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Academic literature on the topic 'Triticum aestivum'

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Published: 4 June 2021
Last updated: 7 July 2024

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Journal articles on the topic "Triticum aestivum"

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Yadamsuren, Narantsetseg, Bayarsukh Noov, and Myagmarsuren Yadamsuren. "Morphological characterization of Mongolian local common wheat (Triticum. Aestivum) species." Mongolian Journal of Agricultural Sciences 15, no. 35 (December 26, 2022): 13–19. http://dx.doi.org/10.5564/mjas.v15i35.2443.

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The common wheat is one of the most important food crops and cultivated for more than 2000 years in Mongolia that are evidenced in the books of ancient scholars and archeological findings. The collection of plant genetic resources includes 5 wheat species found from different regions of Mongolia and among them 5% is belongs to common wheat (Triticum aestivum). The local common wheat landraces the sub-species v. ferrugineum, v. erythrospermum, v. lutescens occupy 11.3-33.0% and other sub-species 0.3-7.7%, respectively. Local landraces have plant height of 61-101 cm, spike length of 6.5-9.8cm and plant duration of 86-112 days. The landraces highly differ by the plant duration (V=67.4), and plant height (V=44.8) Монгол нутгийн зөөлөн (Triticum aestivum ) буудайн янз зүйлүүд, тэдгээрийн морфологи Хураангуй Зөөлөн буудай нь хүнсний чухал таримлын нэг ба Монгол нутагт 2000 гаруй жилийн өмнөөс тариалж ирсэнийг эрт үеийн судлаачдын бичиж үлдээсэн ном судрууд болон малтлагаар олдсон археологийн үнэт олдворууд баталдаг. Ургамлын генетик нөөцийн цуглуулгад Монголын баруун, зүүн, төвийн бүс нутгуудаас олдсон буудайн 5 зүйл хадгалагдаж байгаагаас 65.7%- ийг зөөлөн буудай (Triticum aestivum) эзэлж байна. Нутгийн зөөлөн буудайн Triticum. Aestivum. subs aestivum.v. ferrugineum, Triticum. Aestivum. subs aestivum.v. erythrospermum, Triticum. Aestivum. subs aestivum.v. lutescens янз зүйлүүд 11.3- 33%- ийг, бусад янз зүйлүүд 0.3- 7.7%- ийг тус тус эзэлж байна. Нутгийн Зөөлөн буудайн дээжүүдийн ургамлын өндөр 61-101 см, түрүүний урт 6.5- 9.8 см, ургалтын хугацаа 86-112 хоногтой бөгөөд ургалтын хугацаа (V=67.4), ургамлын өндрөөр (V=44.8) ихээхэн ялгаатай байна. Түлхүүр үг: Фенотип, эх материал, популяци.
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TEICH, A. H. "ANNETTE WHEAT." Canadian Journal of Plant Science 70, no. 1 (January 1, 1990): 289–93. http://dx.doi.org/10.4141/cjps90-032.

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Annette is a soft, white winter wheat (Triticum aestivum L.) cultivar highly to very resistant to 11 tester isolates of Erysiphe graminis f. sp. tritici with seven virulence genes. In its area of adaptation, southwestern Ontario with more than 2700 CHU, it has yield similar to that of the highest yielding recommended cultivars.Key words: Cultivar description, powdery mildew, wheat (winter), Triticum aestivum L.
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DEPAUW, R. M., T. F. TOWNLEY-SMITH, T. N. McCAIG, and J. M. CLARKE. "LAURA HARD RED SPRING WHEAT." Canadian Journal of Plant Science 68, no. 1 (January 1, 1988): 203–6. http://dx.doi.org/10.4141/cjps88-020.

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Laura hard red spring wheat (Triticum aestivum L.) combines higher grain yield than currently registered cultivars with very good bread-making properties. Laura has resistance to prevalent races of leaf rust caused by Puccinia recondita Rob. ex. Desm. f. sp. tritici and stem rust caused by P. graminis Pers. f. sp. tritici Eriks. and E. Henn. It was registered on 23 December 1986. Breeder seed of Laura will be maintained by Agriculture Canada Experimental Farm, Indian Head, Saskatchewan.Key words: Wheat, Triticum aestivum L., cultivar description
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Knott, D. R. "The mode of inheritance of a type of dwarfism in common wheat." Genome 32, no. 5 (October 1, 1989): 932–33. http://dx.doi.org/10.1139/g89-533.

