Ireland

Canada thistle (Creeping thistle)

Cirsium arvense

Description
Perennial weed with deep taproot and deep-set, initially perpendicularly-running root stolons that later bend downward geniculately, non-lacteal.
C. arvense likes nitrogen and has a very high phenotypic variability with different subspecies.

Characteristic Features
Prickly leaves, lilac florets.

Cotyledons
Wide oval, fleshy, dark green, entire, hardly petiolate, prostrate.

Stems
Erect, ramified, spineless, nearly hairless, angularly furrowed, up to 150 cm (59.05 inch) high.

Leaves
First leaves inverse-ovate, following leaves lanceolate, simple to pinnatifid, wavy-ruffled, sessile.
Leaf margin with soft to hard spines.

Pesticides
Ally Express
intensity: ★★★
Beet Shield
intensity: ★★★
Cliophar 100
intensity: ★★★
Cliophar 600 SL
intensity: ★★★
D50
intensity: ★★★
Dow Shield 100
intensity: ★★★
Duplosan Super
intensity: ★★★
DyWeed 50
intensity: ★★★
Harmony M SX
intensity: ★★★
Harmony Max SX
intensity: ★★★
High Load Mircam
intensity: ★★★
Kyleo
intensity: ★★★
Salvo
intensity: ★★★
Temsa SC
intensity: ★★★
Thrust
intensity: ★★★
TouchdownQuattro
intensity: ★★★
Vivendi 200
intensity: ★★★
Agritox 500
intensity: ★★
Agroxone 50
intensity: ★★
Ban Dock
intensity: ★★
Bandon MCPA 30
intensity: ★★
Basagran
intensity: ★★
Basagran SG
intensity: ★★
Benta 480 SL
intensity: ★★
Calibre Max SX
intensity: ★★
Clove X
intensity: ★★
Clovermax
intensity: ★★
Compitox Plus
intensity: ★★
Duplosan KV
intensity: ★★
Easel
intensity: ★★
Embutone
intensity: ★★
Farmco MCPA
intensity: ★★
Farmco Nettles
intensity: ★★
Farmco Undersown
intensity: ★★
Finy
intensity: ★★
Legumex DB
intensity: ★★
Lupo
intensity: ★★
M50
intensity: ★★
Mastercrop MCPA 50
intensity: ★★
Mircam Super
intensity: ★★
Nettle Ban
intensity: ★★
Nettleban
intensity: ★★
NU46
intensity: ★★
Pelican Delta
intensity: ★★
POL-MCPA 500 SL
intensity: ★★
Terbel Triple
intensity: ★★
Twinprop.
intensity: ★★
Axial One
intensity: ★
Flight
intensity: ★
Foundation
intensity: ★
Judo
intensity: ★
Kerb Flo
intensity: ★
Mitron WG
intensity: ★
Relva
intensity: ★
Asteroid
intensity: N/A
Blaster PRO
intensity: N/A
Careca
intensity: N/A
Chikara Weed Control
intensity: N/A
Damine
intensity: N/A
Envision
intensity: N/A
Farmco Glyphosate
intensity: N/A
Farmco Grazing Special
intensity: N/A
Farmco Marigold
intensity: N/A
Farmco Thistles
intensity: N/A
Forefront T
intensity: N/A
Galaxy
intensity: N/A
Garlon Ultra
intensity: N/A
Genoxone ZX
intensity: N/A
Genoxone ZX EC
intensity: N/A
Glyfos Dakar
intensity: N/A
Glyfos Supreme
intensity: N/A
GlyphoFIT 36 SL
intensity: N/A
Glyphosate 360
intensity: N/A
Glyweed
intensity: N/A
Grazon 90
intensity: N/A
Grazon PRO
intensity: N/A
Hempacide 30
intensity: N/A
Hy-Glo 360
intensity: N/A
Hygrass
intensity: N/A
Hysward
intensity: N/A
Icade
intensity: N/A
Master Gly 36T
intensity: N/A
Mastercrop Undersown
intensity: N/A
MCPA
intensity: N/A
Pastor
intensity: N/A
Pastor Pro
intensity: N/A
Rattler
intensity: N/A
Rosate 36
intensity: N/A
Rosate Green
intensity: N/A
Roundup Flex
intensity: N/A
SC Brushkiller
intensity: N/A
Scutchout Plus
intensity: N/A
Speedline Pro
intensity: N/A
Symbol
intensity: N/A
Synero
intensity: N/A
Thistlex
intensity: N/A
Tropotox
intensity: N/A
Tumbleweed
intensity: N/A
Vesuvius
intensity: N/A
Vival
intensity: N/A