Bibliografías temáticas / Wheat Disease and pest resistance

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Literatura académica sobre el tema "Wheat Disease and pest resistance"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 21 de febrero de 2023

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Artículos de revistas sobre el tema "Wheat Disease and pest resistance"

Bhatta, Madhav, Alexey Morgounov, Vikas Belamkar, Stephen N. Wegulo, Abdelfattah A. Dababat, Gül Erginbas-Orakci, Mustapha El Bouhssini, et al. "Genome-Wide Association Study for Multiple Biotic Stress Resistance in Synthetic Hexaploid Wheat." International Journal of Molecular Sciences 20, no. 15 (July 26, 2019): 3667. http://dx.doi.org/10.3390/ijms20153667.

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Genetic resistance against biotic stress is a major goal in many wheat breeding programs. However, modern wheat cultivars have a limited genetic variation for disease and pest resistance and there is always a possibility of the evolution of new diseases and pests to overcome previously identified resistance genes. A total of 125 synthetic hexaploid wheats (SHWs; 2n = 6x = 42, AABBDD, Triticum aestivum L.) were characterized for resistance to fungal pathogens that cause wheat rusts (leaf; Puccinia triticina, stem; P. graminis f.sp. tritici, and stripe; P. striiformis f.sp. tritici) and crown ro

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Karsou, B., and R. Samara. "Plant Extracts Inducing Enzyme Activity in Grains Against Loose Smut Disease." Scientia Agriculturae Bohemica 52, no. 3 (September 1, 2021): 49–59. http://dx.doi.org/10.2478/sab-2021-0006.

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Abstract This study investigated the role of endogenous Palestinian plant extracts in inducing wheat and barley resistance systems against loose smut disease with the aim to alternate the chemical pest control with natural fungicides. Twenty indigenous herbal plant extracts and essential oils were assessed for their biological and antifungal properties against Ustilago tritici and Ustilago nuda. Their potential role in inducing resistance pathways was studied on four different cultivars of wheat and barley. Two common enzyme indicators – guaiacol peroxidase (POX) and polyphenol oxidase (PPO) –

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Fedak, G. "Molecular aids for integration of alien chromatin through wide crosses." Genome 42, no. 4 (August 1, 1999): 584–91. http://dx.doi.org/10.1139/g99-046.

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Wide crosses in wheat have now been performed for over 100 years. In that time, approximately 100 genes have been transferred for numerous traits, including biotic and abiotic stresses and value-added traits. Resistance genes from alien sources do become defeated with time, so the search for additional variability must continue. Recent screening of alien species has identified accessions with multiple pest resistance plus combinations of pest resistance and value-added traits. The majority of existing induced recombinants are of a noncompensating type with considerable linkage drag, so sequent

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Krut’, M. V. "An overview of innovative developments from the scientific provision of plant selection to resistance to diseases and pests." Scientific Journal Grain Crops 5, no. 1 (2021): 23–29. http://dx.doi.org/10.31867/2523-4544/0154.

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The Institute of Plant Protection of NAAS developed methods of plant selection for resistance to major pathogens and assessment methodology the resistance of winter wheat, potatoes, clover and alfalfa to pests to create complex resistant varieties. Donors of potato resistance to cancer, Alternaria, Phomosis and cyst-forming nematodes were identified. Methods for determining the resistance of cereals to high and low temperatures were developed. A collection of the Aegilops biuncialis L. wild wheat samples as sources of new resistance genes to plant diseases and pests was compiled. The soft wint

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Altaf, Adil, Amir Zaman Shah, Sadia Gull, Shahid Hussain, Muhammad Faheem, Ad Al Amin Miah, and Xinkai Zhu. "Progress in modern crop science research in wheat biology." Journal of Global Innovations in Agricultural Sciences 10, no. 1 (March 28, 2022): 43–49. http://dx.doi.org/10.22194/jgias/10.953.

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Every crop breeding effort seeks to enhance production. Despite several advances, most worldwide breeding efforts have long sought to improve grain production potential, insect/pest/disease resistance, grain quality, and stress tolerance. Almost all wheat breeding programs aim to increase grain yield potential. Wheat breeders have achieved substantial improvements in crop yield. Genetic transformation, cloning, and genetic engineering increase production potential in wheat. The primary breeding strategy for wheat is the pedigree. However, hybrids and population improvement are also utilized. B

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Jauhar, Prem P., and Ravindra N. Chibbar. "Chromosome-mediated and direct gene transfers in wheat." Genome 42, no. 4 (August 1, 1999): 570–83. http://dx.doi.org/10.1139/g99-045.

