Relevant bibliographies by topics / Monococcum

Academic literature on the topic 'Monococcum'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Monococcum"

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Noweiska, Aleksandra, Roksana Bobrowska, and Michał Tomasz Kwiatek. "Structural Polymorphisms of Chromosome 3Am Containing Lr63 Leaf Rust Resistance Loci Reflect the Geographical Distribution of Triticum monococcum L. and Related Diploid Wheats." Agriculture 12, no. 7 (July 5, 2022): 966. http://dx.doi.org/10.3390/agriculture12070966.

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Wheat is one of the world’s crucial staple food crops. In turn, einkorn wheat (Triticum monococcum L.) is considered a wild relative of wheat (Triticum aestivum L.) and can be used as a source of agronomically important genes for breeding purposes. Cultivated T. monococcum subsp. monococcum originated from T. monococcum subsp. aegilopoides (syn. T. boeticum). For the better utilization of valuable genes from these species, it is crucial to discern the genetic diversity at their cytological and molecular levels. Here, we used a fluorescence in situ hybridization toolbox and molecular markers linked to the leaf rust resistance gene Lr63 (located on the short arm of the 3Am chromosome—3AmS) to track the polymorphisms between T. monococcum subsp. monococcum, T. boeticum and T. urartu (A-genome donor for hexaploid wheat) accessions, which were collected in different regions of Europe, Asia, and Africa. We distinguished three groups of accessions based on polymorphisms of cytomolecular and leaf rust resistance gene Lr63 markers. We observed that the cultivated forms of T. monococcum revealed additional marker signals, which are characteristic for genomic alternations induced by the domestication process. Based on the structural analysis of the 3AmS chromosome arm, we concluded that the polymorphisms were induced by geographical dispersion and could be related to adaptation to local environmental conditions.
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Demir, M. K., A. Ünver, D. Arslan, G. Üçok, F. Terlemez, and S. Türker. "Characterisation of einkorn (Triticum monococcum L. subsp. monococcum) wheat oil." Quality Assurance and Safety of Crops & Foods 7, no. 5 (August 17, 2015): 707–12. http://dx.doi.org/10.3920/qas2014.0469.

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Dyck, P. L., and P. Bartoš. "Attempted transfer of leaf rust resistance from Triticum monococcum and durum wheat to hexaploid wheat." Canadian Journal of Plant Science 74, no. 4 (October 1, 1994): 733–36. http://dx.doi.org/10.4141/cjps94-131.

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An attempt was made to transfer leaf rust resistance from diploid Triticum monococcum, an autotetraploid of the T. monococcum accession, and durum cultivars Medora and Stewart to hexaploid wheat cultivars Thatcher and RL6058 (Lr34). A single gene for leaf rust resistance which was the same as Lr33 (RL6057) was transferred from the durum cultivars to hexaploid wheat. The gene transferred in crosses involving autotetraploid T. monococcum was also Lr33, but since Lr33 is on chromosome 1B, it was probably not from T. monococcum. This gene was not the same as the T. monococcum-derived gene in RL6137 (Tc*6/TMR5-J14-12-24). Using RL6058 (Lr34) as the recurrent parent appeared to facilitate the interspecific transfer of resistance since resistance was expressed in the first backcross generation involving RL6058 but not Thatcher. Key words: leaf rust resistance, wheat, Triticum aestivum
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Dubcovsky, Jorge, Ming-Cheng Luo, Gan-Yuan Zhong, Ronda Bransteitter, Amrita Desai, Andrzej Kilian, Andris Kleinhofs, and Jan Dvořák. "Genetic Map of Diploid Wheat, Triticum monococcum L., and Its Comparison With Maps of Hordeum vulgare L." Genetics 143, no. 2 (June 1, 1996): 983–99. http://dx.doi.org/10.1093/genetics/143.2.983.

