PEAS


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

Emerged weeds   paraquat
(GRAMOXONE SL 2.0)
  0.5-1  
2-4 pt
  Apply before or after seeding but before crop emergence. Include 1 pt NIS/100 gal. RUP.

Preemergence   clomazone
(COMMAND 3ME)
  0.5  
1.3 pt
  Apply to soil surface after planting. Use in combination with other herbicides to broaden weed control spectrum. Cover crops planted after pea harvest may suffer some stand reduction.

  fomesafen
(REFLEX 2L)
  0.25  
1 pt
  Apply after seeding pea in tank mix with other herbicides. Use only once in 2 yr on same soil. 46 day PHI. See: www.farmassist.com to obtain Michigan 24c indemnification label. 18-month rotational restriction for most crops.

  linuron
(LOROX 50DF)
  0.5-1  
1-2 lb
  Garden pea, green pea, English pea, edible podded pea, dry pea. Apply up to 2 lb product after seeding peas. Do not use on sand or loamy sand soils, or soils with <1% OM.

  pendimethalin
(PROWL H20 3.8 ACS)
  0.71-1.4  
1.5-3.0 pt
  Preplant incorporated only.

  s-metolachlor
(DUAL MAGNUM 7.62EC)
  0.95-1.9  
1-2 pt
  Use lower rate on sandy soils with less than 3% organic matter. Apply preemergence only. Do not incorporate on English peas.

  saflufenacil
(SHARPEN 2.85 SC)
  0.017  
0.75 fl oz
  Edible pod peas, succulent peas. Controls eastern black nightshade, lambsquarters, horseweed, pigweeds, velvetleaf. Apply within 3 days of seeding
peas. 0 PHI.

  trifluralin
(TREFLAN 4EC)
  0.5-0.75  
1-1.5 pt
  Apply before planting. Incorporate 2-3 inches soon after spraying. Use lower rate on early plantings on sandy soils.

Preemergence or early postemergence   imazethapyr
(PURSUIT 2L)
  0.047  
3 fl oz
  Apply PPI or PRE. Do not apply to peas treated with TrefIan.
POSTEMERGENCE: Apply 2-3 fl oz after 1 true leaf stage. Include 1 pt NIS/50 gal water. 30-day PHI. OBSERVE CROP ROTATION RESTRICTIONS. PURSUIT MAY CAUSE CARRYOVER INJURY.

Postemergence   imazamox
(RAPTOR 1L)
  0.023  
3 fl oz
  ENGLISH PEAS. Apply to peas at least 3-inches tall and before 5-nodes. Do not use preemergence after Treflan. Add NIS or COC. Controls nightshade, mustards, pigweeds. May stunt peas.

Postemergence broadleaves   bentazon
(BASAGRAN 4L)
  0.75-1  
0.75-1 qt
  Apply after peas have 3 pairs of leaves. Two applications are needed for nutsedge and Canada thistle control. Do not exceed 2 qt/acre/year. Do not add COC on peas. 30-day PHI.

Postemergence broadleaves, Canada thistle   MCPB
(THISTROL (2 lb/gal))
  0.5-1  
1-2 qt
  Apply when peas have developed 6-12 nodes. Do not apply later than 3 nodes before pea flowering or yields may be reduced. Do not apply when peas are under stress or when temp. exceeds 90 F.

Postemergence grasses   clethodim
(SELECT MAX 0.97E)
  0.068-0.12  
9-16 fl oz
  Include 0.25% NIS/acre. Maximum of 64 fl oz/acre/year. 14 day PHI.

  quizalofop
(ASSURE II 0.88E)
(TARGA)
  0.04-0.08  
6-12 fl oz
6-12 fl oz
  Apply to actively growing grasses in 10-20 gpa. Include 1 qt COC or 0.5 pt NIS/acre. 30-day PHI.

  sethoxydim
(POAST 1.5E)
  0.19-0.28  
1-1.5 pt
  Dry and succulent peas. Apply to actively growing grasses. Use high rate on perennial grasses. Maximum 4 pt/acre/year. Include 1 qt COC/acre. 15-day PHI for succulent peas and 30-days PHI for dry peas.

Perennials   glyphosate
(ROUNDUP 4L)
  2  
2 qt
  Apply in the fall or spring prior to planting. Include 1 pt NIS/acre. Wait 5 days before plowing.

PEAS (Southern)


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

Germinating or emerged broadleaves   imazethapyr
(PURSUIT 2L)
  0.063  
4 fl oz
  Apply PPI or PRE after seeding.

POSTEMERGENCE: Apply when southern peas are at least 3 inches high. Include 1 pt NIS/50 gal water. 30-day PHI.

OBSERVE CROP ROTATION RESTRICTIONS. PURSUIT MAY CAUSE SEVERE CARRYOVER INJURY.

Preemergence   s-metolachlor
(DUAL MAGNUM 7.62EC)
  0.95-1.9  
1-2 pt
  Use low rates on soils with less than 3% organic matter. Incorporate 1-2 inches before planting, or apply to soil after planting.

  trifluralin
(TREFLAN 4EC)
  0.5-1  
1-2 pt
  Apply before planting and incorporate 2-3 inches. Use lower rate on sandy soils.

Preemergence broadleaves, nutsedge   halosulfuron
(SANDEA 75 WDG)
  0.023  
0.5 oz
  Apply after seeding before crop emergence. May cause crop stunting and delayed emergence. 30 day PHI.

Postemergence broadleaves, nutsedge   bentazon
(BASAGRAN 4L)
  0.75-1  
0.75-1 qt
  Apply after peas have 3 pairs of leaves to prevent injury. Two applications are needed for nutsedge and Canada thistle control. Do not apply more than 2 qt/acre/year. Do not add COC on peas.

Postemergence grasses   sethoxydim
(POAST 1.5E)
  0.19-0.28  
1-1.5 pt
  Use on all dry and succulent peas. Apply to actively growing grasses. Maximum 4 pt/acre/year. Include 1 qt COC/acre. 15-day PHI for succulent peas and 30-day PHI for dry peas.

Emerged perennials   glyphosate
(ROUNDUP 4L)
  2-3  
2-3 qt
  Apply to emerged perennials before planting or after harvest.