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Letteratura scientifica selezionata sul tema "Amaranthus retroflexus"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Amaranthus retroflexus"

1

Mitich, Larry W. "Redroot Pigweed (Amaranthus retroflexus)". Weed Technology 11, n. 1 (marzo 1997): 199–202. http://dx.doi.org/10.1017/s0890037x00041579.

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“… To the ground, With solemn adoration, down they cast Their crowns, inwove with amaranth and gold. Immortal amaranth, a flower which once In Paradise, fast by the tree of life, Began to bloom.”–John Milton (1608–1676), Paradise LostRedroot pigweed (Amaranthus retroflexus L.), one of the New World's major weeds, was described in 1753 by Carolus Linnaeus in Species Plantarum. Over three decades later (1789), the genu wa placed in Amaranthaceae by Antoine Laurent de Jussieu (1748–1836) (Britton and Brown 1898). Amaranthaceae belongs to Centrospermae, a group of familie that contain betalain pigments instead of the anthocyanins found in most other angiosperms; it is closely related to Chenopodiaceae (Heywood 1993).

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2

Božić, Dragana. "Amaranthus retroflexus L.: Redroot pigweed". Acta herbologica 27, n. 1 (2018): 5–19. http://dx.doi.org/10.5937/actaherb1801005b.

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3

Moran, Patrick J., e Allan T. Showler. "Phomopsis amaranthicola and Microsphaeropsis amaranthi Symptoms on Amaranthus spp. Under South Texas Conditions". Plant Disease 91, n. 12 (dicembre 2007): 1638–46. http://dx.doi.org/10.1094/pdis-91-12-1638.

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Temperature, humidity, weed species and age, and inducible responses in the host are factors that could limit the efficacy of fungal bioherbicides. The influences of these factors on the efficacy of the fungal bioherbicides Phomopsis amaranthicola and Microsphaeropsis amaranthi against Palmer amaranth (Amaranthus palmeri), smooth pigweed (Amaranthus hybridus), and redroot pigweed (Amaranthus retroflexus) were investigated in greenhouse and field studies under south Texas conditions. Despite plants being given an initial dew period, the bioherbicides, applied individually or in combination, did not cause mortality on any pigweed species in greenhouse or field environments. In greenhouse experiments, fewer than 5% of the leaves in six- to eight-leaf A. palmeri plants developed necrotic lesions within 2 weeks after bioherbicide treatment and only 8% or fewer of the plants developed stem lesions. Disease incidence was significantly higher in A. hybridus and A. retroflexus, with as much as 94% of leaves developing necrosis and 95% of the plants having stem lesions. New leaf production was reduced by biobherbicide treatment in A. hybridus. Combined-pathogen inoculation caused leaf and stem lesions on mature (13 to 36 leaves per plant) A. hybridus and A. retroflexus. Summer and fall field inoculations with M. amaranthi on A. hybridus and A. palmeri produced disease incidence levels similar to or higher than those in greenhouse tests. Infection of A. palmeri by P. amaranthicola increased the peroxidase activity level nearly twofold compared with the controls. Neither pathogen influenced leaf free amino acid content. The high temperatures and low humidity of south Texas and interspecific variation in resistance, possibly linked to peroxidase induction, limited the efficacy of these bioherbicides.

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Khan, Asad M., Ahmadreza Mobli, Jeff A. Werth e Bhagirath S. Chauhan. "Germination and seed persistence of Amaranthus retroflexus and Amaranthus viridis: Two emerging weeds in Australian cotton and other summer crops". PLOS ONE 17, n. 2 (9 febbraio 2022): e0263798. http://dx.doi.org/10.1371/journal.pone.0263798.

