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Response of Early-Maturing Cabbage (Brassica oleracea var. capitata) to Metolachlor

Published online by Cambridge University Press:  12 June 2017

R. R. Bellinder ,
D. Wilcox-Lee ,
A. Senesac  and
D. T. Warholic
R. R. Bellinder
Affiliation:
Veget. Crops. Dep., Cornell Univ., Ithaca, NY 14853-0327
D. Wilcox-Lee
Affiliation:
Veget. Crops. Dep., Cornell Univ., Ithaca, NY 14853-0327
A. Senesac
Affiliation:
Veget. Crops. Dep., Cornell Univ., Ithaca, NY 14853-0327
D. T. Warholic
Affiliation:
Veget. Crops. Dep., Cornell Univ., Ithaca, NY 14853-0327
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Abstract

The effect of three rates of metolachlor on ‘Prime Time’ and ‘Tastie’, early maturing, fresh-market cabbage was evaluated in two geographically distinct regions of New York in 1986 and 1987. Metolachlor, when applied at 1.1, 1.7, and 2.2 kg ai/ha either pretransplant or 48 h after transplanting, caused no observable negative effects on either cabbage variety in either year when grown on sandy loam soils on Long Island. On a central New York silt loam soil, injury from metolachlor at 1.7 and 2.2 kg/ha applied post-transplant was negligible and transient. Metolachlor applied post-transplant caused a delay in maturity of Tastie cabbage in both years but not Prime Time; however, total yields equalled those of the weed-free controls with both varieties. Metolachlor applied pretransplant frequently caused excessive and persistent injury and often reduced cabbage yields.

Keywords

Metolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl) acetamidecabbage, Brassica oleracea var. capitata L.Phytotoxicitychloroacetanilide herbicides
Type
Research
Information
Weed Technology , Volume 3 , Issue 3 , September 1989 , pp. 463 - 466
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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