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Cereal B L weed control - Nufarm UK

Cereal broadleaved weed control



Phenoxy herbicides


Nufarm has a particular expertise in hormone type herbicides or phenoxies. These products are completely unrelated to human hormones. They replicate one of the plant hormones and disrupt growth, effectively causing the weed to grow itself to death. These chemicals have been around for over 60 years and despite widespread use, have not developed the resistance problems associated with many other products in the UK.
  • Phenoxies play a useful part in resistance management
  • They will often kill larger weeds and perennial weeds which can occur in spring cereals and are not well controlled by most other actives
  • Mecoprop-P works in cooler conditions than most other spring applied products such as fluroxypyr
  • Phenoxies have a unique weed control spectrum complimentary to SU herbicides such as tribenuron-methyl or metsulfuron-methyl
  • There are no following crop or sequence issues
  • Some products such as High Load Mircam have a very broad spectrum in their own right and are ideally suited for weed control in spring cereals

Cyclops and Maya


Two new products, Cyclops and Maya have recently joined Nufarm's extensive portfolio of broadleaved weed products. Cyclops is particularly effective in the autumn and winter for control of Volunteer beans and many other weeds in cereals.

Maya, containing bromoxynil is a worthy replacement of Stellox and Oxytril CM which will not be available shortly due to the imminent demise of ioxynil. The spectrum of Maya is particularly suited to spring cereals. Both products have a non- ALS mode of action and can be used as part of a broadleaved weed resistance management programme.


The weed control spectrum of 7 Nufarm products against the main broadleaved weeds found in winter and spring cereals



The table below lists the most common cereal broadleaved weeds found in the UK and lists the strengths and weaknesses of some of the main Nufarm products. Your agchem advisor will help you make the best decision on which products to choose. The information in this table is for guidence only and is taken from various sources but does not constitute a recommendation. Always read the product label regarding weeds controlled and weed sizes controlled.
For more information about the herbicides below
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Species


Thor


Easel


Duplosan KV


High Load Mircam


Mircam Plus


Maya


Cyclops


Bindweed

s


R


m


S


S


S


s


Charlock

S


S


S


S


S


S


S


Chickweed

S*


R


S


S


S


m


s


Cleavers

R


R


S


s


s


m


M


Cranesbill

s


R


M


S


m


m


m#


Fat hen

s


S


S


S


S


S


S


Fumitory

S


M


m


S


M


M


S


Groundsel

s


R


R


S


M


s


S


Hempnettle

s


s


R


R


M


M


M


Knotgrass

s


R


R


S


S


S


S


Mayweeds

S*


R


R


s#


s


s


s


Pansy

m


R


R


R


R


m


S


Poppy

S*


s**


R


m


s**


S*


S


Red deadnettle

s


R


M


R


R


m


S


Redshank

S


R


R


S


S


M


M


Shepherd's purse

S


S


S


S


S


S


S


Sowthistles

m


m


m


m


M


s


M


Speedwells

m


R


m


m


R


m


M#


Thistle (Creeping)

S


s**


m


s


s


R


R


Vol OSR

S


S


S


S


S


S


S



Key


S


Susceptible

s


Kills seedlings but needs a tank mix for larger weeds

M


Moderately susceptible, strong contribution in a tank mix

m


Seedlings moderately susceptible, may boost activity in a tank-mix

R


No effective control - resistant or moderately resistant

*


Normally gives good control but resistance has been found and a tank mix is advised

**


Seedlings controlled but good results can be achieved just prior to flowering of weed if crop growth stage allows
#
Control differs between species

Thor contains tribenuron-methyl, Duplosan KV contains mecoprop-p. High Load Mircam contains dicamba and mecoprop-P, Easel contains MCPA and Mircam Plus contains mecoprop-P, MCPA and dicamba