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Wild grasses, including relatives of wheat, have several desirable characters that can be introduced into both bread wheat and durum wheat. Since current wheat cultivars lack certain traits, for example, resistance to fusarium head blight (scab), related wild grasses may be the only option for useful variability. Wide hybridization of wheat with grasses, coupled with cytogenetic manipulation of the hybrid material, has been instrumental in the genetic improvement of wheat. Chromosome engineering methodologies, based on the manipulation of pairing control mechanisms and induced translocations,

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Gaurav, Kumar, Sanu Arora, Paula Silva, Javier Sánchez-Martín, Richard Horsnell, Liangliang Gao, Gurcharn S. Brar, et al. "Population genomic analysis of Aegilops tauschii identifies targets for bread wheat improvement." Nature Biotechnology 40, no. 3 (November 1, 2021): 422–31. http://dx.doi.org/10.1038/s41587-021-01058-4.

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AbstractAegilops tauschii, the diploid wild progenitor of the D subgenome of bread wheat, is a reservoir of genetic diversity for improving bread wheat performance and environmental resilience. Here we sequenced 242 Ae. tauschii accessions and compared them to the wheat D subgenome to characterize genomic diversity. We found that a rare lineage of Ae. tauschii geographically restricted to present-day Georgia contributed to the wheat D subgenome in the independent hybridizations that gave rise to modern bread wheat. Through k-mer-based association mapping, we identified discrete genomic regions

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Kozub, N. A., I. A. Sozinov, A. Ya Bidnyk, N. A. Demianova, Ya B. Blume, and A. A. Sozinov. "Development of common wheat lines with the recombinant arm 1RS as a source of new combinations of disease and pest resistance genes." Interdepartmental Thematic Scientific Collection of Plant Protection and Quarantine, no. 62 (September 3, 2016): 143–50. http://dx.doi.org/10.36495/1606-9773.2016.62.143-150.

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A combination of recombinant-inbred lines of the F6 generation from the cross B-16 ќ AR 7086 between lines with two wheat-rye translocations, 1BL/1RS from the Petkus and 1AL/1RS from the rye Insave, was developed. Using gliadin and secalin loci as genetic markers we identified recombinant arm 1RS in positions 1A and 1B in about 10% of lines. The rest of lines with the rye material may also carry recombinant 1RS, which can be identified with DNA markers. Lines with recombinant arm 1RS may serve as a source of new combination of rye genes for disease and pest resistance.

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Junker, Yvonne, Sebastian Zeissig, Seong-Jun Kim, Donatella Barisani, Herbert Wieser, Daniel A. Leffler, Victor Zevallos, et al. "Wheat amylase trypsin inhibitors drive intestinal inflammation via activation of toll-like receptor 4." Journal of Experimental Medicine 209, no. 13 (December 3, 2012): 2395–408. http://dx.doi.org/10.1084/jem.20102660.

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Ingestion of wheat, barley, or rye triggers small intestinal inflammation in patients with celiac disease. Specifically, the storage proteins of these cereals (gluten) elicit an adaptive Th1-mediated immune response in individuals carrying HLA-DQ2 or HLA-DQ8 as major genetic predisposition. This well-defined role of adaptive immunity contrasts with an ill-defined component of innate immunity in celiac disease. We identify the α-amylase/trypsin inhibitors (ATIs) CM3 and 0.19, pest resistance molecules in wheat, as strong activators of innate immune responses in monocytes, macrophages, and dendr

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Morgounov, Alexey, Aygul Abugalieva, Kadir Akan, Beyhan Akın, Stephen Baenziger, Madhav Bhatta, Abdelfattah A. Dababat, et al. "High-yielding winter synthetic hexaploid wheats resistant to multiple diseases and pests." Plant Genetic Resources: Characterization and Utilization 16, no. 3 (May 12, 2017): 273–78. http://dx.doi.org/10.1017/s147926211700017x.

