Ireland

Pale smartweed (Pale persicaria)

Polygonum lapathifolium

Description
Annual, many-formed, seed-propagated weed with spindle-shaped root.

Characteristic Features
Hollow stem swollen above the nodes, sunken glands on the lower surface of the leaves, nodding spikes, and flattened seeds.

Cotyledons
Slender, length three times the width, with usually reddish hypocotyls.

Stems
Erect or ascending, usually ramified, hairless, red spotted, up to 100 cm (39.37 inch) high.

Leaves
Elliptical-lanceolate, widest in the lowest third, markedly petiolate, upper surface often reddish-splotched, underside heavily glandularly dotted.
Membranous tube on the leaves' bases, loosely adjacent to the stalk.
At the margin only short ciliate (magnifying glass!).
First true leaf long, narrow and hairy, with a silvery appearance.

Pesticides
Ally Express
intensity: ★★★
Ally Ultra
intensity: ★★★
Basagran SG
intensity: ★★★
Benta 480 SL
intensity: ★★★
Betanal Max Pro
intensity: ★★★
Buzzin
intensity: ★★★
Buzzin.
intensity: ★★★
Cadou Star
intensity: ★★★
Calibre Max SX
intensity: ★★★
CIPC
intensity: ★★★
Clove X
intensity: ★★★
Clovermax
intensity: ★★★
Compitox Plus
intensity: ★★★
Elumis
intensity: ★★★
Ethosat 500
intensity: ★★★
Farmco Rebel XT
intensity: ★★★
Finy
intensity: ★★★
Mircam Super
intensity: ★★★
Mitron WG
intensity: ★★★
Pelican Delta
intensity: ★★★
Savvy
intensity: ★★★
Savvy Premium
intensity: ★★★
Sencorex Flow
intensity: ★★★
Shotput
intensity: ★★★
Tomahawk
intensity: ★★★
Wing P
intensity: ★★★
Cliophar 100
intensity: ★★
Cliophar 600 SL
intensity: ★★
D50
intensity: ★★
Devrinol
intensity: ★★
Duplosan KV
intensity: ★★
Duplosan Super
intensity: ★★
Embutone
intensity: ★★
Farmco Undersown
intensity: ★★
Goltix 70 SC
intensity: ★★
Legumex DB
intensity: ★★
Titus
intensity: ★★
Trilogy.
intensity: ★★
Trilogy
intensity: ★★
Twinprop.
intensity: ★★
Vivendi 200
intensity: ★★
Agroxone 50
intensity: ★
Dow Shield 100
intensity: ★
DyWeed 50
intensity: ★
Easel
intensity: ★
M50
intensity: ★
Relva
intensity: ★
Alpha Bromotril P
intensity: N/A
Barclay Keeper 500
intensity: N/A
Beet Shield
intensity: N/A
Blaster PRO
intensity: N/A
Damine
intensity: N/A
DB Plus
intensity: N/A
Farmco Floxxy
intensity: N/A
Hatchet Xtra
intensity: N/A
Hyflux
intensity: N/A
Metro 20
intensity: N/A
Oxytril CM
intensity: N/A
Starane 2
intensity: N/A
Starane Hi-Load HL
intensity: N/A
Stellox
intensity: N/A
Undersown
intensity: N/A