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Relevant bibliographies by topics / Stalk rot

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Academic literature on the topic 'Stalk rot'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 June 2025

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Journal articles on the topic "Stalk rot"

1

Xue, Jun, Shang Gao, Liangyu Hou, et al. "Physiological Influence of Stalk Rot on Maize Lodging after Physiological Maturity." Agronomy 11, no. 11 (2021): 2271. http://dx.doi.org/10.3390/agronomy11112271.

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The stalk lodging caused by stalk rot after physiological maturity (PM) is a major factor restricting further development of mechanical grain harvesting in China. The physiological mechanism of stalk rot on maize stalk lodging after PM is not clear. This study, based on investigating stalk rot under natural field conditions, demonstrated the relation between stalk rot caused by Fusarium spp. and lodging of 35 maize cultivars after PM. In addition, three widely-planted maize cultivars were inoculated with Fusarium spp. at PM to analyze the pathogen of stalk rot causing lodging, by measuring the

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Gatch, E. W., and G. P. Munkvold. "Fungal Species Composition in Maize Stalks in Relation to European Corn Borer Injury and Transgenic Insect Protection." Plant Disease 86, no. 10 (2002): 1156–62. http://dx.doi.org/10.1094/pdis.2002.86.10.1156.

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The maize stalk rot complex is comprised of several fungal pathogens, including Gibberella zeae, Colletotrichum graminicola, Stenocarpella maydis, and several members of the genus Fusarium. The European corn borer (ECB) (Ostrinia nubilalis) can contribute to stalk rot development by creating entry wounds and by serving as a vector of some stalk rot pathogens, particularly Fusarium verticillioides. Transgenic insect protection of maize hybrids with insecticidal proteins derived from Bacillus thuringiensis greatly reduces ECB injury and may therefore alter the species composition and diversity o

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Kang, M. S. "A comparative study of pith cell death in stalk internodes of corn grown on organic and conventional fields." American Journal of Alternative Agriculture 1, no. 4 (1986): 165–68. http://dx.doi.org/10.1017/s0889189300001259.

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AbstractA few farmers in the Midwest produce corn (Zea mays L.) commercially by using organic methods, i.e., use no synthetic fertilizers or pesticides. Studies have been conducted previously on organic vs. conventional fields to compare yield, soil properties, stalk lodging and rot, and crude protein. However, pith cell death in stalk internodes, an important trait related to stalk lodging and stalk rot, has not been studied previously under organic and conventional management systems. Fertility differences exist between organically-managed and conventionally-managed fields which can influenc

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Li, Lina, Qing Qu, Zhiyan Cao, et al. "The Relationship Analysis on Corn Stalk Rot and Ear Rot According to Fusarium Species and Fumonisin Contamination in Kernels." Toxins 11, no. 6 (2019): 320. http://dx.doi.org/10.3390/toxins11060320.

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Fusarium diseases, including corn root rot, sheath rot, stalk rot, and ear rot are frequently occurring in maize producing areas of China. Fusarium stalk rot and ear rot are the most serious diseases and often occur at the same time, but it is unclear whether there is a correlation between Fusarium composition and disease occurrence. This study was conducted to clarify the relationship between the two diseases. A total of 49 corn stalk rot samples were collected from 15 regions of eight provinces in China from 2016 to 2018. The pathogens were isolated and identified separately from stalks, ear

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Quesada-Ocampo, L. M., J. Al-Haddad, A. C. Scruggs, C. R. Buell, and F. Trail. "Susceptibility of Maize to Stalk Rot Caused by Fusarium graminearum Deoxynivalenol and Zearalenone Mutants." Phytopathology® 106, no. 8 (2016): 920–27. http://dx.doi.org/10.1094/phyto-09-15-0199-r.

