Herbicide Recommendations for Cabbage, Cauliflower, Broccoli, Brussels Sprouts: Soil Applied Grass and Broadleaf Herbicides

Pub 75: Guide to Weed Control > Vegetable Crops > Herbicide Recommendations for Cabbage, Cauliflower, Broccoli, Brussels Sprouts: Soil Applied Grass and Broadleaf Herbicides

Excerpt from 2008 Chapter 13, Publication 75, Guide to Weed Control, Order this publication

Precautions

PPI or PRE.
Apply at a rate of 9 to 13.5 kg/ha (3.6 to 5.4 kg/ac) on light sand or sandy loam soils.
Apply at a rate of 11 to 15.5 kg/ha (4.4 to 6.2 kg/ac) on medium silt loam soils.
Do NOT use on muck soils.
Apply in 250 L/ha (100 L/ac) of water.
Apply immediately after seeding or directly over transplants, preemergence to weeds.
If weeds have emerged, cultivate the soil before application.
Rainfall or irrigatioin (about 1 cm) is necessary for activation.

**Treflan or Rival or Bonanza**
Trade Name	Treflan	or Rival EC	or Bonanza 400
Active Ingredient	trifluralin	or trifluralin	or trifluralin
Formulation	480 g/L	500 g/L	400 g/L
Rate per hectare (active)	0.6 to 1.1 kg/ha	0.6 to 1.1 kg/ha	0.6 to 1.1 kg/ha
Rate per hectare (product)	1.25 to 2.3 L/ha	1.2 to 2.2 L/ha	1.5 to 2.75 L/ha
Rate per acre (product)	0.5 to 0.92 L/ac	0.48 to 0.94 L/ac	0.6 to 1.1 L/ac

Precautions

PPI
Use ONLY on direct seeded cabbage or cauliflower, or on transplants of cabbage, cauliflower, broccoli and Brussels sprouts.