Short Communication: Sarocladium oryzae associated with sheath rot disease of rice in Indonesia

Pramunadipta, Syafiqa; Widiastuti, Ani; Wibowo, Arif; Suga, Haruhisa; Priyatmojo, Achmadi

doi:10.13057/biodiv/d210352

Cited by 13 publications

(10 citation statements)

References 26 publications

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“…Early studies identified Acrocylindrium oryzae , later known as Sarocladium oryzae , as the causative agent. Reports on rice sheath rot disease caused by Sarocladium oryzae have been coming out from the past until recently (Lanoiselet et al., 2012; Pramunadipta et al., 2020; Yongxiang et al., 2022). Subsequently, it has been reported that various other fungi can induce similar disease symptoms, including Fusarium sp.…”

Section: Discussionmentioning

confidence: 99%

Genetic diversity and pathogenicity of fungi associated with rice sheath rot in the Fogera plain, Northwest Ethiopia

Gizaw,

Zegeye,

Hika

et al. 2023

Journal of Phytopathology

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Sheath rot is a widespread rice disease that affects rice crops worldwide. It is particularly prevalent in Ethiopia, with the Fogera plains exhibiting the highest incidence and severity. However, the lack of reliable molecular‐level identification of rice fungal pathogens in Ethiopia has hindered the development of effective management practices. This study aimed to assess the diversity of fungal agents causing sheath rot disease in rice crops around the Fogera plains, Ethiopia, using both morphology and nucleotide sequences of the ITS1 rDNA region. Additionally, the pathogenicity of the isolates was evaluated using attached tiller assay methods. A total of 16 fungal isolates were recovered from diseased plant samples. Among these, five species; Phoma spp., Phoma herbarium, Epicoccum sorghinum, Epicoccum lantuscollum and Microdochium seminicola were identified and reported as new records of sheath rot disease in rice. The predominant genus was Phoma (75%) followed by Epicoccum (18.75%). The pathogenicity caused by E. sorghinum was particularly severe and significantly different from the symptoms caused by other isolates, resulting in a mean lesion length of 167.7 mm and a disease severity of 55.7%. These findings suggest that E. sorghinum is the most important rice pathogen in the region. Our results have identified the most predominant and pathogenic fungal species associated with sheath rot disease in the region. Importantly, this study marks the first report of sheath rot‐causing fungi identified in rice using the ITS rDNA‐sequencing technique in Ethiopia. Therefore, this research may contribute to the development of fungal disease management strategies in rice and provide evidence to initiate a rice breeding program focused on developing sheath‐rot‐resistant rice varieties.

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Section: Discussionmentioning

confidence: 99%

Genetic diversity and pathogenicity of fungi associated with rice sheath rot in the Fogera plain, Northwest Ethiopia

Gizaw,

Zegeye,

Hika

et al. 2023

Journal of Phytopathology

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“…According to reports, one of the main pathogens producing sheath rot disease is Fusarium spp. instead of Sarocladium oryzae and Pseudomonas fuscovaginae [1,2,5,6,7,8]. Previous research reported that there are 11 species of Fusarium spp.…”

Section: Introductionmentioning

confidence: 99%

Mycotoxins Detection and Pathogenicity of Fusarium spp. Pathogen of Rice Sheath Rot Disease

Pramunadipta

Widiastuti

Wibowo

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Sheath rot disease is one of the critical problems limiting rice production. Fusarium spp. is one of the pathogens that cause sheath rot disease and produce various mycotoxins. The study of mycotoxins detection using specific primers and their association to pathogenicity is important in order to comprehend the types of mycotoxins that may occur in this disease. The objectives of this study are to investigate potential pathogen-related mycotoxins and their relation to pathogenicity. This study included a total of 44 Fusarium spp. isolates from 11 species with five primer pairs of mycotoxins biosynthesis encoding gene. The pathogenicity test was conducted on Ciherang rice variety aged eight-weeks after transplanting. Trichodiene synthase encoding gene only amplified on certain Fusarium bubalinum isolates, while fumonisin biosynthesis encoding gene only amplified on certain F. proliferatum isolates. Beauvericin biosynthesis encoding gene was amplified on F. fujikuroi, F. grosmichelii, F. tanahbumbuense, certain isolates of F. proliferatum, and certain isolates of F. pseudocircinatum. The F. hainanense, F. sulawesiense, F. andiyazi, F. sacchari, several isolates of F. proliferatum, several isolates of F. pseudocircinatum and a species within the F. solani species complex were not amplified on all primer tested. The pathogenicity test results showed that the isolates detected for mycotoxins had no relation with the severity of the disease, the necrosis area in the leaf sheath and the AUDPC. Nonetheless, because mycotoxins have an influence on human health, the findings of this study can be used to enhance pathogen control in order to increase food security in sustainable agriculture.