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Fusarium graminearum is a destructive pathogen of cereals that can cause stalk rot in maize. Stalk rot results in yield losses due to impaired grain filling, premature senescence, and lodging, which limits production and harvesting of ears. In addition, mycotoxins can make infected tissues unfit for silage. Our objectives were to evaluate the natural variation in stalk rot resistance among maize inbreds, to establish whether deoxynivalenol (DON)- and zearalenone (ZEA)-deficient strains are pathogenic on a panel of diverse inbreds, and to quantify the accumulation of DON in infected stalk tissu

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Dalmacio, Samuel C., Tomas R. Lugod, Emmanuel M. Serrano, and Gary P. Munkvold. "Reduced Incidence of Bacterial Rot on Transgenic Insect-Resistant Maize in the Philippines." Plant Disease 91, no. 4 (2007): 346–51. http://dx.doi.org/10.1094/pdis-91-4-0346.

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In the Philippines and parts of Southeast Asia, Asian corn borer (Ostrinia furnacalis) is a serious pest of maize, and injury from this insect often is associated with the occurrence of bacterial stalk and ear rot (caused by Erwinia chrysanthemi pv. zeae). The effect of transgenic insect protection on the incidence of bacterial stalk and ear rot was studied in the Philippines with seven field trials in Mindanao and two trials in Laguna. Three transgenic hybrids (expressing Bt protein Cry1Ab) and their conventional near-isogenic counterparts were included in Mindanao, and one transgenic/convent

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Wilson, J. P. "Fungi Associated with the Stalk Rot Complex of Pearl Millet." Plant Disease 86, no. 8 (2002): 833–39. http://dx.doi.org/10.1094/pdis.2002.86.8.833.

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Stalk rot is frequently observed in maturing, rust-infected pearl millet (Pennisetum glaucum). Fungi were isolated from internal stalk tissue, and their association with node discoloration and rust infection at different stages of plant maturity was determined to gain a greater understanding of stalk rot etiology. In 1995, stalk rot was observed in a breeding population of pearl millet. Stalks of 10 rust-infected plants were collected on each of three dates during grain fill. Frequency of symptomatic, discolored nodes was higher in the later sampling dates. Stalk sections from 119 discolored n

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Csaba Szőke, István Virág, Donát Magyar, Ferenc Rácz, and Csaba L. Marton. "Studies on the Fusarium stalk rot infection of the maize genotypes using the Findex percentage and a computerised image analysis program." Acta Agraria Debreceniensis, no. 43 (October 30, 2011): 45–51. http://dx.doi.org/10.34101/actaagrar/43/2636.

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In a continental climate, the pathogens causing the most serious problems are species belonging to the Fusarium genus. When the pathogen attacks the stalk, the plant dies earlier, reducing grain filling and resulting in small, light ears. In addition, the stalks break or lodge, resulting in further yield losses from ears that cannot be harvested. During the three years of the experiment, 14 inbred lines were examined. The genotypes were sown in a two-factor split-plot design with four replications, with the genotypes in the main plots and four treatments in the subplots: two Fusarium graminear

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Zheng, Mengjing, Lihua Lv, Yongzeng Cui, Yueling Shi, and Jingting Zhang. "Moderate Nitrogen Management Enhancing Maize Lodging Resistance by Reducing Pathogen Infection and Expansion of Stalk Rot." Agronomy 15, no. 4 (2025): 787. https://doi.org/10.3390/agronomy15040787.

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At present, maize production is facing the challenge of balancing stalk lodging caused by stalk rot with maintaining a good grain yield potential. Improving the basal internode properties by optimizing nitrogen (N) management is an effective strategy to reduce the stalk rot incidence and stalk lodging rate, whilst simultaneously achieving a stable grain yield. A two-year field study was conducted to evaluate the basal internode characteristics under natural field conditions and inoculation with Fusarium pseudograminearum, the causative pathogen of stalk rot, and also to measure the ultimate gr

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QURESHI, S. "INTELLIGENT RESISTANT SOURCE DETECTION AGAINST STALK ROT DISEASE OF MAIZE USING DEEP LEARNING TECHNIQUE." SABRAO Journal of Breeding and Genetics 55, no. 6 (2023): 1972–83. http://dx.doi.org/10.54910/sabrao2023.55.6.11.