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AbstractDevelopment of winter wheat (Triticum aestivum) synthetics started at CIMMYT-Mexico in 2004, when winter durum wheat (Triticum turgidum) germplasm from Ukraine and Romania was crossed with Aegilops tauschii accessions from the Caspian Sea region. Chromosomes were doubled after pollination and embryo rescue, but chromosome number and cytological validation was not performed. F2 populations were grown in Mexico and were shipped to Turkey in 2008. During 2009–2015, these populations were subjected to rigorous pedigree selection under dry, cold, disease-affected environments of the Central

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Tesis sobre el tema "Wheat Disease and pest resistance"

Golegaonkar, Prashant G. "Genetic and molecular analysis of resistance to rust diseases in barley." Thesis, The University of Sydney, 2007. http://hdl.handle.net/2123/3549.

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The responses of 92 barley genotypes to selected P. hordei pathotypes was assessed in greenhouse tests at seedling growth stages and in the field at adult plant growth stages to determine known or unknown resistances. On the basis of multipathotype tests, 35 genotypes were postulated to carry Rph2, Rph4, Rph5, Rph12, RphCantala alone or combinations of Rph2 + Rph4 and Rph1 + Rph2, whereas 52 genotypes lacked detectable seedling resistance to P. hordei. Five genotypes carried seedling resistance that was effective to all pathotypes tested, of which four were believed to carry uncharacterised re

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Golegaonkar, Prashant G. "Genetic and molecular analysis of resistance to rust diseases in barley." University of Sydney, 2007. http://hdl.handle.net/2123/3549.

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Doctor of Philosophy<br>The responses of 92 barley genotypes to selected P. hordei pathotypes was assessed in greenhouse tests at seedling growth stages and in the field at adult plant growth stages to determine known or unknown resistances. On the basis of multipathotype tests, 35 genotypes were postulated to carry Rph2, Rph4, Rph5, Rph12, RphCantala alone or combinations of Rph2 + Rph4 and Rph1 + Rph2, whereas 52 genotypes lacked detectable seedling resistance to P. hordei. Five genotypes carried seedling resistance that was effective to all pathotypes tested, of which four were believed to

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Wilkes, Meredith Ann. "The Role Of Hydroxamic Acids In Take-all Resistance." Thesis, The University of Sydney, 1997. https://hdl.handle.net/2123/27618.

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The occurrence of hydroxamic acids (Hx) and their affects on take-all have been investigated in this study. An improved HPLC procedure for the separation and quantification of Hx in wheat, rye and triticale roots was established. This method completely separated 2,4-Dihydroxy—1,4— benzoxazin—3-one (DIBOA), 2 , 4-Dihydroxy - 7- methoxy - 1 4- benzoxazin -3-one (DIMBOA), 2(3)-benzoxazolinone (BOA) and 6- methoxybenzoxazolinone (MBOA) within 17 min. DIMBOA was the only Hx found in wheat roots, whereas both DIMBOA and DIBOA were present in the roots of triticale and rye. The Hx content o

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Wellings, Colin Ross. "Host: pathogen studies of wheat stripe rust in Australia." Thesis, Department of Agricultural Genetics and Biometry, 1986. http://hdl.handle.net/2123/14544.

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Horn, Marizanne. "Transfer of genetic resistance to the Russian wheat aphid from rye to wheat." Thesis, Stellenbosch : Stellenbosch University, 1997. http://hdl.handle.net/10019.1/55770.

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Thesis (MSc.) -- Stellenbosch University, 1997.<br>ENGLISH ABSTRACT: An octoploid triticale was derived from the F1 of a Russian wheat aphid resistant rye, 'Turkey 77', and 'Chinese Spring' wheat. The alloploid was crossed (a) to common wheat, and (b) to the 'Imperial' rye to 'Chinese Spring' disomic addition lines. F2 progeny from these crosses were tested for Russian wheat aphid resistance and C-banded. Resistance was found to be associated with chromosome arm 1RS of the 'Turkey 77' rye genome. This initial work was done by MARAIS (1991) who made a RWA resistant, monotelosomic 1RS (

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Galagedara, Nelomie Nayanathara. "Identification of Quantitative Trait Loci for Resistance to Tan Spot in Durum Wheat." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/28765.