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Redroot pigweed (Amaranthus retroflexus L.) and slender amaranth (Amaranthus viridis L.) are becoming problematic weeds in summer crops, including cotton in Australia. A series of laboratory and field experiments were performed to examine the germination ecology, and seed persistence of two populations of A. retroflexus and A. viridis collected from the Goondiwindi and Gatton regions of Australia. Both populations of A. retroflexus and A. viridis behaved similarly to different environmental conditions. Initial dormancy was observed in fresh seeds of both species; however, germination reached maximum after an after-ripening period of two months at room temperature. Light was not a mandatory prerequisite for germination of both species as they could germinate under complete darkness. Although both species showed very low germination at the alternating day/night temperature of 15/5 C, these species germinated more than 40% between ranges of 25/15 C to 35/25 C. Maximum germination of A. retroflexus (93%) and A. viridis (86%) was observed at 35/25 C and 30/20, respectively. Germination of A. retroflexus and A. viridis was completely inhibited at osmotic potentials of -1.0 and -0.6 MPa, respectively. No germination was observed in both species at the sodium chloride concentration of 200 mM. A. retroflexus seedling emergence (87%) was maximum from the seeds buried at 1 cm while the maximum germination of A. viridis (72%) was observed at the soil surface. No seedling emergence was observed from a burial depth of 8 cm for both species. In both species, seed persistence increased with increasing burial depth. At 24 months after seed placement, seed depletion ranged from 75% (10 cm depth) to 94% (soil surface) for A. retroflexus, and ranged from 79% to 94% for A. viridis, respectively. Information gained from this study will contribute to an integrated control programs for A. retroflexus and A. viridis.

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Qian, Guangtao, Zhicai Wang, Lei Zhang, Fangfei Xu, Baohui Wang, Dandan Li e Yanping Chen. "Chemical Compositions of Amaranthus retroflexus". Chemistry of Natural Compounds 52, n. 6 (24 ottobre 2016): 982–85. http://dx.doi.org/10.1007/s10600-016-1841-y.

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McNaughton, Kristen E., Jocelyne Letarte, Elizabeth A. Lee e François J. Tardif. "Mutations inALSconfer herbicide resistance in redroot pigweed (Amaranthus retroflexus) and Powell amaranth (Amaranthus powellii)". Weed Science 53, n. 1 (gennaio 2005): 17–22. http://dx.doi.org/10.1614/ws-04-109.

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Cagáň, Ľ., P. Tóth e M. Tóthová. "Population dynamics of Chaetocnema tibialis Illiger and Phyllotreta vittula (Redtenbacher) on the weed Amaranthus retroflexus L. and cultivated Amaranthus caudatus L." Plant Protection Science 42, No. 2 (8 febbraio 2010): 72–80. http://dx.doi.org/10.17221/2696-pps.

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In 1995–1997, the population dynamics of the flea beetles <i>Chaetocnema tibialis and <i>Phyllotreta vittula</i>, associated with <i>Amaranthus retroflexus</i> (wild species) and <i>Amaranthus caudatus</i> (cultivated species), were studied at the locality Nitra-Malanta (48°19'N, 18°09'E) in south-western Slovakia. On both plant species, the number of <i>C. tibialis</i> adults was usually very low until the beginning of July. During July the number of <i>C. tibialis</i> increased, but sooner on cultivated amaranth. An increased number of <i>C. tibialis</i> adults was observed on both amaranth species until the middle of September. The results showed that amaranth plants are a very important reservoir of <i>C. tibialis</i> during summer. <i>P. vittula</i> was a common flea beetle on amaranth during the whole summer, but its numbers never exceeded more than 10 adults per 25 plants. Low temperatures in winter had a negative effect on populations of <i>C. tibialis</i> on both amaranth species and also on populations of <i>P. vittula</i> on <i>A. retroflexus</i>. The lower the precipitation was in July, the higher were the populations of <i>C. tibialis</i> on both amaranth species and the populations of <i>P. vittula</i> on <i>A. retroflexus</i>.

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Fiorentino, Antonio, Marina DellaGreca, Brigida D'Abrosca, Annunziata Golino, Severina Pacifico, Angelina Izzo e Pietro Monaco. "Unusual sesquiterpene glucosides from Amaranthus retroflexus". Tetrahedron 62, n. 38 (settembre 2006): 8952–58. http://dx.doi.org/10.1016/j.tet.2006.07.017.

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PIRZAD, Alireza, Mousa JAMALI, Mohammad Amin ZAREH e Fahime SHOKRANI. "Allelopathic Effect of Powdered Russian Knapweed (Acroptilon repens L.) on the Growth Parameters of Redroot Amaranth (Amaranthus retroflexus L.)". Notulae Scientia Biologicae 5, n. 3 (1 agosto 2013): 360–63. http://dx.doi.org/10.15835/nsb539093.