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A type of dwarfism found in crosses involving the wheat (Triticum aestivum L.) cultivar Webster and a stem rust (Puccinia graminis tritici Erik. &Henn.) susceptible line, LMPG, proved to be due to a dominant gene from cv. Webster and a recessive gene from LMPG. The dominant gene is closely linked to the gene Sr30, which conditions stem rust resistance in cv. Webster and is on chromosome 5D. The dwarf plants have short, dark green, stiff leaves and rarely develop more than two leaves before dying.Key words: dwarfism, Triticum aestivum, Puccinia graminis tritici, stem rust.
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Sampson, D. R., R. G. Fulcher, W. L. Seaman, and J. Fregeau-Reid. "Harmil winter wheat." Canadian Journal of Plant Science 71, no. 2 (April 1, 1991): 543–46. http://dx.doi.org/10.4141/cjps91-079.

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Harmil is a new soft white winter wheat (Triticum aestivum L.) cultivar well adapted to southwestern Ontario. It has high yield, medium height, strong straw, low grain and flour protein, and low 1000-grain weight. It is moderately susceptible to leaf and head diseases, but it is the only cultivar available for the area that is resistant to the two prevalent races of loose smut (Ustilago tritici). Key words: Triticum aestivum L., wheat (winter), soft white, cultivar description
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Eizenga, G. C. "Locating the Agropyron segment in wheat–Agropyron transfer no. 12." Genome 29, no. 2 (April 1, 1987): 365–66. http://dx.doi.org/10.1139/g87-061.

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Twelve lines of wheat (Triticum aestivum L.) were originally identified as having a segment of Agropyron elongatum chromatin carrying a gene for resistance to leaf rust (Puccinia recondita tritici) transferred to wheat chromosome 7D. By studying the chromosome pairing of one of these lines, transfer no. 12, with telosomes 7AL, 7AS, 7BL, 7BS, 7DL, 7DS, and 7AgS, it was determined that the Agropyron chromatin was carried on the long arm of wheat chromosome 7A rather than 7D. This determination was confirmed by acetocarmine–N-banding. Key words: Triticum aestivum, Agropyron elongatum, transfer lines, Puccinia recondita tritici, telosomic analysis.
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Knott, D. R. "The inheritance of resistance to stem rust in 'K253', a hexaploid wheat with resistance from the tetraploid 'C.I. 7778'." Genome 30, no. 6 (December 1, 1988): 854–56. http://dx.doi.org/10.1139/g88-137.

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The inheritance of stem rust (Puccinia graminis f. sp. tritici Eriks. and Henn.) resistance was studied in 'K253', a hexaploid wheat (Triticum aestivum L.) with resistance derived from a tetraploid wheat (T. turgidum L.). The studies indicated that 'K253' carries one dominant gene for good resistance to races 29 and 56 (probably Sr9e) and one recessive gene for moderate resistance to race 15B-1. In addition, some plants apparently carry a recessive gene for moderate resistance to race 56. Four different types of hexaploid near-isogenic lines were produced. One carried Sr9e and another the gene for moderate resistance to race 15B-1. Two carried genes that had not been identified in the genetic studies, including one that was apparently not derived from K253.Key words: stem rust resistance, Puccinia graminis tritici, wheat, Triticum aestivum, Triticum turgidum.
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Hussain, Iqtidar. "Inhibitory impact of Daraikh (Melia Azedarach) leaves litter on wheat (Triticum aestivum) seedling." JOURNAL OF WEED SCIENCE RESEARCH 27, no. 2 (June 30, 2021): 191–200. http://dx.doi.org/10.28941/pjwsr.v27i2.876.

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A biological phenomenon by which one plant releases some chemicals in the environment that affect the rate of germination, its seedling emergence and physiology and overall growth of neighboring plants is called allelopathy. The significance of study was checked allelopathic phytochemical potential of Daraikh (Melia Azedarach L.) leaves on Wheat. Leaves litter were used to examine the allelopathic effects of Daraikh (Melia Azedarach) at five concentrations (100, 200, 300, 400 g, control) parameters studied germination percentage (%), Speed of germination, plant height (cm), root length (cm), Shoot length (cm), coleoptile length (cm), Fresh weight (g) and dry weight (g), Tiller (plant-1) and chlorophyll content (µ cm-2) of Triticum aestivum. All concentration of Leaves litter of Melia Azedarach showed pronounced inhibitory effect on all parameters of Triticum aestivum. Melia Azedarach exerted phytotoxic influence on Triticum aestivum at initial growth stages. Melia Azedarach exhibited a significant negative impact on germination of Triticum aestivum at 100, 200, 300, 400 g litter of leaves than control (Sterilized soil) repectively. Melia Azedarach halted the coleoptile length of Triticum aestivum @ 400 g leaves litter. Powdered leaves of Melia Azedarach in clay loam soil appeared to have strong allelopathic inhibition under maximum concentrations on growth and germination of Triticum aestivum. Hence, Melia Azedarach proved a strong allelopathic plant that should be planted aside from field to avoid harmful impacts during early growth stages of Triticum aestivum.
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Johri, S., N. Khan, and S. Shrivastava. "ANTI-ANAEMIC POTENTIAL OF BUTANOLIC EXTRACT OF PIPER BETEL LEAVES AND TRITICUM AESTIVUM GRASS IN RATS: AN IN VIVO APPROACH." INDIAN DRUGS 56, no. 01 (January 28, 2019): 40–44. http://dx.doi.org/10.53879/id.56.01.11550.