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Tan spot, caused by Pyrenophora tritici-repentis (Ptr), is a major foliar disease on wheat. The pathosystem involves three pairs of necrotrophic effector (NE) and host sensitivity (S) gene interactions, namely Ptr ToxA-Tsn1, Ptr ToxB-Tsc2 and Ptr ToxC-Tsc1. Additionally, genetic factors conferring race-nonspecific resistance have been identified. The objectives of this study were to map tan spot resistance QTL and investigate the role of NE-S interactions in disease in durum using association and bi-parental mapping. Evaluation of a worldwide collection of durum accessions allowed identifying

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Njom, Henry Akum. "Mechanism and synchronicity of wheat (Triticum aestivum) resistance to leaf rust (Puccinia triticina) and Russian wheat aphid (Duiraphis noxia) SA1." Thesis, University of Fort Hare, 2016. http://hdl.handle.net/10353/2700.

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Wheat (Triticum aestivum and T. Durum) is an extremely important agronomic crop produced worldwide. Wheat consumption has doubled in the last 30 years with approximately 600 million tons consumed per annum. According to the International Maize and Wheat Improvement Center, worldwide wheat demand will increase over 40 percent by 2020, while land as well as resources available for the production will decrease significantly if the current trend prevails. The wheat industry is challenged with abiotic and biotic stressors that lead to reduction in crop yields. Increase knowledge of wheat’s biochemi

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Ramburan, Viresh Premraj. "Genetic mapping of adult plant stripe rust resistance in the wheat cultivar Kariega." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53438.

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Thesis (PhD (Agric)) -- Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: Stripe (yellow) rust of wheat, caused by Puccinia striiformis f.sp. tritici, was first detected as a single introduction into South Africa in 1996. Two additional pathotypes have since been identified. Control of the disease may be achieved by use of genetic adult plant resistance (APR) as is present in the local cultivar 'Kariega'. The aim of this project was to understand the genetic basis of the APR in 'Kariega' to facilitate breeding of new varieties with genetic resistance to stripe rust. A partial linkage

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Bierman, Anandi. "Mapping and survey sequencing of Dn resistance genes in Triticum aestivum L." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96912.

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Thesis (PhD)--Stellenbosch University, 2015<br>ENGLISH ABSTRACT : Diuraphis noxia Kurdjumov (Russian Wheat Aphid; RWA) is a pest of wheat and barley that has spread from its home range in the fertile crescent to most wheat producing countries except Australia. Since its first introduction to South Africa and the USA in the late 20th century, breeding programs for wheat phenotypes resistant to the aphid were put in place. Conventional breeding practices rely on phenotypic screening to verify traits carried by offspring and genetic tools such as marker assisted selection (MAS) have greatly aide

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Khan, Imtiaz Ahmed. "Utilisation of molecular markers in the selection and characterisation of wheat-alien recombiant chromosomes." Title page, contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phk451.pdf.

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Bibliography: leaves 137-163. his is a comprehensive study of induced homoeologous recombination along most of the complete genetic length of two homoeologous chromosomes in the Triticeae (7A of common wheat and 7Ai of Agropyron intermedium), using co-dominant DNA markers. Chromosome 7Ai was chosen as a model alien chromosome because is has been reported to carry agronomically important genes conferring resistance to stem rust and barley yellow dwarf virus on its short and long arms, respectively.

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Libros sobre el tema "Wheat Disease and pest resistance"

Sharma, Indu. Disease resistance in wheat. Wallingford, Oxfordshire, UK: CABI, 2012.

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Forsström, Per-Olov. Broadening of mildew resistance in wheat. Alnarp: Swedish University of Agricultural Sciences, 2002.

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The wheat rusts: Breeding for resistance. Berlin: Springer-Verlag, 1989.

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Stem rust of wheat: From ancient enemy to modern foe. St. Paul, Minn: APS Press, 2001.

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Marasas, C. N. The economic impact in developing countries of leaf rust resistance breeding in CIMMYT-related spring bread wheat. México, D.F., México: CIMMYT, 2004.

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Horst, Mielke. Untersuchungen über Fusarium culmorum (W.G.Sm.) Sacc. als Fuss- und Ährenkrankheitserreger beim Weizen. Berlin: Kommissionsverlag P. Parey, 1988.