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To evaluate probable allelopathic effect of different parts of Russian knapweed (Acroptilon repens L.) on the growth of redroot amaranth (Amaranthus retroflexus L.) seedling, a factorial experiment was conducted based on randomized complete block design with three replications at the Faculty of Agriculture, Urmia University in 2012 (Iran). In this experiment, treatments were different parts of Russian knapweed (aerial part, flower and root) in different amounts (1, 2, 3 and 4 g/pot). Pots included 300 g of soil. Results showed the significant effect of Russian knapweed plant parts on the seedling emergence percent, root length, ratio of root/shoot length, seedling length, seedling fresh weight, and the significant effect of plant material amounts on the seedling emergence percent, seedling fresh weight and seedling dry weight. Interaction effect between plant material type and amount on the shoot length, root length, ratio of root/shoot length, seedling length was significant, too. The longest shoot (3.51 cm), root (1.75 cm), the highest ratio of root/shoot length (0.49) and seedling length (5.26 cm) belonged to control treatment. The highest seedling emergence percent of Amaranthus retroflexus (34.73%) and seedling fresh weight (0.176 g) were occurred at pots treated by Russian knapweed aerial part. The lowest seedling emergence percent (21.94 %) and seedling fresh weight (0.111 g) were obtained from application of Acroptilon repens powdered root. The maximum seedling dry (0.0126 g) and fresh (0.177 g) weight of Amaranthus retroflexus were obtained from control treatment.

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Ruiz Hernández, Víctor Cuauhtémoc, Juan Porfirio Legaría Solano, Jaime Sahagún Castellanos e Micaela De la O Olan. "Variabilidad genética en algunas especies cultivadas y silvestres de amaranto". Revista Mexicana de Ciencias Agrícolas 9, n. 2 (11 aprile 2018): 405–16. http://dx.doi.org/10.29312/remexca.v9i2.1081.

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El género Amaranthus se distribuye ampliamente en América. El estudio de la diversidad genética dentro y entre las poblaciones y especies de Amaranthus es importante para planear estrategias de su conservación y la continuidad. En el presente estudio, se evaluó mediante marcadores moleculares tipo ISSR 2 especies cultivadas (A. hypochondriacus y A. cruentus) y 5 especies silvestres (A. hybridus, A. retroflexus, A. powellii, A. palmeri y A. spinosus). Se analizaron 154 loci, encontrándose que el porcentaje de polimorfismo promedio para los iniciadores fue de 97.9%. Los amarantos cultivados mostraron estar genéticamente muy relacionados entre sí y con sus posibles progenitores silvestres (A. hybridus y A. powellii). Dentro de los materiales silvestres los que estuvieron más cercanos fueron A. hybridus, A. powellii y A. retroflexus, mientras que A. spinosus y A. palmeri fueron los más alejados. La mayor parte de la diversidad genética detectable se encontró entre las especies y las poblaciones, mientras que la menor parte estuvo dentro de las mismas.

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Più fonti

Tesi sul tema "Amaranthus retroflexus"

1

Ferguson, Gabrielle Mary. "ALS-inhibitor resistance in populations of Amaranthus powellii S. Wats. and Amaranthus retroflexus L". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0023/MQ51062.pdf.

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2

Ghorbani, Reza. "Biological control of the weed Amaranthus retroflexus with fungal pathogens". Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602046.

