First Report of <i>Sclerotium cepivorum</i> causing white rot of garlic in Hungary

Bakonyi, J.; Vajna, L.; Szeredi, A.; Tímár, E.; Kovács, Gábor M.; Csósz, M.; Varga, Ana

doi:10.5197/j.2044-0588.2011.023.005

Cited by 4 publications

(3 citation statements)

References 2 publications

(1 reference statement)

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“…We developed and prepared the above-mentioned bioformulations for the biological control of white rot disease caused by S. cepivorum. White rot is one of the most important and damaging diseases of garlic wherever it is cultivated (Mahdizadehnaraghi et al 2007;Bakonyi et al 2011). Presently, the most common strategy for the control of this disease is the use of chemical fungicides though fungicides are not usually effective due to the soil-born nature of the causal agent.…”

Section: Discussionmentioning

confidence: 99%

“…Garlic is an important nutritional crop grown in many countries around the world, including Iran (Clarkson et al 2002;Davis et al 2007;Mahdizadehnaraghi et al 2007;Bakonyi et al 2011). Like many other crop plants, garlic is also susceptible to several plant pathogenic agents including soil-born fungi (Clarkson et al 2002;Davis et al 2007;Francisco et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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Biological control of garlic (Allium) white rot disease using antagonistic fungi-based bioformulations

Mahdizadehnaraghi¹,

Heydari²,

Zamanizadeh³

et al. 2015

Journal of Plant Protection Research

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White rot disease caused by Sclerotium cepivorum is a major yield reducing fungal disease of garlic found throughout the world, including Iran. The use of chemical fungicides is the most common control method for the disease at the present time. This control measure is costly, contaminates the environment, and harms non-target organisms. Moreover, since the pathogen is soil-borne, chemical control strategy is not quite effective against the disease. In this study, we tried to develop and prepare some new bioformulations based on three antagonistic fungal species: Trichoderma harzianum, T. asperellum, and Talaromyces flavus. Six isolates of the above-mentioned fungi were used along with the organic and inorganic carriers, rice bran and talc, to develop twelve new bioformulations. The effectiveness of the bioformulations were then evaluated in the control of garlic white rot disease in the greenhouse conditions in comparison with the healthy control, infected control, and the commonly used fungicide Carbendazim. The design of the experiment was completely randomised. There were 15 treatments each, with four replicates. The results of the greenhouse experiments indicated that almost all the developed bioformulations resulted in significant reductions (34.50 to 64.50%) in the incidence of white rot disease. In general, bioformulations which contained the organic carrier (rice bran) performed more effectively than those that contained the inorganic carrier (talc). Bioformulations which contained an organic carrier (rice bran) were as effective as the fungicide Carbendazim.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biological control of garlic (Allium) white rot disease using antagonistic fungi-based bioformulations

Mahdizadehnaraghi¹,

Heydari²,

Zamanizadeh³

et al. 2015

Journal of Plant Protection Research

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“…Apart from onion, S. cepivorum is also able to cause white rot disease in the related Allium crop garlic. White rot poses a threat to all major onion production areas worldwide and is reported in countries of all continents including Mexico, Ethiophia, Hungary, Australia, the USA and India (Amin et al 2014;Bakonyi et al 2011;Gupta and Bharat 2017;Lupien et al 2013;Metcalf et al 1997;Perez-Moreno et al 1999).…”

Section: White Rot Pathologymentioning

confidence: 99%

Peeling the onion : Unravelling the biology of fungal onion pathogens causing leaf blight,neck rot and white rot

Steentjes¹

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Botrytis squamosa, Botrytis aclada and Sclerotium cepivorum are three fungal species of the family Sclerotiniaceae that are pathogenic on onion. Despite their close relatedness, these fungi cause very distinct diseases, respectively called leaf blight, neck rot and white rot, which pose serious threats to onion cultivation. The infection biology of particularly neck rot and white rot is poorly understood. In this study, we used GFP-expressing transformants of all three fungi to visualize the early phases of infection. B. squamosa entered onion leaves by growing either through stomata or into anticlinal walls of onion epidermal cells. B. aclada, known to cause post-harvest rot and spoilage of onion bulbs, did not penetrate the leaf surface but instead formed superficial colonies which produced new conidia. S. cepivorum entered onion roots via infection cushions and appressorium-like structures. In the non-host tomato, S. cepivorum also produced appressorium-like structures and infection cushions, but upon prolonged contact with the non-host the infection structures died. With this study, we have gained understanding in the infection biology and strategy of each of these onion pathogens. Moreover, by comparing the infection mechanisms we were able to increase insight into how these closely related fungi can cause such different diseases.

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Stromatinia cepivora (white rot of onion and garlic)

2022

CABI Compendium

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First Report of Sclerotium cepivorum causing white rot of garlic in Hungary

Cited by 4 publications

References 2 publications

Biological control of garlic (Allium) white rot disease using antagonistic fungi-based bioformulations

Biological control of garlic (Allium) white rot disease using antagonistic fungi-based bioformulations

Peeling the onion : Unravelling the biology of fungal onion pathogens causing leaf blight,neck rot and white rot

Stromatinia cepivora (white rot of onion and garlic)

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