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International Wheat Conference (7th Mar del Plata, Argentina 2005). Wheat production in stressed environments: Proceedings of the 7th International Wheat Conference, 27 November - 2 December 2005, Mar del Plata, Argentina. Dordrecht, the Netherlands: Springer, 2007.

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Sharma, I., ed. Disease resistance in wheat. Wallingford: CABI, 2012. http://dx.doi.org/10.1079/9781845938185.0000.

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1960-, Parker Jane, ed. Molecular aspects of plant disease resistance. Ames, Iowa: Blackwell, 2008.

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Rosenthal, Ed. Marijuana pest and disease control. Oakland, CA: Quick American, 2012.

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Capítulos de libros sobre el tema "Wheat Disease and pest resistance"

Ayliffe, Michael, Ming Luo, Justin Faris, and Evans Lagudah. "Disease Resistance." In Wheat Improvement, 341–60. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90673-3_19.

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AbstractWheat plants are infected by diverse pathogens of economic significance. They include biotrophic pathogens like mildews and rusts that require living plant cells to proliferate. By contrast necrotrophic pathogens that cause diseases such as tan spot, Septoria nodurum blotch and spot blotch require dead or dying cells to acquire nutrients. Pioneering studies in the flax plant-flax rust pathosystem led to the ‘gene-for-gene’ hypothesis which posits that a resistance gene product in the host plant recognizes a corresponding pathogen gene product, resulting in disease resistance. In contrast, necrotrophic wheat pathosystems have an ‘inverse gene-for-gene’ system whereby recognition of a necrotrophic fungal product by a dominant host gene product causes disease susceptibility, and the lack of recognition of this pathogen molecule leads to resistance. More than 300 resistance/susceptibility genes have been identified genetically in wheat and of those cloned the majority encode nucleotide binding, leucine rich repeat immune receptors. Other resistance gene types are also present in wheat, in particular adult plant resistance genes. Advances in mutational genomics and the wheat pan-genome are accelerating causative disease resistance/susceptibility gene discovery. This has enabled multiple disease resistance genes to be engineered as a transgenic gene stack for developing more durable disease resistance in wheat.

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Mottaleb, Khondoker Abdul. "Impacts of Transboundary Crop Diseases on Sustainable Crop Production: The Case of Maize Lethal Necrosis (MLN) in Africa." In Emerging-Economy State and International Policy Studies, 163–79. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5542-6_13.

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AbstractMore than half of the world’s population relies on wheat, maize, and rice for their daily dietary energy. In 2019, the daily per person average calorie intake was 2,963 kilocalories (kcal), in which the share was more than 18.2% (538 kcal) for wheat, 5.4% (159 kcal) for maize, and 18.3% (542 kcal) for rice. It is projected that by 2050, the total global population is expected to reach between 8.9 and 10.6 billion from 7.8 billion in 2020. Thus, it will be imperative to produce more wheat, maize, and rice to ensure the food security of the world’s burgeoning population. While it is imperative to produce more food, the emergence and re-emergence of lethal crop diseases and their spread from the epicenters to new regions continuously threaten crop yield, farmers’ income, and the world’s food security. For example, the emergence of maize lethal necrosis (MLN) in Africa has generated a credible threat to global and African food security. This study quantified MLN-induced maize production loss in Kenya, DR Congo, and Tanzania. Applying the time-series projection method, this study estimates that the loss in maize production due to MLN was 442 thousand tons in Kenya, nearly 12 thousand tons in DR Congo, and 663 thousand tons in Tanzania. As more pest- and disease-related crop losses are expected due to the changes in global climate, this study concludes by suggesting that it is imperative to invest more in research and development of disease-resistant crop varieties globally to ensure food and nutrition security, particularly in the global south.

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Johnson, R., and F. G. H. Lupton. "Breeding for disease resistance." In Wheat Breeding, 369–424. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3131-2_13.

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Tadesse, Wuletaw, Marion Harris, Leonardo A. Crespo-Herrera, Body Mori, Zakaria Kehel, and Mustapha El Bouhssini. "Insect Resistance." In Wheat Improvement, 361–78. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90673-3_20.