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Several plants have been used for medicinal purposes since long. Piper betel and Triticum aestivum are traditionally used as herbal medicines. The objective of this study was to estimate the antianaemic potential of butanolic extract of Piper betel leaves and Triticum aestivum grass in a rat model. Butanolic extract of Piper betel leaves and Triticum aestivum grass were prepared by soxhalation. Anaemia was induced by intraperitoneal administration of phenylhydrazine in female rats at doses of 20mg/kg body weight/day for 6 consecutive days. Anaemic rats were treated orally with butanolic extract of Piper betel leaves, Triticum aestivum grass and combination of these two extracts at the doses of 20mg/kg body weight/day for 20 days. On the 21st day haematological parameters such as RBCs, haemoglobin, HCT showed increased significantly (p<0.05) in the Group III, IV and V. The present study revealed that combination therapy showed high anti-anaemic potential followed by Piper betel leaves and Triticum aestivum grass, respectively.
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Knott, D. R. "The transfer of stem rust resistance from the Ethiopian durum wheat St. 464 to common wheat." Canadian Journal of Plant Science 76, no. 2 (April 1, 1996): 317–19. http://dx.doi.org/10.4141/cjps96-054.

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Two genes for stem rust (Puccinia graminis Pers. f. sp. tritici Eriks. & Henn.) resistance were transferred from the Ethiopian durum wheat (Triticum turgidum L) accession St. 464 to Thatcher and Prelude/8* Marquis common wheat. One gene was shown by monosomic analysis to be on chromosome 4B and proved to be Sr7a. Monosomic analysis failed to locate the second gene. It is only partially dominant and conditions resistance to a range of races. Key words: Rust resistance, stem rust, wheat, Puccinia graminis tritici, Triticum aestivum, Triticum turgidum
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Dissertations / Theses on the topic "Triticum aestivum"

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Uddin, Md Nizam. "Heterosis in wheat (Triticum aestivum L.)." Thesis, The University of Sydney, 1991. https://hdl.handle.net/2123/26310.

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Three field experiments were established to provide information upon which strategic decisions could be made on the advisability of breeding hybrid wheat versus pure lines for Australian wheat growing conditions. These experiments would determine the level and stability of heterosis for grain yield, provide data on how hybrids obtained their yield, indicate the accuracy of different planting arrangements for measuring heterosis and compare the performance of pure lines derived from heterotic hybrids with the F1 hybrids. Six hand-made, two produced using a chemical gametocide and two commercial hybrids were tested along with their parents (except for the commercial hybrids for which the parents were unavailable) in replicated hill plots in three environments (sowing date s) for two seasons, 1987 and 1988. The hybrids produced significantly more grain yield in all six environments and were marginally more stable than their parents. The best hybrid outyielded the commercial cultivar by 18.2 %. Mea n protein content of the hybrids was marginally lower r than that for the parents, i. e., 14.4 % compared with 14.8 %. Howe ver, the three high est yielding hybrids, despite their 14.5 —18. 3% yield advantage over the best yielding check cultivar were high er in protein than it by as much as 1.2% protein. Kernel weight appeared to contribute most consistently to yield heterosis. All hybrids were taller than the mid-parent value and half of them were taller than the high-parent. However, the increased height did not affect their harvest indices adversely. With only one exception the hybrids had significantly higher harvest indices compared with the mid-parent value. Eight of the hybrids from the above experiment were tested in hill plots, space-planted plots and in multiple row plots (large plots) planted at a seeding density comparable with commercial practice Genotype means from the three plot types for grain yield. Its components, plant height and harvest index were positively and significantly correlated. The three plot types determined genotypic differences with similar precision. Similar levels of heterosis were observed in hill plots and space-planted plots. 22.1 and 22.9%, respectively, whereas a relatively lower level was observed in large plots (11.7%). This reduction was mainly due to reduced heterosis for tiller number. The potential to develop pure lines with similar yield to the heterotic F1 hybrids was investigated using four hand-made hybrids and the commercial hybrid, Comet. Seventy five single seed descent derived F- (F6 in the case of Comet) lines were compared with their parents (except for Comet) and the F1 hybrid in replicated hill plots. Significant high-parent heterosis up to 15.1% for grain yield was observed for the hand-made hybrids. Estimation of heterosis for Comet was not possible because of the unavailability of its parents. All crosses produced pure lines which yielded similarly to their Fi hybrid indicating that pure lines of equivalent yield to the heterotic Fi could be developed by conventional breeding. There was no consistent pattern amongst the pure lines as to how they achieved their yield via their components. Optimal plant height was in the range of 70-90 cm, i.e., semidwarf types, for all crosses. The results of the experiments conducted indicate that although considerable and stable levels of heterosis were observed, pure lines of comparable yield to the hybrids could be produced. The decision to breed hybrids as opposed to breeding pure lines would appear therefore to depend on commercial rather than scientific considerations.
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Collin, François. "The tolerance of wheat (Triticum aestivum L.) to Septori tritici blotch." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49156/.