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Abstract A genetic map of diploid wheat, Triticum monococcum L., involving 335 markers, including RFLP DNA markers, isozymes, seed storage proteins, rRNA, and morphological loci, is reported. T. monococcum and barley linkage groups are remarkably conserved. They differ by a reciprocal translocation involving the long arms of chromosomes 4 and 5, and paracentric inversions in the long arm of chromosomes 1 and 4; the latter is in a segment of chromosome arm 4L translocated to 5L in T. monococcum. The order of the markers in the inverted segments in the T. monococcum genome is the same as in the B and D genomes of T. aestivum L. The T. monococcum map differs from the barley maps in the distribution of recombination within chromosomes. The major 5s rRNA loci were mapped on the short arms of T. monococcum chromosomes 1 and 5 and the long arms of barley chromosomes 2 and 3. Since these chromosome arms are colinear, the major 5s rRNA loci must be subjected to positional changes in the evolving Triticeae genome that do not perturb chromosome colinearity. The positional changes of the major 5s rRNA loci in Triticeae genomes are analogous to those of the 18S5.8S26S rRNA loci.
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Hidalgo, Alyssa, Andrea Brandolini, Carlo Pompei, and Roberta Piscozzi. "Carotenoids and tocols of einkorn wheat (Triticum monococcum ssp. monococcum L.)." Journal of Cereal Science 44, no. 2 (September 2006): 182–93. http://dx.doi.org/10.1016/j.jcs.2006.06.002.

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Rouse, M. N., and Y. Jin. "Stem Rust Resistance in A-Genome Diploid Relatives of Wheat." Plant Disease 95, no. 8 (August 2011): 941–44. http://dx.doi.org/10.1094/pdis-04-10-0260.

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Wheat stem rust, caused by Puccinia graminis f. sp. tritici, has been effectively controlled through the use of genetic resistance. P. graminis f. sp. tritici race TTKSK (Ug99) possesses virulence to many resistance genes that have been used in wheat breeding worldwide. One strategy to aid breeders in developing resistant cultivars is to utilize resistance genes transferred from wild relatives to wheat. Stem rust resistance genes have previously been introgressed from Triticum monococcum to wheat. In order to identify additional resistance genes, we screened 1,061 accessions of T. monococcum and 205 accessions of T. urartu against race TTKSK and four additional P. graminis f. sp. tritici races: TTTTF, TRTTF, QFCSC, and MCCFC. A high frequency of the accessions (78.7% of T. monococcum and 93.0% of T. urartu) were resistant to P. graminis f. sp. tritici race TTKSK, with infection types ranging from 0 to 2+. Among these resistant accessions, 55 T. monococcum accessions (6.4% of the total) were also resistant to the other four races. Associations of resistance in T. monococcum germplasm to different races indicated the presence of genes conferring resistance to multiple races. Comparing the observed infection type patterns to the expected patterns of known genes indicated that previously uncharacterized genes for resistance to race TTKSK exist in both T. monococcum and T. urartu.
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Kuluev, Azat R., Rustam T. Matnijazov, Bulat R. Kuluev, and Alexey V. Chemeris. "A molecular genetic research of the Triticum sinskajae A. Filat. et Kurk. by RAPD analysis and by comparing the nucleotide sequences of the variable intergenic region of the petN-trnC-GCA chloroplast genome and intron of the histone H3.2 gene." Ecological genetics 16, no. 1 (March 15, 2018): 53–59. http://dx.doi.org/10.17816/ecogen16153-59.

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Background. Triticum sinskajae A. Filat. et Kurk. was discovered in the early 70th in the last century at the regular reproduction in the Central Asian and Dagestan VIR-stations of T. monococcum samples. Materials and methods. The objects of the study were 4 species of diploid wheat — Triticum urartu Thum. ex Gandil. (lines k-62477, k-62465), Triticum monococcum L. (lines k-20970, k-39471), Triticum boeoticum Boiss. (lines k-59161, k-28132, k-40118) and Triticum sinskajae A. Filat. et Kurk. (line k-48993). Results. We found differences between T. sinskajaeand T. monococcum in the variable region of the histone gene H3.2, and the RAPD analysis showed the presence of unique polymorphic loci in T. sinskajae. Conclusion. In gene ral, T. boeoticum, T. monococcum, and T. sinskajae are most likely to be closely related species of diploid wheat, whereas T. urartu is quite significantly different from them.
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Kerby, K., J. Kuspira, and B. L. Jones. "Biochemical data bearing on the relationship between the genome of Triticum urartu and the A and B genomes of the polyploid wheats." Genome 30, no. 4 (August 1, 1988): 576–81. http://dx.doi.org/10.1139/g88-097.

