Chenopodium hybridum

Scientific Name Chenopodium hybridum L.
Common Names English: Maple-leaved goosefoot; German: Bastard-Gänsefuß; French: Chénopode hybride; Spanish: Cenizo híbrido
Description Annual, unpleasant-smelling, seed-propagated weed.

Descriptions

Characteristic Features

Very big leaves, coarse-dentated, not mealy covered.

Cotyledons

Long oval, petiolate.

Stems

Hairless, sometimes farinaceous, with spread-apart ramifications in the upper part, up to 100 cm high.

Leaves

Large up to 20 cm (7.87 inch), cordate at the base, triangular, coarsely toothed or lobed, acuminate.

Propagatio Organs

Flowers

Glomerules in paniculiform inflorescence, leafless at the top.

Flowering Period

End of spring - early autumn.

Fruit

One-seeded achene.

Seeds

Dull black, lens-shaped, 1.5 mm (0.059 inch) or more in diameter, and covered with thin tissue that rubs off. Germination in spring.

Viability Of Seeds

Seeds persist more than 10 years in the soil.

Propagation

By seeds. Seeds per plant: 1,000-15,000.

Occurrence

Habitat

Fence rows and waste areas, row crops, ways, gardens.

Soil

Primarily on nitrogen-rich, friable soils in warm regions.

Agricultural Importance

Ch. hybridum causes high yield losses due to strong competition for light, nutrients and water. It requires higher temperature than Chenopodium album.

Control

Integrated Crop Management

Because of persistent seed bank it is important to prevent seed rain.

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