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The Septoria tritici blotch disease (STB, pathogen Zymoseptoria tritici) is the most damaging foliar infection of wheat crops in Europe. Disease management strategies include cultivar resistance, disease escape strategy and fungicides. However, these strategies have failed to provide a complete protection of wheat crops. The STB tolerance is a complementary approach which aims to maintain yield in the presence of the symptoms. The tolerance of STB relies on plant physiology and source/sink balance: the sink demand (the grain growth) must be satisfied in spite of reduced source availability (photosynthetic capacity as affected by the STB symptoms on the leaves). The green canopy area, the senescence timing and the grain yield components are interesting potential sources of tolerance that were studied in this project. A data-mining study, one glasshouse experiment and two field experiments were carried out providing complementary insights on STB tolerance mechanisms. The genotype/environment interaction effects on tolerance traits were investigated for two seasons five locations/nine cultivars datasets. The nitrogen nutrition and metabolism of four doubled-haploid (DH) lines contrasting for STB tolerance were examined in a controlled glasshouse experiment at UMR ECOSYS (INRA,AgroParisTech) Grignon, France. The source/sink balance of six DH lines contrasting for STB tolerance was also examined according to their responses to a spikelet removal treatment, applied in a field experiment in Hereford, UK. Finally, a field experiment with two fungicide regimes (full disease control and non-target (STB) disease control) probed the STB tolerance of six modern UK winter wheat cultivars in Leicestershire, UK. The main objective was to verify identified potential STB tolerance traits in commercial cultivars. Putative STB tolerance traits have been identified such as the early heading date, the low degree of grain-source availability of healthy crops during the grain filling phase, the vertical canopy distribution favouring a relatively larger flag-leaf. Results showed these traits might be selectable in wheat breeding without a trade-off with the potential yield. Finally, the project also discussed the need for alternative STB tolerance quantification methods, as well as the importance of environmental variations which have to be taken into account to study genetic variation in tolerance, but which could also be used to discriminate tolerant environment.
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Zainuddin. "Genetic transformation of wheat (Triticum aestivum L.)." Title page, Contents and Abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09APSP/09apspz21.pdf.

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Bibliography: leaves 127-151. The successful application of genetic engineering in wheat is dependent on the availability of suitable tissue culture and transformation methods. The primary object of this project was the development of these technologies using elite Australian wheat varieties.
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Lewis, Rebecca Sian. "Charcterising mismatch repair in wheat (triticum aestivum)." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.681489.

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To meet the nutritional requirements of a growing population, world agricultural output must increase by 70-100% by 2050. However, worldwide wheat yields are close to reaching a 'glass ceiling'. In order to meet the challenges of a rapidly growing population, scarcity of resources and a trend toward high-protein diets, traditional agriculture has looked towards molecular biology for insight and innovation for the future. Studying the mechanisms underlying DNA damage and repair is crucially important to facilitating generation of novel variation and developing breeding techniques. The Mismatch Repair (MMR) system is a highly-conserved series of pathways responsible for maintaining genomic integrity in prokaryotes and eukaryotes. The constituent proteins repair DNA mismatches and prevent meiotic recombination between homoeologous sequences. Work in Arabidopsis, tobacco and tomato has shown that plants with an impaired MMR system accumulate point mutations and undergo increased homoeologous recombination, which may be useful in breeding programs. Two key MMR genes are explored: MutS Homologue 2 (MSH2) acts as a heterodimer with MSH3, MSH6 or MSH7 to detect point mutations, insertions and deletions. Post Meiotic Segregation increased 2 (PMS2) is a homologue of the MutL gene, which co-ordinates repair of mismatches. The two genes were cloned and sequenced from elite cultivar Cadenza, and the sequences subsequently compared to next generation sequencing data from Chinese Spring. Three homoeologous copies of each gene were identified in the genome of wheat, and two of these were sequenced from the transcriptome. The expression of MSH2 was studied using qPCR in the transcriptome of Cadenza and four gamma-irradiated deletion lines, generated in a Paragon background. The four deletion lines showed varying responses: from down-regulation of MSH2 expression by 57% to upregulation by 82%. The expression of the individual homoeologues of MSH2 were also explored using a qPCR based method and by examining RNAseq data, but this was inconclusive.
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McNulty, Melissa S. "Preliminary characterization of wheat, Triticum aestivum , embryo globulins." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27392.

