Penicillium claviforme and Penicillium variabile: Pathogens of Stored Sugar Beets

Bugbee, W. M.

doi:10.1094/phyto-65-926

Cited by 20 publications

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“…On stored sugar beet roots, P. vulpinum has been shown to be the most prevalent Penicillium species in older literature, while other Penicillium species have also been documented to occur: P. cyclopium, P. duclauxii, P. expansum, P. funiculosum [now T. funiculosus], P. paneum, P. rubrum, P. stoloniferum, and P. variable [now T. variabilis] (Bugbee 1975, Bugbee and Nielsen 1978, Fugate and Campbell 2009, Liebe et al 2016, Morotchkovsky 1936, Samson et al 2011, Visagie et al 2014. In a recent fungicide study (Strausbaugh et al 2015) in a Table 2.…”

Section: Discussionmentioning

confidence: 99%

“…Penicillium species involved in storage rot have frequently been associated with wounds and are prevalent, but not necessarily the most damaging pathogen present (Bugbee 1975(Bugbee , 1982(Bugbee , 1993Nielsen 1978, Fugate andCampbell 2009;Liebe et al 2016;Mumford and Wyse 1976). In the 1970s in the Red River Valley, P. vulpinum and Phoma betae were isolated more than 70% of the time, but P. betae was considered the more damaging pathogen because it decayed roots at a faster rate (Bugbee 1982).…”

Section: Characteristicmentioning

confidence: 99%

“…Penicillium storage rot is normally associated with wounds and historically attributed to P. vulpinum (Bugbee 1975(Bugbee , 1976(Bugbee , 1993Fugate and Campbell 2009 Samson et al 2011;Visagie et al 2014). Penicillium roqueforti Thom and P. paneum have also been isolated from ensiled hard-pressed beet fibers (Boysen et al 2000).…”

Section: Introductionmentioning

confidence: 99%

“…P. claviformae Bainer), and Phoma betae A. B. Frank (Bugbee 1982;Bugbee and Cole 1976;Campbell and Bugbee 1993;Liebe and Varrelmann 2014;Miles et al 1977;Mumford and Wyse 1976;Nihlgård et al 2009;Strausbaugh et al 2009Strausbaugh et al , 2015Toda et al 2012).Penicillium storage rot is normally associated with wounds and historically attributed to P. vulpinum (Bugbee 1975(Bugbee , 1976(Bugbee , 1993Fugate and Campbell 2009 Samson et al 2011;Visagie et al 2014). Penicillium roqueforti Thom and P. paneum have also been isolated from ensiled hard-pressed beet fibers (Boysen et al 2000).…”

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A Novel Penicillium sp. Causes Rot in Stored Sugar Beet Roots in Idaho

Strausbaugh

Dugan

2017

Plant Disease

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Penicillium vulpinum along with a number of other fungi can lead to rot of stored sugar beet roots. However, Penicillium isolates associated with necrotic lesions on roots from a recent sugar beet storage study were determined to be different from P. vulpinum and other recognized Penicillium species. Phylogenies based on sequencing of the internal transcribed spacer (ITS)-5.8S, b-tubulin (BenA), and RNA polymerase II second largest subunit (RPB2) DNA regions indicate that these isolates are novel, but most closely related to the following Penicillium spp. in the section Fasiculata: P. aurantiogriseum, P. camemberti, and P. freii. Macro-and micromorphological data also support designating these isolates as a new species for which we propose the name, Penicillium cellarum sp. nov. Inoculation studies with the P. cellarum isolates on roots of the commercial sugar beet cultivar B-7 led to the formation of necrotic lesions 23 to 25 mm in diameter after 86 days in storage. These lesions were similar to those observed on sugar beet roots in commercial storage piles. These data indicate that P. cellarum is a pathogen which can cause root rot in stored sugar beet roots.Sugar beet (Beta vulgaris L.) roots are frequently stored under ambient conditions in the United States in production areas other than the Red River Valley and California (Bugbee 1993). In Idaho, which is second in sugar beet production (USDA-NASS) in the United States, approximately two-thirds of the crop is held under ambient storage conditions from October until late March when factory processing is finished (Huff 2013;Peterson et al. 1984;Strausbaugh et al. 2008). At harvest, roots are topped and handled roughly when loaded into trucks and piles, making them susceptible to injury and increased respiration and microbial invasion (Bugbee 1993;Wyse and Peterson 1979). If weather conditions are unfavorable, such as widely fluctuating temperatures and wet conditions, microbial growth can be enhanced (Bugbee 1982(Bugbee , 1993Strausbaugh et al. 2008Strausbaugh et al. , 2011Wyse 1978). Bacterial rot has been documented to be caused by Leuconostoc, while fungal invasion can be attributed to a number of causal agents including an Athelia-like basidiomycete, Botrytis cinerea Pers., Penicillium vulpinum (Cooke & Massee) Seifert & Samson (syn. P. claviformae Bainer), and Phoma betae A. B. Frank (Bugbee 1982;Bugbee and Cole 1976;Campbell and Bugbee 1993;Liebe and Varrelmann 2014;Miles et al. 1977;Mumford and Wyse 1976;Nihlgård et al. 2009;Strausbaugh et al. 2009Strausbaugh et al. , 2015Toda et al. 2012).Penicillium storage rot is normally associated with wounds and historically attributed to P. vulpinum (Bugbee 1975(Bugbee , 1976(Bugbee , 1993Fugate and Campbell 2009 Samson et al. 2011;Visagie et al. 2014). Penicillium roqueforti Thom and P. paneum have also been isolated from ensiled hard-pressed beet fibers (Boysen et al. 2000). Recently Penicillium isolates from lesions on sugar beet roots in Idaho differed from previously acknowledged species based on p...

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Section: Discussionmentioning

confidence: 99%

Section: Characteristicmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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A Novel Penicillium sp. Causes Rot in Stored Sugar Beet Roots in Idaho

Strausbaugh

Dugan

2017

Plant Disease

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“…cause storage rot of sugar beets (Beta vulgaris L.). In England (Hull l95l), Russia (Zhigaylo 1969) (Bugbee, unpublished data (Bugbee 1975 (Wood 1951 When grown in culture filtrate of P.…”

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Penicillium Claviforme: Sugar Beet Pathogen and Antagonist of Botrytis Cinerea

Bugbee¹

1976

Can. J. Plant Sci.

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Sugar beet storage rot caused by Botrytis cinerea was completely inhibited by a storage rot isolate of Penicillium claviforme in sugar beet tissue. Storage rot caused by Phoma betae was not inhibited. Growth of B. cinerea was inhibited 50–100% in liquid cultures containing diluted filtrates of P. claviforme. Differing reports as to the prevalence of B. cinerea as a storage rot pathogen may be due to this antagonism.

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Campbell¹,

Klotz²

2006

Sugar Beet

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Penicillium claviforme and Penicillium variabile: Pathogens of Stored Sugar Beets

Cited by 20 publications

References 0 publications

A Novel Penicillium sp. Causes Rot in Stored Sugar Beet Roots in Idaho

A Novel Penicillium sp. Causes Rot in Stored Sugar Beet Roots in Idaho

Penicillium Claviforme: Sugar Beet Pathogen and Antagonist of Botrytis Cinerea

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