Control of Ceratocystis manginecans causing wilt disease on Acacia mangium seedlings

Tran, T. T.; Pham, Thu Q.; Barber, P.A.; Nguyen, C. M.

doi:10.1007/s13313-018-0594-4

Cited by 15 publications

(6 citation statements)

References 34 publications

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“…Mancozeb is a protective, non-systemic dithiocarbamate fungicide that has been on the market since 1962 and has an established reputation for controlling 400 different diseases infecting 70 crops [41,42]. In the forest plantation sector, this fungicide has been used to control Eucalyptus rust caused by Puccinia psidii in Brazil [43] and manage stem cankers disease in Protea magnifica caused by Botryosphaeria based on a field trial [44,45]. According to an artificial inoculation experiment on excised leaves and one-year-old seedlings, mancozeb has shown the potential to control and mitigate wilt disease of A. mangium caused by Ceratocystis manginecans [45].…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of Fungicides as Protective and Curative Treatments against Canker Disease of Eucalyptus urograndis Caused by Chrysoporthe deuterocubensis in Malaysia

Ambrose,

Peter Remun,

Shamsul Kamar

et al. 2023

Forests

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Over the years, Eucalyptus plantations have rapidly expanded in Sarawak, Malaysia, accounting for 19% of the total forest plantation area. In a routine forest health surveillance conducted in 2022 at Sarawak, Malaysia, tree stands of Eucalyptus urograndis (Eucalyptus grandis × Eucalyptus urophylla hybrid) were detected with symptoms of stem canker disease caused by Chrysoporthe infection. Given the limited information on the chemical control of Chrysoporthe stem canker disease, there is a growing need to develop effective chemical control strategies to protect and cure Chrysoporthe infection on E. urograndis trees. Therefore, this study aimed to identify the causal pathogen of this stem canker disease in 7-year-old E. urograndis trees in Sarawak, Malaysia, and evaluate the efficacy of various fungicides as curative or protectant treatments on canker infection using artificial inoculation methods. Fungal isolates were first collected and subjected to molecular identification and pathogenicity analysis. Then, in vitro efficacy tests were evaluated using five licensed fungicides: thiram, prochloraz manganese chloride, copper hydroxide, dimethomorph, and mancozeb. Subsequently, the performance of these fungicides was assessed through preventive and curative field experiments on 10-year-old E. urograndis trees using the artificial inoculation technique. Based on the morphological and phylogenetic analysis of the ITS1/ITS4, β-tubulin 2 (BT2), and the combined ITS1/ITS4 and BT2 sequences extracted from 20 fungal isolates, Chrysoporthe deuterocubensis was identified as the causal pathogen of the canker disease, with isolate CHRY18 recording the highest virulence. The in vitro efficacy tests showed that prochloraz manganese chloride achieved 100% inhibition against C. deuterocubensis at 1.0 mg/mL. In the preventive experiment, thiram significantly inhibited C. deuterocubensis infection, yielding the shortest lesion length (19.40 mm) compared to the non-treated control (47.48 mm) at 20 weeks post-inoculation. In the curative experiment, a significant reduction of 54.7% in lesion length was observed in inoculated symptomatic trees after 20 weeks of post-fungicide treatment with copper hydroxide. In conclusion, this study demonstrated prochloraz manganese chloride, thiram, and copper hydroxide as effective chemical controls of C. deuterocubensis stem canker on E. urograndis.

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Section: Discussionmentioning

confidence: 99%

“…The efficiency of fungicides must consider the season, frequency, application method, and potential for resistance to develop [45,50,52]. The preventive and curative field experiments on the 10-year-old trees were conducted from January to May 2023.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Fungicides as Protective and Curative Treatments against Canker Disease of Eucalyptus urograndis Caused by Chrysoporthe deuterocubensis in Malaysia

Ambrose,

Peter Remun,

Shamsul Kamar

et al. 2023

Forests

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“…Some fungicides (carbendazim, mancozeb, and metalaxyl) and biological agents (Trichoderma spp., Bacillus spp.) have been used in experiments to try and control C. manginecans [82]. Pruning in the dry season and decreasing bark tearing during pruning can reduce the levels of infection and disease [28].…”

Section: Hieroglyphus Tonkinensis (Acrididae) Grasshopper (Vietnamese: Chau Chau Mia Chay Xanh)mentioning

confidence: 99%

New and Emerging Insect Pest and Disease Threats to Forest Plantations in Vietnam