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The 7S globulins are a subclass of seed storage proteins characterized by their solubility in saline solution. These proteins are major legume storage reserves, and have been studied extensively; in the cereals, they represent a minor seed protein fraction and have been characterized to a lesser extent. Recently, a study associating a wheat 7S globulin, WP5212, with the development of type 1 diabetes in diabetes-prone rats, has renewed interest in this protein class. The present study aimed to better characterize the 7S globulins of wheat. The majority of the wheat embryo globulins were detected by anti-WP5212 polyclonal serum. These proteins varied significantly in their molecular masses and isoelectric points. Six major polypeptides were identified by mass spectrometry and/or N-terminal sequencing as belonging to the globulin 1 family. These results combined with prior studies have allowed the construction of a hypothetical model of the post-translational events contributing to the wheat 7S globulin profile in mature kernels.
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Jerkovic, Ante. "Proteomics of wheat bran (Triticum aestivum var. Babbler)." Australia : Macquarie University, 2006. http://hdl.handle.net/1959.14/43954.

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Thesis (MSc (Hons))--Macquarie University, Division of Environmental & Life Sciences, Dept. of Chemistry & Biomolecular Sciences, 2006.
Bibliography: leaves 153-158.
Wheat is a major crop in Australia with around 25 million tonnes of grain harvested in an average year. Improved wheat grain cultivars and wheat grain milling can result in higher biological yields and flour quality. The introduction covers the general aspects of the wheat grain from bran development and structure through to millings and the importance of flour quality in flour-based products. It also highlights the problem with bran contamination in flour during milling and other factors that may have an effect on flour quality. Proteomics was used to identify proteins in three separate bran tissue fractions: the inner fraction (aleurone), intermediate fraction (nucellar tissue, testa, tube cells and cross cells) and the outer faction (hypodermis and epidermis). The aim of the project was to identify proteins in bran tissue fractions which may potentially be useful in improvements in wheat quality for farmers and consumers and flour yield for millers. The results show that more than 80% of the identified proteins in the outer and intermediate tissue factions are defence-and stress-related proteins (chitinase, xylanase, thaumatin-like protein, wheatwin 1, lipid-transfer protein, oxalatae oxidase (OXO), polyphenol oxidase (PPO), peroxidase (POX)). Almost 60% of the proteins identified in the inner tissue fraction are 7S Globulin storage proteins and around 15% are protein synthesis-and energy-related. Water-soluble proteins were also identified and it was found that endochitinase, OXO, PPO and POX all leach out from the grain durings imbibition. This study has added to the knowledge of bran tissue-specific proteins and has broad implications for improving crop yield and flour quality.
Mode of access: World Wide Web.
xiii, 158 leaves ill
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Liu, Chunji. "Biochemical marker genes in hexaploid wheat, Triticum aestivum." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386183.

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Barbieri, Marciele. "Histopatologia da interação Triticum aestivum x Magnaporthe oryzae." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/184754.

