Plant protection chemicals used on malting barley in the UK
updated April 2008
Colour Code			KEY				KEY
Herbicide			d = draft				Bold - MRL (as of 16 Sept 2005)
Growth regulator			p = provisional				p - provisional, implemented from  May 2006
Fungicide			t = temporary
Insecticide, Pre-harvest			* MAPPNo 20052578
Insecticide, Post-harvest			2 EFSA review, Jan 2006
Other
		EU MRL	EU MRL	UK MRL	UK MRL	Codex	Japanese MRL (mg/kg)
Chemical	Agricultural Use on malting barley	(mg/kg)	Barley Status	(mg/kg)	Barley Status	Codex MRL  (mg/kg)		Australian MRL
		Barley		Barley		Barley	Barley	Barley
Acibenzolar-S-methyl	Plant resistance activator	0.05				not set	0.05
Al phosphide (as Hydrogen phosphide)	Insecticide; Post harvest fumigant	0.1				0.1	0.1p	0.1
Alpha-cypermethrin (as cypermethrin)	Insecticide, pre harvest use	0.2				0.5	0.5
Amidosulfuron	Herbicide	0.01	d t			not set
azoxystrobin	Fungicide; pre harvest use	0.3	p			not set	0.3	0.02
bifenox	Herbicide	0.1	d t			not set	0.1
bifenthrin	Insecticide: pre and post harvest	0.5				[0.05]	0.05	2 (T)
bisdithiocarbamates as CS2	Fungicide; pre harvest use	2				1	1p	0.5
boscalid	Fungicide; pre ear emergence only	3	d t	3	temporary	not set
bromoxynil	Herbicide	0.05				not set	0.2p	0.2
bromuconazole	Fungicide; pre ear emergence only	0.2	d t			not set
carbendazim (residue includes benomyl)	Fungicide; pre harvest use	2				0.5	0.6	0.05
carboxin	Insecticide; seed treatment only	0.01	d t			not set	0.2p	0.1
carfentrazone-ethyl	Herbicide	0.05	LOD, p			not set	0.08p	0.05
chlormequat	Growth Regulator	2				2	0.5	2 (T)
chloroethylphosphonic acid (ethephon)	Growth Regulator	0.5				1	1p	1
chlorothalonil	Fungicide; pre harvest use	0.1				0.1	0.1
chlorotoluron	Herbicide					not set
chlorpyrifos	Insecticide, pre harvest use	0.2				not set	0.2	0.1 (T)
chlorpyrifos-methyl	Insecticide; post harvest use	3				not set	6	10
Clothianidin	Fungicide, seed treatment only			0.05*		not set	0.02
clopyralid	Herbicide	2	d t			not set	2	2
cinidon-ethyl	Herbicide	0.1	LOD			not set	0.1
cyflufenamid	Fungicide; pre harvest use			0.1t		not set	1p
cyfluthrin	Insecticide; pre harvest use	0.02	LOD			not set	2	2
cypermethrin	Insecticide; pre harvest use	0.2				0.5	0.5	1
cyproconazole	Fungicide; pre harvest use	0.1	d t			not set	0.1	0.02
cyprodinil	Fungicide; pre harvest use	3	d t			3	2
2,4-D	herbicide	0.05	LOD, p			not set	0.5	0.2
2,4-DB	herbicide	0.05	LOD,p			not set	0,02p	0.02
deltamethrin	Insecticide; pre harvest use	2				2	1	2
Diatomaceous Earth	Insecticide; post harvest use	not applicable				not set	exempted
dicamba	Herbicide	0.5	d t			not set	0.5	0.05
dichlorprop-P	Herbicide	0.2	d t			not set
diclofop-methyl	Herbicide	0.05	d t			not set	0,1p	0.1
diflufenican	Herbicide	0.05	d t			not set	0.1	0.05
epoxiconazole	Fungicide; pre ear emergence only	1	d t			not set	0,5p	0.5
esfenvalerate (RR and SS isomers)	Insecticide; pre harvest use	0.2				2 (as fenvalerate)	2 (as fenvaerate)	2 as fenvalerate
esfenvalerate (Rs and SR isomers)	Insecticide; pre harvest use	0.05					2 (as fenvalerate)
ethephon (as chloroethyl-phosphonic acid)	Growth Regulator	0.5				1	1	1
famoxadone	Fungicide; pre harvest use	0.02	LOD, d t			0.2	0.2p
fenoxaprop-p-ethyl	Herbicide	0.1	d t			not set	0.1	0.01
fenpropidin	Fungicide, pre harvest use	0.5	d t			not set
fenpropimorph	Fungicide, pre harvest use	0.5				0.5	0.5p
florasulam	Herbicide	0.01	LOD, p			not set	0.01p	0.01 (T)
fludioxonil	Fungicide, seed treatment only	0.05	d t			0.05	0.02
flufenacet	Herbicide for winter barley	0.05	LOD	0.05t		not set	not set for barley
fluoxastrobin	Fungicide, pre harvest use	0.5	d t	0.5t		not set
flupyrsulfuron methyl	Herbicide	0.02	LOD			not set
fluquinconazole	Fungicide, pre harvest use	0.05	d t			not set	not set for barley
fluroxypyr	Herbicide	0.1	p			not set	0.3p	0.2
flurtamone	Herbicide	0.02	p			not set
flusilazole	Fungicide, pre harvest use	0.2	d t			0.1	0.1
flutriafol	Fungicide, pre harvest use	0.5	d t			not set	0.2p	0.2