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Maize incurs many diseases, but stalk rot has badly influenced the crop yield. A pathologist, extension worker, or experienced farmer can only identify susceptible stalks to determine the accurate application of fungicide to the crop. It is rigorous for the farmers of developing countries to hire them in time. Moreover, a variation in the views of professionals leads to incorrect findings. In this manuscript, pathologists’ discoveries have become a standard to compare the farmer’s detections with an intelligent-based model. The Convolutional Neural Network (CNN) employment sought to identify t

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Dissertations / Theses on the topic "Stalk rot"

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Saleh, Amgad A. "Genetics of stalk-rot fungi in Egypt /." Search for this dissertation online, 2004. http://wwwlib.umi.com/cr/ksu/main.

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Adeyanju, Adedayo. "Genetic study of resistance to charcoal rot and Fusarium stalk rot diseases of sorghum." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17559.

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Doctor of Philosophy<br>Department of Agronomy<br>Tesfaye Tesso<br>Fusarium stalk rot and charcoal rot caused by Fusarium thapsinum and Macrophomina phaseolina respectively are devastating global diseases in sorghum that lead to severe quality and yield loss each year. In this study, three sets of interrelated experiments were conducted that will potentially lead to the development of resistance based control option to these diseases. The first experiment was aimed at identifying sources of resistance to infection by M. phaseolina and F. thapsinum in a diverse panel of 300 sorghum genotypes.

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Obopile, Motshwari. "INTERACTIONS AMONG MAIZE PHENOLOGIES, TRANSGENIC BACILLUS THURINGIENSIS MAIZE AND SEED TREATMENT FOR MANAGEMENT OF PESTS AND DISEASES OF MAIZE." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243020914.

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Venard, Claire Marie-Pierre. "THE DEVELOPMENT OF COLLETOTRICHUM GRAMINICOLA INSIDE MAIZE STALK TISSUES." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_diss/439.

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Colleotrichum graminicola is the causal agent of anthracnose stalk rot, and is one of the most common and aggressive pathogens of maize. The goal of my Ph.D. project was to contribute to a better understanding of the biology of the interaction between C. graminicola and its host. C. graminicola produces two type of asexual spores: one is produced on the surface of infected tissues and is thought to be involved in the spread of the disease in the field. The second type of spore, oval in shape, is produced inside the infected plant tissues, and was believed to be involved in the movement of the

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Godoy, Jayfred Gaham Villegas. "Sorghum improvement as biofuel feedstock: juice yield, sugar content and lignocellulosic biomass." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/9254.

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Master of Science<br>Department of Agronomy<br>Tesfaye Tesso<br>Sorghum [Sorghum bicolor (L.) Moench] is listed as one of the potential feedstock sources for biofuel production. While sorghum grain can be fermented into ethanol in a similar way as maize, the greatest potential of the crop is based on its massive biomass and sugar rich juices. Thus development of the crop as alternative energy source requires improvement of these traits. The objectives of this study were (1) to determine the mode of inheritance of traits related to ethanol production and identify suitable genetic sources for us

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Meloche, François. "Fusarium stalk rot incidence in maize, Zea mays L., in relation to the European corn borer, Ostrinia nubilalis (Hubner) infestation, genotype maturity and eastern Ontario climatic gradient." Thesis, University of Ottawa (Canada), 1997. http://hdl.handle.net/10393/4377.

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Development of maize, Zea mays L., germplasm resistant to the European corn borer, Ostrinia nubilalis (Hubner) and Fusarium fungal pests has been in progress for more than three decades as a worldwide cooperative effort. Some of the host plant resistance to the European corn borer and Fusarium has been attributed to the phytochemical product 6-methoxybenzoxazolinone. However, it has been shown that seasonal weather impacts concurrently on maize development, corn borer and Fusarium phenology. It was hypothesized that some of the maize resistance to both pests depended directly on climatological

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Meloche, François. "Fusarium stalk rot incidence in maize, Zea mays L., in relation to the European corn borer, Ostrinia nubilalis (Hübner) infestation, genotype maturity and eastern Ontario climatic gradient." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq21008.pdf.

