Canada

Field horsetail

Equisetum arvense

Perennial with a spreading rhizome system that produces numerous shoots and tubers, mainly occurs in moderate areas.

Upright, hollow, jointed, cylindrical stems with inconsequential and easily overlooked leaves.

Stems: Two types of stems: The fertile (reproductive) stems appear in the early spring and are whitish to light brown, unbranched, hollow, 8 mm (0.31 inch) in diameter, cylindrical, leafless, jointed, and 15-30 cm (5.9 - 11.8 inch) long with 8 to 12 teeth.
Sterile stems are green, erect or somewhat prostrate, 15-60 cm (5.9 - 23.62 inch) tall and are composed of slender, grooved, hollow joints, 1 to 1.5 mm (0.039 - 0.059 inch) in diameter .The middle and upper joints have 6 to 12 needle-like branches that are 5-10 cm (1.97 - 3.93 inch) long, jointed but not hollow, 3- or 4-angled with blackened tips. The stems and branches are surrounded by a small, toothed sheath at each node.

Leaves: Leaf sheaths of fertile shoots with ridged, rough textured 8-12 dirty brown teeth. Leaf sheats of sterile shoots triangular-lanceolate, half as long as sheath tube.

Pesticides
2,4-D Amine 500
intensity: ★★★
2,4-D BEE-4
intensity: ★★★
Enforcer D
intensity: ★★★
Flexstar GT
intensity: ★★★
Formula 40 C
intensity: ★★★
GF-2654 TC
intensity: ★★★
GF-2726 TSOY
intensity: ★★★
Glyphosate-Trimesium 480
intensity: ★★★
MCPA Amine
intensity: ★★★
OcTTain XL
intensity: ★★★
Retain B
intensity: ★★★
Scuttle
intensity: ★★★
Touchdown 480 Liquid
intensity: ★★★
Truvist
intensity: ★★★
MCPA 2 EH Ester 600
intensity: ★★
MCPA Ester 500 LV
intensity: ★★
MCPA Ester 600
intensity: ★★
2,4-D Ester 700
intensity: ★
2,4- D Ester 700
intensity: ★
2,4-D LV-600
intensity: ★
2,4-D LV-700
intensity: ★
Attain XC B
intensity: ★
Boost M
intensity: ★
Curtail M
intensity: ★
Plus M Ester 600
intensity: ★
Rexade B
intensity: ★
Stellar B
intensity: ★
Traxos Two Broadleaf Component
intensity: ★
Albaugh MCPA Ester 600 Liquid
intensity: N/A
Attain A
intensity: N/A
Attain B
intensity: N/A
Attain XC A
intensity: N/A
Curtail F
intensity: N/A
Distinct WDG
intensity: N/A
Fluroxypyr 180
intensity: N/A
Fluroxypyr EC
intensity: N/A
Fluroxypyr WDG
intensity: N/A
FX
intensity: N/A
Impede
intensity: N/A
Nufarm Fluroxypyr
intensity: N/A
Perimeter
intensity: N/A
Perimeter II
intensity: N/A
Prestige XC A
intensity: N/A
Prestige XC B
intensity: N/A
Prestige XL
intensity: N/A
Signal F
intensity: N/A
XRM-5171
intensity: N/A