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AbstractStudies to-date have shown the availability of enough genetic diversity in the wheat genetic resources (land races, wild relatives, cultivars, etc.) for resistance to the most economically important insect pests such as Hessian fly, Russian wheat aphid, greenbug, and Sun pest. Many R genes – including 37 genes for Hessian fly, 11 genes for Russian wheat aphid and 15 genes for greenbug – have been identified from these genetic resources. Some of these genes have been deployed singly or in combination with other genes in the breeding programs to develop high yielding varieties with resistance to insects. Deployment of resistant varieties with other integrated management measures plays key role for the control of wheat insect pests.

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Gupta, A. K., and R. G. Saini. "Leaf Rust Resistance in Wheat." In Durability of Disease Resistance, 235–37. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2004-3_25.

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Zhang, H. S., R. E. Niks, R. G. Dekens, and H. H. Lubbers. "Inheritance of Resistance to Wheat Leaf Rust (Puccinia Recondita) in four Accessions of Diploid Wheat." In Durability of Disease Resistance, 358. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2004-3_83.

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McIntosh, R. A., C. R. Wellings, and R. F. Park. "Wheat Rusts and the Genetic Bases of Disease Resistance." In Wheat Rusts, 1–28. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0083-0_1.

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Bartoš, P., E. Stuchlíková, and R. Hanušová. "Durability of Wheat Disease Resistance in Czechoslovakia." In Durability of Disease Resistance, 307. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2004-3_35.

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Van Silfhout, C. H. "Durable Resistance in the Pathosystem: Wheat — Stripe Rust." In Durability of Disease Resistance, 135–45. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2004-3_11.

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Broers, L. H. M. "Breeding for Partial Resistance in Wheat to Stripe Rust." In Durability of Disease Resistance, 179–83. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2004-3_14.

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Actas de conferencias sobre el tema "Wheat Disease and pest resistance"

"Using synthetic forms of RS5 and RS7 to expand the genetic diversity of common wheat for disease resistance." In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Novosibirsk ICG SB RAS 2021, 2021. http://dx.doi.org/10.18699/plantgen2021-036.

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Novikova, I. I., E. V. Popova, L. E. Kolesnikov, and Yu R. Kolesnikova. "Influence of biologicals on photosynthetic pigments in wheat leaves." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.185.

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Multifunctional biological products based on strains of microorganisms that are antagonists of pathogens and plant disease resistance activators - chitosan and its derivatives increase the content of chlorophyll α and b in flag leaves of wheat, the number and weight of grains in the ear, potential yield, and also reduce the development of yellow rust. The maximum biological effectiveness for these indicators was noted in the experimental version, where Bacillus subtilis VKM B-2604D and B. subtilis VKM B-2605D strains that are part of the Vitaplan biological product and chitosan salicylate (Chi

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STRAZDINA, Vija, Valentina FETERE, Liga FEODOROVA-FEDOTOVA, Janis JASKO, and Olga TREIKALE. "REACTION OF WINTER WHEAT GENOTYPES ON THE YELLOW (STRIPE) RUST PUCCINIA STRIIFORMIS, WES." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.124.

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Yellow rust, caused by Puccinia striiformis Wes. is one of the most significant diseases constraint to winter wheat production in the world. Since 2011 in Europe have appeared distinct new races – Warrior, Kranich, Warrior (-) that have caused wide epidemics on different cultivars of wheat. Grain yield losses can be prevented by using a combination of varietal resistance and fungicides. Information on wheat variety susceptibility to local yellow (stripe) rust Puccinia striiformis Wes. races can help to reduce the risk of yield losses in high disease pressure situations. Field trials with eight

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Sasco, Elena. "Efectele genetice implicate în răspunsul grăului comun la filtratul de cultură Drechslera sorokiniana (SACC.) subram." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.71.

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Helminthosporiosis caused by the fungus Drechslera sorokiniana (Sacc.) causes significant crop and quality losses to Triticum aestivum L. in agroecological conditions with extreme humidity. Increasing the resistance is considered the most cost-effective and sustainable approach to disease control. The aim of this study was to determine the genetic effects involved in the inheritance of resistance, using the ge-netic model of character reproduction in descendants of wheat. Generations F1, F2, BCP1 and BCP2, de-scended from the mutual crossing of the parents Basarabeanca / Moldova 30 and Moldova

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Eynck, Christina. "Camelina breeding and development- a Canadian perspective." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/bsmv8815.

