Publication - Statistics
Pesticide usage in Scotland: Outdoor Vegetable Crops 2021
This publication presents information from a survey of pesticide use on outdoor vegetable crops in Scotland during 2021.
Table 16 Mode of action/chemical group of herbicide active substances - 2021
Area (ha) and weight (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 | Fluazifop-P-butyl | Aryloxyphenoxy-propionates (FOPs) | 1 | 301 | 38 |
| Propaquizafop | Aryloxyphenoxy-propionates (FOPs) | 1 | 442 | 60 | |
| Clethodim | Cyclohexanediones (DIMs) | 1 | 1,376 | 228 | |
| Cycloxydim | Cyclohexanediones (DIMs) | 1 | 247 | 81 | |
| All inhibition of acetyl CoA carboxylase | 2,365 | 406 | |||
| Inhibition of acetolactate synthase ALS | Imazamox | Imidazolinone | 2 | 11,186 | 654 |
| All inhibition of acetolactate synthase ALS | 11,186 | 654 | |||
| Inhibition of microtubule assembly | Pendimethalin | Dinitroanilines | 3 | 16,101 | 15,788 |
| Propyzamide | Benzamides | 3 | 84 | 118 | |
| All inhibition of microtubule assembly | 16,185 | 15,906 | |||
| Auxin mimics | Clopyralid | Pyridine-carboxylates | 4 | 1,122 | 251 |
| Fluroxypyr | Pyridyloxy-carboxylates | 4 | 109 | 7 | |
| MCPB | Phenoxy-carboxylates | 4 | 1,311 | 1,244 | |
| All auxin mimics | 2,542 | 1,503 | |||
| ha | kg | ||||
| Inhibition of photosynthesis at photosystem II (-serine 264 binders) | Metribuzin | Triazinones | 5 | 3,767 | 512 |
| All inhibition of photosynthesis at photosystem II (-serine 264 binders) | 3,767 | 512 | |||
| Inhibition of photosynthesis at photosystem II (-histidine 215 binders) | Bentazone | Benzothiadiazinone | 6 | 1,935 | 1,776 |
| Bromoxynil | Nitriles | 6 | 218 | 6 | |
| All inhibition of photosynthesis at photosystem II (-histidine 215 binders) | 2,152 | 1,782 | |||
| Inhibition of EPSP synthase | Glyphosate | Glycine | 9 | 2,677 | 2,870 |
| All inhibition of EPSP synthase | 2,677 | 2,870 | |||
| Inhibition of phytoene desaturase | Diflufenican | Phenyl ethers | 12 | 534 | 29 |
| All inhibition of phytoene desaturase | 534 | 29 | |||
| Inhibition of deoxy-D-xyulose phosphate synthase | Clomazone | Isoxazolidinone | 13 | 4,894 | 296 |
| All inhibition of deoxy-D-xyulose phosphate synthase | 4,894 | 296 | |||
| Inhibition of VLCFAs | Dimethenamid-P | α-chloroacetamides | 15 | 446 | 322 |
| Metazachlor | α-chloroacetamides | 15 | 4,380 | 2,880 | |
| S-metolachlor | α-chloroacetamides | 15 | 183 | 107 | |
| Prosulfocarb | Thiocarbamates | 15 | 264 | 409 | |
| All inhibition of VLCFAs | 5,272 | 3,718 | |||
| ha | kg | ||||
| Inhibition of cell wall synthesis | Isoxaben | Benzamides | 29 | 30 | 4 |
| All inhibition of cell wall synthesis | 30 | 4 | |||
| Inhibition of solanesyl diphosphate synthase | Aclonifen | Diphenyl ether | 32 | 1,934 | 1,230 |
| All inhibition of solanesyl diphosphate synthase | 1,934 | 1,230 | |||
| All herbicides | 53,539 | 28,910 | |||
| Area grown | 22,066 |
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(10).
Contact
Email: psu@sasa.gov.scot
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