"Smutty" wheat caused by Ustilago utriculosa on dock-leaved persicary

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DOIResolve DOI: http://doi.org/10.1139/cjr32-107
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TypeArticle
Journal titleCanadian Journal of Research
ISSN0366-6581
Volume7
Issue6
Pages578582
SubjectUstilago utriculosa; losses in crop production; wheat crops
AbstractUstilago utriculosa (Nees) is reported for the first time in Canada on pale or dock-leaved persicary. It is a loose smut, readily dispersed when passing through a threshing machine.Infected persicary plants growing in a wheat field were harvested with the grain, and in the threshing operation the grain was mechanically contaminated with smut spores. The grain was visibly covered with smut, but there was no odor as is the case when wheat is infested with bunt spores.Wheat contaminated with persicary loose smut spores seems to be subject to the usual additional cost in handling common to "smutty" wheat caused by bunt. The effect of persicary smut on the loaf color was similar to that of bunt. These observations afford an example of the indirect ways in which weeds may cause losses in crop production.
Publication date
LanguageEnglish
Peer reviewedYes
NRC number372
NPARC number21273536
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Record identifier127b3200-4e73-4f65-821d-63650d6bf5d8
Record created2015-01-15
Record modified2016-05-09
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