Producing Quality Oat Hay

Table 6.5 Herbicides for weed control in oat hay crops - source Agrilink Agricultural Consultants.
Herbicide
group
Active
ingredient
Example of
brand name
Comments
B metosulam Eclipse ® Apply late post Post emergent broadleaf
emergent. weed control.
B flumetsulam Broadstrike ® Apply late post Post emergent broadleaf
emergent. weed control.
B chlorsulfuron Glean ® , Siege ® Apply post Used post emergent for Group
emergent. B susceptible weeds.
B metsulfuron Ally ® Apply after GS15. Used without the addition of
methyl wetter on certain weeds.
C bromoxynil Buctril ® , Apply after GS13. Can be used in a tank mix with
Bromicide ® Avoid spraying in
warm conditions.
diflufenican (Group F).
C diuron Diuron, Apply pre-seeding, Used as a residual herbicide
Diurex ® post seeding/pre- before emergence or as a tank
emergent or early mix partner early post
post emergent. emergent.
D trifluralin TriflurX Apply pre-seeding Only at low rates pre-seeding
or post seeding in no-till situations or before
pre-emergent. emergence and incorporated
by seeding. Seeding depth is
critical to avoid oat damage.
F diflufenican Brodal ® Apply post Usually applied as a tank mix
emergent. partner with a Group I product.
G carfentrazone Affinity ® Apply after GS14 Particularly good as a tank mix
but before GS31. partner to control bifora and
bedstraw.
I dicamba Cadence ® , Apply before Common mixing partner for
Banvel ® GS25. wireweed and legume control.
I MCPA Ester MCPA LVE Apply between Can be used in a tank mix with
MCPA LVE GS13 and GS37. diflufenican to broaden
MCPA Amine MCPA 500 Rate dependent at spectrum.
differing growth Appears to be less damaging
stages. than equivalent rates of
2,4-D products.
I 24-D Amine Amicide ® Apply between Only at low rates as scorching
24-D Ester Estercide ® GS13 and GS37. and yield loss can occur at
Rate dependent at
differing growth
stages.
high spraying rates.
I clopyralid Lontrel ® , Apply at any Good for thistles and legumes
Archer ® growth stage. with some short term soil
residual. Can be residual in hay.
K metolachlor Dual ® , Apply pre-seeding Usually applied as post sowing
Dual Gold ® or post seeding pre-emergent, often in
pre-emergent. combination with diuron.
Highly soluble so damage can
occur in sandy soils or shallow
sown crops.
Note – some of the above chemicals are not covered by label registrations but only by supplementary registrations that may only relate to certain States.
Always check the label and with your reseller or adviser before use.
PRODUCING QUALITY OAT HAY
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