Penicillium in pre-harvest corn from Valencia (Spain). I. Influence of different factors on the contamination |
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Authors: | M. Jimenez V. Sanchis P. Santamarina E. Hernandez |
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Affiliation: | (1) Cátedra de Microbiologia Agrícola, E.T.S.I.A. de Valencia, Spain;(2) Cátedra de Microbiologia Agrícola, E.T.S.I.A. de Lleida, Spain |
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Abstract: | In the present study we attempt to determine the principal factors which influence the contamination by Penicillium of 116 samples of pre-harvest corn from five crop areas in Valencia (Spain).In the corn tested, Penicillium is the most abundant genus after Fusarium, with an incidence of 71.5% in infected samples, counts of about 642 cfu/g and kernel infection of 8.7%. The most frequently isolated species are Penicillium chrysogenum, P. steckii and P. purpurogenum.There is a high correlation between the contamination from this genus and the amout of kernels broken and infested by insects, as well as a correlation with crop areas.We have found no difference in the contamination of the two varieties of corn investigated. |
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