DOCSLIB.ORG

International Beta Genetic Resources Network. a Report on the 4Th

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
International Beta Genetic Resources Network. a Report on the 4Th ii INTERNATIONAL CROP NETWORK SERIES. 12 The International Plant Genetic Resources Institute (IPGRI) is an autonomous international scientific organization, supported by the Consultative Group on International Agricultural Research (CGIAR). IPGRI's mandate is to advance the conservation and use of plant genetic resources for the benefit of present and future generations. IPGRI's headquarters is based in Rome, Italy, with offices in another 14 countries worldwide. It operates through three programmes: (1) the Plant Genetic Resources Programme, (2) the CGIAR Genetic Resources Support Programme, and (3) the International Network for the Improvement of Banana and Plantain (INIBAP). The international status of IPGRI is conferred under an Establishment Agreement which, by January 1998, had been signed and ratified by the Governments of Algeria, Australia, Belgium, Benin, Bolivia, Brazil, Burkina Faso, Cameroon, Chile, China, Congo, Costa Rica, Côte d’Ivoire, Cyprus, Czech Republic, Denmark, Ecuador, Egypt, Greece, Guinea, Hungary, India, Indonesia, Iran, Israel, Italy, Jordan, Kenya, Malaysia, Mauritania, Morocco, Pakistan, Panama, Peru, Poland, Portugal, Romania, Russia, Senegal, Slovak Republic, Sudan, Switzerland, Syria, Tunisia, Turkey, Uganda and Ukraine. Financial support for the Research Agenda of IPGRI is provided by the Governments of Australia, Austria, Belgium, Brazil, Bulgaria, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Estonia, F.R. Yugoslavia (Serbia and Montenegro), Finland, France, Germany, Greece, Hungary, Iceland, India, Ireland, Israel, Italy, Japan, Republic of Korea, Latvia, Lithuania, Luxembourg, Malta, Mexico, Monaco, the Netherlands, Norway, Pakistan, the Philippines, Poland, Portugal, Romania, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Thailand, Turkey, the UK, the USA and by the Asian Development Bank, Common Fund for Commodities, Technical Centre for Agricultural and Rural Cooperation (CTA), European Union, Food and Agriculture Organization of the United Nations (FAO), International Development Research Centre (IDRC), International Fund for Agricultural Development (IFAD), International Association for the promotion of cooperation with scientists from the New Independent States of the former Soviet Union (INTAS), Interamerican Development Bank, United Nations Development Programme (UNDP), United Nations Environment Programme (UNEP) and the World Bank. The European Cooperative Programme for Crop Genetic Resources Networks (ECP/GR) is a collaborative programme among most European countries aimed at ensuring the long-term conservation and facilitating the increased utilization of plant genetic resources in Europe. The Programme, which is entirely financed by the participating countries and is coordinated by IPGRI, is overseen by a Steering Committee (previously Technical Consultative Committee, TCC) composed of National Coordinators nominated by the participating countries and a number of relevant international bodies. The Programme operates through ten broadly focused networks in which activities are carried out through a number of permanent working groups or through ad hoc actions. The ECP/GR networks deal with either groups of crops (cereals, forages, vegetables, grain legumes, fruit, minor crops, industrial crops and potato) or general themes related to plant genetic resources (documentation and information, in situ and on-farm conservation, technical cooperation). Members of the working groups and other scientists from participating countries carry out an agreed workplan with their own resources as inputs in kind to the Programme. The geographical designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of IPGRI or the CGIAR concerning the legal status of any country, territory, city or area or its authorities, or concerning the delimitation of its frontiers or boundaries. Similarly, the views expressed are those of the authors and do not necessarily reflect the views of these participating organizations. Citation: Frese, L., L. Panella, H.M. Srivastava and W. Lange, editors. 1998. International Beta Genetic Resources Network. A report on the 4th International Beta Genetic Resources Workshop and World Beta Network Conference held at the Aegean Agricultural Research Institute, Izmir, Turkey, 28 February – 3 March 1996. International Crop Network Series. 