Pesticide Usage in Scotland: Outdoor Vegetable Crops 2015

Information from a survey of pesticide use on vegetable crops grown for human consumption in Scotland during 2015.


Table 32 Mode of action/chemical group of herbicide active substances

Area (ha) and quantity (kg) of active substances for all crops

Mode of Action Active Substance Chemical Group HRAC Group Total Vegetables Total Vegetables
        (ha) (kg)
Inhibition of acetyl CoA carboxylase Cycloxydim Cyclohexanedione A 132 33
Propaquizafop Aryloxyphenoxy-propionate A 1,134 169
Tepraloxydim Cyclohexanedione A 2,268 169
All Inhibition of acetyl CoA carboxylase       3,534 371
Inhibition of acetolactate synthase ALS Imazamox Imidazolinone B 7,768 443
All inhibition of acetolactate synthase ALS       7,768 443
Inhibition of photosynthesis at photosystem II Chloridazon Pyridazinone C1 73 29
Lenacil Uracil C1 21 12
Metamitron Triazinone C1 330 692
Metribuzin Triazinone C1 2,623 423
Linuron Urea C2 9,500 2,769
Bentazone Benzothiadiazinone C3 2,433 1,661
Ioxynil Nitrile C3 146 8
All Inhibition of photosynthesis at photosystem II       15,126 5,594
Mode of Action Active Substance Chemical Group HRAC Group Total Vegetables Total Vegetables
        (ha) (kg)
Photosystem-I-electron diversion Diquat Bipyridylium D 403 78
All Photosystem-I-electron diversion       403 78
Inhibition of EPSP synthase Glyphosate Glycine G 4,265 3,900
All Inhibition of EPSP synthase       4,265 3,900
Microtubule assembly inhibition Pendimethalin Dinitroaniline K1 13,138 13,574
Propyzamide Benzamide K1 81 61
All Microtubule assembly inhibition       13,219 13,635
Inhibition of VLCFAs Metazachlor Chloroacetamide K3 3,856 2,826
Dimethenamid-P Chloroacetamide K3 125 38
S-metolachlor Chloroacetamide K3 378 508
Inhibition of VLCFAs       4,359 3,372
Inhibition of lipid synthesis Ethofumesate Benzofuran N 21 21
Prosulfocarb Thiocarbamate N 2,511 4,367
All Inhibition of lipid synthesis       2,532 4,389
Mode of Action Active Substance Chemical Group HRAC Group Total Vegetables Total Vegetables
        (ha) (kg)
Action like indole acetic acid Clopyralid Pyridine carboxylic acid O 872 124
Fluroxypyr Pyridine carboxylic acid O 13 1
MCPB Phenoxy-carboxylic-acid O 807 1,190
All Action like indole acetic acid       1,691 1,314
All herbicides       58,701 33,513
Area grown       16,671  

Note: Active substances have been grouped by their mode of action. Full details on mode of action classification can be found on the Herbicide Resistance Action Committee ( HRAC) webpage (8).

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