Fusarium solani and Lasiodiplodia pseudotheobromae, fungal pathogens causing stem rot disease on durian trees (Durio zibethinus) in Eastern Thailand

Chantarasiri, Aiya; Boontanom, Parima

doi:10.1002/ndr2.12026

Cited by 7 publications

(4 citation statements)

References 5 publications

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“…For examples, L. theobromae was found to be a causal agent of spadix rot in flamingo lily plants ( Anthurium andraeanum ) [ 61 ] and fruit rot on certain melon species ( Cucumis melo ) [ 62 ]. Fruit rot in postharvest longan ( Dimocarpus longan ) fruits [ 63 ], stem rot disease on durian trees ( Durio zibethinus ) [ 64 ], and leaf spots on Cynometra malaccensis [ 65 ] have been reported to be caused by L. pseudotheobromae . Lasiodiplodia pseudotheobromae and L. viticola have been reported to cause fruit rot and stem-ends in mango plants ( Mangifera indica ) [ 66 ].…”

Section: Discussionmentioning

confidence: 99%

Morphology Characterization, Molecular Identification, and Pathogenicity of Fungal Pathogen Causing Kaffir Lime Leaf Blight in Northern Thailand

Suwannarach

Khuna

Kumla

et al. 2022

Plants

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Thailand is known to be the largest producer of kaffir lime leaf products in the global market. In 2021, leaf blight was found on kaffir lime plants (Citrus hystrix DC.) in Lamphun Province of northern Thailand. This disease has been associated with significant economic losses. However, there have been no prior reports of leaf blight on kaffir lime plants in Thailand or anywhere else in the world. In this study, causal fungi were isolated from lesions of kaffir lime plants and a total of three fungal isolates were obtained. All causal fungi were identified as Lasiodiplodia chinensis based on morphological characteristics and the phylogenetic analysis of combined sequences of the internal transcribed spacer (ITS) of ribosomal DNA, the translation elongation factor 1-alpha (tef-1), β-tubulin (tub), and RNA polymerase II subunit (rbp2) genes. Pathogenicity tests were conducted and the results revealed that all isolated fungi caused symptoms of leaf blight on inoculated leaves. This outcome was similar to symptoms that naturally occur and have been observed in the field. This is the first report on kaffir lime leaf blight caused by L. chinensis. Our study will provide information of high value for the development of effective strategies for the monitoring and prevention of this disease.

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Section: Discussionmentioning

confidence: 99%

Morphology Characterization, Molecular Identification, and Pathogenicity of Fungal Pathogen Causing Kaffir Lime Leaf Blight in Northern Thailand

Suwannarach

Khuna

Kumla

et al. 2022

Plants

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“…( 2015 ) Cynometra malaccensis Fabaceae Plum mango Gomdola et al. ( 2020 ) Durio zibethinus Malvaceae Durian Chantarasiri and Boontanom ( 2021 ) Ficus racemosa Moraceae Cluster fig Trakunyingcharoen et al. ( 2015 ) Jatropha curcas Crotonoideae Barbados nut Li et al.…”

Section: Appendix a – Lasiodiplodia Pseudotheobromae ...mentioning

confidence: 99%

Pest categorisation of Lasiodiplodia pseudotheobromae

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2023

EFS2

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The EFSA Plant Health Panel performed a pest categorisation of Lasiodiplodia pseudotheobromae, a clearly defined fungus of the family Botryosphaeriaceae, which was first described in 2008 as a cryptic species within the L. theobromae complex. The pathogen affects a wide range of woody perennial crops and ornamental plants causing root rot, damping‐off, leaf spots, twig blight, cankers, stem‐end rot, gummosis, branch dieback and pre‐ and post‐harvest fruit rots. Lasiodiplodia pseudotheobromae is present in Africa, Asia, North and South America and Oceania and has also been reported from Spain with a restricted distribution. However, there is uncertainty on the status of the pathogen worldwide and in the EU because in the past, when molecular tools (particularly multigene phylogenetic analysis) were not available, the pathogen might have been misidentified as L. theobromae. Lasiodiplodia pseudotheobromae is not included in Commission Implementing Regulation (EU) 2019/2072 and there are no interceptions in the EU. Because of the very wide host range of the pathogen, this pest categorisation focused on those hosts for which there is robust evidence that the pathogen was formally identified by a combination of morphology, pathogenicity and multilocus sequence analysis. Plants for planting, including seeds, fresh fruits and bark and wood of host plants as well as soil and other plant‐growing media are the main pathways for the further entry of the pathogen into the EU. Host availability and climate suitability factors occurring in parts of the EU are favourable for the further establishment of the pathogen. In the area of its present distribution, including Spain, the pathogen has a direct impact on cultivated hosts. multilocus measures are available to prevent the further introduction and spread of the pathogen into the EU. Lasiodiplodia pseudotheobromae satisfies the criteria that are within the remit of EFSA to assess for this species to be regarded as potential Union quarantine pest.

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“…The causal pathogens are Fusarium solani and Lasiodiplodia pseudotheobromae, in addition to Phytophthora sp. [142].…”

Section: Fungal and Oomycete Diseases Of Durianmentioning

confidence: 99%

Fungal and Oomycete Diseases of Minor Tropical Fruit Crops

Zakaria

2022

Horticulturae

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Minor tropical fruits are grown on a small scale and provide income to smallholder farmers. The cultivation of these fruit crops indirectly contributes to the economy of producing countries as well as to food and crop security. Dragon fruits, guava, passionfruit, lychee, longan, mangosteen, durian, and rambutan are common minor fruit crops. In recent years, the international trade of some of these minor tropical fruits, particularly dragon fruit, passionfruit, guava, and lychee, has increased due to their nutritional value, with various health benefits. Similar to other crops, minor fruit crops are susceptible to fungal and oomycete diseases. These diseases negatively affect the yield and quality of fruit crops, leading to substantial losses. In this context, the knowledge of disease types and causal pathogens is fundamental to develop suitable disease management practices in the field as well as appropriate post-harvest treatments.

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Fusarium solani and Lasiodiplodia pseudotheobromae, fungal pathogens causing stem rot disease on durian trees (Durio zibethinus) in Eastern Thailand

Cited by 7 publications

References 5 publications

Morphology Characterization, Molecular Identification, and Pathogenicity of Fungal Pathogen Causing Kaffir Lime Leaf Blight in Northern Thailand

Morphology Characterization, Molecular Identification, and Pathogenicity of Fungal Pathogen Causing Kaffir Lime Leaf Blight in Northern Thailand

Pest categorisation of Lasiodiplodia pseudotheobromae

Fungal and Oomycete Diseases of Minor Tropical Fruit Crops

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