12. International Plant Genetic Resources Institute, Rome. ISBN 92-9043-368-X IPGRI, Via delle Sette Chiese 142, 00145 Rome, Italy © International Plant Genetic Resources Institute, 1998 FOURTH Beta NETWORK MEETING i Contents Preface iii Programme ivi Report on the scientific meeting and workshop 1 National reports 8 Presented papers 21 Proposal for a new taxonomical classification of the cultivated forms of beet, Beta vulgaris L. W. Lange, W.A. Brandenburg and Th.S.M. De Bock 21 Variation for developmental characters in Beta vulgaris subsp. maritima in relation to latitude: The importance of in situ conservation H. van Dijk 30 Genetic diversity of red table beets Barbara Michalik and Dariusz Grzebelus 39 Genetic diversity for male sterility in wild and cultivated beets N.O. Bosemark 44 Creation and study of S-cytoplasm collection from varied sources of sugar beet A.V. Mglinets and S.G. Veprev 57 Genetic diversity for high-temperature tolerance in sugar beet H.M. Srivastava 66 Pre-breeding for major disease resistances in sugar beet in Iran M. Nasser Arjmand, K. Farsinejad, I. Alimoradi, M. Aghaeizadeh and B. Katal 74 Screening and utilizing Beta genetic resources with resistance to Rhizoctonia root rot and Cercospora leaf spot in a sugar beet breeding programme L. Panella 79 Beta evaluation and sugar beet enhancement from wild sources D.L. Doney 92 Posters Evaluation of Beta germplasm for disease resistance and stress tolerance M.J.C. Asher and H.G. Smith 99 Influence of sugar beet breeding on a wild beet population in Italy D. Bartsch, U. Brand and M. Schmidt 99 Resistance to blackleg of beet: adaptive potential of Beta L. genetic resources V.I. Burenin 101 Genetic diversity of fodder beets L. Dalke 103 Towards a French network for beet genetic resources B. Desprez 106 Variation patterns in Swiss chards L. Frese 107 ii INTERNATIONAL CROP NETWORK SERIES. 12 Evaluation of some Egyptian wild types of beet (Beta vulgaris subsp. maritima) M.A. El Manhaly, O.M.A. Badawy and D.L. Doney 109 Cytomorphology of diploid and tetraploid beets S. Srivastava and H.M. Srivastava 122 Beta genetic resources in Romania Z. Stanescu and L. Pop 126 Breeding of sugar beets in China Sun Yichu 127 Appendix I. List of participants 128 Appendix II. Acronyms and abbreviations 103 FOURTH Beta NETWORK MEETING iii Preface The World Beta Network (WBN) was founded in 1989 on the initiative of IPGRI. The goal of all crop-specific networks is to improve international collaboration between curators of collections and researchers and users of germplasm, and, through task-sharing, to enable maximum use of the often limited funds for conservation and utilization. This international collaboration actually began in The Netherlands in 1987 with a workshop of curators of collections in Europe and the USA. Subsequent meetings have been held in Wageningen (The Netherlands, 1989), Braunschweig (Germany, 1991) and Fargo (USA, 1993). The WBN is a voluntary association with no membership fee or any other formal obligations of the members. Scientific input and financial support come from various partners of the public and commercial sector. It is the common interest of researchers and plant breeders working with this crop that provides the impetus for the activities of the WBN, which benefit the entire user community of Beta collections. This report once again gives evidence of the fruitfulness of cooperation between partners in the USA, Asia, North Africa and Europe. World Beta Network Coordinating Committee (1993-96) W. Lange, Wageningen, The Netherlands L. Panella, Ft. Collins, USA L. Frese, WBN secretary, Braunschweig, Germany H.M. Srivastava, Lucknow, India Local Organizing Committee of the AARI A. Ertug Firat A. Tan S. Tan S. Kostak Contributing Organizations Agra (Italy) Dieckmann-Heimburg (Germany) International Plant Genetic Resources Institute (Italy) Kleinwanzlebener Saatzucht AG (Germany) van der Have (The Netherlands) Südzucker AG (Germany) iv INTERNATIONAL CROP NETWORK SERIES. 12 Programme 4th International Beta Genetic Resources Workshop 29 February 1996, Thursday 08.30-09.00 Registration and payments 09.00-09.30 Welcome addresses Director A. Ertug Firat (AARI) Dr L. Frese (WBN secretary) 09.30-10.00 Dr S. Padulosi (IPGRI, Rome) Possible impacts of the Convention on Biodiversity on the World Beta network 10.00-10.30 Coffee break Scientific session: Biosystematics and taxonomy 10.30-11.00 Dr A. Tan Characterization of wild beets in Turkey 11.00-11.30 Dr W. Lange, Dr W. Brandenburg and Ir. Th. de Bock Proposal for a new taxonomy of the cultivated beet, Beta vulgaris L. 11.30-12.00 Prof. H. van Dijk Variation for developmental characters in Beta vulgaris subsp. maritima in relation to latitude: the importance of in situ conservation 12.00-12.30 Dr A. Tan Prospects for in situ conservation of beet populations in Turkey 12.30-14.00 Lunch Scientific session: Genetic diversity 14.00-14.30 Prof. B. Michalik and Dr D. Grzebelus Genetic diversity of red table beets 14.30-15.00 Prof. N.O. Bosemark Genetic diversity for male sterility in wild and cultivated beets 15.00-15.30 Dr