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Fortes, Nara Lúcia Perondi [UNESP]. "Efeito da incorporação do lodo de esgoto sobre a fusariose do milho." Universidade Estadual Paulista (UNESP), 2004. http://hdl.handle.net/11449/105427.

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Made available in DSpace on 2014-06-11T19:35:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2004-12-16Bitstream added on 2014-06-13T20:45:44Z : No. of bitstreams: 1 fortes_nlp_dr_botfca.pdf: 629205 bytes, checksum: 40d1e91cf18ab3678f66c246588008c7 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Universidade Estadual Paulista (UNESP)<br>O trabalho objetivou verificar os fatores químicos e microbiológicos do lodo de esgoto e do solo responsáveis pela incidência da podridão do colmo do milho, causada por Fusarium em solo fertilizado com lodo, e foi desenvol

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Querales, Pastora Josefina. "Caracterização morfológica e genética de Fusarium spp. isolados de sementes e associados à podridão do colmo do milho (Zea mays L.)." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-03082010-092742/.

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O gênero Fusarium é um grupo de fungos de importância mundial, não só por causar patologias em plantas, mas também porque abriga espécies toxigênicas. Dentre estas, Fusarium verticillioides, Fusarium proliferatum e Fusarium subglutinans, cujos teleomorfos se agrupam no complexo Gibberella fujikuroi, estão associadas a patologias em milho. O presente estudo caracterizou uma coleção de 100 isolados de Fusarium spp. tanto do ponto de vista morfológico como molecular com vistas a identificá-los em nível de espécie. Para isto, foram usados como marcadores morfológicos a presença/ausência de clamidó

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Durigon, Miria Rosa. "Fatores da produção de milho em função da adubação orgânica e de Trichoderma spp." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/5061.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The expansion of area under maize (Zea mays L.), and the use of no-till without a proper crop rotation have increased the incidence of stalk rot on this crop, due to the survival of this disease-causing pathogens (Fusarium spp., Diplodia spp., Colletotrichum graminicola, among others) in soil and crop residues. Fertilization has shown positive effect on the crop, but little is known about its relation to these pathogens and the organisms that control them. The objective of this study was to evaluate the effect of short and long-ter

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Books on the topic "Stalk rot"

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Duwadi, Vrigu Rishi. Integrated management of stalk rot disease (Sclerotinia sclerotiorum) of cauliflower in the eastern hills of Nepal. [University of Greenwich/Natural Resources Institute], 1999.

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Magerl-Ziegler, Emerenz. "Stark und rot - eindeutig Regensburg" - Continental Arena: Das neue Regensburger Fussballstadion - ein Bautagebuch in Wort und Bild. Edited by Regensburg (Germany) and Regensburg (Germany) Pressestelle. Schnell + Steiner, 2016.

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Hawke, Simon. Batman: To Stalk a Specter (Roc). RoC, 1991.

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photographer, McLachlan Clay, ed. Root to stalk cooking: The art of using the whole vegetable. 2013.

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Lang, Rebecca. Southern Vegetable Book: A Root-To-Stalk Guide to the South's Favorite Produce. Oxmoor House, Incorporated, 2016.

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Southern Vegetable Book: A Root-To-Stalk Guide to the South's Favorite Produce. Time Inc. Books, 2016.

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The Southern vegetable book: A root-to-stalk guide to the South's favorite produce. Oxmoor House, 2016.

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Vom besten Pferd im Stall zur persona non grata: Paul Ruegger als Schweizer Gesandter in Rom 1936-1942. Lang, 2005.

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GOVERNMENT, US. Cellulosic Ethanol - Biomass to Biofuels, Wood Chips, Stalks, Switchgrass, Plant Products, Feedstocks, Cellulose Conversion Processes, Research Plans (CD-ROM). Progressive Management, 2007.

