Cuscuta campestris
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Scan day: 05 March 2014 UTC
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Description: Photograph, description, distribution, ecology and economic significance of field dodder.
AgroAtlas - Weeds - Cuscuta campestris Yunck. - Field Dodder Family Cuscutaceae, genus Cuscuta L. It is an annual stem parasitic plant. Dodder has no normal roots and leaves. The stems of C. campestris entwine themselves around host-plants, attached by gaustoria. Stems are thread-like, yellow or pinkish-yellow, to 0.8 mm in diameter, branchy. Flowers are white or greenish, aggregated in groups of 3-8 in spreading inflorescences. Corolla is 2-2.5 mm long, bell-shaped. Calyx is 1.5-2 mm long, hemispherical. Fruit is a light-brown, 2-4-seeded boll. Seeds are oval, light-brown or brownish, to 1.25-2.5 mm long, 1-1.5 mm wide. The seeds germinate under relatively high temperatures (In nine days at +13 to 14œC, in 3 days at +20 to 30œC). Mass of 1000 seeds is 1-1.25 g. The seeds do not lose their germinating capacity in the soil for a period of 3 years. Passing through the digestive system of animals, they do not lose their germinating capacity and keep their vitality for 10 years. Productivity can reach 100,000 seeds. Flowering occurs in July and August.
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| Page title: | AgroAtlas - Weeds - Cuscuta campestris Yunck. - Field Dodder |
| Keywords: | interactive atlas map economic plant distribution area vegetation diseases pest weed USSR agriculture Russia geography GIS NIS biology photo nature geographic information system handbook ecological maps research investigation pictures download description |
| Description: | description |
| IP-address: | 195.70.197.2 |
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| Date | created: 2005.05.04 Last updated on 2014.03.05 08:31:34 MSK |