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Amaranthus retroflexus is a common annual weed world-wide and causes substantial yield reduction in many crops. In this research program three main objectives were fulfilled: firstly the effect of certain environmental parameters on germination and emergence of A. retroflexus collected from Iran were determined; secondly, potential pathogen strains as biological control agents for A. retroflexus were identified; and finally the activity of a candidate biological control agent against the target weed under various environmental conditions and with different formulation were evaluated. Results of several experiments showed that under controlled conditions A. retroflexus seeds are able to germinate at a wide range of temperatures, water potentials, burial depths of seeds and soil types. However, the degree of success of germination and establishment of this plant were influenced by temperature, water potential, planting depth, soil type and interactions between these factors. A. retroflexus growth as favoured by high temperature (25-35C), high water availability (0 to -1 bar), shallow burial (0.5-1 cm) and lighter soil types. The objective of the second section of this project was to find a potential pathogen as a biological control agent for A. retroflexus. Initially a culture collection of Amaranthus pathogens, collected throughout Europe and Iran, were screened. The final results in pathogenicity tests showed that A. altemata strains 423, 780 and 930 and Aposphaeria amaranthi showed the greatest pathogenicity against A. retroflexus. The fungi of A. alternata strain 423 and Aposphaeria strain were able to control 100% of A. retroflexus plants under certain environmental conditions. Ascochyta caulina and an unidentified fungal strain 5-1 (collected from Iran) caused less disease development. These results clearly indicated the potential of A. alternata and Aposphaeria amaranthi as mycoherbicides. A. alternata strain 423 was shown to be more pathogenic than strains 780 and 930. A spore concentration of 107 spores ml-1 without application of oil emulsion or 106 spores ml-1 with oil formulation was required for good disease development. A. alternata species demonstrates potential for controlling A. retroflexus only when 16 hours of high humidity/leaf wetness were provided after spore application. Also for maximum activity of A. alternata, it had to be applied at 2-4-leaf growth stages of the weed seedlings. The optimum dew temperatures for 100% mortality were between 20 and 25C. The post inoculum temperature for giving maximum disease development was between 20 and 30C. Finally, for maximum control of A. retroflexus by A. alternata there should be no delay in the occurrence of dew after inoculation. Formulation of A. alternata spores in the rape-seed oil emulsion significantly increased disease development and decreased plant vigour and dry weight of A. retroflexus. This formulation caused a reduction in minimum spore density required in the spore suspensions and the length of dew period required for disease development. However, formulations of A. alternata, need to be further improved to reduce the requirement for a long dew period. Application of granules at emergence stage gave better control of A. retroflexus plants than application at the 4-leaf stage or application simultaneously with planting. Because A. alternata granule applications needed to be applied at very high levels, it is unlikely to be economically liable. Both formulations of Alternaria (spore suspensions (liquid) and granule (solid)) caused no serious infection in sugar-beet, maize and wheat plants.

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Omami, Elizabeth Nabwile, of Western Sydney Hawkesbury University, of Agriculture Horticulture and Social Ecology Faculty e School of Horticulture. "Amaranthus retroflexus seed dormancy and germination responses to environmental factors and chemical stimulants". THESIS_FAHSE_HOR_Omami_E.xml, 1993. http://handle.uws.edu.au:8081/1959.7/66.

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A large number of weed seeds in the soil persist because of seed dormancy, and depletion of the seed bank through manipulation of seed dormancy has been suggested as one of the goals in weed control. This study was designed to investigate some of the factors which control dormancy and germination in Amaranthus retroflexus seeds. Germination studies were conducted at different temperatures, and either in continuous white light or in the dark. Higher temperatures increased germination and, although light interacted with temperature, its effect on germination varied with the temperature. In an attempt to determine changes in dormancy during dry storage, two lots of seeds were stored dry at different temperatures. Loss in dormancy increased with an increase in storage temperature and duration, but the time required for maximum germination varied according to the seedlot. Seeds germinated to higher percentages at high temperatures, but storage at higher temperatures and for prolonged duration resulted in seeds gaining the ability to germinate at lower temperatures. Changes in dormancy under field conditions were also examined. Seeds were buried at different depths and for different durations and they all lost viability with time, but this loss was greater in surface-sown and shallowly buried seeds. Dormancy was broken during cold periods and induced as warmer periods progressed. The effects of chemical stimulants on dormancy and germination were investigated. The response of seeds to ethephon and nitrate were assessed at different temperatures either at continuous white light or in the dark. Germination increased with the concentration of the chemicals, and a greater response was observed at lower temperatures. The response to light varied depending on temperature
Master of Science (Hons)

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Nurse, Robert Edward. "Predispersal weed seed predation in soybean fields (Amaranthus retroflexus, Chenopodium album, Coleophora lineapuvella)". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0019/MQ55699.pdf.

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Omami, Elizabeth Nabwile. "Amaranthus retroflexus seed dormancy and germination responses to environmental factors and chemical stimulants". Thesis, [S.l. : s.n.], 1993. http://handle.uws.edu.au:8081/1959.7/66.