Load more

Recommended publications
  • Expression Analysis of the Expanded Cercosporin Gene Cluster In
    EXPRESSION ANALYSIS OF THE EXPANDED CERCOSPORIN GENE CLUSTER IN CERCOSPORA BETICOLA A Thesis Submitted to the Graduate Faculty of the North Dakota State University of Agriculture and Applied Science By Karina Anne Stott In Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE Major Department: Plant Pathology May 2018 Fargo, North Dakota North Dakota State University Graduate School Title Expression Analysis of the Expanded Cercosporin Gene Cluster in Cercospora beticola By Karina Anne Stott The Supervisory Committee certifies that this disquisition complies with North Dakota State University’s regulations and meets the accepted standards for the degree of MASTER OF SCIENCE SUPERVISORY COMMITTEE: Dr. Gary Secor Chair Dr. Melvin Bolton Dr. Zhaohui Liu Dr. Stuart Haring Approved: 5-18-18 Dr. Jack Rasmussen Date Department Chair ABSTRACT Cercospora leaf spot is an economically devastating disease of sugar beet caused by the fungus Cercospora beticola. It has been demonstrated recently that the C. beticola CTB cluster is larger than previously recognized and includes novel genes involved in cercosporin biosynthesis and a partial duplication of the CTB cluster. Several genes in the C. nicotianae CTB cluster are known to be regulated by ‘feedback’ transcriptional inhibition. Expression analysis was conducted in wild type (WT) and CTB mutant backgrounds to determine if feedback inhibition occurs in C. beticola. My research showed that the transcription factor CTB8 which regulates the CTB cluster expression in C. nicotianae also regulates gene expression in the C. beticola CTB cluster. Expression analysis has shown that feedback inhibition occurs within some of the expanded CTB cluster genes.
    [Show full text]
  • Population Genomics of Cercospora Beticola Dissertation
    Population Genomics of Cercospora beticola Dissertation In fulfillment of the requirements for the degree of “Dr. rer. nat” of the Faculty of Mathematics and Natural Sciences at the Christian Albrechts University of Kiel. Submitted by Lizel Potgieter March 2021 1 First examiner: Prof. Dr. rer. nat Eva Holtgrewe Stukenbrock Second examiner: Prof. Dr. rer. Nat. Tal Dagan Third Examiner: Prof. Dr. Irene Barnes Date of oral examination: 13th of April 2021 2 Table of Contents Summary...............................................................................................................................................5 Zusammenfassung................................................................................................................................8 General Introduction...........................................................................................................................12 Introduction....................................................................................................................................12 Domestication Processes Affecting Fungal Pathogen Evolution...................................................13 Evolutionary Theory on the Effect of Domestication on Fungal Pathogens.................................17 Plant-Pathogen Interactions During Infection...............................................................................19 Genome Evolution in Fungal Plant Pathogens..............................................................................21 Description of Model System........................................................................................................28
    [Show full text]
  • Pathogenicity, Host Response and Control of Cercospora Leaf-Spot Of
    December, 1933 Research Bulletin No. 168 Pathogenicity, Host Response and Control of Cercospora Leaf,Spot of Sugar Beets By EDGAR F. VESTAL AGRICULTURAL EXPERIMENT STATION IOWA STATE COLLEGE OF AGRICULTURE AND MECHANIC ARTS R. E. BUCHANAN, Director BOTANY AND PLANT PATHOLOGY SECTION AMES, IOWA CONTENTS Page Summary " 43 Growth habits and sporulation of Cercospom beticola on arti- ficial media 45 Development of conidia and conidiophores 46 Germination of conidia on the leaves of a living plant 47 The influence of changing humidity upon penetration of stomata by Cercospora mycelia 48 Infection trials on sugar beet seedlings 49 The host range of Cercospora beticola 50 Inoculation experiments with Cercospom beticola 