Introduction

374
Tandem
Company:
Dow AgroSciences
Herbicide Group
2 - pyrosulam
4 - fluroxypyr
(Refer to page 44)
Formulation:
The Tandem package has 2 components:
Tandem A (PCP#29985): 30 g/L pyroxsulam formulated as an oil-dispersion.
• Container size - 8 L jug
Tandem B (PCP#29965): 333 g ae/L fluroxypyr formulated as an emulsifiable concentrate.
Crops and Staging:
Spring wheat (including durum): 3 leaf stage until the first node can be felt in the stem (up to 6 leaf plus 2 tillers).
Winter wheat: Apply in the spring from the 3 tiller stage to just before the flag leaf stage.
When tank-mixing always check the tank mix partner recommendations for additional staging restrictions.
Weeds, Rates and Staging:
Tandem A at 0.15 L per acre plus Tandem B at 85 mL per acre (53 acres per case):
• Wild oats (less than 75 plants per sqm)
Tandem A at 0.20 L per acre plus Tandem B at 127 mL per acre (40 acres per case):
• Grasses:
Weed
Stage
Wild oat
up to the 4 leaf, 2 tillers
Barnyard grass, Yellow foxtail Green foxtail*
1 to 5 leaf
Japanese brome
1 to 6 leaf
Downy brome*
2 to 6 leaf, 4 tillers
• Broadleaves:
Weed
Wild buckwheat*
Smartweed
Round-leaved mallow, Volunteer canola**
Cleavers, Cow cockle, Hemp-nettle † , Kochia,
Redroot pigweed, Stork’s-bill*
Common chickweed, Flixweed, Russian thistle*
Volunteer flax
Dandelion*
Canada thistle*
* Suppression only.
** Not Clearfield varieties
†
NOTE Group 2 resistant biotypes only controlled to the 6 leaf stage.
Maximum Application Stage
4 leaves
5 leaves
6 leaves
8 leaves or whorls
10 cm
12 cm
up to 20 cm, diameter
up to 30 cm, prebud