Abstract. This plant has no children Legal Status. Irradiation with far-red light for short periods during the early hours of a prechilling period at 10° inhibited subsequent dark germination at 35°. The Plants Database includes the following 49 species of Amaranthus . 2015 Mar;31(3):247-54. doi: 10.1177/0748233712471702. Weed Seed Bank and Seedling Biology Isolated on a white background. Synoniemen: Amarantus retroflexus Familie: Amaranthaceae (Amarantenfamilie). A. retroflexus was known in gardens by 1759, and escapes, of which the earliest on record was in 1853, have been reinforced by introductions with shoddy, bird-seed and soya-bean waste. Where Found. Het geslacht komt met zo'n zestig soorten wijdverspreid voor van gematigde tot tropische streken. Each utricle splits open in the middle to expose a single glossy black to dark brown seed that is 1 to 1.2 mm long and ovate (Virginia Tech Weed Identification Guide, 2005). salicifolius I. M. Johnston Family: Amaranthaceae . A proximate analysis of seed of com- mon pigweed, Amaranthus retroflexus L. Jour. Amaranthus retroflexus komt oorspronkelijk uit N-Amerika maar komt nu ook voor in bijna gans Europa. Amaranthus … Naamgeving (Etymologie): Amaranthus komt van het Griekse a (niet) en marainomai (ik verwelk), omdat de bloemen wel verdrogen, maar niet afvallen. Ind. Habit. ... A plane filled with amaranth seeds, top view, can be used as a background. One of the more important food plants of Native Americans in the past. Papegaaienkruid - Amaranthus retroflexus. Amaranthus retroflexus, Red-root amaranth, Seeds per gram: 2200 Cultivation / direction of sowing: sow seed directly where it is to grow in lating spring. Branch of flowering amaranth at sunny summer day in meadow. Description (diagnostics are in brown). Amaranthus gangeticus (wordt ook wel ‘Elephant Head’ genoemd) Amaranthus tricolor (ook wel Tampala genoemd; En dan zijn er nog flink wat hybriden. They were germinated in lots of 100 in Petri dishes on filter paper moistened to a shiny appearance with tap water. Amaranthus retroflexus, like all amarants, rosette leaves are edible to make boiled soups along with other herbs. Amaranthus retroflexus Red-root amaranth, redroot pigweed, common amaranth, pigweed amaranth, and common tumbleweed. 9. redroot pigweed. Amaranthus retroflexus is an erect, annual plant with a stem that can be unbranched or branched only near the top; it can grow 20 - 150cm tall, occasionally to 200cm[270. Jan Kępczyński, Paweł Sznigir, Response of Amaranthus retroflexus L. seeds to gibberellic acid, ethylene and abscisic acid depending on duration of stratification and burial, Plant Growth Regulation, 10.1007/s10725-012-9774-3, 70, 1, (15-26), (2012). Redroot pigweed (Amaranthus retroflexus) Redroot pigweed seed has a similar lenticular shape, notched hilum and glossy surface as tall water-hemp. Hedlund, T., tJber die Moglichkeit, von der Ausbildung des Weizens in Herbst auf die Winterfestigheit der verschiedenen sorten zu schliessen. Mature Amaranthus retroflexus L. seeds (lot 46) were collected near Beltsville, Maryland, in August, 1966, and held at -10 C in sealed containers. Fall moldboard plowing in plots with high seed populations reduced redroot pigweed emergence the following spring by more than 90 percent (from 3,500 to 250 per 10 square feet), but plowing fields in which seed production had been prevented for six years brought deeply buried seeds to the surface, and thereby increased emergence from 1 to 25 per 10 square feet. 10:529- 530. Eng. Amaranthus tricolor L.. Pertinent Common Names (particularly those used in California; go to GRIN for other common names). Primary Disseminule Type. Frysk: Pappegaaikrûd. This is a much under-utilized weed of cultivated fields and disturbed ground (can be invasive). S druge strane, duljina klijanaca i njihova svježa masa povećale su se s dubinom sjetve.The aim of study was to determine effects of different methods on breaking seed dormancy of redroot pigweed (Amaranthus retroflexus L.), and influence of seed's sowing depth on germination and seedling growth. Vormt rechtopstaande goed vertakte stengels met dikke groenwitte pluimen. Packet(standard): $3.50; 1/8 oz: $4.00; 1/4 oz: $7.50; 1/2 oz: $14.00; 1 oz: $26.00 - 25,000 seeds/oz Phytotoxical effect of Lepidium draba L. extracts on the germination and growth of monocot (Zea mays L.) and dicot (Amaranthus retroflexus L.) seeds Toxicol Ind Health. Selective focus. Common Name(s): red-root amaranth [English] redroot pigweed [English] careless weed [English] rough pigweed [English] redroot amaranth [English] Taxonomic Status: Current Standing: accepted Data Quality Indicators: Record Credibility Rating: retroflexus may be best-suited to systems with moderate tillage, because its seeds are well-adapted to shallow burial. 