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O trigo é o segundo cereal mais produzido no mundo, com significativo peso na economia agrícola global. No Brasil, o trigo é cultivado nas regiões Sul, Sudeste e Centro-Oeste. A brusone, conhecida pelos danos causados à cultura do arroz, também denominada de branqueamento das espigas, consiste em uma das principais doenças fúngicas presentes em trigo no Brasil. A partir dessa problemática na cultura do trigo buscou-se investigar a interação entre Triticum aestivum e o patógeno Magnaporthe oryzae utilizando como principal ferramenta de estudo a histopatologia. Foram investigadas as quatro cultivares de trigo Anahuac, BR18, BRS229 e Ônix. As plantas de trigo foram inoculadas na sexta (6ª) folha com o isolado de M. oryzae Py 145, oriundo do arroz, ajustada a concentração de esporos para 1 x 105 esporos por Ml. Após esse período, as plantas foram acondicionadas em uma câmara úmida, no escuro, por 24 horas. Amostras de segmentos de folhas de 2,5 cm cada foram imediatamente submetidas às reações de fixação e preparo para exame de microscopia de luz e fluorescência Os parâmetros avaliados foram germinação de esporos, formação de apressórios, penetração, formação de colônias, morte celular e formação de papilas nos tempos de coleta 6, 12, 18, 24, 36, 48 e 72 horas após a inoculação (hai). A análise estatística foi feita pelo Teste Exato de Fisher, com correções de Bonferroni. A germinação de esporos nas cultivares manteve-se constante a partir de 12 hai. Quanto à formação de apressórios, todas as cultivares produziram apressórios melanizados. A partir de 36 hai obteve-se uma elevação na infecção das células. Em 48 hai observou-se uma maior invasão das hifas infectivas sobre diversas células do hospedeiro, destacando-se um percentual elevado de formação de colônias na cultivar suscetível Anahuac, com 71%. A cultivar BR18 apresentou morte celular crescente para todos os horários, diferindo em 48 hai das demais cultivares para esse parâmetro. A cultivar Ônix foi a única a desenvolver papilas como estruturas de resistência em 72 hai. Os resultados deste trabalho sugerem a existência de resistência em trigo ao brusone, possivelmente com distintos mecanismos.
Wheat is the second most produced cereal in the world, with significant importance in the global agricultural economy. In Brazil, wheat is grown in the South, Southeast and Midwest. The production receives systematic strengthening of government agencies, since weather conditions are unfavorable to the crop. Blast, known for damage to rice crops, also called bleaching of ears, consists of a major fungal disease found in wheat in Brazil. The objective of this work is to investigate the interaction between Triticum aestivum and the pathogen Magnaporthe oryzae at histopathological level. The four wheat cultivars Anahuac, BR18, BRS229 and Ônix were investigated. Wheat plants were inoculated on their sixth leaves with the isolate Py 145, from rice, with a spore concentration adjusted to 1 x 105 spores per ml. After inoculation the plants were placed in a wet, dark chamber for 24 hours. Samples of leaf segments of 2.5 cm each were cut and fixed and prepared for light and fluorescence microscopy examination. The parameters evaluated were germination of spores, appressoria formation, penetration, colony formation, cell death and papillae formation. Statistical analysis used Fisher's exact test with Bonferroni corrections. The germination of spores in cultivars remained constant from 12 hai. All cultivars produced melanized appressoria. 48 hai there was a greater invasion of infective hyphae of different host cells, especially a high percentage of colonies formation in the susceptible cultivar Anahuac, with 71%. BR18 showed increased cell death in all times measured. Ônix was the only variety to develop papillae as resistance structures at 72 hai. The results of this work suggest the existence of resistance amongst wheat varieties and that their mechanisms are different from each other.
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Ihorai, Tania. "Etude de gènes codant des protéines du sustème thiorédoxine NADP-dépendant chez le blé." Montpellier 2, 1998. http://www.theses.fr/1998MON20120.

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Un gene tatrxh2 codant une thioredoxine $$ du ble tendre a ete isole par criblage de banque d'adn genomique et par acp. Sa structure est proche de celle des genes de thioredoxines $$ vegetales connues. La regulation spatio-temporelle de l'expression du gene tatrxh2 a ete etudiee par expression stable dans le riz et le gene gus codant la -glucuronidase a ete utilise comme gene rapporteur. Les tests fluorimetriques et histochimiques ont montre qu'au cours de la maturation, le promoteur a une activite faible exclusivement localisee dans le grain de riz au niveau de l'albumen amylace. Des deletions ont permis de delimiter des regions du promoteur impliquees dans l'expression tissulaire et temporelle du gene tatrxh2. Les sequences cis regulant l'expression dans le grain sont comprises dans les 288 pb en amont de l'atg et d'autres, permettant l'expression transitoire dans l'epithelium du scutellum sont presentes entre 1111 pb et 451 pb. Des sequences cis regulant l'expression temporelle du gene sont comprises dans les 451 pb en amont de l'atg. Cette etude suggere qu'au cours de la maturation du grain de ble, la thioredoxine $$ correspondante est accumulee dans l'albumen amylace en meme temps que les proteines de reserve dont elle pourrait assurer la reduction.
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10

Le, Guerroue Jean-Louis. "Caractérisation de farines de blé tendre turboséparées : Comparaison du comportement de leurs protéines dans la pâte, à celui des protéines du gluten et de farines de force." Nantes, 1991. http://www.theses.fr/1991NANT2028.

