Lady's-thumb


Names

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Scientific Name

Polygonum persicaria L.

Biology

Description

Lady's-thumb is an annual weed.  It has alternate, lance-shaped leaves. The leaves usually have a purplish blotch on the upper surface. There are no hairs or tiny glands on the lower surface of the leaves. A paper-like ocrea (sheath) has stiff bristly hairs.

 

Damage

 

Occurence

Crops

  • Barley
  • Canola
  • Carrots
  • Lentils
  • Oats
  • Field Peas
  • Potatoes
  • Pulses
  • Soybeans
  • Tomatoes
  • Wheat

Control

Chemical Control

Products that control

  • Buctril M
  • Liberty 150
  • Liberty 200
  • Nortron SC
  • Option 1.2.3.
  • Pardner
  • Sencor
  • Thumper
  • Unity
  • Converge
  • Betamix B
  • Vios G3

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