A proximate analysis of seed of com- mon pigweed, Amaranthus retroflexus L. Jour. Tall water-hemp seeds do not have a rim and are reddish-brown. Branch of flowering amaranth at sunny summer day in meadow. Sorghum leaf and shoot extracts in Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms). Pertinent Common Names (particularly those used in California; go to GRIN for other common names). The results demonstrated that atrazine or tribenuron-methyl had carry-over effects on the F1 generation of A. retroflexus. 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. Papegaaienkruid - Amaranthus retroflexus. Amarant (Amaranthus) is een geslacht van eenjarige, kruidachtige planten uit de amarantenfamilie (Amaranthaceae). 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. Spermatophyta – Seed plants Division: Magnoliophyta – Flowering plants Class: Magnoliopsida – Dicotyledons Subclass: Caryophyllidae Order: Caryophyllales ... Amaranthus retroflexus L. – redroot amaranth Subordinate Taxa. Amaranthus tricolor L.. As an obligate initial community species, rough pigweed needs bare, disturbed sites in order to establish [ … Français: Amarante réfléchie. Amaranthus retroflexus. Het geslacht komt met zo'n zestig soorten wijdverspreid voor van gematigde tot tropische streken. circumferentiallySeeds are black to red-brown, lenticular, smooth, shiny, and 1 to 1.3mm long (Hultén 1968, Mosyakin and Robertson En ‘Klaroen’ is bijvoorbeeld ook een Amaranthus, en ook ‘Bayam’, en ‘Calaloo’ (hoewel ‘Callaloo’ vaker wordt gebruikt). Selective focus. This is a much under-utilized weed of cultivated fields and disturbed ground (can be invasive). Abstract. Primary Disseminule Type. Amaranthus retroflexus Red-root amaranth, redroot pigweed, common amaranth, pigweed amaranth, and common tumbleweed. 1918. It grows on every continent on … Where Found. 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. It tastes similar to spinach. The shredded seeds can be used as the flour of cereals or mixed together enriching it with protein. The glossy black seeds each form inside a 2 mm long utricle that splits open at maturity. retroflexus may be best-suited to systems with moderate tillage, because its seeds are well-adapted to shallow burial. Ind. Tot het geslacht behoren verscheidene sier- en voedselgewassen. Chem. Mature Amaranthus retroflexus L. seeds (lot 46) were collected near Beltsville, Maryland, in August, 1966, and held at -10 C in sealed containers. Irradiation with far-red light for short periods during the early hours of a prechilling period at 10° inhibited subsequent dark germination at 35°. 10:529- 530. Hedlund, T., tJber die Moglichkeit, von der Ausbildung des Weizens in Herbst auf die Winterfestigheit der verschiedenen sorten zu schliessen. Dark germination of Amaranthus retroflexus L. seeds at 35° increased after several days of prechilling at 20° or lower. 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. 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). A single seeded utricle may reach 2 mm in length, wrinkling when dry. 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. The still tender stem, before the inflorescence appears, can be used as asparagus. Amaranthus retroflexus (redroot pigweed) is another small-seeded summer annual dicotyledon species that has responded inconsistently to changes in tillage systems. products new description - Similar in all uses as Amaranthus hypchondriacus; this species has black seeds. 9. Seeds were held in … Red-root pigweed (Amaranthus retroflexus) seeds and capsuleOpen New Window 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). Amaranthus retroflexus, Red-root amaranth, Seeds per gram: 2200 Cultivation / direction of sowing: sow seed directly where it is to grow in lating spring. Synoniemen: Amarantus retroflexus Familie: Amaranthaceae (Amarantenfamilie). (Amaranthus retroflexus): An erect summer annual that may reach 6 1/2 feet in height. Deutsch: Gekrümmter Fuchsschwanz. Amaranthus retroflexus komt oorspronkelijk uit N-Amerika maar komt nu ook voor in bijna gans Europa. Amaranthus retroflexus, like all amarants, rosette leaves are edible to make boiled soups along with other herbs. English: Common Amaranth. Seed Fruit. 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. Redroot pigweed seed is larger by up to 0.5 mm, has a pronounced rim, and is black. 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 Am. This plant has no children Legal Status. salicifolius I. M. Johnston Family: Amaranthaceae . Groeit langs waterkanten, bermen, akkers, braakliggende gronden. Weed Seed Bank and Seedling Biology Amaranthus … The Plants Database includes the following 49 species of Amaranthus . Naamgeving (Etymologie): Amaranthus komt van het Griekse a (niet) en marainomai (ik verwelk), omdat de bloemen wel verdrogen, maar niet afvallen. Johnst. Dunn (1905) described it as `now very common in most parts of Europe, including England`, but later changes in distribution are unclear. rough pigweed. 2015 Mar;31(3):247-54. doi: 10.1177/0748233712471702. De grote, elliptische bladeren zijn groen, iets behaard aan de onderkant en eetbaar. Description (diagnostics are in brown). Abstract. Vormt rechtopstaande goed vertakte stengels met dikke groenwitte pluimen. salicifolius I.M. 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: Zaait zich spontaan uit. Beautiful bush of amaranth. 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. Frysk: Pappegaaikrûd. Amaranthus retroflexus ← → Other Common Names: careless weed. 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 Invasiveness Rank: ... seed each and tops that open . Amaranthus retroflexus var. 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 … Epub 2013 Jan 4. Amaranthus retroflexus var. redroot pigweed, rough pigweed. Amaranthus gangeticus (wordt ook wel ‘Elephant Head’ genoemd) Amaranthus tricolor (ook wel Tampala genoemd; En dan zijn er nog flink wat hybriden. Habit. Eng. Freshly harvested, dormant seeds of Amaranthus retroflexus were unable to germinate at 25 and 35 °C. redroot pigweed. Family: Amaranthaceae Common Names: Amaranth, Pigweed Description: Amaranth grows in disturbed soil from dry to moist climates. 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. Redroot pigweed (Amaranthus retroflexus) Redroot pigweed seed has a similar lenticular shape, notched hilum and glossy surface as tall water-hemp. They were germinated in lots of 100 in Petri dishes on filter paper moistened to a shiny appearance with tap water. 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 ]. Amaranthus retroflexus seed germination was decreased by sorghum extracts, and sorghum extract concentration of 20% inhibited seed germination. Characteristics and usage: Edible leaves and seeds 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). Isolated on a white background. Amaranthaceae. seed. Plants that resemble most other pigweed species but with pairs of spines at the base of the leaf petiole and the central stem. One of the more important food plants of Native Americans in the past. ... A plane filled with amaranth seeds, top view, can be used as a background. Disturbed ground ( can be used as asparagus as the flour of cereals or mixed together enriching it protein. T., tJber die Moglichkeit, von der Ausbildung des Weizens in Herbst auf die der! Amaranth seeds, top view, can be used as the flour cereals. 25 and 35 °C 6 1/2 feet in height far-red light for periods! 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