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To determine whether the Triticum urartu genome is more closely related to the A or B genome of the polyploid wheats, the amino acid sequence of its purothionin was compared to the amino acid sequences of the purothionins in Triticum monococcum, Triticum turgidum, and Triticum aestivum. The residue sequence of the purothionin from T. urartu differs by five and six amino acid substitutions respectively from the α1 and α2 forms coded for by genes in the B and D genomes, and is identical to the β form specified by a gene in the A genome. Therefore, the T. urartu purothionin is either coded by a gene in the A genome or a chromosome set highly homologous to it. The results demonstrate that at least a portion of the T. urartu and T. monococcum genomes is homologous and probably identical. A variety of other studies have also shown that T. urartu is very closely related to T. monococcum and, in all likelihood, also possesses the A genome. Therefore, it could be argued that either T. urartu and T. monococcum are the same species or that T. urartu rather than T. monococcum is the source of the A genome in T. turgidum and T. aestivum. Except for Johnson's results, our data and that of others suggest a revised origin of polyploid wheats. Specifically, the list of six putative B genome donor species is reduced to five, all members of the Sitopsis section of the genus Aegilops.Key words: Triticum monococcum, Triticum urartu, polyploid wheats, genomes A and B, purothionins.
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Wang, Xiu-Ying, Chang-Shui Wang, Jian Ma, Ji-Rui Wang, Ya-Xi Liu, Peng-Fei Qi, Wei Li, et al. "Characterization of genes encoding Starch Branching Enzyme I from Triticum monococcum and its diploid wheat relatives." Biologia 70, no. 9 (September 1, 2015): 1193–200. http://dx.doi.org/10.1515/biolog-2015-0134.

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Abstract The Starch Branching Enzyme I (SBEI) gene plays an important role in amylopectin synthesis. Here, we isolated and characterized the full-length cDNA and DNA sequences of SBEI gene from diploid Triticeae species, Triticum monococcum, T. urartu, Aegilopsspeltoides, and Ae. tauschii. Then we predicted its protein structure, analyzed its evolutionary relationship with other species, and explored its expression patterns using real-time quantitative PCR. The SBEI cDNA includes a 2,490-bp open reading frame (ORF) encoding 829 amino acids. The genomic DNA of SBEI is 5,526-bp in length, containes fourteen exons and thirteen introns, and shares a similar structure with its homologous genes from other cereal plants. Sequence similarity ranging from 70.50% to 98.02% in exons and from 15.50% to 83.63% in introns was detected. Results of phylogenetic tree based on the deduced amino acid sequences from T. monococcum and other plants indicated that T. monococcum SBEI is more closely related to T. boeoticum and T. urartu. Expression analysis revealed that T. monococcum SBEI and AGPase genes were highly expressed in the seeds at middle developmental stage. This is the first report on characterization of the SBEI gene in T. monococcum. These results could be used to explore the roles of this enzyme in amylopectin synthesis.
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Kóczán-Manninger, Katalin, and Katalin Badak-Kerti. "Investigations into Flour Mixes of Triticum Monococcum and Triticum Spelta." Hungarian Journal of Industry and Chemistry 46, no. 2 (December 1, 2018): 63–66. http://dx.doi.org/10.1515/hjic-2018-0020.

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Abstract Bread samples were made using flour mixes of Triticum monococcum (Tr. monococcum) and Triticum spelta (Tr. spelta). They were tested for their rheological behaviour over the first 3 days of storage at room temperature, and for their characteristics based on a Hungarian Standard. Parameters were set such as the volume of the baked product, baking loss, crumb characteristics and elasticity of crumbs. The behaviour of flour from einkorn wheat is different to that of Tr. spelta. The properties of the tested flour mixes measured by a farinograph show that Tr. spelta produces an acceptable dough, on the other hand, the dough of Tr. monococcum develops quickly but is very unstable so weakens within minutes of being kneaded. This also suggests that doughs composed of einkorn wheat flour require a different type of kneading than those of Tr. spelta (or Tr. aestivum, also referred to as common wheat) flours. Breads composed of Tr. spelta were comparable with those made with Tr. aestivum, the crumb elasticity was above 90 % on the day of baking, which indicates high quality. The Tr. monococcum breads, however, were of low grade: the volume of the breads decreased by increasing the ratio of Tr. monococcum to Tr. spelta and the elasticity reduced to unacceptable levels (less than 60 %). It should be mentioned that the grading was based on breads made purely from Tr. aestivum flours.
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Dissertations / Theses on the topic "Monococcum"

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Taenzler, Bärbel. "QTL-Analyse der Backqualität in Einkornweizen (T. m. monococcum)." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=964783304.

