Chenopodium hybridum
Scientific Name | Chenopodium hybridum L. |
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Common Names | English: Maple-leaved goosefoot; German: Bastard-Gänsefuß; French: Chénopode hybride; Spanish: Cenizo híbrido |
Description | Annual, unpleasant-smelling, seed-propagated weed. |
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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 tall.
Leaves
Large up to 20 cm (7.87 inch), cordate at the base, triangular, coarsely toothed or lobed, acuminate.
Propagation 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. Compared with Chenopodium album it prefers higher temperatures.
Control
Useful non-chemical contribution to Integrated Weed Management
Because of its persistence in the seed bank it is important to prevent seed rain.
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