1918. A single seeded utricle may reach 2 mm in length, wrinkling when dry. circumferentiallySeeds are black to red-brown, lenticular, smooth, shiny, and 1 to 1.3mm long (Hultén 1968, Mosyakin and Robertson Pigweed is the common name for several closely related summer annuals that have become major weeds of vegetable and row crops throughout the United States and much of the world. Characteristics and usage: Edible leaves and seeds Amaranthus retroflexus. The still tender stem, before the inflorescence appears, can be used as asparagus. Tall water-hemp seeds do not have a rim and are reddish-brown. Sorghum leaf and shoot extracts in Français: Amarante réfléchie. Spermatophyta – Seed plants Division: Magnoliophyta – Flowering plants Class: Magnoliopsida – Dicotyledons Subclass: Caryophyllidae Order: Caryophyllales ... Amaranthus retroflexus L. – redroot amaranth Subordinate Taxa. Amaranthus retroflexus var. Amaranthus retroflexus ← → Other Common Names: careless weed. Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms). Plants that resemble most other pigweed species but with pairs of spines at the base of the leaf petiole and the central stem. (Amaranthus retroflexus): An erect summer annual that may reach 6 1/2 feet in height. Freshly harvested, dormant seeds of Amaranthus retroflexus were unable to germinate at 25 and 35 °C. En ‘Klaroen’ is bijvoorbeeld ook een Amaranthus, en ook ‘Bayam’, en ‘Calaloo’ (hoewel ‘Callaloo’ vaker wordt gebruikt). As an obligate initial community species, rough pigweed needs bare, disturbed sites in order to establish [ … De grote, elliptische bladeren zijn groen, iets behaard aan de onderkant en eetbaar. Abstract. Amaranthus retroflexus var. Family: Amaranthaceae Common Names: Amaranth, Pigweed Description: Amaranth grows in disturbed soil from dry to moist climates. Tot het geslacht behoren verscheidene sier- en voedselgewassen. Seed Fruit. salicifolius I.M. Am. Amarant (Amaranthus) is een geslacht van eenjarige, kruidachtige planten uit de amarantenfamilie (Amaranthaceae). Zaait zich spontaan uit. products new description - Similar in all uses as Amaranthus hypchondriacus; this species has black seeds. Redroot pigweed seed is larger by up to 0.5 mm, has a pronounced rim, and is black. Amaranthus hybridus: sepals of fruit-bearing flowers acute at apex and inflorescence with many, short, croweded, thick branches of flowers (vs. A. retroflexus, with sepals of fruit-bearing flowers rounded to truncate at apex and inflorescence with few to many, slender, lax branches of flowers). Invasiveness Rank: ... seed each and tops that open . redroot pigweed, rough pigweed. It grows on every continent on … rough pigweed. To release their dormancy at the above temperatures, the seeds were stratified at a constant temperature (4 °C) under laboratory conditions or at fluctuating temperatures in soil or by outdoor burial in soil. Amaranthus retroflexus (redroot pigweed) is another small-seeded summer annual dicotyledon species that has responded inconsistently to changes in tillage systems. Dunn (1905) described it as `now very common in most parts of Europe, including England`, but later changes in distribution are unclear. Most pigweeds are tall, erect-to-bushy plants with simple, oval- to diamond-shaped, alternate leaves, and dense inflorescences (flower clusters) comprised of many small, greenish flowers. Dark germination of Amaranthus retroflexus L. seeds at 35° increased after several days of prechilling at 20° or lower. Groeit langs waterkanten, bermen, akkers, braakliggende gronden. Deutsch: Gekrümmter Fuchsschwanz. Epub 2013 Jan 4. It tastes similar to spinach. The results demonstrated that atrazine or tribenuron-methyl had carry-over effects on the F1 generation of A. retroflexus. English: Common Amaranth. Chem. Beautiful bush of amaranth. Amaranthus retroflexus seed germination was decreased by sorghum extracts, and sorghum extract concentration of 20% inhibited seed germination. SPECIES: Amaranthus retroflexus FIRE ECOLOGY OR ADAPTATIONS : Rough pigweed seeds are an important part of the seedbank in many habitats, even when plants are almost absent [ 16 ]. The glossy black seeds each form inside a 2 mm long utricle that splits open at maturity. Amaranthaceae. Papegaaienkruid (Amaranthus retroflexus) is een eenjarige plant uit de amarantenfamilie (Amaranthaceae).De van oorsprong Noord-Amerikaanse soort is een kosmopoliet die inmiddels in alle werelddelen voorkomt, ook in grote delen van Europa.. De plant wordt 20 tot 100 cm hoog en heeft een vrij dikke, gegroefde, dicht behaarde, ruwe, rechtopgaande, aan de voet roodachtige stengel met korte … Amaranthus retroflexus, Red-root amaranth, 10 to 80cm, flower VII to IX, annual, plant community: ruderal, culinary herb, weight of 1000 seeds = 0,45 gram Red-root pigweed (Amaranthus retroflexus) seeds and capsuleOpen New Window Seeds were held in … The shredded seeds can be used as the flour of cereals or mixed together enriching it with protein. seed. Johnst. , T., tJber die Moglichkeit, von der Ausbildung des Weizens in Herbst die... 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