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GOVERNMENT, US. 2008 Cellulosic Ethanol - Biomass to Biofuels, Wood Chips, Stalks, Switchgrass, Plant Products, Feedstocks, Cellulose Conversion Processes, Research Plans (CD-ROM). Progressive Management, 2007.

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Book chapters on the topic "Stalk rot"

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Sharma, Garima, Damyanti Prajapati, Ajay Pal, and Vinod Saharans. "Chitosan Nanomaterials for Post Flowering Stalk Rot Control in Maize." In Nanotechnology in Agriculture and Environmental Science. CRC Press, 2022. http://dx.doi.org/10.1201/9781003323945-10.

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Braun, E. J., and A. Kelman. "Production of Cell Wall-Degrading Enzymes by Corn Stalk Rot Strains of Erwinia Chrysanthemi." In Plant Pathogenic Bacteria. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3555-6_32.

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Wei, Xu. "Degradation of Soybean Stalk Lignin with White-Rot Fungus and SEM Characterization of Surface Structure." In Advances in Intelligent and Soft Computing. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27537-1_59.

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Huaman, Ricardo, Clayder Gonzalez, and Sixto Prado. "Performance Evaluation of the ROS Navigation Stack Using LeGO-LOAM." In Smart Innovation, Systems and Technologies. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-66961-3_16.

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Borse, Saurabh, Tarik Viehmann, Alexander Ferrein, and Gerhard Lakemeyer. "A ROS 2-Based Navigation and Simulation Stack for the Robotino." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-85859-8_2.

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Polantika, Denzel, Yusuf Averroes Sungkar, and Johannes. "Hexapod Robot with Indoor Path Planning Using ROS Navigation Stack on a Static Map." In Lecture Notes in Electrical Engineering. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-29078-7_52.

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Fakhruldeen, Hatem, David Marquez-Gamez, and Andrew I. Cooper. "Development of a ROS Driver and Support Stack for the KMR iiwa Mobile Manipulator." In Towards Autonomous Robotic Systems. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-89177-0_31.

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Gibson-Graham, J. K. "Reading for Difference." In Manifesto for Living in the Anthropocene. punctum books, 2015. https://doi.org/10.21983/p3.0100.1.19.

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It seems that rats have something to teach us humans at this point in the history of our species, at least that’s what I am hearing. In The End of the Long Summer Dianne Dumanoski tells us that “for most of the human career ... we have shared far more with rats: another species of nimble, flexible gener-alists and remarkable survivors” (Dumanoski 2009, 173). It’s only in the modern era of carboniferous capitalism, since most societies have hitched their fortunes to a fossil-fuel based growth strategy, that our species has become less rat-like—less nimble, less flexible, more specialist and increas-ingly less likely to survive the changes we have wrought on our Earth system. The irony is stark—as the behavioral dis-tance between rats and humans grows, so the “more evolved” species becomes increasingly vulnerable to the kinds of envi-ronmental shocks that rats have successfully weathered. Weteeter on the edge of extinction, they are ready to ride out the “end of the long summer.”

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Bogumil, Jörg, David H. Gehne, and Louisa Anna Süß. "Ehrenamtliche Bürgermeister und Wahlen." In Ehrenamtliche Bürgermeister in Deutschland. Springer Fachmedien Wiesbaden, 2024. http://dx.doi.org/10.1007/978-3-658-43894-4_4.

