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Response of Purple and Yellow Nutsedge to Dichlobenil

Published online by Cambridge University Press:  12 June 2017

W. S. Hardcastle  and
R. E. Wilkinson
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Abstract

Purple nutsedge (Cyperus rotundus L.) and yellow nutsedge (Cyperus esculentus L.) tubers were stored at 5 C in soil treated at 0, 2, 3, 4, 6, 8, or 10 lb/A 2,6-dichlorobenzontrile (dichlobenil) for 2, 4, 6, 8, 10, or 12 weeks. Respiration of dormant tubers differed with species, unaffected by period of storage or dichlobenil concentration. Sprouting of untreated tubers decreased from 90% after 2 weeks storage to 43% after 12 weeks. Yellow nutsedge sprout production was uniform in time; purple nutsedge sprouting progressed to an 8-week high. Increased concentrations of dichlobenil progressively inhibited sprouting.

Information

Type
Research Article
Information
Weed Science , Volume 16 , Issue 3 , July 1968 , pp. 339 - 340
Copyright
Copyright © Weed Science Society of America 

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References

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