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Home Publications Tree Planters' Notes Tree Planters' Notes Volume 59, Number 1 (2016) Weed Management in Southern Bareroot Hardwood Nurseries

Weed Management in Southern Bareroot Hardwood Nurseries

Nursery managers in the Southern United States rely on chemical and nonchemical methods of weed control. Chemical treatments include fumigation with methyl bromide and chloropicrin in combination with selective herbicides. At nurseries where methyl bromide is not used, managers rely on herbicides and sanitation practices. Although several herbicides are registered for use on hardwoods, some formulations can injure seedlings if improperly applied to seedbeds. Most grasses can be effectively controlled with selective herbicides and many small-seeded broadleaf weeds can be suppressed when preemergence herbicides are applied before germination of weeds. Several preemergence herbicides may be legally applied either at time of sowing or after seedlings are established. Several nursery managers have fabricated shielded herbicide sprayers to apply herbicides between drills to certain difficult-to-control weeds. The most effective integrated weed management programs include rigorous sanitation practices and judicious use of efficacious herbicides.

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Author(s): David B. South

Publication: Tree Planters' Notes - Volume 59, Number 1 (2016)

Volume: 59

Number: 1