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Valid: drift retardant/defoamer

Author: OMAFRA Staff
Creation Date: 01 May 2004
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Adjuvants > Valid: drift retardant/defoamer
Excerpt from Chapter 5, Publication 75, Guide to Weed Control, Order this publication
Trade Names
Valid
Type of adjuvant Deposition and drift reduction agent, antifoam-defoamer
Chemical composition Lecithin, emulsifiers, glycols and dimethylpolysiloxane defoamer
Guaranteed Active 100%
Ontario Schedule n/a
Winter Storage A
Benefit Small quantities of Valid added before adding pesticides will prevent foam from forming. Adding Valid to the spray tank will also reduce the production of fine spray droplets that may drift.
Mixing Mix 125 mL per 100 L of spray mixture.
Manufacturer / Registrant  United Agri Products

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