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Mycotoxins and Fungal Damage in Maize Harvested during 1982 in Far North Queensland

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Blaney, B.J., Moore, C.J. and Tyler, A.L. (1984) Mycotoxins and Fungal Damage in Maize Harvested during 1982 in Far North Queensland. Australian Journal of Agricultural Research, 35 (4). pp. 463-471.


Article Link: http://dx.doi.org/10.1071/AR9840463

Publisher URL: http://www.publish.csiro.au/


A survey for mycotoxins and fungal damage in maize (Zea mays L.) grown during 1982 in Far North Queensland is reported. This season had a rainfall distribution which was typical for the reglon. The 293 samples examined came from 11 1 farms in eight maize-growing districts. The samples were first subjected to rapid screening tests for fungal damage. Aflatoxins B1, B2, G1, G2 ochratoxin A, T-2 toxin, and sterigmatocystin were not detected, but zearalenone was found in 85% of the samples.

The concentrations of zearalenone were correlated with the extent of Gibberella zeae cob rot as indicated by the proportion (up to 2%) of kernels in each sample having a reddish-purple discoloration. In four samples the zearalenone concentration exceeded 1 mg kg-1, but the mean ¦ s.d. (n = 293) concentration in all samples was 0.17 ¦ 0.225 mg kg-1. Concentrations were highest in districts with the highest rainfall during the period of maize growth.

Item Type:Article
Additional Information:Reproduced with permission from © CSIRO Publishing. Access to published version may be available via Publisher’s website.
Keywords:Maize; fungal diseases.
Subjects:Plant pests and diseases > Individual or types of plants or trees > Corn. Maize
Agriculture > Agriculture (General) > Agricultural meteorology. Crops and climate
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Inspection. Quarantine
Live Archive:30 Aug 2005
Last Modified:03 Sep 2021 16:47

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