Declared plant in Western Australia

African rue (Peganum harmala)

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See also: Control Method | Weed description | Declared plants list

(Locality Code: C= City; S=Shire; T=Town)

Category: P1, P2

Location: for the whole of the State

Control Codes and Landholder Obligations

REQUIREMENTS

Prohibits movement

The movement of plants or their seeds is prohibited within the State.

This prohibits the movement of contaminated machinery and produce including livestock and fodder.

REQUIREMENTS

Aim is to eradicate infestation

Treat all plants to destroy and prevent propagation each year until no plants remain. The infested area must be managed in such a way that prevents the spread of seed or plant parts on or in livestock, fodder, grain, vehicles and/or machinery.

Control Method

Recommended herbicides

:

Glyphosate
Metsulfuron

Herbicide

:

Glyphosate
(various trade names - AVPMA site)

Active ingredient and Group

:

Glyphosate 360 g/L

Glyphosate 450g/L           (Group M)

Glyphosate 540g/L

Other concentrations of glyphosate available

Rate of product per 10L

:

Glyphosate 360 g/L   100 mL

Glyphosate 450g/L      80 mL

Glyphosate 540g/L     65 mL

Adjust rates for other concentrations of glyphosate

Time of application

:

Apply to foliage at bud stage

Wetting Agent

Non ionic @ 1mL/L of water

More information

:

Repeat applications are necessary. There are other formulations available and if using these, adjust rates.

And other control measures

:

Tebuthiuron also known to be active on the plant

Herbicide

:

Metsulfuron
(various trade names - AVPMA site)

Active ingredient and Group

:

Metsulfuron methyl 600 g/kg (Group B)

Rate of product per 10 L

:

1 g/10 L water

Time of application

:

Actively growing plants

Wetting Agent

Non ionic @ 10 mL/10 L water or Pulse® @ 20 mL/10 L water

Remarks

:

Spot spraying treatment

More information

:

Avoid spraying non target plants

Weed Description

Family: Zygophyllaceae

Form : Shrub – Perennial

Status: Not present in WA

(click to view image)

African rue is a vigorous summer-growing shrubby plant with a persistent root system. It is very drought hardy. It reproduces from seeds and by suckering from the extensive root system. It is a native of the Mediterranean region from Spain to North Africa and as far east as India. It has become naturalised in North America, parts of New South Wales and South Australia.

Stems: Shrub with stiff branched stems, from 15 to 60 cm high.

Leaves: It has deeply divided bright green succulent leaves arranged alternately on the stems.

Flowers: White flowers about 2.5 cm in diameter borne singly amongst the leaves.

Fruit: Flowers into fruits consisting of a three chambered capsule opening at the top. Each chamber contains many seeds.

Other relevant information related to this topic:

· Quarantine WA

· Permitted and quarantine species list

· Permit for minor off-label-use of a registered agvet chemical product
(Permit number – per9655)

· Off-label permit (olp) for use of a registered agvet chemical product
(Permit number - per4590)