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L'enrichissement en proteines d'une farine par voie seche (turboseparation) s'accompagne de diverses modifications de celle-ci: granulometrie, teneur en lipides en amidon endommage. L'amelioration de la force boulangere d'une farine par incorporation de fraction surproteinee (mesuree par le w de l'alveographe) est relativement similaire a celle obtenue par addition soit de gluten, soit de farine de force. Il apparait cependant des differences d'extensibilite et de tenacite de la pate provenant de la nature meme de la fraction ameliorante. L'etude de l'extractibilite des proteines dans la pate en presence de divers composes actifs, montre que selon la farine amelioree consideree, il existe certaines differences d'extractibilite liees essentiellement a la nature des interactions s'etablissant entre les proteines. Nous ne pouvons cependant pas preciser qu'elle est l'influence des proteines des fractions ameliorantes par rapport aux proteines endogenes de la farine de base, dans l'etablissement de ces interactions. L'enrichissement en proteines d'une farine par turboseparation, confere a cette fraction surproteinee, de reelles capacites ameliorantes. Cependant, ce caractere ameliorant reste tout a fait dependant de l'origine genetique de la farine turboseparee
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Books on the topic "Triticum aestivum"

1

Fricke, Wieland. Charakterisierung des primären N-Metabolismus einer heterotrophen Zellsuspensionskultur von Triticum aestivum. Frankfurt/M: Wissenschafts-Verlag Dr. W. Maraun, 1991.

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Abdelkader, Amal Fadl. Salt stress in wheat (Triticum aestivum) and its impact on plastid development. Göteborg: Göteborg University, 2007.

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Grundas, Stanisław. Niektóre aspekty podatności ziarna pszenicy zwyczajnej (Triticum aestivum l.) na uszkodzenia mechaniczne. Wrocław: Zakład Narodowy im. Ossolińskich, 1987.

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Robert, Sattell, and Oregon State University. Extension Service., eds. Barley, oats, triticale, wheat (Hordeum vulgare, Avena sativa, Triticosecale X, Triticum aestivum). [Corvallis, Or.]: Oregon State University Extension Service, 1998.

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Saskia Maria van der Vies. Isolation and expression of a plastid alpha chaperonin cDNA sequence from "triticum aestivum". [s.l.]: typescript, 1989.

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Lebreton, Claude Maurice. A methodological study of comparative QTL mapping applied to common wheat (Triticum aestivum L.). Birmingham: University of Birmingham, 1999.

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Enery, Orla Eileen Mc. Fusarium head blight-causing species on spring and winter wheat (Triticum aestivum L.) in Ireland, 1997. Dublin: University College Dublin, 1998.

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Noonan, Michael Gerard. Agronomic and quality performance of variety mixtures in spring wheat (Triticum aestivum L.) under Irish conditions. Dublin: University College Dublin, 1995.

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Spendley, Phillip J. The isolation and examination of two alka-2, 4-dienal fungicidal compounds present in wheat (Triticum aestivum L.). Birmingham: University of Birmingham, 1990.

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Taillefer, Luc. Effects of chemical and physical treatments on the seed germination of Stevia rebaudiana, Triticum aestivum, avena nuda and Picea spp. Sudbury, Ont: Laurentian University, Department of Biology, 1994.

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Book chapters on the topic "Triticum aestivum"

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Lim, T. K. "Triticum aestivum." In Edible Medicinal And Non-Medicinal Plants, 385–415. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5653-3_20.

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Khare, C. P. "Triticum aestivum Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1674.

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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Triticum aestivum (Wheat)." In Encyclopedia of Plant Viruses and Viroids, 2586–612. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_963.

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Triticum aestivum L. Poaceae." In Ethnobotany of Mountain Regions, 1–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_290-1.

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Triticum aestivum L. Poaceae." In Ethnobotany of Mountain Regions, 1839–47. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28933-1_290.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, and David Tchelidze. "Triticum aestivum L. Triticum carthlicum Nevski Poaceae." In Ethnobotany of Mountain Regions, 1–19. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77088-8_136-2.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, and David Tchelidze. "Triticum aestivum L. Triticum carthlicum Nevski Poaceae." In Ethnobotany of Mountain Regions, 951–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28940-9_136.

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Ouasti, Mohammed, Mostafa Elachouri, and Rainer W. Bussmann. "Triticum aestivum L. Triticum durum Desf. Triticum monococcum L. Poaceae." In Ethnobotany of Mountain Regions, 1–20. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-13933-8_214-1.

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Vasil, Indra K., and Vimla Vasil. "Transgenic Cereals: Triticum aestivum (wheat)." In Molecular improvement of cereal crops, 133–47. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4802-3_6.

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Feldman, Moshe, and Avraham A. Levy. "Evolution of the Allopolyploid Species of the Sub-tribe Triticineae." In Wheat Evolution and Domestication, 555–604. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-30175-9_12.

