Retracted: First report of Clonostachys rosea causing root rot of Beta vulgaris in North Dakota, USA

Haque, M. E.; Parvin, Most Shanaj

doi:10.5197/j.2044-0588.2020.042.021

Cited by 6 publications

(4 citation statements)

References 5 publications

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“…& W. Gams, C. grammicospora Schroers & Samuels, C. pityrodes Schroers, C. rogersoniana Schroers, and C. rosea were demonstrated to have the potential for biocontrol application [ 4 , 44 , 45 , 46 , 47 ]. Meanwhile, strains of C. rosea were occasionally reported as an opportunistic phytopathogen [ 48 , 49 ]. Therefore, studies on the biodiversity of Clonostachys are of theoretical and practical importance and need to be carried out continuously and extensively.…”

Section: Discussionmentioning

confidence: 99%

Three New Species of Clonostachys (Hypocreales, Ascomycota) from China

Zeng

Zhuang

2022

JoF

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Three new species of Clonostachys are introduced based on specimens collected from China. Clonostachys chongqingensis sp. nov. is distinguished by pale yellow to pale orange-yellow perithecia with a very low papilla, clavate to subcylindrical asci possessing ellipsoidal to elongate-ellipsoidal spinulose ascospores 13–16 × 4.5–5.5 μm; it has acremonium- to verticillium-like conidiophores and ellipsoidal to rod-shaped conidia. Clonostachys leptoderma sp. nov. has pinkish-white subglobose to globose perithecia on a well-developed stroma and with a thin perithecial wall, clavate to subcylindrical asci with ellipsoidal to elongate-ellipsoidal spinulose ascospores 7.5–11 × 2.5–3.5 μm; it produces verticillium-like conidiophores and ellipsoidal to subellipsoidal conidia. Clonostachys oligospora sp. nov. features solitary to gregarious perithecia with a papilla, clavate asci containing 6–8 smooth-walled ascospores 9–17 × 3–5.5 μm; it forms verticillium-like conidiophores and sparse, subfusiform conidia. The morphological characteristics and phylogenetic analyses of combined nuclear ribosomal DNA ITS1-5.8S-ITS2 and beta-tubulin sequences support their placement in Clonostachys and their classification as new to science. Distinctions between the novel taxa and their close relatives are compared herein.

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Section: Discussionmentioning

confidence: 99%

Three New Species of Clonostachys (Hypocreales, Ascomycota) from China

Zeng

Zhuang

2022

JoF

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“…Clonostachys rosea [8,24,25]. Our study shows that Alternaria decomposes sugar beet tissue, which can be a potential threat for storage beets.…”

Section: Discussionmentioning

confidence: 97%

In Vitro and In Vivo Pathogenicity of A. alternata to Sugar beet and Assessment of Sensitivity to Fungicides

Haque

Parvin

2022

Preprint

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A. alternata is a weak and opportunistic pathogen, but recently this pathogen has been reported in major sugar beet growing regions in the US. Therefore, we were interested to investigate the in-vitro and in-vivo pathogenesis of A. alternata to sugar beet seed, seedlings, tissue slices, stecklings, and roots. The in-vitro study demonstrated that A. alternata reduces seed germination, causes damping-off of seedlings, and decomposes beet tissue. The in-vivo study showed the same inoculum responsible for Alternaria leaf spots, and black circular spots on beetroot. Furthermore, we did a preliminary study to determine in vitro sensitivities of some fungicides to determine the effective concentration that inhibited 50% of radial mycelial growth (EC50 values) of A. alternata. The results indicated that EC50 values ranged from 0.0023 to 0.0058 for PROLINE, from 0.0004 to 0.0021 for OMEGA, and from 0.0027 to 0.0053 for Super TIN. Among the potential fungicides, the efficiency of quinone outside inhibitors (QoI- PRIAXOR) was relatively higher to inhibit the radial growth of A. alternata, irrespective of concentrations.

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“…For instance, the biological control fungus Clonostachys rosea , a naturally occurring root endophyte, has been shown to be effective against several foliar plant pathogens. However, C. rosea has also been reported as the causal agent of root rot, crown rot, and wilt-type diseases in garlic, faba bean, avocado, strawberry, sugar beet, and medicinal plants such as Angelica sinensis and Astragalus mongholicus ( Ma et al, 2020; Qi et al, 2022; Diaz et al, 2022; Afshari et al, 2017; Coyotl-Pérez et al, 2007; Zhang et al, 2022; Haque and Parvin, 2020, Farhaoui et al, 2023 ). Similarly, E. nigrum has been described as a potent biological control agent against wheat stripe rust.…”

Section: Discussionmentioning

confidence: 99%

Diagnostic of head blight and leaf blotch diseases of wheat in Sweden using a mycobiome isolation approach

Kaur,

Vilvert,

Corrales Gutiérrez

et al. 2024

Preprint

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Increasing the durability of crop resistance to plant pathogens has become a major concern in plant pathology. There are 32 diseases of agronomical importance in wheat, which makes disease management in this crop of worldwide importance extremely challenging. Two important groups of wheat pathogens driving the consumption of chemical fungicides in Sweden and worldwide are those causing head blight diseases and leaf blotch diseases. Swedish fields are regularly infested with head blight diseases typically driven by a complex ofFusariumand non-fusarium taxa includingF. graminearum,F. culmorum, while leaf blotches are typically caused byZymoseptoria tritici,Pyrenophora tritici-repentis, andParastagonospora nodorum. In this work, we present a survey of the larger diversity of taxa associated with head blight and leaf blotch diseases in Sweden, with the primary aim to assess the usefulness of such an approach to develop new understanding and tools for disease diagnostics and managementsensu lato. Here, we analyze nearly a thousand isolates collected from wheat fields across eight counties in Sweden and report the identification of pathogenic and non-pathogenic taxa as well as candidate biological control agents associated with head blight and leaf blotch diseases. We argue that such surveys represent an important tool for improving disease diagnostics, disease forecasting, and integrated management in wheat.

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Retracted: First report of Clonostachys rosea causing root rot of Beta vulgaris in North Dakota, USA

Cited by 6 publications

References 5 publications

Three New Species of Clonostachys (Hypocreales, Ascomycota) from China

Three New Species of Clonostachys (Hypocreales, Ascomycota) from China

In Vitro and In Vivo Pathogenicity of A. alternata to Sugar beet and Assessment of Sensitivity to Fungicides

Diagnostic of head blight and leaf blotch diseases of wheat in Sweden using a mycobiome isolation approach

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