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Cereal broadleaved weed control - Nufarm Ireland

Spring broadleaved weed control in cereals



Nufarm have a wide range of broadleaved weedkillers in cereals. Thor is a sulfonyl urea herbicide which has a very wide spectrum of weed control. It is important to sustain the effectiveness of such an important group of herbicides and to prevent the development of resistance, therefore it is advisable to tank-mix Thor with a herbicide with an alternative mode of action such as Duplosan KV, Easel or High Load Mircam.

All cereal herbicides have their strengths and weaknesses. Nufarm have the products to cover most broad-leaved weed situations.

Always read the label especially regarding use of Thor in sequences and mixtures following other SU products. If in doubt contact your advisor. All the other products listed below can be used following an autumn applied sulphonyl urea product


The dirty dozen



The table below lists the 12 most common cereal broad-leaved weeds found in Ireland and lists the strengths and weaknesses of some of the Nufarm products. Your agchem advisor will help you make the best decision on which products to choose. The table below is for guidance only. The performance of a product depends on the dose rate used and the size of the weeds.

Species


Thor


Duplosan KV


Easel


High Load Mircam


Bindweed

T


T


T


S


Charlock

S


S


S


S


Chickweed

Sr


S


T


S


Cleavers

T


S


T


M


Knotgrass

M


T


T


S


Mayweeds

S


T


T


M


Pansy

M


T


T


M


Poppy

Sr


T


S*


T


Red deadnettle

M


M


T


T


Redshank

S


T


T


S


Speedwells

M


M


T


M


Fat hen

S*


S


S


S



Key



S


Weed species is susceptible to this product
S*- This weed is susceptable at certain growth stages
Sr- Be aware resistance has developed to this group of herbicides in some areas

M


Small weeds of this species usually controlled and will contribute to control when used as part of a tank-mix

T


Weed is generally resistant to this product A tank-mix will be needed for adequate control

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