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Climbing dock

Botanical Name Rumex sagittatus
Family Polygonaceae
Origin South Africa

Identification

Low climbing or scrambling herb. Tuberous woody rootstock, stems to 3 m long. Arrow-head shaped leaves 30-80 x 20-60 mm. Spikes of small, attractive yellow-pink flowers Nov-Mar are very distinctive.

Habitats

Coastal areas, road and railway verges, waste lands, near hedges and settled areas. Common and widespread.

Impact to Biota and Ecosystems

Develops into smothering mass among native plants.

Dispersal Routes, Vectors, Infestation Sources

Persistent tubers and creeping rooting stems. Broken roots resprout. Wind dispersed seed.

Management

Management 

Physical Control

Grubbing out roots is very difficult and any root portion broken off will sprout.

Disposal  
Chemical Control

Spray with selected herbicide.

(i) Tordon 2 g granules (Herbicide has long residual life in soil.)

Rate - 2 g per plant. Apply ½ level teaspoon to the crushed centre of each plant.

(ii) Metsulfuron + Penetrant

Rate - Knapsack 5 g Metsulfuron + 10 ml Penetrant/10 litres water.

(iii) Glyphosate + Penetrant

Rate - Handgun 1 litre Glyphosate + 200 ml Penetrant/100 litres water. Knapsack 100 ml Glyphosate + 20 ml Penetrant/10 litres water.

Biological Control

 
Recommended Approach

Develops numerous tubers beneath the soil surface, allowing plant to easily regenerate if the top growth is pulled away. Spray with Glyphosate or Metsulfuron.