<i>Phomopsis</i> (<i><scp>D</scp>iaporthe</i>) Species as the Cause of Soybean Seed Decay in <scp>K</scp>orea

Sun, Shufeng; Kim, Moon Young; Chaisan, Tanapon; Lee, Yin-Won; Van, Kyujung; Lee, Suk-Ha

doi:10.1111/jph.12034

Cited by 17 publications

(10 citation statements)

References 12 publications

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“…L.) and identified as ascomycetous fungi, where the most common genera across three regions were Alternaria and Diaphorte followed by Fusarium . Diaphorte (anamorph = Phomopsis ) species are associated with several soybean diseases, where Diaporthe longicolla (anamorph = Phomopsis longicolla ) is the primarily cause of seed decay of soybeans and it is the major cause of poor‐quality seed (Darwish, Li, Matthews, & Alkharouf, ; Li, Hartman, & Boykin, ; Mengistu, Castlebury, Morel, Ray, & Smith, ; Santos, Vrandecic, Cosic, Duvnjak, & Phillips, ; Sun et al, ). Fusarium species are also associated with several plant diseases such as vascular wilts, root and stem rots among others (Pitt & Hocking, ).…”

Section: Discussionmentioning

confidence: 99%

Identification of fungi associated with soybeans and effective seed disinfection treatments

Escamilla

Rosso

Zhang

2019

Food Science & Nutrition

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Sprouts can be a vehicle for the transmission of several pathogens capable of causing human illness, and the potential source of contamination is seed used for sprouting. The limited information about seed‐borne pathogens as well as their incidence on soybean seeds for soybean sprout industry led the objectives of this study that were to identify seed‐borne pathogens on commercial sprout soybean seeds and to evaluate different decontamination treatments on disinfection effectiveness and sprout quality. Seeds of “MFS‐561,” a sprout soybean cultivar, from three production regions were used in this study. The internal transcribed spacer (ITS1 and ITS2) DNA sequences of the isolated fungi from MFS‐561 seeds were used for species identification. Seven disinfection treatments were evaluated on their effectiveness on reducing fungal incidence and impact on sprout characteristics. Out of 55 fungal isolates obtained from the soybean seeds, seven species and six genera were identified. The most frequent genera across regions were Alternaria, Diaphorte, and Fusarium. The treatment of soaking seeds in 2% calcium hypochlorite for 10 min and 5% acetic acid for 2 min before sprouting were promising seed disinfection treatments as they significantly reduced fungi incidence without any negative effects on sprout quality.

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Section: Discussionmentioning

confidence: 99%

Identification of fungi associated with soybeans and effective seed disinfection treatments

Escamilla

Rosso

Zhang

2019

Food Science & Nutrition

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“…Later, their occurrence has also been documented in Serbia (Nevena et al 1997), Argentina (Pioli et al 2001), Croatia (Santos et al 2011), Brazil (Costamilan et al 2008, and several other countries (Sun et al 2013;Mengistu et al 2014).…”

Section: Introductionmentioning

confidence: 94%

Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds

et al. 2020

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Phytopathogenic fungal species of the Diaporthe/Phomopsis complex (DPC) are associated with three highly destructive diseases on soybean: seed decay, pod and stem blight, and stem canker. They are responsible for poor seed quality and significant yield reduction in most soybean-producing areas. Precise identification and classification of DPC species are important in understanding the epidemiology of disease and to develop effective control measures. Although cultural and morphological characteristics of DPC-associated pathogens have been described, establishing a more accurate taxonomic framework seems necessary for a revaluation of the taxonomy and phylogeny of DPC species. In this study, we focused on morphological and molecular analyses of species from DPC-damaged European soybean seeds obtained from several locations throughout Europe. Colony characteristics, conidia dimensions, existence of αand β-conidia, and formation of perithecia were evaluated in order to assign the isolates to a species morphologically. Phylogenetic relationships were determined based on sequences from betatubulin (TUB), translation elongation factor 1-alpha (TEF1), and nuclear ribosomal DNA internal transcribed spacers (ITS). All isolates were tested for pathogenicity on soybean with positive results. In this study, we present updated taxonomic data by combining morphological observations and molecular tools which placed 32 Diaporthe isolates into four DPC species: D. longicolla, D. caulivora, D. eres, and D. novem, which are well-known soybean pathogens.

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“…For example, until recently, both D. phaseolorum and D. phaseolorum var. sojae has been used for the fungus causing pod and stem blight of soybean (Kmetz et al 1978;Wrather et al 1997;Zhang et al 1997;Mengistu et al 2010;Sun et al 2013). Diaporthe sojae (h D. phaseolorum var.…”

Section: Introductionmentioning

confidence: 99%

The Diaporthe sojae species complex: Phylogenetic re-assessment of pathogens associated with soybean, cucurbits and other field crops

et al. 2015

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Phomopsis (Diaporthe) Species as the Cause of Soybean Seed Decay in Korea

Cited by 17 publications

References 12 publications

Identification of fungi associated with soybeans and effective seed disinfection treatments

Identification of fungi associated with soybeans and effective seed disinfection treatments

Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds

The Diaporthe sojae species complex: Phylogenetic re-assessment of pathogens associated with soybean, cucurbits and other field crops

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