Creeping knotweed
Polygonum prostratum (persicaria prostrata)
Decumbent herb, often with a woody rootstock, ± densely antrorsely hairy, occasionally with scattered stalked glandular hairs too.
Leaves narrow-ovate, 1–4 cm long, 3–10 mm wide, with antrorse hairs scattered on surface or restricted to veins and margins, occasionally sessile glands on lower surface too; petiole 0–3 mm long; ocrea with cilia 1–2 mm long, limb lobed and toothed.
Spikes short-cylindrical, dense, 0.6–4 cm long, 4–7 mm diam. Perianth segments 1.8–2.5 mm long, elongating to 3.2 mm in fruit.
Achene lenticular, 1.5–2.0 mm long, 1.2–1.3 mm diam., dark brown to black.
Pesticides
Advance 10G
intensity: ★★★
BASF Pyramin DF
intensity: ★★★
Dyvel DSP
intensity: ★★★
Enforcer D
intensity: ★★★
Restore II
intensity: ★★★
Target
intensity: ★★★
Target DS
intensity: ★★★
2,4-D Amine 600
intensity: ★★
2,4- D Ester 700
intensity: ★★
MCPA Amine 600
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
Trifluralin 10G
intensity: N/A