Herbicide Recommendations for Beans: Soil Applied Grass Herbicides

Pub 75: Guide to Weed Control > Beans > Soil Applied Grass Herbicides

Excerpt from 2008 Publication 75, Guide to Weed Control, Order this publication

Precautions

Apply PPI or PRE on all dry bean (Phaseolus vulgaris) species, except Lima when applied PRE.
Apply PPI to minimize the potential for crop injury..
Do NOT use on adzuki, brown or yellow-eye beans.
Do NOT use on muck, peat or high organic matter soils.
Use the low rate on coarse-textured soils low in organic matter.
Requires rainfall for activation. Rotary hoe if no rainfall occurs within 7 days.
Improved control of yellow nutsedge is obtained when Dual II Magnum is applied PPI.
Use the higher rate for the control of nightshade.

Precautions

Precautions

Apply PPI or PRE.
Apply PPI to minimize the potential for crop injury.
Use only on white and kidney beans.
Do NOT use on muck, peat or high organic matter soils.
Use the low rate on coarse-textured soils low in organic matter.
Minimum PPI rate is 1.4 L/ha (0.5 L/ac).
Improved control of yellow nutsedge is obtained when Frontier is applied PPI.
Use the higher rate of Frontier for the control of nightshade and pigweed.
Requires rainfall for activation. Rotary hoe if no rainfall occurs within 7 days.

**Treflan EC, Rival or Bonanza 400**
Trade Name	Treflan EC	Rival	Bonanza 400
Active Ingredient	trifluralin	trifluralin	trifluralin
Formulation	480 g/L	500 g/L	400 g/L
Rate per hectare (active)	0.6 to 1.155 kg/ha	0.6 to 1.155 kg/ha	0.6 to 1.155 kg/ha
Rate per hectare (product)	1.25 to 2.4 L/ha	1.2 to 2.3 L/ha	1.5 to 2.75 L/ha
Rate per acre (product)	0.5 to 0.96 L/ac	0.48 to 0.92 L/ac	0.6 to 1.1 L/ac

Precautions

Apply PPI. Incorporate as soon as possible. Within 24 hrs.
Do NOT use on adzuki, brown, cranberry,otebo, pinto, small Red Mexican and yellow-eye beans.
Do NOT exceed 1.2 L/ha (0.48 L/ac) of Treflan on medium textured soils and 1.7 L/ha (0.68 L/ac) in heavy textured soils for lima beans.