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A large number of weed seeds in the soil persist because of seed dormancy, and depletion of the seed bank through manipulation of seed dormancy has been suggested as one of the goals in weed control. This study was designed to investigate some of the factors which control dormancy and germination in Amaranthus retroflexus seeds. Germination studies were conducted at different temperatures, and either in continuous white light or in the dark. Higher temperatures increased germination and, although light interacted with temperature, its effect on germination varied with the temperature. In an attempt to determine changes in dormancy during dry storage, two lots of seeds were stored dry at different temperatures. Loss in dormancy increased with an increase in storage temperature and duration, but the time required for maximum germination varied according to the seedlot. Seeds germinated to higher percentages at high temperatures, but storage at higher temperatures and for prolonged duration resulted in seeds gaining the ability to germinate at lower temperatures. Changes in dormancy under field conditions were also examined. Seeds were buried at different depths and for different durations and they all lost viability with time, but this loss was greater in surface-sown and shallowly buried seeds. Dormancy was broken during cold periods and induced as warmer periods progressed. The effects of chemical stimulants on dormancy and germination were investigated. The response of seeds to ethephon and nitrate were assessed at different temperatures either at continuous white light or in the dark. Germination increased with the concentration of the chemicals, and a greater response was observed at lower temperatures. The response to light varied depending on temperature

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Omami, Elizabeth Nabwile. "Amaranthus retroflexus seed dormancy and germination responses to environmental factors and chemical stimulants /". [S.l. : s.n.], 1993. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030603.091907/index.html.

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Chin, Alice. "Evaluation of Macrophoma sp. as a potential mycoherbicide for the control of Amaranthus retroflexus L. (redroot pigweed)". Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23876.

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Amaranthus retroflexus L. (redroot pigweed) is a major weed of many crops in North America including corn, soybean, and potato. It can be readily controlled by chemical and cultural methods. However, some populations of A. retroflexus have developed resistance against the application of triazine herbicides. Biololical control could be an alternative method to control this weed species. In 1990, a Macrophoma sp. causing foliar lesions was isolated from redroot pigweed and the potential of this plant pathogenic fungus as a mycoherbicide was evaluated. Large numbers of infective propagules were produced in solid substrate fermentation with chickpeas. When inoculated with 10$ sp8$ or 10$ sp9$ conidia m$ sp{-2}$, plants at the cotyledon to 2-leaf stage showed the most severe damage. Disease developed over a wide range of dew period durations (6 hr to 24 hr) and temperature regimes (14 C to 26 C), and the most rapid and destructive disease development occurred following a 24-hr dew period at 18 C. In controlled environment studies, this Macrophoma sp. was pathogenic to the genus Amaranthus and the closely related genus Celosia.

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Begna, Sultan Hussein. "Agronomic and physiological aspects of competition for light between corn hybrids differing in canopy architecture and weeds". Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=35572.

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The problems associated with short growing seasons has led to the development of leafy-reduced stature (LRS) corn hybrids. These hybrids have more leaf area above the ear, more rapid leaf area development, shorter stature, earlier maturity, and better responses to high plant populations and narrow spacings than conventional hybrids. Plants grown in a reduced light environment are limited in carbon assimilation and this, in turn, results in reductions in growth and development. A way to supplement the availability of photosynthate is injection of sucrose into plant stems. The objective of this thesis was to determine the ability of LRS corn plants to compete with weeds, and the reactions of weed species to the shade, including the relationships between weed growth (increase in biomass) and development (shape) under shaded conditions. Three years of field experiments (LRS and more conventional corn hybrids with both transplanted and naturally growing weeds) and two years of greenhouse work [weeds alone, C3 (lamb's quarters and velvetleaf) and C4 (redroot pigweed) in full sun or deep (75%) shade injected with 15% sucrose or not] were conducted. Yield reductions due to weed pressure were lower for LRS than other hybrids. Biomass production by both transplanted and naturally occurring weeds was up to 85% less under corn canopies than when grown without competition from corn. The biomass of C4 weeds was more reduced by competition with corn plants than that of C3 weeds. In spite of quick and early leaf development, leaves and other plant parts of LRS were not damaged excessively by mechanical (rotary hoeing) weed control. Both C3 and C4 weed plants produced more dry matter when injected with sucrose. Dry weights of sucrose injected shaded plants were not different from full sun uninjected plants. However, sucrose injection did not alter shading effects on development (distribution of biomass). Dry matter production and photosynthetic rates of C4 weeds were more reduced

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Capitoli di libri sul tema "Amaranthus retroflexus"

1

Batsatsashvili, Ketevan, Naiba P. Mehdiyeva, Zaal Kikvidze, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, David Tchelidze, Valida M. Alizade, Narel Y. Paniagua Zambrana e Rainer W. Bussmann. "Amaranthus retroflexus L. Amaranthaceae". In European Ethnobotany, 107–12. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49412-8_137.

