Identification and Characteristics of Penicillium spp. Isolated from Postharvest Decay of Pear

Kim, Ju-Hee; Lee, Wang-Hyu; Cheong, Seong-Soo; Choi, Joung-Sik; Ryu, Jeong; Choi, Yeong-Geun

doi:10.5423/rpd.2002.8.2.107

Cited by 10 publications

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“…in terms of decay on pome fruit identified in this study were P. expansum, P. crustosum, P. digitatum and P. solitum. These species have formerly been described in pome fruit environments (2,22) and pathogenic (excluding P. digitatum) on pome fruit (14,22,32). Sanderson and Spotts (22) previously reported isolating P.…”

Section: Discussionmentioning

confidence: 99%

“…Significant losses have been attributed to decay caused by Penicillium spp. (12,14,16,20,22,32).A report by Sanderson and Spotts (22) indicates that numerous Penicillium spp. naturally inhabit pome fruit environments (packinghouses and storage facilities) and are prominent on fruit bins.…”

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confidence: 99%

“…Borkh.) and pears (Pyrus communis L.) in causing decay (14,22,32). Other pathogenic species reported include P. aurantiogriseum Dierckx., P. brevicompactum Dierckx., P.commune Thom, P. griseofulvum Dierckx., P. verrucosum, Dierckx.…”

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Pathogenic Penicillium spp. on Apple and Pear

Louw

Korsten

2014

Plant Disease

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Numerous Penicillium spp. have been associated with postharvest fruit spoilage. This study investigates pathogenicity and aggressiveness of selected Penicillium spp. previously isolated from South African and European Union fruit export chains. Penicillium expansum was the most-and P.crustosum the second most aggressive on all apple cultivars (Royal Gala, Granny Smith, Golden Delicious, Topred and Cripps Pink) and two pear cultivars (Packham"s Triumph and Forelle) tested.Penicillium digitatum was the most aggressive on Beurre Bosc, Beurre Hardy and Sempre (Rosemarie) pear cultivars and the third most aggressive on Granny Smith and Cripps Pink apple cultivars. To our knowledge this is the first report where P. digitatum has been described as aggressive on certain pome fruit cultivars. These cultivars are also the most commonly associated with decay on the export markets resulting in considerable end-market losses. Penicillium brevicompactum was detected pathogenic on pears, but was not further evaluated in the study.Penicillium solitum was observed more pathogenic (broader cultivar range and higher disease incidence) and aggressive (larger lesions) on pear cultivars than on apple cultivars. This study provides new information on host specificity and the importance of pathogenic Penicillium spp.isolated from various environments in the shipping and marketing channels. INTRODUCTIONThe South African pome fruit industry is economically important in terms of global trade. The industry produces over 1.1 million tons of fruit of which 46.6% are exported as fresh produce, earning close to $431.6 million in net export realization in 2012 (9). Postharvest losses have been reported as high as 50% in developing countries (5,21,26). Significant losses have been attributed to decay caused by Penicillium spp. (12,14,16,20,22,32).A report by Sanderson and Spotts (22) indicates that numerous Penicillium spp. naturally inhabit pome fruit environments (packinghouses and storage facilities) and are prominent on fruit bins. Of these species, P. expansum Link ex Gray, P. crustosum Thom, and P. solitum Westling have been described as the most important on apples (Malus domestica L. Borkh.) and pears (Pyrus communis L.) in causing decay (14,22,32). Other pathogenic species reported include P. aurantiogriseum Dierckx., P. brevicompactum Dierckx., P.commune Thom, P. griseofulvum Dierckx., P. verrucosum, Dierckx. and P. carneum Frisvad (2,12,16,18,23). However, these species have less often been associated with decay of pome fruit.Several other Penicillium spp. isolated from pome fruit environments (2,22) are best known as pathogens on other fruit crops. These include P. digitatum (Pers.:Fr.) Sacc. on citrus (8) and P. glabrum (Wehmer) Westling on pomegranates (3). Complex fruit trade networks result in a large variety of fruit from different countries being retained together in storage or holding facilities (34). In addition, citrus and pome fruit are sometimes re-packed in the same facility to remove decaying fruit. This practice can p...

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Section: Discussionmentioning

confidence: 99%

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Pathogenic Penicillium spp. on Apple and Pear

Louw

Korsten

2014

Plant Disease

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“…can be responsible for postharvest decay of apple and pear fruit (Moslem et al ., ). However, it has commonly been found that P. expansum , P. crustosum and P. solitum , in order of severity, cause the greatest extent of pome fruit losses (Sanderson & Spotts, ; Kim et al ., ; Barkai‐Golan, ). Of all the pear pathogens described before, only P. aurantiogriseum was not isolated from the pear export chain.…”

Section: Discussionmentioning

confidence: 99%

Profile of Penicillium species in the pear supply chain

Scholtz

Korsten

2016

Plant Pathology

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Postharvest fruit decay caused by Penicillium pathogens is considered to be one of the most important challenges in the pear industry resulting in market-end losses. Moving export fruit through different environments exposes the product to extensive handling, temperature variations and microbes. Therefore, the profile of Penicillium spp. present in the pear export chain from South Africa (SA) to the UK was studied over a four-year period. Sampling was done at two packhouse facilities, controlled atmosphere and cold storage areas in SA and at two repack facilities and cold storages as well as a distribution centre and a retailer in the UK. Sampling consisted of swabbing walls and floors and using active and passive air sampling. In total, 5056 isolates were obtained, purified and grouped into 282 morphological groups. Of these, 350 representative isolates were selected for further identification. The five most dominant species in the pear chain were: P. glabrum (23Á40%), P. chrysogenum (15Á13%), P. crustosum (14Á16%), P. brevicompactum (8Á96%) and P. expansum (8Á39%), of which the latter three were confirmed pathogenic on pears. This study provides a framework to monitor the inoculum potential in environments that fruit move through while being exported.

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“…The published Korean literature on the genus is scattered and fragmentary and pertains to about 60 species (Anonymous, 2004; Cho et al, 2005; Lee et al, 2003). Most of them are soil-borne and only 10 species have been reported to be associated with storage diseases of plant products (Anonymous, 2004; Kim et al, 2002; Oh et al, 1999). …”

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Six Species ofPenicilliumAssociated with Blue Mold of Grape

et al. 2007

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Grape fruits with blue mold symptoms were collected from house storages in different locations in Korea and were investigated for their association with Penicillium species. A total of 12 isolates of Penicillium were isolated from the collected fruits. Based on morphological and cultural characteristics and β-tublin gene sequence data analysis, they were identified as P. bialowiezense, P. citrinum, P. echinulatum, P. expansum, P. solitum and unidentified Penicillium species. P. solitum was the predominant followed by P. expansum. P. bialowiezense and P. echinulatum were newly recorded in Korea. β-Tubulin gene sequences could be used to distinguish each species of Penicillium and the molecular groups were correlated well with the morphological species. The unidentified species was supposed to be a new species, not previously reported in literature.

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Identification and Characteristics of Penicillium spp. Isolated from Postharvest Decay of Pear

Cited by 10 publications

References 0 publications

Pathogenic Penicillium spp. on Apple and Pear

Pathogenic Penicillium spp. on Apple and Pear

Profile of Penicillium species in the pear supply chain

Six Species ofPenicilliumAssociated with Blue Mold of Grape

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