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Clovitox Plus, Topside,Tropotox Plus: MCPB/MCPA

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > Clovitox Plus, Topside, Tropotox Plus: MCPB/MCPA
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names
Clovitox Plus, Topside, Tropotox Plus
Formulation Sn
Guaranteed active concentration 375 g/L+ 25 g/L, 400 g/L, 400 g/L
Groups  4
Ontario Schedule 3
Winter Storage A
Chemical Family Phenoxy/phenoxy
Crop and/or Non-Crop Registrations Seedling white, ladino, alsike or red clovers direct seeded or underseeded in wheat, oats, barley, rye, pastures, field corn, peas, grapes (not Topside).
Sensitive Weeds Small emerged mustards, stinkweed, ragweed, lamb's-quarters, redroot pigweed, shepherd's-purse, volunteer rapeseed, wild radish, hemp-nettle, annual sow-thistle; top-growth control of bull thistle, Canada thistle, curled dock, plantain, perennial sow-thistle, field bindweed, horsetail, buttercup.
Uptake and Translocation Absorbed through the foliage and readily translocated, especially to the growing points.
Basis of Selectivity  MCPB is not directly toxic to plants. Susceptible weeds convert MCPB to MCPA.
Application Methods Postemergence. In cereals, clovers and peas, apply as an overall spray. In corn, apply with drop pipes after the corn reaches 45 cm before the beginning of tasselling. Apply to pastures after grazing or cutting.
Manufacturer / Registrant

Clovitox Plus - Interprovincial Cooperative Ltd.
Tropotox Plus - Nufarm Agriculture Inc.
Topside - United Agri Products

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