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AbstractThe chapter describes the mode, time, and place of origin of the allopolyploids of the genus Triticum. In addition, genetic and epigenetic changes due to allopolyploidization that brought about to cytological diploidization (exclusive homologous chromosome pairing), are discussed within the chapter. The suppression of pairing between homoeologous chromosomes in hexaploid wheat Triticum aestivum by the Ph1 gene, its discovery, the induction of mutations in this gene, its isolation, the theories concerning its mode of its action, and its origin, are discussed in the chapter. Other pairing genes (suppressors and promoters) that exist in T. aestivum, and in its relatives are reviewed. The chapter also describes processes leading to genetic diploidization and subgenomic asymmetry in the control of various traits in allopolyploid wheats. Several aspects of evolution during the life of the allopolyploids are discussed too.
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Conference papers on the topic "Triticum aestivum"

1

"Molecular genetic analysis of alloplasmic recombinant lines (Triticum dicoccum) – Triticum aestivum." In Bioinformatics of Genome Regulation and Structure/ Systems Biology. institute of cytology and genetics siberian branch of the russian academy of science, Novosibirsk State University, 2020. http://dx.doi.org/10.18699/bgrs/sb-2020-218.

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"Photosynthesis of the isogenic lines Triticum aestivum L." In SYSTEMS BIOLOGY AND BIOINFORMATICS (SBB-2020). Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences., 2020. http://dx.doi.org/10.18699/sbb-2020-34.

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Rashid, Muhammad, Sana Kanwal, Sana Ghafar, Komal Nawwal, Sana Ajmal, and Saima Rasib. "Assessment of Soil Texture on Triticum aestivum Growth." In International Conference on Energy, Power and Environment. Basel Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/engproc2021012014.

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"Haploid biotechnology in the selection of Triticum aestivum L." In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, 2019. http://dx.doi.org/10.18699/plantgen2019-012.

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Mazina, A. B., N. I. Gazizova, A. G. Daminova, and F. V. Minibayeva. "Protein S-nitrosylation during induced autophagy in Triticum aestivum." In MODERN SYNTHETIC METHODOLOGIES FOR CREATING DRUGS AND FUNCTIONAL MATERIALS (MOSM2020): PROCEEDINGS OF THE IV INTERNATIONAL CONFERENCE. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0069510.

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CAO, HUI. "The grain protein turver atlas of hexaploid wheat Triticum aestivum." In ASPB PLANT BIOLOGY 2020. USA: ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1049097.

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Soran, M. L., O. Opriş, F. Copaciu, C. Varodi, and Mihaela D. Lazar. "Determination of flavonoids in Triticum aestivum L. treated with ampicillin." In PROCESSES IN ISOTOPES AND MOLECULES (PIM 2011). AIP, 2012. http://dx.doi.org/10.1063/1.3681963.

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Solonkina, A. D., A. A. Sakharov, O. E. Chepikova, N. V. Gorokhovets, A. V. Golovin, and A. A. Zamyatnin Jr. "IDENTIFICATION AND CHARACTERIZATION OF NOVEL WHEAT (TRITICUM AESTIVUM L.) GLUTENASES." In X Международная конференция молодых ученых: биоинформатиков, биотехнологов, биофизиков, вирусологов и молекулярных биологов — 2023. Novosibirsk State University, 2023. http://dx.doi.org/10.25205/978-5-4437-1526-1-128.

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Proteases that cleave immunogenic peptides of gluten, glutenases, can be used to improve the quality of life of celiac disease patients. The aim of this work was the search for new wheat glutenases and the study of their biochemical properties. We have studied autocatalytical activation and glutenase activity of two bacterially expressed wheat proteases.
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"Study of introgression lines of common wheat Triticum aestivum/Triticum miguschovae for resistance to leaf rust." In Current Challenges in Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences Novosibirsk State University, 2019. http://dx.doi.org/10.18699/icg-plantgen2019-17.

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Melnichuk, T., A. Egovtseva, S. Abdurashitov, E. Andronov, E. Abdurashitova, A. Radchenko, T. Ganotskaya, and L. Radchenko. "Changes in the taxonomic structure of the microbiome of chernozem southern of the rhizosphere Triticum aestivum L. under the influence of associative bacteria strains." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.167.

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The influence of strains associated with Triticum aestivum L. has been established on the taxonomic structure of the rhizosphere of the southern сhernozem of Crimean Steppe. Seventeen dominant families and 126 families with a minor share are defined in the prokaryotic biome.
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Reports on the topic "Triticum aestivum"

1

Daniel, Erica. Effect of vernalization on different varieties of soft red winter wheat (Triticum aestivum L.). Ames (Iowa): Iowa State University, May 2022. http://dx.doi.org/10.31274/cc-20240624-587.

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Georgieva, Kristiyana, Denitsa Teofanova, Lyuben Zagorchev, Nabil Abumhadi, and Mariela Odjakova. Comparative Study on Salt Stress Response of Common Wheat (Triticum aestivum: Poaceae) and Related Ancient Cereal Crops. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, January 2020. http://dx.doi.org/10.7546/crabs.2020.01.17.

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