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ZusammenfassungDie Direktwahl von Bürgermeistern ist bei den hauptamtlichen Amtsinhabern seit Mitte der 1990er-Jahre in Deutschland flächendeckend eingeführt worden. Bei den eBm ist das nicht so, denn in Schleswig-Holstein und in Niedersachsen wurde die Direktwahl nicht eingeführt und die eBm werden weiterhin durch den Rat gewählt. Bisher gibt es keine Forschung zur Direktwahl von eBm, da sich die meisten Wahlanalysen entweder auf einzelne Länder konzentrieren (z. B. Gehne 2008, 2020 für NRW, Klein 2014 für Baden-Württemberg oder Klein und Lüdecke 2018 für Hessen), die keine eBm haben, oder diese nicht einbezogen wurden, oder erst ab einer bestimmten Gemeindegröße Daten gesammelt und ausgewertet wurden (z. B. Holtkamp und Garske 2020 ab 20.000 Einwohnende). Im Rahmen dieses Forschungsprojektes konnte erstmals Direktwahldaten für kleine Gemeinden in sieben von zehn Bundesländern mit eBm gesammelt und systematisch ausgewertet werden. Im folgenden Kapitel werden zunächst die Wahldaten hinsichtlich des Kandidatenangebotes und der Wahlergebnisse bei Direktwahlen der eBm ausgewertet, um abschließend auch im Vergleich zum Forschungsstand bei hBm die Fragen zu diskutieren, wie stark die personelle Parteipolitisierung von Direktwahlen der eBm ausgeprägt ist und ob die Wahlergebnisse Hinweise auf einen Nachwuchsmangel bei eBm liefern. Die ratsgewählten Bürgermeister werden im Weiteren nicht berücksichtigt.

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Little, Christopher R., Ramasamy Perumal, Tesfaye Tesso, Y. M. A. Y. Bandara, and Afsana Noor. "Charcoal rot: a major root and stalk disease of sorghum." In Macrophomina Phaseolina. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-443-15443-0.00018-8.

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Conference papers on the topic "Stalk rot"

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Wang, Qing, Qijun Zhao, Jiangli Yin, and Bo Wang. "Three-Dimensional Effects on Dynamic Stall of Rotor Airfoil." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12009.

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In order to research the three-dimensional effects on the dynamic stall of rotor blade, the unsteady flowfields of finite-wing and rotor are simulated under dynamic stall conditions respectively. The unsteady RANS equations coupling with third -order Roe-MUSCL spatial discretizat ion scheme are chosen as the governing equations to predict the three dimensional flowfields of finite-wing and rotor, and the Spalart -Allmaras turbulence model is employed to calculate the viscidity of unsteady flowfields. From the simulat ion results of finite-wing, it is illustrated that the aerodynamic loads of w

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Raghav, Vrishank, and Narayanan Komerath. "Dynamic Stall Life Cycle on a Rotating Blade in Steady Forward Flight." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9449.

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Stereoscopic particle image velocimetry is used to study the three-dimensional flow field over a retreating rotor blade in dynamic stall. The dynamic stall event is characterized from the inception of flow dynamic separation through dynamic reattachment on the rotating blade. First, the separation event is studied by characterizing the dynamic separation mechanism in action and the effect of advance ratio on the onset of dynamic separation. Next, the vortex dynamics and the associated cycle-to-cycle variations during the dynamic stall event are characterized. The radial component of flow (from

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Heuschneider, Verena, Ilkay Yavrucuk, and Manfred Hajek. "Structural Blade Loads of a Mach-Scaled Rotor During Dynamic Stall in Hover." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1383.

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This paper focuses on an experimental investigation of rotor loads during dynamic stall on a rotating pitching blade. In particular, the effect of rotor control parameters - rotor speed, collective pitch, and cyclic pitch - on the structural load dynamics of a rotor blade are analyzed in hover. The rotor platform used is the Mach-scaled, two-bladed Munich Experimental Rotor Investigation Testbed (MERIT) rotor at the Technical University of Munich (TUM). The dynamic stall cases selected vary in collective and cyclic pitch angles: 14°±6°, 14°±10°, and 20°±6°. Static and dynamic stall data are me

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Sani, Ettore, Antonio Sgorbissa, and Stefano Carpin. "Improving the ROS 2 Navigation Stack with Real-Time Local Costmap Updates for Agricultural Applications." In 2024 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2024. http://dx.doi.org/10.1109/icra57147.2024.10610984.

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Zhao, Guo-qing, and Qi-jun Zhao. "Dynamic Stall Control on Rotor Airfoil via Combination of Synthetic Jet and Droop Leading-Edge." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10097.