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Climate change is predicted to have a more profound impact on the Canadian Prairies compared to other regions in the world, with higher relative temperatures, longer periods of water stress and increased frequency of droughts. Camelina sativa (camelina) is a promising alternative, climate-resilient oilseed that could become part of a Canadian strategy to battle climate change and its detrimental effects on agriculture. Albeit currently a small crop, camelina has enormous potential for growth: favorable agronomics, like early maturity, frost and drought tolerance, pest and disease resistance, a

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Informes sobre el tema "Wheat Disease and pest resistance"

Sela, Hanan, Eduard Akhunov, and Brian J. Steffenson. Population genomics, linkage disequilibrium and association mapping of stripe rust resistance genes in wild emmer wheat, Triticum turgidum ssp. dicoccoides. United States Department of Agriculture, January 2014. http://dx.doi.org/10.32747/2014.7598170.bard.

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The primary goals of this project were: (1) development of a genetically characterized association panel of wild emmer for high resolution analysis of the genetic basis of complex traits; (2) characterization and mapping of genes and QTL for seedling and adult plant resistance to stripe rust in wild emmer populations; (3) characterization of LD patterns along wild emmer chromosomes; (4) elucidation of the multi-locus genetic structure of wild emmer populations and its correlation with geo-climatic variables at the collection sites. Introduction In recent years, Stripe (yellow) rust (Yr) caused

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Breiman, Adina, Jan Dvorak, Abraham Korol, and Eduard Akhunov. Population Genomics and Association Mapping of Disease Resistance Genes in Israeli Populations of Wild Relatives of Wheat, Triticum dicoccoides and Aegilops speltoides. United States Department of Agriculture, December 2011. http://dx.doi.org/10.32747/2011.7697121.bard.

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Wheat is the most widely grown crop on earth, together with rice it is second to maize in total global tonnage. One of the emerging threats to wheat is stripe (yellow) rust, especially in North Africa, West and Central Asia and North America. The most efficient way to control plant diseases is to introduce disease resistant genes. However, the pathogens can overcome rapidly the effectiveness of these genes when they are wildly used. Therefore, there is a constant need to find new resistance genes to replace the non-effective genes. The resistance gene pool in the cultivated wheat is depleted a

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Fahima, Tzion, and Jorge Dubcovsky. Map-based cloning of the novel stripe rust resistance gene YrG303 and its use to engineer 1B chromosome with multiple beneficial traits. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598147.bard.

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Research problem: Bread wheat (Triticumaestivum) provides approximately 20% of the calories and proteins consumed by humankind. As the world population continues to increase, it is necessary to improve wheat yields, increase grain quality, and minimize the losses produced by biotic and abiotic stresses. Stripe rust, caused by Pucciniastriiformisf. sp. tritici(Pst), is one of the most destructive diseases of wheat. The new pathogen races are more virulent and aggressive than previous ones and have produced large economic losses. A rich source for stripe-rust resistance genes (Yr) was found in w

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Crowley, David E., Dror Minz, and Yitzhak Hadar. Shaping Plant Beneficial Rhizosphere Communities. United States Department of Agriculture, July 2013. http://dx.doi.org/10.32747/2013.7594387.bard.

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PGPR bacteria include taxonomically diverse bacterial species that function for improving plant mineral nutrition, stress tolerance, and disease suppression. A number of PGPR are being developed and commercialized as soil and seed inoculants, but to date, their interactions with resident bacterial populations are still poorly understood, and-almost nothing is known about the effects of soil management practices on their population size and activities. To this end, the original objectives of this research project were: 1) To examine microbial community interactions with plant-growth-promoting r

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Steffens, John C., and Eithan Harel. Polyphenol Oxidases- Expression, Assembly and Function. United States Department of Agriculture, January 1995. http://dx.doi.org/10.32747/1995.7571358.bard.

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Polyphenol oxidases (PPOs) participate in the preparation of many plant products on the one hand and cause considerable losses during processing of plant products on the other hand. However, the physiological functions of plant PPO were still a subject of controversy at the onset of the project. Preliminary observations that suggested involvement of PPOs in resistance to herbivores and pathogens held great promise for application in agriculture but required elucidation of PPO's function if modulation of PPO expression is to be considered for improving plant protection or storage and processing

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