51 Beta vulgaris inoculations with Cercospom beticola 51 Results of cross inoculations " 56 Cet"cospom beticola found in the field 57 Control of Cercospora leaf-spot 61 Spraying and dusting for Cercospora leaf-spot 61 Spraying and dusting in 1929 62 Spraying and dusting in 1930 63 The influence of spacing upon the development of Cer- cospora leaf-spot 64 Field trial in 1931 " 65 Artificial inoculation 66 Development of Cercospora leaf-spot in the drilled and checked beets 66 Comparison of environmental factors 69 Literature cited 70 SUMMARY On artificial media conidia of Ce?'COSP01"a beticola began to appear in 12 to 20 hours after inoculation, and the optimum production was from 48 to 96 hours after transfer, Germination of the conidium may take place at any point, but more often near a septum and from the basal end of the cell first. Germination of the conidia did not take place on the living leaf in an atmosphere containing less than 90 percent humidity.
    [Show full text]
  • Sugarbeet Leaf Spot Disease (Cercospora Beticola Sacc.)†
    MOLECULAR PLANT PATHOLOGY (2004) 5(3), 157–166 DOI: 10.1111/J.1364-3703.2004.00218.X PBlackwellathogen Publishing, Ltd. profile Sugarbeet leaf spot disease (Cercospora beticola Sacc.)† JOHN WEILAND1,* AND GEORG KOCH2 1United States Department of Agriculture, Agricultural Research Service, Northern Crop Science Laboratory, Fargo, ND 58105, USA 2Strube-Dieckmann, A. Dieckmann-Heimburg, Postfach 1165, 31684 Nienstädt, Germany Control: Fungicides in the benzimidazole and triazole class as SUMMARY well as organotin derivatives and strobilurins have successfully been Leaf spot disease caused by Cercospora beticola Sacc. is the most used to control Cercospora leaf spot. Elevated levels of tolerance destructive foliar pathogen of sugarbeet worldwide. In addition in populations of C. beticola to some of the chemicals registered to reducing yield and quality of sugarbeet, the control of leaf spot for control has been documented. Partial genetic resistance also disease by extensive fungicide application incurs added costs is used to reduce leaf spot disease. to producers and repeatedly has selected for fungicide-tolerant C. beticola strains. The genetics and biochemistry of virulence have been examined less for C. beticola as compared with the related fungi C. nicotianae, C. kikuchii and C. zeae-maydis, fungi to which INTRODUCTION the physiology of C. beticola is often compared. C. beticola popu- Sucrose from sugarbeet is an important dietary supplement world- lations generally are not characterized as having race structure, wide. With production at ∼35 000 000 tonnes in 2002, just less than although a case of race-specific resistance in sugarbeet to C. beticola one-third of world sucrose supplies are derived from sugarbeet has been reported.
    [Show full text]
  • Phylogenetic Analysis of Cercospora and Mycosphaerella Based on the Internal Transcribed Spacer Region of Ribosomal DNA
    Ecology and Population Biology Phylogenetic Analysis of Cercospora and Mycosphaerella Based on the Internal Transcribed Spacer Region of Ribosomal DNA Stephen B. Goodwin, Larry D. Dunkle, and Victoria L. Zismann Crop Production and Pest Control Research, U.S. Department of Agriculture-Agricultural Research Service, Department of Botany and Plant Pathology, 1155 Lilly Hall, Purdue University, West Lafayette, IN 47907. Current address of V. L. Zismann: The Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850. Accepted for publication 26 March 2001. ABSTRACT Goodwin, S. B., Dunkle, L. D., and Zismann, V. L. 2001. Phylogenetic main Cercospora cluster. Only species within the Cercospora cluster analysis of Cercospora and Mycosphaerella based on the internal produced the toxin cercosporin, suggesting that the ability to produce this transcribed spacer region of ribosomal DNA. Phytopathology 91:648- compound had a single evolutionary origin. Intraspecific variation for 658. 25 taxa in the Mycosphaerella clade averaged 1.7 nucleotides (nts) in the ITS region. Thus, isolates with ITS sequences that differ by two or more Most of the 3,000 named species in the genus Cercospora have no nucleotides may be distinct species. ITS sequences of groups I and II of known sexual stage, although a Mycosphaerella teleomorph has been the gray leaf spot pathogen Cercospora zeae-maydis differed by 7 nts and identified for a few. Mycosphaerella is an extremely large and important clearly represent different species. There were 6.5 nt differences on genus of plant pathogens, with more than 1,800 named species and at average between the ITS sequences of the sorghum pathogen Cercospora least 43 associated anamorph genera.