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A novel strategy of dynamic stall control for rotor airfoil via combinational method by using variable-droop leading edge (VDLE) and synthetic jet is numerically investigated. As foundations, body-fitted grids around oscillatory rotor airfoil with VDLE are regenerated by reconstruction of airfoil and solution of Poisson equations, and the unsteady flowfield around airfoil is simulated by solving RANS equations. To improve the computational accuracy and efficiency, the ROE-MUSCL scheme, k-ε SST turbulence model and implicit LU-SGS scheme are adopted. Additional, a suction/blowing type boundary

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Lorber, Peter, Brian Wallace, and Mark Scott. "Internal and Blade Surface Pressure Measurements of Centrifugal Flow Control on a Large Scale Rotor." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-11996.

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A large scale rotor test has been performed to evaluate concepts for improving the high thrust and high speed capabilities of an edgewise single rotor helicopter. The primary approach was to alleviate dynamic stall using centrifugally pumped steady blowing, referred to as Retreating Side Blowing (RSB). This concept was studied earlier for an airfoil with a flow control slot able to generate momentum coefficients of 0.03 to 0.05 using computational simulation and experiment. The current experiment uses a 28 ft diameter rotor having an inlet at the blade root, a hollow spar, and a series of flow

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Wake, Brian, T. Egolf, Byung-Young Min, Claude Matalanis, and Stephen Makinen. "Performance Validation of CFD/CSD for Active and Passive Rotor Systems." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10514.

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With the recent dramatic increase of computing power, first principal based CFD/CSD tools are becoming more routinely used in the rotorcraft industry. This study performed validation of current CFD/CSD tools in terms of rotor performance to assess its prediction capability for various rotor concepts using a consistent simulation approach. Correlated experimental data include UH-60A NFAC test, UH-60A slowed rotor, UH-60A individual blade control, S-434 with active trailing-edge flap, and flight test data of UH-60M with advanced blade tip design. The root shank impact was added as the post-proce

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Wake, Brian, T. Egolf, Byung-Young Min, Claude Matalanis, and Stephen Makinen. "Performance Validation of CFD/CSD for Active and Passive Rotor Systems." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10131.

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With the recent dramatic increase of computing power, first principal based CFD/CSD tools are becoming more routinely used in the rotorcraft industry. This study performed validation of current CFD/CSD tools in terms of rotor performance to assess its prediction capability for various rotor concepts using a consistent simulation approach. Correlated experimental data include UH-60A NFAC test, UH-60A slowed rotor, UH-60A individual blade control, S-434 with active trailing-edge flap, and flight test data of UH-60M with advanced blade tip design. The root shank impact was added as the post-proce

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Smith, Luke, Andrew Lind, André Bauknecht, Xing Wang, and Anya Jones. "Three-Component Reverse Flow Measurements on a Mach-Scale Rotor at High Advance Ratios." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0074-2018-12693.

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Reverse flow is the source of several unsteady effects that complicate load predictions for high advance ratio rotorcraft. As a way of improving load predictions, an ongoing series of experiments has been aimed at gaining a physical understanding of the unsteady aerodynamics of the reverse flow region. The current work contributes phase-averaged, three-component velocity field measurements collected on a rotor at high advance ratios. Stereoscopic particle image velocitmetry (PIV) was performed on a Mach-scale rotor across three advance ratios (0:6 ≤ μ ≤ 0:8), three radial stations (0:3 ≤ r/R ≤

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Min, Byung-Young, Peter Lorber, Brian Wake, Charles Berezin, and Mark Scott. "Numerical Study of Retreating Side Blowing Concept for a Rotor in High Speed Flight." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12015.

