FORAGE AND ARABLE
Farmers urged not to gamble with gorse control Gorse is a perennial brushweed that was originally introduced to New Zealand as a hedge plant and marginal fodder crop for domestic stock. It is estimated to have spread over 900,000 hectares¹ of New Zealand farmland.
Tordon Brushkiller XT TM reliably
Tordon Brushkiller XT is highly versatile
controls brushweeds thanks to
and can be used to control gorse,
its combination of three active
broom, blackberry, woolly nightshade,
ingredients. Uniquely, Tordon
wattles, tutus, lupin and many annual
Brushkiller XT is the only brushweed
broadleaf weeds. Reliable and robust
herbicide to contain an extremely
in both aerial and gun and hose
Being a legume gorse grows quickly
aminopyralid.
and can out compete pasture for water,
powerful active ingredient called Unlike other herbicides that simply burn
applications, it is recommended that Tordon Brushkiller XT be applied with Boost™ penetrant for optimal results.
light and nutrients and thereby reduce
off brushweed foliage, aminopyralid
grazing capacity. Gorse flowers twice
is systemic, which means that it
each year, once in the autumn and
moves throughout the treated plant –
again in the spring/summer – after
including down into the roots, thereby
which it will produce seeds that can
preventing regrowth of treated bushes.
remain in the soil for decades before
Aminopyralid residues remain active
germinating. Seed populations of up
in the soil after application to prevent
can then be targeted with a follow-up
to 6,000 seeds per square metre are
germination of new gorse seedlings
spray. Over-sow areas of previously
not uncommon in the top soil and
and if applied to flowering gorse prior
dense infestations in order to rapidly
disturbance will trigger germination. In
to seed maturity, Tordon Brushkiller
re-establish grasses that will prevent
particular, heat from fire, will strongly
XT will sterilise the seed and reduce
infestation of invasive secondary
promote germination.
the future weed burden. Only Tordon
weeds. Avoid pugging, cultivation
Brushkiller XT with aminopyralid offers
or burning, as this will encourage
this high level of control.
germination of any remaining viable
Because Tordon Brushkiller XT is grass
seed in the soil.
²
friendly, pasture grazing potential is maximised after spraying and existing pasture grasses re-establish quickly to help prevent the germination of secondary invasive weeds, therefore full pasture productivity is restored more quickly.
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After application, gorse may take 18-24 months to fully break down, so it is recommended that the treated area is monitored for any plants that may have escaped the initial treatment. These
For further information, contact your Farmlands Technical Field Officer or the friendly team at your local Farmlands store. Article supplied by Dow AgroSciences. ¹ Sandrey, 1985. ² Gonzalez et al., 2010.
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