Thorn apple, Stinkblaar

Thorn apple, Stinkblaar (English)

Datura stramonium(Botanical) , Chowa(Shona) , Gagu(Ndebele)

Description

Thorn apple or Stinkblaar is a smelling, bushy and erect annual herbaceous weed, which can grow up to 2 m tall. Its roots may be shallow and extensively branched, but in some soils a stout, branched peg-like taproot with extensive stringy lateral roots can develop. It has purplish stems and the leaves produce a nasty smell when crushed. Flowers are borne erect on short peduncles in the axils of branches. The weeds are mainly found in warm-temperate and subtropical regions and on fertile soils. Although they favor regions with plentiful rainfall, they can also survive on sandy pastures. Yield reductions of 56% have been recorded both in maize and cotton due to Thorn apple infestation. The weed can be used to make organic pesticides. Thorn apple is toxic to mammals. Thorn apple seeds can also contaminate maize grain.

Control

None

Control chemicals

Atrazine 50 SC (Atrazine 50%) - Classified green

Chlorimuron-ethyl WG (Chlorimuron Ethyl 25%) - Classified green

Glyphosate 41 SL (Glyphosate 41%) - Classified green

MCPA 40 SL (MCPA 40%) - Classified amber

Bentazone 48 SL (Bentazone 48%) - Classified green

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