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Pursuit, Conquest B*: imazethapyr

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > Pursuit, Conquest B*: imazethapyr
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names
Pursuit, *Conquest B (*available only in Conquest co-pack)
Formulation Sn
Guaranteed active concentration 240 g/L
Groups  2
Ontario Schedule 2
Winter Storage A
Chemical Family Imidazolinone
Crop and/or Non-Crop Registrations Soybeans, a number of different edible bean market classes, refer to Table 7-1, for specific crop registrations, Clearfield corn, Clearfield Canola, processing peas, snow peas and alfalfa for seed production.
Sensitive Weeds Soil applications - green foxtail, yellow foxtail, witch grass, barnyard grass, lamb's-quarters, redroot pigweed, smartweed, lady's-thumb, wild mustard, velvetleaf, common ragweed and reduced competition from eastern black nightshade and proso millet. Postemergence application - green foxtail, yellow foxtail, witch grass, barnyard grass, redroot pigweed, velvetleaf, wild mustard, cocklebur, eastern black nightshade, ragweed and reduced competition from proso millet, large crab grass, lamb's-quarters, wild buckwheat and yellow nut sedge. Late postemergence application - green and yellow foxtail (up to 4-leaf stage), barnyard grass (up to 6-leaf stage), redroot pigweed (up to 12-leaf stage) and velvetleaf (up to 8-leaf stage).
Uptake and Translocation Absorbed by both roots and foliage. Translocation in both xylem and phloem.
Basis of Selectivity  Metabolism by tolerant species.
Application Methods Early preplant (up to 30 days before planting), preplant incorporated, preemergence and postemergence up to the 2-leaf stage of weeds.
Residual Activity Persistence depends on weather and soil conditions (more persistent under dry conditions). Rotational cropping restricted to soybeans, white beans, kidney beans, processing peas, corn, spring barley, spring wheat and winter wheat. Do not plant other crops the year following application as injury may result.Refer to Tables 4-3 and 4-4 for more information.
Unique Characteristics Can be applied up to 30 days prior to planting. Registered for use in reduced and no-till situations. Tank mixing is recommended for heavy infestations of ragweed or barnyard grass. Postemergence application requires the addition of Agral 90, or Agsurf surfactant and liquid fertilizer solution. Temporary soybean discoloration and/or shortening may occur with postemergence applications. A period of 100 days is required between application and planting winter wheat.
Manufacturer / Registrant BASF Canada Inc.

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