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CAILLAUD, CLAUDIA MARINA. "Analyse des mecanismes de la resistance de lignees de ble triticum monococcum au puceron des cereales sitobion avenae." Paris 11, 1994. http://www.theses.fr/1994PA112172.

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Ce travail se proposait d'analyser quelques aspects des mecanismes de la resistance de lignees d'un ble diploide triticum monococcum l. Au puceron des cereales sitobion avenae f. Nous avons en premier lieu confirme que la resistance des t. Monococcum agissait essentiellement par antibiose et apprecie la cinetique de cet effet sur le poids et l'etat ovarien du puceron. Cette phase descriptive suggerant que la resistance des plantes interferait avec les modalites de la nutrition aphidienne, l'etude du comportement alimentaire des pucerons sur genotypes de bles sensibles a ete entreprise. Nous avons montre que les facteurs de la resistance du genotype tm44 etaient localises dans les tubes cribles du phloeme ou ils empechaient la mise en place d'une phase d'ingestion de seve elaboree et que le mecanisme de la resistance de tm44 differait de celui d'une autre lignee resistante, tm46. Une analyse genetique preliminaire nous a permis de preciser que ces deux sources de resistance, tm44 et tm46 etaient complementaires et gouvernees chacune par un petit nombre de genes transmis sur le mode dominant. Nous avons ensuite confronte la resistance de tm44 a une gamme de 60 clones de pucerons collectes a l'echelle locale et observe une importante variabilite interclonale des performances aphidiennes sur ce genotype. Face a certains clones issus de cette collecte, le niveau de resistance de tm46 s'est avere tellement diminue que le classement varietal de cette lignee a ete modifie. La resistance de tm44 est apparue plus stable. Cependant, une etude preliminaire des performances d'individus f1 issus de l'hybridation entre le clone de reference de nos travaux et un des clones les plus agressifs collectes dans le bassin rennais, montre que la reproduction sexuee entre ces clones genere des individus dont les performances sur tm44 sont superieures a celles de leurs parents. A l'issue de cette etude, il apparait que la construction d'une resistance durable a s. Avenae requiert la connaissance du mode d'action exact de la resistance de la plante (aux niveaux biochimique et genetique) et la precision des elements qui conditionnent l'adaptation des aphides a leurs plantes-hotes (en particulier le determinisme genetique de ce caractere)
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Rothe, Nolan. "Validation of tilling populations in diploid and hexaploid wheat." Thesis, Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/4125.

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Engert, Nadine [Verfasser]. "Phenolic acids and antioxidative capacity on ancient wheat namely einkorn (T. monococcum ssp.), emmer (T. turgidum ssp.) and spelt wheat (T. aestivum ssp. spelta) and on germinated bread wheat (T. aestivum ssp. aestivum) / Nadine Engert." Gießen : Universitätsbibliothek, 2011. http://d-nb.info/1063177758/34.

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Taenzler, Bärbel [Verfasser]. "QTL-Analyse der Backqualität in Einkornweizen (T. m. monococcum) / vorgelegt von Bärbel Taenzler." 2000. http://d-nb.info/964783304/34.

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Rajendran, Karthika. "Components of salinity tolerance in wheat." Thesis, 2012. http://hdl.handle.net/2440/84532.