Thu

Quang

Minh

et al. 2021

Forests

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The planted forest area in Vietnam increased from 3.0 to 4.4 million hectares in the period 2010–2020, but the loss of productivity from pests and diseases continues to be a problem. During this period, frequent and systematic plantation forest health surveys were conducted on 12 native and 4 exotic genera of trees as well as bamboo across eight forest geographic regions of Vietnam. Damage caused by insects and pathogens was quantified in the field and laboratory in Hanoi. The threats of greatest concern were from folivores (Antheraea frithi, Arthroschista hilaralis, Atteva fabriciella, Hieroglyphus tonkinensis, Lycaria westermanni,Krananda semihyalina, and Moduza procris), wood borers (Batocera lineolata, Euwallacea fornicatus, Tapinolachnus lacordairei, Xyleborus perforans, and Xystrocera festiva), sap-sucking insects (Aulacaspis tubercularis and Helopeltis theivora) and pathogens (Ceratocystis manginecans, Fusarium solani, and Phytophthora acaciivora). The number of new and emerging pests and pathogens increased over time from 2 in 2011 to 17 in 2020, as the damage became more widespread. To manage these pests and diseases, it is necessary to further invest in the selection and breeding of resistant genotypes, improve nursery hygiene and silvicultural operations, and adopt integrated pest management schemes. Consideration should be given to developing forest health monitoring protocols for forest reserves and other special-purpose forests.

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“…Penyakit ini telah menyebabkan kematian yang luas pada akasia. Di Vietnam dilaporkan tanaman A. mangium telah terserang secara luas oleh Ceratocystis manginecans [10]. PT.…”

Section: Pendahuluanunclassified

“…Berbagai jenis ceratocytis telah menyebabkan kerusakan pada tanaman akasia. C. manginecans dilaporkan telah menyerang tanaman A. mangium di Vietnam secara luas [10].…”

Section: Penyakit Ceratocystisunclassified

Inventarisasi Penyakit Pada Tanaman Acacia mangium PT Bina Silva Nusa, Kalimantan Barat

Nurrohmah¹,

Hidayati²,

Rimbawanto³

2020

anr

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Acacia mangium merupakan tanaman cepat tumbuh yang banyak dibudidayakan di hutan tanaman industri (HTI) Sumatera maupun Kalimantan secara monokultur. Penanaman dengan sistem monokultur menyebabkan timbulnya peningkatan serangan hama dan penyakit. PT. Bina Silva Nusa (BSN) merupakan salah satu HTI di Kalimantan Barat yang menanam Acacia mangium di areal wilayahnya sebagai tanaman utama. Tanaman A. mangium di PT BSN telah terserang penyakit yang menyebabkan terjadinya penurunan produksi. Oleh karena itu perlu dilakukan inventarisasi untuk mengetahui jenis-jenis penyakit yang menyerang tanaman A. mangium di PT. BSN. Inventarisasi dilakukan dengan membuat plot-plot pengamatan berukuran 10x10 yang masing-masing plot diamati tingkat kematian serta gejala dan tanda serangan penyakit pada tanaman akasia. Selanjutnya diambil beberapa sampel dari tanaman yang sakit atau mati dan diisolasi di laboratorium hama dan penyakit di Balai Besar Penelitian dan Pengembangan Bioteknologi dan Pemuliaan Tanaman Hutan (BBPPBPTH). Pengamatan dilakukan pada 5 petak yaitu petak 5, 7, 24, 25 dan 30. Hasil pengamatan menunjukkan luas serangan penyakit pada tanaman A. mangium berkisar antara 23,33% sampai 71,5%. Jenis-jenis penyakit yang menyerang A. mangium di PT. BSN sebagian besar adalah Ganoderma sp penyebab busuk akar merah, Phelinus sp penyebab penyakit akar coklat dan Ceratocystis sp penyebab penyakit ceratocytis.

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Control of Ceratocystis manginecans causing wilt disease on Acacia mangium seedlings

Cited by 15 publications

References 34 publications

Evaluation of Fungicides as Protective and Curative Treatments against Canker Disease of Eucalyptus urograndis Caused by Chrysoporthe deuterocubensis in Malaysia

Evaluation of Fungicides as Protective and Curative Treatments against Canker Disease of Eucalyptus urograndis Caused by Chrysoporthe deuterocubensis in Malaysia

New and Emerging Insect Pest and Disease Threats to Forest Plantations in Vietnam

Inventarisasi Penyakit Pada Tanaman Acacia mangium PT Bina Silva Nusa, Kalimantan Barat

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