FUNGI ISOLATED FROM GROUNDNUTS IN SOME LOCATIONS OF WEST JAVA
AbstractABSTRACT One hundred and ninety eight groundnut samples were collected from freshly harvested groundnuts (FHG), farmer storage systems (FSS), middlemen warehouses (MW), wholesalers (WS) and retailer sample (RS) during the dry and wet seasons from Cidolog, Cianjur, Sukabumi and Bogor, West Java, Indonesia, inÂ 1990/1991. The moistureÂ contentÂ (m.c.),Â intactness of kernels,Â andÂ the percentages of groundnut kernelsÂ infected byÂ each species of fungi were analyzed. In genera), the m.c. of the samples collected during the dry season was lowerÂ than of those collected during the wet season. Also, the m.c. of samples collected from FHG, FSS and MW was higher than of those collected from WS and RS. The m.c. of samples collected from FHG was the highest (12.5-45.75%), but the percentages of damaged kernels were the lowest (2.5-13.8%), because the samples were shelled manually. AÂ totalÂ ofÂ 25Â speciesÂ ofÂ fungiÂ wereÂ isolatedÂ fromÂ samplesÂ collectedÂ fromÂ theÂ 4Â localities.Â TheyÂ were Acremonium strictum, Aspergillus candidus, A. flavus, A. niger, A. ochraceus, A. tamarii, A. wentii, Botryodiplodia theobromae,Â CladosporiumÂ cladosporioides,Â C.Â sphaerospermum,Â EumtiumÂ chevalieri,Â E.Â repens,Â E.Â rubrum, Fusarium equiseti, F. longipes, F. oxysporum, F. semitectum, Mucor sp., Papulaspora sp., Pestalotia sp., Penicillium aethiopicum, P. citrinum, Rhizapus sp., R. stolonifer and Syncephalastrum sp. TheÂ predominantÂ fungiÂ inÂ samplesÂ collectedÂ fromÂ CidologÂ andÂ SukabumiÂ duringÂ theÂ dryÂ season were Aspergillus wentii, while those collected from Cianjur and Bogor were A. niger. TheÂ percentagesÂ ofÂ kernelsÂ infectedÂ byÂ A. wentiiÂ inÂ samplesÂ collectedÂ from CidologÂ and Sukabumi were between 30-100% and 36-100%, respectively, while those of kernels infected by A. nigerin samples collected from Cianjur and Bogor were between 34-93% and 14-98%, respectively. The predominant fungi in samples collected from each location during the wet season were A. flavus. The percentage of kernels infected by the fungus in samples collected from Bogor was the highest (83-100%).Key words:Â Indonesia/WestÂ Java/StoredÂ productÂ pests/Groundnut/Fungi/AcremoniumÂ strictum/Aspergillus sp./BotryodiplodiaÂ theobromae/CladosporiumÂ sp./EurotiumÂ sp./FusariumÂ sp./MucorÂ sp./Papulaspora sp./Pestalotia sp./SPenicillum sp/Rhizopus sp./Syncephalastrum sp./Moisture content.
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