fuberidazole	Fungicide, seed treatment only	0.2	d t			not set
glufosinate ammonium	Herbicide and dessicant	0.1	d t			not set	5
glyphosate	Herbicide and dessicant	20				30	20	10
glyphosate (trimethyl sulfonium cation)	metabolite of glyphosate	10				not set
guazatine	Fungicide, seed treatment only	0.2	d t			not set
hydrogen phosphide	Insecticide; Post harvest fumigant	0.1				0.1	0.1p	0.1
imazalil	Fungicide, seed treatment only	0.02	LOD			not set	0.05
imazaquin	Herbicide	0.05	d t			not set	0.05p
imidacloprid	Insecticide; seed treatment only	0.1	d t			0.05	0.05p	0.05
iodosulfuron-methyl sodium	Herbicide	0.02	LOD			not set	not set for barley
ioxynil	Herbicide	0.05				not set	0.1p
iprodione	Fungicide, pre harvest use	0.5	p			2	10
isoproturon	Herbicide	0.05	LOD, p			not set
isoxaben	Herbicide					not set
kresoxim-methyl	Fungicide, pre harvest use	0.05	LOD			0.1	5
lamda-cyhalothrin	Insecticide, pre harvest use	0.05	LOD			not set		0.2
linuron	Herbicide	0.05	LOD			not set	0.1p	0.05
malathion	Insecticide; post harvest use	8				not set	2	8
Mg phosphide (as hydrogen phosphide)	Insecticide; Post harvest fumigant	0.1				0.1	0.1p	0.1
mancozeb  (dithiocarbamate)	Fungicide, pre harvest use	2				1	1p	0.5
maneb (dithiocarbamate)	Fungicide, pre harvest use	2				1	1p	0.5
MCPA	Herbicide	0.05, as MCPA	LOD, d t			not set	0.1	0.02
MCPB	Herbicide					not set	0.02p	0.02
Mecoprop-P	Herbicide	0.05	LOD			not set	0.05p	0.05 as mecoprop
mepiquat chloride	Growth Regulator	3	d t	2		not set	2p
metaldehyde	Molluscicide	0.05	d t			not set		1
metconazole	Fungicide, pre harvest use	0.1	d t			not set	(barley not set)
methiocarb	Insecticide, pre harvest use only	0.05				0.05	0.05
metrafenone	Fungicide, pre harvest use	0.5	d t	0.5t		not set
metsulfuron methyl	Herbicide	0.05	LOD, p			not set	0.1	0.02
pendimethalin	Herbicide	0.05	LOD			not set	0.2	0.05
picoxystrobin	Fungicide, pre harvest use	0.2	p	0.2t		not set
pinoxaden	Herbicide			0.05	temporary	not set	0.5p	0.1
pirimicarb	Insecticide; pre harvest use only	0.5	d t			[0.05]	0.05	0.02
pirimiphos-methyl	Insecticide; post harvest use	5				7	1	7
prochloraz	Fungicide, pre harvest use	1				0.5	0.5
prohexadione calcium	Growth Regulator	0.2	p				0.2p
propiconazole	Fungicide, pre harvest use	0.05	LOD (0.2 from Feb 07)			0.05	1	0.05
proquinazid	Fungicide, pre-harvest use			0.05	temporary	not set
prosulfocarb	Herbicide	0.05	d t	[0.02]t		not set
prothioconazole	Fungicide, pre harvest use	0.3	d t	0.05t		not set
pyraclostrobin	Fungicide; pre ear emergence only	0.3				0.5	0.4
quinoxyfen	Fungicide, pre ear emergence only	0.2				not set	0.01
silthiofam	Fungicide, seed treatment only	0.05	LOD	0.05t		not set
spiroxamine	Fungicide, pre harvest use	0.3	p			not set	0.3p
sulphur	Fungicide, pre harvest use	50	d t			not set	exempted
tau-fluvalinate	Insecticide; pre harvest use only	0.5	d t			not set
tebuconazole	Fungicide, pre harvest use	2	d t			0.2	0.05	0.2
tefluthrin	Insecticide; seed treatment only	0.05	d t			not set
thifensulfuron methyl	Herbicide	0.05	LOD, p			not set	0.1p	0.02
thiodicarb (as methomyl)	Molluscicide, applied at sowing	0.05	LOD			0.5	2p
thiram (dithiocarbamate)	Fungicide, seed treatment only	0.1				1	1p	0.5
tralkoxydim	Herbicide					not set	0.02	0.02
triadimenol (+triadimefon)	Fungicide, pre harvest use	0.2				triadimenol, 0.5, triadimefon, 0.5	triadimenol, 0.5: triadimefon, 0.5	0.5 of which <0.01 triadimenol
tri-allate	Herbicide	0.1	d t			not set	0.05p	0.05
triasulfuron	Herbicide	0.05	LOD, p			not set	0.02p	0.02
triazoxide	Fungicide, seed treatment only					not set
tribenuron-methyl	Herbicide	0.01	LOD			not set	0.1	0.01
trifloxystrobin	Fungicide, pre harvest use	0.3	p	0.5t		0.5	0.5p
trifluralin	Herbicide	1	d t			not set	0.1	0.05
trinexapac ethyl	Growth Regulator	0.5	d t			not set	0.02p
trisulphonium cation (from glyphosate)		10				not set
triticonazole	Fungicide, seed treatment only	0.01	LOD, p			not set	0.04p	0.05
zeta-cypermethrin (as cypermethrin)	Insecticide; pre harvest use only	0.2				0.5	0.5	1