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Black Nightshade

Very common throughout New Zealand, black nightshade (Solanum nigrum) is a problematic weed in horticulture, arable and beet crops. Often very numerous and quick growing, black nightshade can be a serious competitor to crops, including fodder beet.

Black Nightshade

In fodder beet is readily controlled as a seedling up to 3-4 leaf stage.

COTYLEDONS:

Egg shaped

Broad - oval with pointed apex

Base tapered, hairy and stalked

LEAVES - Seedling/Young Plant:

Oval to egg shaped, sparsely haired

Leaves alternate on stems with veins radiating outward


When mature black nightshade produces strong, multiple stemmed and spreading plants up to 750 mm tall.

Leaves are dark green, coarsely toothed and pointed at the tips. Flowers are white with five petals and yellow anthers, which produce distinctive green round berries (7-10 mm) that ripen to black.

Black Nightshade

For Fodder Beet

For Wheat