisions: Faculty of Forestry
Depositing User: Wiwit Kusuma Wijaya Wijaya
Date Deposited: 23 Dec 2024 06:58
Last Modified: 23 Dec 2024 06:58
URI: https://ir.lib.ugm.ac.id/id/eprint/7162

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