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Old 04-01-2012, 12:45 AM
slemon slemon is offline
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Speedzone under trees

Is there a restriction on spraying Speedzone under trees? On one label it says not to spray roots of trees. Does it mean exposed roots or area under the canopy should be avoided altogether? Specifically fruit trees.
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Old 04-01-2012, 04:11 AM
greendoctor greendoctor is online now
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This depends on your climate and soil. If you have sandy soil in a high rainfall area, I would not. Exposed roots and the tree trunks themselves should be avoided. They can absorb enough herbicide to affect the tree. This is an instance where an accurate application is important. An overdose for the area might not affect the grass, but the trees would know. I have used Speedzone and other more active herbicides under trees, but I know what rate of product per acre is being applied.
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Old 04-01-2012, 11:58 AM
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RigglePLC RigglePLC is offline
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The main concern is the dicamba which is absorbed by the roots. But Speedzone has the same dicamba as Trimec. The root warning should be the same.
The extra ingredient, carfentrazone has no effect on roots.
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Old 04-01-2012, 12:50 PM
slemon slemon is offline
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sandy soil, irrigated lawn, application per label. So I probably should skip areas under trees.
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