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“…Some rice diseases that directly affect productivity are sheath rot and panicle blight, which can cause grain rot. Rice sheath rot has recently been reported as an emerging important rice disease in Indonesia (Pramunadipta et al 2017;Pramunadipta et al 2020). According to Bigirimana et al (2015), rice sheath rot can cause yield losses of up to 85%.…”

Section: Introductionmentioning

confidence: 99%

“…Depending on the rice variety, rot and red or greyish-brown spots appear on leaf sheath, and in severe cases rice grains are not appear (Bigirimana et al 2015;Mvuyekure et al 2017). Rice sheath rot was initially identified in Japan in 1976 (Tanii et al 1976), then in Burundi (Duveiller et al 1988), Madagascar (Rott 1989), Latin America (Zeigler 1987), Australia (Cother et al 2009), South Korea (Kim et al 2015), and Indonesia (Afifah et al 2020;Pramunadipta et al 2020). The major fungal pathogens associated with rice sheath rot are, such as Sarocladium oryzae and Fusarium spp., which might spread through wind and seed, and bacterial pathogen is Pseudomonas fuscovaginae (Bigirimana et al 2015).…”

Section: Introductionmentioning

confidence: 99%

“…These pathogens cause remarkably similar symptoms. S. oryzae is the most common fungal pathogen of rice sheath rot in Indonesia (Pramunadipta et al 2020). The Fusarium species associated with sheath rot disease in Indonesia are: Fusarium proliferatum, F. fujikuroi, F. sacchari, and F. pseudocircinatum members of the Fusarium fujikuroi species complex (FFSC); F. grosmichelii member of the Fusarium oxysporum species complex; a species from the Fusarium solani species complex; and F. hainanense, F. sulawesiense, F. bubalinum, and F. tanahbumbuense member of the Fusarium incarnatum-equiseti species complex (FIESC) (Ivayani et al 2022;Pramunadipta et al 2022a;Pramunadipta et al 2022b).…”

Section: Introductionmentioning

confidence: 99%

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Short Communication: First report of Xanthomonas sacchari causing rice sheath rot disease in Lampung, Indonesia

et al. 2023

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Abstract. Ivayani, Widiastuti A, Suryanti, Suharjo R, Priyatmojo A. 2022. Short Communication: First report of Xanthomonas sacchari causing rice sheath rot disease in Lampung, Indonesia. Biodiversitas 23: 6463-6470. Rice sheath rot is recently reported as an emerging important rice disease in Indonesia, which can cause yield losses of up to 85%. Due to its potential loss, serious attention should be given on the disease. However, there is still limited information on the causal agent of the disease in Indonesia, especially from plant pathogenic bacteria. One bacterial isolate (LSE 33) was obtained from the sheath rot symptom of rice. Pathogenicity test revealed that bacteria produced symptoms that were similar to those obtained from the field. Based on the sequence analysis of 16S rRNA gene region, isolate LSE 33 was placed within group of the type strain and reference strains of Xanthomonas sacchari. Strain LSE 33 had 99.93% sequence similarity with Xanthomonas sacchari strain SAM 144 and strain AF 10 isolated from rice, and 99.35% similarity with strain LMG 471T isolated from sugarcane. To our knowledge, this is the first report of X. sacchari causing sheath rot on rice in Indonesia.

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Short Communication: Sarocladium oryzae associated with sheath rot disease of rice in Indonesia

Cited by 13 publications

References 26 publications

Genetic diversity and pathogenicity of fungi associated with rice sheath rot in the Fogera plain, Northwest Ethiopia

Genetic diversity and pathogenicity of fungi associated with rice sheath rot in the Fogera plain, Northwest Ethiopia

Mycotoxins Detection and Pathogenicity of Fusarium spp. Pathogen of Rice Sheath Rot Disease

Short Communication: First report of Xanthomonas sacchari causing rice sheath rot disease in Lampung, Indonesia

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