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Soil salinity causes osmotic and ion specific stresses and significantly affects growth, yield and productivity of wheat. The visual symptoms of salinity stressed wheat include stunted shoot growth, dark green leaves with thicker laminar surfaces, wilting and premature leaf senescence. There are three major components of salinity tolerance that contribute to plant adaptation to saline soils: osmotic tolerance, Na⁺ exclusion and tissue tolerance. However, to date, research into improving the salinity tolerance of wheat cultivars has focused primarily on Na⁺ exclusion and little work has been carried out on osmotic or tissue tolerance. This was partly due to the subjective nature of scoring for plant health using the human eye. In this project, commercially available imaging equipment has been used to monitor and record the growth and health of salt stressed plants in a quantitative, non-biased and non-destructive way in order to dissect out the components of salinity tolerance. Using imaging technology, a high throughput salt screening protocol was developed to screen osmotic tolerance, Na⁺ exclusion and tissue tolerance of 12 different accessions of einkorn wheat (T. monococcum), including parents of the existing mapping populations. Three indices were used to measure the tolerance level of each of the three major components of salinity tolerance. It was identified that different lines used different combinations of the three major salinity tolerance components as a means of increasing their overall salinity tolerance. A positive correlation was observed between a plant’s overall salinity tolerance and its proficiency in Na⁺ exclusion, osmotic tolerance and tissue tolerance. It was also revealed that MDR 043 as the best osmotic and tissue tolerant parent and MDR 002 as a salt sensitive parent for further mapping work. Accordingly, the F₂ population of MDR 002 × MDR 043 was screened to understand the genetic basis of osmotic tolerance and tissue tolerance in T. monococcum. Wide variation in osmotic tolerance and tissue tolerance was observed amongst the progenies. The broad sense heritability for osmotic tolerance was identified as 0.82. Similar, salinity tolerance screening assays were used to quantify and identify QTL for major components of salinity tolerance in Berkut × Krichauff DH mapping population of bread wheat (T. aestivum). Phenotyping and QTL mapping for Na⁺ exclusion and osmotic tolerance has been successfully done in this mapping population. There existed a potential genetic variability for osmotic tolerance and Na⁺ exclusion in this mapping population. The broad sense heritability of osmotic tolerance was 0.70; whereas, it was 0.67 for Na⁺ exclusion. The composite interval mapping (CIM) identified a total of four QTL for osmotic tolerance on 1D, 2D and 5B chromosomes. For Na⁺ exclusion, CIM identified a total of eight QTL with additive effects for Na+ exclusion on chromosomes 1B, 2A, 2D, 5A, 5B, 6B and 7A. However, there were QTL inconsistencies observed for both osmotic tolerance and Na⁺ exclusion across the three different experimental time of the year. It necessitates re-estimating the QTL effect and validating the QTL positions either in the same or different mapping population.
Thesis (Ph.D.) -- University of Adelaide, School of Agriculture Food and Wine, 2012
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Book chapters on the topic "Monococcum"

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Şahin, Yunus, and Fatma Pehlivan Karakas. "Chemical Composition of Einkorn (Triticum monococcum ssp. monococcum), Emmer (Triticum dicoccum), and Spelt (Triticum spelta)." In Ancient Wheats, 119–45. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07285-7_6.

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Ozkan, H., A. Brandolini, A. Torun, S. AltIntas, S. Eker, B. Kilian, H. J. Braun, F. Salamini, and I. Cakmak. "Natural Variation And Identification Of Microelements Content In Seeds Of Einkorn Wheat (Triticum Monococcum)." In Developments in Plant Breeding, 455–62. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/1-4020-5497-1_55.

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Sodkiewicz, Wojciech, and Magdalena Tomczak. "Variation of Some Physiological and Spike Characters Affecting the Reproductive Behaviour of Introgressive Triticale Lines with T. monococcum Genetic Information." In Triticale: Today and Tomorrow, 291–97. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0329-6_38.

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Fedak, George. "Alien Introgressions from wild Triticum species, T. monococcum, T. urartu, T. turgidum, T. dicoccum, T. dicoccoides, T. carthlicum, T. araraticum, T. timopheevii, and T. miguschovae." In Alien Introgression in Wheat, 191–219. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23494-6_8.

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Brandolini, Andrea, and Alyssa Hidalgo. "Einkorn (Triticum monococcum) Flour and Bread." In Flour and Breads and their Fortification in Health and Disease Prevention, 79–88. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-380886-8.10008-x.

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Conference papers on the topic "Monococcum"

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Cai, Nian, Qing Pan, Kuanghu Hu, and Haitao Xiong. "Automatic Analysis of High-Resolution G Bands of Triticum Monococcum Chromosomes Based on the MBNN." In 2008 Fourth International Conference on Natural Computation. IEEE, 2008. http://dx.doi.org/10.1109/icnc.2008.632.

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Robbins, Albert, Robert Slate, and Thomas Slate. "The Monococque Airship Experience: Lessons Forgotten." In 18th AIAA Lighter-Than-Air Systems Technology Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-2858.

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Reports on the topic "Monococcum"

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Vassileva, Paunka, Dimitrinka Voykova, Ivan Uzunov, and Snejanka Uzunova. Methylene Blue Adsorption by Triticum monococcum L. Husks Based Materials. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, September 2018. http://dx.doi.org/10.7546/crabs.2018.09.05.

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