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.

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Table 15 Mode of action/chemical group of fungicide active substances - 2021

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

Mode of action Active substance Group name Chemical group FRAC group Total vegetables Total vegetables
ha kg
Amino acids & protein synthesis Cyprodinil Anilino - pyrimidine Anilino - pyrimidine 9 8,133 2,789
All amino acids & protein synthesis         8,133 2,789
Cell wall biosynthesis Benthiavalicarb Carboxylic acid amide Valinamide carbamate 40 218 8
  Benthiavalicarb isopropyl Carboxylic acid amide Valinamide carbamate 40 109 3
  Dimethomorph Carboxylic acid amide Morpholine 40 109 20
  Mandipropamid Carboxylic acid amide Mandelic acid amide 40 847 127
All cell wall biosynthesis         1,283 158
Cytoskeleton and motor proteins Fluopicolide Benzamide Pyridinylmethyl-benzamide 43 253 25
All cytoskeleton and motor proteins         253 25
Lipid synthesis and membrane integrity Propamocarb hydrochloride Carbamate Carbamate 28 253 248
  Oxathiapiprolin OSBPI oxysterol binding protein homologue inhibition Piperidinyl-thiazole-isoxazolines 49 344 6
All lipid synthesis and membrane integrity         597 253
Multi-site contact activity Copper oxychloride Inorganic Inorganic M01 1,647 886
  Mancozeb Dithio-carbamate Dithio-carbamate M03 545 791
All multi-site contact activity         2,192 1,677
ha kg
Nucleic acid synthesis Metalaxyl-M Phenylamide Acylalanines 4 1,536 898
All nucleic acid synthesis         1,536 898
Respiration Boscalid SDHI Pyridine-carboxamides 7 16,479 3,823
  Fluxapyroxad SDHI Pyrazole-4-carboxamides 7 425 32
  Isopyrazam SDHI Pyrazole-4-carboxamides 7 2,535 317
  Azoxystrobin Qo inhibitor Strobilurin 11 11,702 2,470
  Fluoxastrobin Qo inhibitor Strobilurin 11 327 41
  Pyraclostrobin Qo inhibitor Strobilurin 11 16,479 959
  Trifloxystrobin Qo inhibitor Strobilurin 11 4,263 351
All respiration         52,209 7,993
Signal transduction Fludioxonil Phenylpyrroles Phenylpyrroles 12 8,133 1,868
All signal transduction         8,133 1,868
Sterol biosynthesis in membranes Difenoconazole DeMethylation inhibitor Triazole 3 3,780 385
  Prothioconazole DeMethylation inhibitor Triazolinthione 3 8,539 1,615
  Tebuconazole DeMethylation inhibitor Triazole 3 4,798 821
All sterol biosynthesis in membranes         17,117 2,822
All fungicides         91,454 18,483
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 Fungicide Resistance Action Committee (FRAC) webpage(9)

Contact

Email: psu@sasa.gov.scot

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