Prochloraz for control of fungal pathogens of cultivated mushrooms

Zaayen, A. van; Adrichem, J. C. J.

doi:10.1007/bf02140883

Cited by 28 publications

(15 citation statements)

References 9 publications

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“…Hence, prochloraz‐Mn in this case did not provide commercially acceptable control of cobweb disease caused by C. mycophilum isolates. Other workers17, 18 have reported good control of cobweb disease by prochloraz‐Mn. However, those studies used isolates identified as Hypomyces rosellus (anamorph of C. dendroides ) rather than C. mycophilum , as well as different inoculation methods.…”

Section: Discussionmentioning

confidence: 92%

“…In the efficacy experiments reported here, cobweb growth by the benzimidazole‐sensitive isolate 202A was well controlled by both thiabendazole and carbendazim, confirming the view that wild‐type isolates are still sensitive to benzimidazole fungicides in vivo . Previously published studies on cobweb disease have used C. dendroides isolates17–19 so it is reassuring to know that wild‐type C. mycophilum isolates are controlled by benzimidazole fungicides. Thiabendazole did not prevent spotting symptoms by isolate 202A as effectively as carbendazim, except when applied as an interflush treatment.…”

Section: Discussionmentioning

confidence: 99%

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Fungicide control of mushroom cobweb disease caused by Cladobotryum strains with different benzimidazole resistance profiles

Grogan

2006

Pest Management Science

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The benzimidazole fungicides thiabendazole and carbendazim, and the imidazole fungicide prochloraz-Mn, were tested for their efficacy in controlling cobweb disease of mushrooms caused by two Cladobotryum isolates. Isolate 202A was benzimidazole-sensitive in vitro and cobweb growth on the casing was well controlled by both benzimidazole fungicides in cropping experiments. Carbendazim also controlled the development of spotting symptoms much more effectively than thiabendazole. A second isolate (192B1) was benzimidazole-resistant and was highly resistant to thiabendazole in vitro but it showed some sensitivity to carbendazim in vitro at moderate to high concentrations. Despite this, carbendazim did not control disease symptoms in cropping experiments, confirming that isolate 192B1 is cross-resistant to other benzimidazole fungicides. Both isolates showed some sensitivity to prochloraz-Mn in vitro. This fungicide gave between 45% and 65% control of cobweb growth on the casing caused by either 202A or 192B1 but gave no control of spotting symptoms. Reducing the fungicide application volume did not give enhanced disease control. The emergence of benzimidazole resistance reduces the value of benzimidazoles in the control of mushroom pathogens. However, the lack of effective alternatives means they continue to have utility in cases where pathogens are still sensitive but this requires regular monitoring of pathogen populations for resistance.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Fungicide control of mushroom cobweb disease caused by Cladobotryum strains with different benzimidazole resistance profiles

Grogan

2006

Pest Management Science

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“…However, chlorothalonil did not completely control dry bubble. Lastly, with the introduction of the prochloraz, a good control of V. fungicola has been achieved [9][10].…”

Section: Introductionmentioning

confidence: 98%

In vitro sensitivity of Verticillium fungicola to selected fungicides

Gea¹,

Tello

Honrubia

1996

Mycopathologia

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Twenty isolates of Verticillium fungicola var. fungicola collected from diseased fruit-bodies of Agaricus bisporus from prochloraz-treated crops, were exposed to a range of concentrations of six chemicals (benomyl, chlorothalonil, formaldehyde, iprodione, prochloraz-Mn-complex and prochloraz + carbendazim) in vitro. EC(50) values were determined for each fungus-fungicide combination. All isolates were more sensitive to prochloraz-Mn-complex (EC(50) values less than 5 mg 1(-1)) than to the remainder fungicides, and only seven isolates were moderately sensitive (EC(50) values between 5 and 50 mg 1(-1)) to prochloraz + carbendazim. All isolates were moderately sensitive to formaldehyde, whereas the majority of isolates were very resistant to the other three fungicides (benomyl, chlorothalonil and iprodione).

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“…After 8 days, when the mycelium reached the surface of the casing, the temperature and carbon dioxide concentrations were lowered to 18 °C and to 800 mg·l -1 , respectively. Then the casing surface was sprayed with 5 ml of aleuriospores suspension containing 1 × 10 2 ; 1 × 10 3 or 1 × 10 4 spores per ml (Van Zaayen & Van Adrichem 1982), which corresponded to 1.3 × 10 4 ; 1.3 × 10 5 and 1.3 × 10 6 spores per 1 m 2 of the casing. Cultivations carried out in pots which were not infected by M. perniciosa spores were treated as the control.…”

Section: Mushroom Cultivation and Infection Experimentsmentioning

confidence: 99%

Pathogenicity Of Mycogone Perniciosa Isolates Collected On Polish Mushroom Farms

Szumigaj-Tarnowska

Slusarski

Ulinski

2015

Journal of Horticultural Research

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Mycogone perniciosa is the fungal pathogen causing the wet bubble of white button mushrooms (Agaricus bisporus). The main symptoms of disease are undifferentiated, irregular forms of mushroom tissue, cap spotting and development of amber liquid droplets on the distorted mushrooms. The aim of the research was to assess the pathogenicity of M. perniciosa isolates that were obtained from the infected sporophores. Six isolates from Polish mushroom farms as well reference strain of Hypomyces perniciosus CBS 322.52 were used in this study. The pathogenicity of isolates was assessed on the basis of severity of disease symptoms and crop reduction in the first flush. Mushroom crop was infected with different suspensions containing of M. perniciosa aleuriospores. Significant variability was shown between tested isolates. It was stated that the pathogenicity of isolates and concentration of conidia had a significant influence on the mushroom yield. The isolate of high pathogenicity caused significant yield losses, after inoculation with 1.3 × 10 4 ·m -2, whereas the isolate with fairly pathogenicity did not produce symptoms of wet bubble disease or caused slight deformation of single sporophores, even when the casing soil was inoculated with 1.3 × 10 6 ·m -2 spores.

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Prochloraz for control of fungal pathogens of cultivated mushrooms

Cited by 28 publications

References 9 publications

Fungicide control of mushroom cobweb disease caused by Cladobotryum strains with different benzimidazole resistance profiles

Fungicide control of mushroom cobweb disease caused by Cladobotryum strains with different benzimidazole resistance profiles

In vitro sensitivity of Verticillium fungicola to selected fungicides

Pathogenicity Of Mycogone Perniciosa Isolates Collected On Polish Mushroom Farms

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