Weed Control

NOTE:  For the herbicides listed below, one product trade name and formulation is provided for each active ingredient (common name) as an example of rates, days to harvest (dh), REI, and special instructions. In many cases there are other products available with the same active ingredient. Please see Table 17 and Alphabetical Listing by Trade Name for more information on products with the same active ingredients. 

Stale Seedbed

glyphoste (Roundup 4S): 1 to 5 qt/A (REI 12h, Group 9). Stale seedbed application.  See Stale Seedbed Technique.

Soil Applied

trifluraline (Treflan HFP):  1 to 2 pt/A (REI 12h, Group 3).  Incorporate before planting.  Disc twice immediately after spraying for satisfactory incorporation.  Little or no control of ragweed, galinsoga, or nutsedge.

Postemergence

sethoxydim (Poast 1.53EC):  1 to 1 1/2 pt/A (30dh, REI 12h, Group 1).  Apply with crop oil concentrate at 2 pts/A.  Apply to actively growing weed grasses (see product leable for susceptible stage of growth).  Do not apply when air temperature exceeds 90°F or when relative humidity exceeds 60%.

pelargonic acid (Scythe 4.2):  3% to 10% (REI 25h, Group 27).  Use a 3-5% solution for annual weeds (4-6 oz/gal water, a 5-7% solution for biennial and perennial weeds (6-9 ox/gal water), and 7-10% solution for maxmium burndown (9-13 oz/gal water).  Delivery rate for boom applications should be 75 to 200 gal spray solution/A; complete coverage of weed foliage is essential.  Use a DIRECTED/SHIELDED SPRAY; contact with crop will cause injury.  For hand-held equipment, spray to completely wet all weed foliage but not to the point of runoff.  Repeat applications as necessary.  Tank mixes are allowed with this product.  These include tank mixes with glyphoste (Roundup), sulfosate (Touchdown), and residual herbicides.  See label for complete details.

clethodim (Select 2 EC):  6 to 8 oz/A (30 dh, REI 24h, Group 1).  Apply to actively growing grasses.  See a label for grass height and herbicide rate.  Always use a crop oil concentrate at a rate of 1 gal/100gal spray mix.  See both container label and supplemental label available from dealer.