Herbicides
303
• 
Safety - page 25 • First aid - page 33 • Resistance management - page 41
Storage
Store in a heated area.
Tundra
Group 1, 6, 27
Formulation
Product
Company
Active ingredient
Formulation
Container size
Tundra (PCP# 29367)
Bayer CropScience Pyrasulfotole 15.5 g/L
Emulsifiable concentrate 8.1 L , 129.6 L, 405 L
Fenoxaprop-p-ethyl: 46 g/L
Emulsifiable concentrate
Bromoxynil 87.5 g/L
Emulsifiable concentrate
8.1
L jug will do 10 acres
Crops and Staging
Crops
Staging
Barley, spring wheat (including durum)
1 - 6
leaf on main stem plus 3 tillers
Weeds and Staging
Apply at 1 - 6 leaf stage unless otherwise noted.
Grassy Weeds: 1 to 6 leaves, up to emergence of the 3rd tiller
barnyard grass
green foxtail
wild oats
yellow foxtail
Broadleaf Weeds: Unless otherwise stated, 1 - 6 leaf stage
annual sow-thistle
Canada thistle (suppression, up to 30 cm
in height)
chickweed
2
cleavers
1,2
(1 - 6
whorl)
common ragweed
dandelion
3
(
suppression, up to 10 cm in
height and 25 cm in diameter)
flixweed (up to 10 cm in height)
hemp-nettle
kochia
2
(
up to 10 cm in height)
lamb’s-quarters
pale smartweed
perennial sow-thistle (suppression)
redroot pigweed
round-leaved mallow (suppression)
Russian thistle (up to 10 cm in height)
shepherd’s-purse
stinkweed
volunteer canola (all types)
wild buckwheat
wild mustard
1
For control of cleavers at the 4 to 6-whorl growth stage, add ammonium sulphate at 202 g/acre (99%) or 0.4L/acre (49% solution) or 0.5L/ace (40%
solution). If using an ammonium sulphate product with a different concentration, adjust the rate accordingly.
2
Including group 2 and 4 resistant biotypes.
3
Includes seedlings and overwintered rosettes.
Rate
810
mL/acre
Registered Tank Mixes
None.
Bayer CropScience supports the following mixes that are not on the Tundra label. Apply mixes according to the most
restrictive use limitations for either product.
Tank mix partners
Crop
Crop stage/comments
2,4-
D ester ( 56-112 g ai/acre)
Spring, durum wheat and barley
4 - 6
leaf plus 3 tillers
MCPA ester ( 56-112 g ai/acre)
Spring, durum wheat and barley
3 - 6
leaf plus 3 tillers
Tropotox Plus/Clovitox Plus/Topside (cont’d)