Setaria viridis
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Description: Photograph and information on the Green Foxtail, its description, distribution, ecology and economic significance as a weed species.
AgroAtlas - Weeds - Setaria viridis (L.) Beauv. - Green Foxtail. Setaria weinmannii Roem. & Schult. Green Bristle-Grass, Green Pigeongrass. Family Poaceae (=Graminea), genus Setaria Beauv. Plant of 10-50 cm in height, branchy, multicaulis. The root system coronal, well advanced, penetrating into ground to 50 cm. Stalks upright, bare, rough under inflorescence. Leaf plates green, 2-12 mm in width; ligule ciliated. Inflorescence cylindrical, dense, 2-12 cm in length. Spikelets 2.5 mm in length, surrounded by long green or violet setae exceeding spikelets by 2 or 3 times. Shoots appear in April or May. Seeds sprout from depth of 10 cm. Blossoming and fructifying from July. Reproduction by seeds. One plant produces to 10-12 thousand seeds. The weight of 1000 seeds is less than 1 g. Seeds are spread by water, with manure, bird excrements, and to a lesser extent by wind. Seeds remain viable for 3 or 4 years, sprouting at temperatures of 15 to 20œC.
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| Page title: | AgroAtlas - Weeds - Setaria viridis (L.) Beauv. - Green Foxtail. |
| 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 14:21:36 MSK |