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TurfMaize: corn gluten meal (CGM)

Author: OMAFRA Staff
Creation Date: 03 March 2006
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > TurfMaize: corn gluten meal (CGM)

 

Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names TurfMaize
Active Ingredient Corn gluten meal (CGM)
Formulation Granular pelletized
Guaranteed active concentration TurfMaize 98% CGM
Group n/a
Ontario Schedule 6
Winter Storage C
Chemical Family organic
Crop and/or Non-Crop Registrations Established Kentucky Bluegrass
Sensitive Weeds

Inhibits germination of dandelion and smooth crabgrass weed seeds, when used in conjunction with a sound lawn maintenance program.
Does NOT control emerged or established dandelion or smooth crabgrass.

Uptake and Translocation Root inhibition.
Application Methods

PRE - Apply to established turf twice a year; once in early spring , and once between late August and October 31 to sports fields, parks, golf areas and sod farms.
Spring application: apply 2 weeks before large crabgrass seed germination.
Late summer/early fall: apply after heat stress has passed.
Apply using a rotary or small hand spreader.
Apply ONLY to established Kentucky bluegrass.
Apply when soil is moist and rain is forecasted within 2 days of treatment.
Apply irrigation if rain does not fall within 2 days of treatment.

Precautions Do NOT apply on newly seeded grass - wait until after first mowing.
Do NOT apply under windy conditions.
Do NOT apply in the spring if overseeding or sodding in the spring.
Do NOT apply in the fall if overseeding or sodding in the fall.
Do NOT apply if allergic to corn.
Residual Activity Unknown.
Excessive rain at time of treatment may reduce effectiveness.
Unique Characteristics Corn gluten meal contains 10% nitrogen by weight.
Safe for children and pets to use yard immediately after application.
Manufacturer / Registrant The Environmental Factor Inc.

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