Canada

Prostrate knotweed (Wireweed, Common knotgrass)

Polygonum aviculare (Polygonum heterophyllum)

Annual, seed-propagated weed with spindle-shaped root. Depending on location P. aviculare is extremely various in habit and leaf form.

Prostrate growth, mostly branching from base, small leaves.

Cotyledons: Very long, evenly slender, bluntly pointed.

Stems: Usually prostrate, heavily ramified, leaves at the nodes up to the tip, up to 50 cm (19.5 inch) long.

Leaves: Elliptical or lanceolate to linear, pinnate-nerved, hardly petiolate, emerging from a thin, membranous, stalk-enclosing, incised tube (stipule sheath).

Pesticides
Advance 10G
intensity: ★★★
BASF Pyramin DF
intensity: ★★★
Cycle
intensity: ★★★
Devrinol 10-G
intensity: ★★★
Devrinol 2-G Ready-to-use
intensity: ★★★
Dyvel DSP
intensity: ★★★
Enforcer D
intensity: ★★★
Flexstar GT
intensity: ★★★
Glyphosate-Trimesium 480
intensity: ★★★
Pyramin FL
intensity: ★★★
Restore II
intensity: ★★★
Rival Emulsifiable Concentrate Liquid
intensity: ★★★
Sencor 480 F
intensity: ★★★
Target
intensity: ★★★
Target DS
intensity: ★★★
Touchdown 480 Liquid
intensity: ★★★
Touchdown IQ
intensity: ★★★
Touchdown Total
intensity: ★★★
Traxion
intensity: ★★★
Treflan EC
intensity: ★★★
Truvist
intensity: ★★★
Devrinol 2-XT
intensity: ★★
Devrinol 50-DF
intensity: ★★
Adrenalin SC
intensity: ★
Albaugh 2,4-D Amine 600 Liquid
intensity: ★
Carnival 540
intensity: N/A
Clearout 41 Plus
intensity: N/A
Credit 360
intensity: N/A
Credit 45
intensity: N/A
Credit Plus
intensity: N/A
Credit Xtreme
intensity: N/A
Durango
intensity: N/A
GF-2018
intensity: N/A
GF-772
intensity: N/A
GlyKamba
intensity: N/A
MON 76429 Liquid
intensity: N/A
MON 76431 Liquid
intensity: N/A
MON 76669 Liquid
intensity: N/A
MON 79791 Liquid
intensity: N/A
MON 79828 Liquid
intensity: N/A
Nufarm Glyphosate 360
intensity: N/A
NuGlo
intensity: N/A
Polaris
intensity: N/A
Powermax Liquid
intensity: N/A
Renegade HC Liquid
intensity: N/A
Roundup Transorb Liquid
intensity: N/A
Roundup Ultra Liquid
intensity: N/A