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Retreating Side Blowing (RSB) is a concept to blow air through the blade to suppress dynamic stall on the retreating side of the rotor, and enhance a vehicle's flight envelope at high speed and high loading forward flight conditions. Passive RSB utilizes a rotating blade as a centrifugal pump to drive flow from the inlet at the root to the outboard region. Current numerical studies examined the effectiveness of RSB in conjunction with validation against wind-tunnel measured data at high advance ratio conditions. The impact of varying freestream velocity on the performance of a blown pitching a

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Reports on the topic "Stalk rot"

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Sinanan, Shawn, Amir Naser, Maribel Delatorre, Ahmet Soylemezoglu, and Garry Glaspell. Autonomous robotics development in Robot Operating System (ROS) 2 Humble. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49747.

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This report presents a novel Robot Operating System (ROS) 2–based simulation framework designed to facilitate the development and testing of an autonomous navigation stack. Elements of the navigation stack, including lidar odometry, simultaneous localization and mapping (SLAM), and frontier exploration, are discussed in detail. The key features of the navigation stack include real-time performance and scalable architecture. The simulation results were applied to a physical robot. As a result, the physical robot was able to autonomously map the interior of a building and to generate 2D occupanc

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Schwartz, Bertha, Vaclav Vetvicka, Ofer Danai, and Yitzhak Hadar. Increasing the value of mushrooms as functional foods: induction of alpha and beta glucan content via novel cultivation methods. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600033.bard.

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During the granting period, we performed the following projects: Firstly, we differentially measured glucan content in several pleurotus mushroom strains. Mushroom polysaccharides are edible polymers that have numerous reported biological functions; the most common effects are attributed to β-glucans. In recent years, it became apparent that the less abundant α-glucans also possess potent effects in various health conditions. In our first study, we explored several Pleurotus species for their total, β and α-glucan content. Pleurotuseryngii was found to have the highest total glucan concentrati

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Narvaez, Liliana, Sally Janzen, Caitlyn Eberle, and Zita Sebesvari. Technical Report: Taiwan drought. United Nations University - Institute for Environment and Human Security (UNU-EHS), 2022. http://dx.doi.org/10.53324/ujzw5639.

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During the 2020-2021 typhoon season, for the first time in 56 years, no typhoon made landfall on Taiwan, leading to one of the worst droughts in the island’s history. As reservoirs fell below 5% capacity, more than one million households and businesses had to ration water. This water rationing was not without controversy, especially for the island’s most water-intensive industries: rice farming and semiconductor manufacturing. Taiwan’s case exemplifies the challenges of water stress and related risk across value chains that could emerge as a result. It also shows stark choices that governments

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Polt, Wolfgang, Michael Peneder, and Erich Prem. Neue europäische Industrie-, Innovations- und Technologiepolitik (NIIT). Eine Diskussion zentraler Aspekte mit Blick auf Österreich. Rat für Forschung und Technologieentwicklung, 2021. http://dx.doi.org/10.22163/fteval.2021.606.

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Der Rat für Forschung und Technologieentwicklung (RFTE) hat vor dem Hintergrund einer in den letzten Jahren sehr intensiven Debatte um eine ‚Neue europäische Industrie-, Innovations- und Technologiepolitik‘ Joanneum Research-POLICIES und das WIFO beauftragt, (i) zum einen eine Bestandsaufnahme des aktuellen Diskussions- und Wissenstandes zu diesem Themenfeld durchzuführen, (ii) zentrale Elemente dieser Debatte in einem Prozess mit österreichischen Stakeholdern aufzubereiten und zur Diskussion zu stellen sowie (iii) auf dieser Basis Handlungsempfehlungen für eine ‚neue österreichische Industrie

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Borch, Thomas, Yitzhak Hadar, and Tamara Polubesova. Environmental fate of antiepileptic drugs and their metabolites: Biodegradation, complexation, and photodegradation. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597927.bard.

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Many pharmaceutical compounds are active at very low doses, and a portion of them regularly enters municipal sewage systems and wastewater-treatment plants following use, where they often do not fully degrade. Two such compounds, CBZ and LTG, have been detected in wastewater effluents, surface waters, drinking water, and irrigation water, where they pose a risk to the environment and the food supply. These compounds are expected to interact with organic matter in the environment, but little is known about the effect of such interactions on their environmental fate and transport. The original o

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