Penicillium expansum에 의한 감 푸른곰팡이병 발생
A fruit rot of sweet persimmon(Diospyros kaki cv. 'Fuyu') that infected with blue mold was found during the storage and transport in Jinju Gyeongnam Province, Korea. Fruit surfaces that infected with the fungus were formed water soaked lesion at first then gradually colonized with the fung...
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Veröffentlicht in: | Sigmulbyeong yeon'gu 2006, 12(3), , pp.290-293 |
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Sprache: | kor |
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Zusammenfassung: | A fruit rot of sweet persimmon(Diospyros kaki cv. 'Fuyu') that infected with blue mold was found during the storage and transport in Jinju Gyeongnam Province, Korea. Fruit surfaces that infected with the fungus were formed water soaked lesion at first then gradually colonized with the fungus and formed mycelial mats. From the point of infection, fruits become sunken and mostly ruptured. The pathogenic fungus was isolated from infected fruits and cultured on potato dextrose agar. The colonies of the pathogenic fungi were white at frist then became greyish green on malt extract agar. Conidia were ellipsoidal and $2.6{\sim}3.8{\times}2.4{\sim}3.8{\mu}m$ in size. Phialides were ampulliform, verticilate of 3-7, $8.0{\sim}9.2{\times}2.0{\sim}3.0{\mu}m$ in size. Metulae were verticils of 2-4, smooth, $9.0{\sim}12.6{\times}3.0{\sim}4.6{\mu}m$ in size. Ramuli were groups 1-3, smooth, $11.0{\sim}17.6{\times}2.3{\sim}3.0{\mu}m$ in size. Rami were groups 1-2, $7.5{\sim}32.6{\times}2.6{\sim}4.2{\mu}m$ in size. Stipes were septate, smooth, thin walled, $56{\sim}302{\times}2.8{\sim}4.0{\mu}m$ in size. Penicilli were mostly quaterverticillate. Based on the cultural and mycological characteristics as well as pathogenicity test on host plants, the fungus was identified as Penicillium expansum. This is the first report on the blue mold of sweet persimmon(Diospyros kaki) caused by P. expansum in Korea. 저장 및 유통중인 단감 과실에서 Penicillium expansum에 의한 푸른곰팡이병이 발생하였다. 병징은 과실 표면이 약간 함몰되면서 부패되고 그 위에 푸른곰팡이가 발생하는 것이 특징이다. 균총의 색깔은 MEA 배지에서 처음 흰색에서 푸른색을 띄며 분생포자를 많이 형성하였다. 분생포자의 모양은 타원형이며 푸른색으로, 크기가 $2.6{\sim}4.0{\times}2.2{\sim}3.8{\mu}m$ 이었다. 분생포자경은 기중균사나 균사표면으로부터 대부분 형성되고, Phialide는 3-7개의 윤생체가 있으며 단지모양으로 매끈하며 크기는 $8.0{\sim}9.2{\times}2.0{\sim}3.0{\mu}m$이며, Matulae는 2-4개의 윤생체가 있으며 거칠고 크기는 $9.0{\sim}12.6{\times}3.0{\sim}4.6{\mu}m$이다. Ramuli의 크기는 $11.0{\sim}17.6{\times}2.3{\sim}3.0{\mu}m$이고, Rami는 1-2개의 그룹으로 되어 있으며 크기가 $7.5{\sim}32.6{\times}2.6{\sim}4.2{\mu}m$이었다. Stipes에 격막이 있고 매끄러우며 가는 벽을 가졌고 크기는 $56{\sim}302{\times}2.8{\sim}4.0{\mu}m$이었다. 균사생육 적온은 $25^{\circ}C$였다. 병원성 검정결과 동일한 병원성을 나타내었다. 이상 조사한 결과로 보아, 이 병을 Penicillium expansum에 의한 감 푸른곰팡이병으로 명명할 것을 제안한다. |
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ISSN: | 1598-2262 2233-9191 |