Black Nightshade

Black Nightshade (English)

Solanum nigrum(Botanical) , Musungusungu(Shona) , Umsobo(Ndebele)

Description

Black Nightshade is an annual or sometimes biennial herbaceous weed, which can reach up to 1.0 m in height. Its stems are cylindrical, green to purplish, but vary from prostrate or erect and are branched. The leaves are alternate, ovate and are carried on short stalks, which are 2-8 cm long, and vary between plants from smooth-edged to shallowly lobed. They are opaque, matt and dark green both above and below, and either smooth or finely hairy. Produces small, white and star- shaped flowers. The weed thrives well in arable lands with fertile soils, especially those high in nitrogen and phosphorus content. It competes aggressively for resources at the seedling stage of most horticultural crops and it is also highly allelopathic. The plant and its fruits are toxic to humans and livestock.

Control

None

Control chemicals

Atrazine 50 SC (Atrazine 50%) - Classified green

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

Dicamba 48 SL (Dicamba 480%) - Classified red

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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