Weed Problem   Chemical   Pounds Active Ingredient (AI)/Acre   Amount of Commercial Product/Acre   Remarks and Limitations

Emerged weeds before crop emergence   paraquat
2 pt
  Apply before or after planting but before crop emerges. Include 1 pt NIS/100 gal. Will kill small grains planted for windbreak and any emerged crop plants. 60-day PHI. RUP.

Preemergence   flumioxazin
6 oz
  Apply within 3 days of planting. Controls most grasses and broadleaves.

Preemergence annuals   bensulide
5-6 qt
  Apply preplant or preemerge. Incorporate or water in. Not effective on high organic soils.

(PROWL H20 3.8 ACS)
1.5-3 pt
  Apply preemergence or postemergence at the 1- to 5- leaf stage. Follow with rainfall or irrigation within 7 days. Maximum 3.2 pt/acre/year. 45-day PHI.

Preemergence and postemergence   ethofumesate
  1.0 pre / 0.5 post  
2 pt pre / 1 pt post
  Apply after seeding or postemergence to small weeds. Controls chickweed, lambsquarters, nightshades, pigweed, smartweeds, mustards, nutsedge. Maximum 6 pt/acre/year.

Preemergence grasses, nutsedge   dimethenamid-P
12-21 fl oz
  Apply after the 2 leaf stage of seeded garlic. For transplanted garlic, allow soil to settle around plants for several days before application. Use low rate on sandy soil. 30 day PHI.

Postemergence broadleaves   bromoxynil
8-24 fl oz
  Apply after garlic emerges but before it is 12 inches high. 112 day PHI in mineral soil; 60-day PHI in muck soil.

0.25-1.0 pt
  Apply 0.5 to 1 pt within 2 days of transplanting. Do not apply preemergence to seeded garlic. Another application may be made after 2 weeks. For postemergence, apply after garlic has 2 true leaves. Maximum of 1 pt/acre/year. 60 day PHI.

Postemergence grasses   clethodim
9-16 fl oz
  Apply to actively growing grasses. Include 0.25% NIS/acre. Maximum of 64 fl oz/acre/year. 45-day PHI.

10-12 fl oz
  Apply to actively growing grasses. Maximum of 6 pt/acre. Include 1 qt COC or 1 pt NIS/acre. 45-day PHI.

(POAST 1.5E)
1-1.5 pt
  Apply to actively growing grasses. Include 1 qt COC/acre. Maximum total of 4.5 pt/acre. 30-day PHI.

Emerged perennials   glyphosate
2-3 qt
  Apply to emerged perennials before planting the crop. Wait 3 days before planting.