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ProCrop |
PrePlant Herbicides
Dual (metolachlor) PPI or PRE at 2 to 3 pt 8E/A, Frontier (dimethenamid) PPI,
PRE or EPOST up to the third trifoliate at 1 to 2 pt/A 6E/A, or Lasso (alachlor)
only PPI at 2 to 3 qt 4E/A controls annual grasses and some broadleaf weeds. PPI
may provide more consistent weed control since rainfall is essential for
activation. Dual may be tank-mixed with Eptam for wild oat control. Frontier can
be applied with Basagran and Pursuit EPOST. Sonalan has less soil residue but is
more active than trifluralin.
Eptam (EPTC) at 2.3 to 3.5 pt/A or 11 to 15 lb 20G/A plus Prowl, Sonalan, or
trifluralin many grass and broadleaf weeds including wild oat, common
lambsquarters, and eastern black nightshade. Incorporate at a 4 to 6 inch depth
immediately after application. Do not use Eptam on soybean.
Frontier (dimethenamid) can be applied in multiple applications for improved
nightshade control in dry bean. Frontier PPI or PRE provides greater nightshade
control than Dual or Lasso but may degrade in the soil before nightshade
emergence ceases. Apply Frontier EPOST alone or with Basagran up to third
trifoliate dry beans to prevent late nightshade emergence. Frontier applied as
split applications and activated by rainfall will offer improved nightshade
control compared to a single application. Split applications may provide greater
control of other weeds.
Trifluralin, Prowl and Sonalan applied PPI controls annual grasses and certain
broadleaf weeds except wild mustard, common cocklebur, and sunflower. The low
rates should be used on coarse textured, sandy soils. The high rates should be
used for control of eastern black nightshade. Incorporate in the top 2 to 3
inches of soil within 2 days of application. Trifluralin, Prowl and Sonalan are
each registered as a tank-mixture with Dual, Eptam, Frontier, Lasso, Micro-Tech,
and Partner.
Sonalan 10G at 7.5 to 12.5 lb/A 10G applied in the fall or spring suppresses
foxtail in dry edible bean and sunflower grown in reduced tillage systems. Apply
in the fall between October 10 and December 31, or spring PPI before planting.
Apply to tilled land or standing or chopped stubble. Incorporate twice 2 to 3
inches deep using a V-blade undercutter or other implements such as a rotary hoe
that leave a maximum amount of crop residue on the soil surface. Operate
implements approximately 5 mph. The first incorporation should be performed
within 48 hours after application. The second incorporation should be performed
at an angle to the first incorporation and must be delayed at least 14 days
after the first incorporation. Sonalan 10G applied in the fall should be
incorporated once in the fall and the second time in the spring before planting.
Refer to label for application rate according to soil type. The higher rate in
the rate range should be used in high crop residues and heavy weed populations.
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