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Selectivity Among Cabbage (Brassica oleracea L.) Cultivars by Clomazone

Published online by Cambridge University Press:  12 June 2017

Herbert J. Hopen ,
Robert L. Hughes  and
Bruce A. Michaelis
Herbert J. Hopen
Affiliation:
Univ. Wisconsin-Madison, 53706–1590
Robert L. Hughes
Affiliation:
Univ. Wisconsin-Madison, 53706–1590
Bruce A. Michaelis
Affiliation:
Univ. Wisconsin-Madison, 53706–1590
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Abstract

Excellent agreement between a two-year replicated study relative to chlorosis development by clomazone in thirty-six cabbage cultivars and development of chlorosis in a production field was obtained. The cultivars ‘Bravo’, ‘Cheers', and ‘Genesis' developed the most severe chlorosis symptoms and ‘Bently’, ‘Carlton’, ‘Cecile’, ‘Gourmet’, ‘King Cole’, ‘Ocala’, ‘Red Acre’, ‘Rio Verde’, ‘Roundup’, ‘Sombrero’, ‘Stonehead’, ‘Straton’, ‘Titanic’, and ‘Tristar’ the least chlorosis. During a dry soil period chlorosis symptoms were more pronounced. Yield reduction at an application rate exceeding the suggested use rate for weed control varied positively with level of chlorosis in 1992 for the cultivars Bravo, Cheers, Genesis, ‘Krautman’, and ‘Marvelon’.

Keywords

Clomazone, 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinonecabbage, Brassica oleracea L. vars. capitata, rubra, sabauda.
Type
Research
Information
Weed Technology , Volume 7 , Issue 2 , June 1993 , pp. 471 - 477
Copyright
Copyright © 1993 Weed Science Society of America 

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References

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