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Batsatsashvili, Ketevan, Naiba Mehdiyeva, Zaal Kikvidze, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, David Tchelidze, Valida Alizade, Narel Y. Paniagua Zambrana e Rainer W. Bussmann. "Amaranthus retroflexus L. Amaranthaceae". In European Ethnobotany, 1–6. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-50009-6_137-1.

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Bussmann, Rainer W., Ketevan Batsatsashvili e Zaal Kikvidze. "Amaranthus hybridus L. Amaranthus palmeri S. Watson Amaranthis spinosus L. Amaranthus retroflexus L. Amaranthaceae". In Ethnobotany of the Mountain Regions of Central Asia and Altai, 1–10. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77087-1_18-1.

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Bussmann, Rainer W., Ketevan Batsatsashvili e Zaal Kikvidze. "Amaranthus hybridus L. Amaranthus palmeri S. Watson Amaranthus spinosus L. Amaranthus retroflexus L. Amaranthaceae". In Ethnobotany of the Mountain Regions of Central Asia and Altai, 93–101. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28947-8_18.

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, Javier Echeverría e Carolina Romero. "Amaranthus caudatus L. Amaranthus deflexus L. Amaranthus hybridus L. Amaranthus retroflexus L. Amaranthus spinosus L. Amaranthaceae". In Ethnobotany of Mountain Regions, 1–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_20-2.

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, Javier Echeverría e Carolina Romero. "Amaranthus caudatus L. Amaranthus deflexus L. Amaranthus hybridus L. Amaranthus retroflexus L. Amaranthus spinosus L. Amaranthaceae". In Ethnobotany of Mountain Regions, 199–207. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28933-1_20.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa MaisaiaMaisaia, Shalva Sikharulidze e David Tchelidze. "Amaranthus hybridus L. Amaranthus palmeri S. Watson Amaranthus spinosus L. Amaranthus retroflexus L. Atriplex hortensis L. Amaranthaceae". In Ethnobotany of Mountain Regions, 1–15. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-77088-8_8-2.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze e David Tchelidze. "Amaranthus hybridus L. Amaranthus palmeri S. Watson Amaranthus spinosus L. Amaranthus retroflexus L. Atriplex hortensis L. Amaranthaceae". In Ethnobotany of Mountain Regions, 69–82. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28940-9_8.

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9

Mapes-Sánchez, Cristina, Ángel Mujica-Sánchez e Laura Cortés-Zárraga. "Amaranthus crassipes Schltdl Amaranthus cruentus L Amaranthus dubius Mart. ex Thell Amaranthus fimbriatus (Torr.) Benth. ex S. Watson Amaranthus graecizans L Amaranthus hybridus L Amaranthus hypochondriacus L Amaranthus palmeri S. Watson Amaranthus polygonoides L Amaranthus powellii S. Amaranthus retroflexus L Amaranthus spinosus L Amaranthus viridis L Amaranthus watsonii Standl Amaranthaceae". In Ethnobotany of the Mountain Regions of Mexico, 1–17. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-77089-5_27-1.

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10

Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, Javier Echeverría e Carolina Romero. "Amaranthus caudatus L.Amaranthus deflexus L.Amaranthus hybridus L.Amaranthus retroflexus L.Amaranthus spinosus L.Amaranthaceae". In Ethnobotany of Mountain Regions, 1–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_20-1.

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Atti di convegni sul tema "Amaranthus retroflexus"

1

Vershinina, Z. R., L. R. Khakimova, L. R. Karimova e Al Kh Baimiev. "Amaranthus retroflexus transgenic plants for phytoremediation". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.267.

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Abstract (sommario):

Amaranthus retroflexus was transformed with the pph6 gene encoding the synthesis of a metal-binding peptide, which on average increased plant resistance to Cd and Ni by 15%, the accumulation of heavy metals in plants increased by an average of 25%.

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2

Didovich, S. V., A. N. Pas’ e O. P. Alekseenko. "Search of phyto-toxicity microorganisms for weeds". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.060.

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Abstract (sommario):

Phyto-toxic strains for Ambrosia artemisiifolia, Amaranthus retroflexus, Cirsium arvense have been identified. The intensity of the lesion exceeded the control by 5-70 times (p < [0.0001-0.007]), depending on the strain and the location of the stomata.

