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Koril, Pardner: bromoxynil

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > Koril, Pardner: bromoxynil
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names Koril, Pardner
Formulation EC
Guaranteed active concentration 235 g/L,  280 g/L
Groups  6
Ontario Schedule 2
Winter Storage C
Chemical Family Hydroxybenzonitrile
Crop and/or Non-Crop Registrations Spring wheat, barley, oats, corn, fall rye, triticale, forage sorghum and millet, garlic, dry bulb onions, and many other grasses.
Sensitive Weeds Smartweed, nightshade, velvetleaf, pigweed, common ragweed, cocklebur, stinkweed, and wild mustard are killed if the chemical thoroughly contacts these plants before they have more than 4 true leaves: wild buckwheat and lamb's-quarters control to 8 leaf. Most established perennial broadleaf weeds, chickweed and grasses tolerate field applications of this herbicide.
Uptake and Translocation Absorbed by plant foliage and moves very little within the plant.
Basis of Selectivity  Differential spray retention, uptake, translocation and degradation.
Application Methods Postemergence
Residual Activity Essentially no soil residual activity
Unique Characteristics Crop injury symptoms (leaf scorch) may develop if the plant is under stress within 2 or 3 days before or after spraying; this stress could be caused by high temperatures or high humidity or, in the case of corn, application following a period of cool, wet weather; such injury usually does not affect yields. The formulation includes a wetting agent to improve the spread of droplets on the leaf. Although bromoxynil is not an effective soil-applied herbicide, broadleaf crops such as turnips, peas and beans should not be seeded for a week after spray application.
Manufacturer / Registrant Nufarm Agriculture Inc
Bayer CropScience Inc.

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