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3

Didovich, S. V., O. P. Alekseenko e A. N. Pas'. "Bioherbicides for controlling the number of weeds in the agrocenoses of the Crimea". In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-16.

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Abstract (sommario):

The paper presents a study about the ecologization of plant protection from weeds. The strain of Bacillus sp. Msk4b with phytotoxicity 10-70 times higher compared to control was recommended for the development of bioherbicide technology against Amaranthus retroflexus L. and Ambrosia artemisiifolia L. Isolate of micromycete Msk3g with phytotoxicity 2-8 times higher compared to control was recommended against Cirsium arvense (L.) Scop. and Ambrosia artemisiifolia L.

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4

Brkovic, Dusko, Dalibor Tomic e Snežana Brankovic. "DIVERZITET I ANALIZA KVALITATIVNOG SASTAVA BILJNE ZAJEDNICE STRNIŠTA KAO POTENCIJALNE KRME". In SAVETOVANJE o biotehnologiji sa međunarodnim učešćem. University of Kragujeva, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.049b.

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Abstract (sommario):

In the plant communities on stubble, 25 taxons were determined, classified into 22 genera and 13 families. Of the 7 most pre-stated families, five are present in this micro-company where asteraceae have 6 taxons (27.27%), Lamiaceae five species (20%) and Poaceae three representatives (12%). As feed can be used: Galinsoga parviflora Cav., Echinochloa crus-galli (L.) Beauv., Elymus repens (L.) Gould., Amaranthus retroflexus L., Chenopodium album L. and Leontodon hispidus L. Potentially toxic to domestic animals are: Colchicum autumnale L., Equisetum arvense L., Equisetum telmateia Ehrh., Ranunculus bulbosus L., Sonhus arvensis L.

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5

Meseldzija, Maja, Milica Dudic, Radovan Begovic e Ivana Marjanovic. "EFIKASNOST KOMBINACIJE MEZOTRIONA I TERBUTILAZINA IZ RAZLIČITIH PREPARATA U USEVU KUKURUZA". In XXVI savetovanje o biotehnologiji sa međunarodnim učešćem. University of Kragujevac, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.339m.

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Abstract (sommario):

The aim of study was to test the efficacy and phytotoxicity of Calaris pro (326 g kg-1 terbuthylazine+50 g kg-1 mesotrione) and Twister (125 g kg-1 terbuthylazine+50 g kg-1 mesotrione) on weeds in maize crop. The experiment was set up during 2017 at the Kruščić, by a random block system in four repetitions. High efficacy of herbicides was manifested on Abutilon theophrasti, Amaranthus retroflexus, Ambrosia artemisiifolia, Chenopodium album, Chenopodium hybridum, Cirsium arvense, Datura stramonium, Solanum nigrum, Setaria glauca, Hibiscus trionum and Xanthium strumarium, while low efficacy was on Sorghum halepense. The total efficacy for product Calaris pro was 94,16% and for Tvister 96,20%.

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6

Pyrko, A. N. "ENVIRONMENTALLY FRIENDLY SYNTHESIS AND BIOLOGICAL TESTING FOR PESTICIDAL ACTIVITY OF HETEROCYCLIC ANALOGS OF STEROIDS". In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-1-187-190.

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Abstract (sommario):

The aim of the study is the synthesis and testing for pesticidal activities of 2,3-dimethoxy-16,16-dimethyl-D-homo-8-azagona-1,3,5 (10),13-tetraene-12,17а-one and 2,3-dimethoxy-16,16-dimethyl-d-homo-8-azagona-1,3,5(10),13-tetraene-12-imino-17а-one hydrochloride which could become the basis of plant protection products. The first compound was obtained by condensation of 6,7-dimethoxy-2,3-dihydroisoquinoline with 2-acetyl-5.5-dimethylcyclohexane-1,3-dione. The second substance was synthesized by interaction of the first with ammonium chloride. The synthesized compounds were tested for certain types of pesticide activities. Both synthesized compounds showed herbicidal activity against amaranthus retroflexus, brassica rapa, abutilon theophrasti and insecticidal activity against toxoptera graminum. Hydrochloride 2,3-dimethoxy-16,16-dimethyl-D-homo-8-azagon-1,3,5(10),13-tetraene-12-imino-17a-one showed insecticidal activity against musca domestica and fungicidal activity against drechslera.

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