    [Show full text]
  • Molecular Approaches to Detect and Control Cercospora Kikuchii In
    Louisiana State University LSU Digital Commons LSU Doctoral Dissertations Graduate School 2012 Molecular Approaches to Detect and Control Cercospora kikuchii in Soybeans Ashok Kumar Chanda Louisiana State University and Agricultural and Mechanical College, [email protected] Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_dissertations Part of the Plant Sciences Commons Recommended Citation Chanda, Ashok Kumar, "Molecular Approaches to Detect and Control Cercospora kikuchii in Soybeans" (2012). LSU Doctoral Dissertations. 3002. https://digitalcommons.lsu.edu/gradschool_dissertations/3002 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Doctoral Dissertations by an authorized graduate school editor of LSU Digital Commons. For more information, please [email protected]. MOLECULAR APPROACHES TO DETECT AND CONTROL CERCOSPORA KIKUCHII IN SOYBEANS A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College In partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Plant Pathology and Crop Physiology by Ashok Kumar Chanda B.S., Acharya N. G. Ranga Agricultural University, 2001 M.S., Acharya N. G. Ranga Agricultural University, 2004 August 2012 DEDICATION This work is dedicated to my Dear Mother, PADMAVATHI Dear Father, MADHAVA RAO Sweet Wife, MALA Little Angel, HAMSINI ii ACKNOWLEDGEMENTS I would like to express my sincere gratitude to my advisors Dr. Zhi-Yuan Chen and Dr. Raymond Schneider, for giving me the opportunity to pursue this doctoral program, valuable guidance throughout my research as well as freedom to choose my work, kindness and constant encouragement, and teaching me how to become a molecular plant pathologist.
    [Show full text]
  • Identification and Characterization of Cercospora Beticola Necrosis-Inducing Effector Cbnip1
    Received: 27 September 2020 | Revised: 8 November 2020 | Accepted: 9 November 2020 DOI: 10.1111/mpp.13026 ORIGINAL ARTICLE Identification and characterization of Cercospora beticola necrosis-inducing effector CbNip1 Malaika K. Ebert 1,2,3 | Lorena I. Rangel 1 | Rebecca E. Spanner 1,2 | Demetris Taliadoros4,5 | Xiaoyun Wang1 | Timothy L. Friesen 1,2 | Ronnie de Jonge 6,7,8 | Jonathan D. Neubauer1 | Gary A. Secor 2 | Bart P. H. J. Thomma 3,9 | Eva H. Stukenbrock 4,5 | Melvin D. Bolton 1,2 1Edward T. Schafer Agricultural Research Center, USDA Agricultural Research Service, Abstract Fargo, North Dakota, USA Cercospora beticola is a hemibiotrophic fungus that causes cercospora leaf spot 2 Department of Plant Pathology, North disease of sugar beet (Beta vulgaris). After an initial symptomless biotrophic phase Dakota State University, Fargo, North Dakota, USA of colonization, necrotic lesions appear on host leaves as the fungus switches to a 3Laboratory of Phytopathology, Wageningen necrotrophic lifestyle. The phytotoxic secondary metabolite cercosporin has been University, Wageningen, Netherlands shown to facilitate fungal virulence for several Cercospora spp. However, because 4Environmental Genomics Group, Max Planck Institute for Evolutionary Biology, cercosporin production and subsequent cercosporin-initiated formation of reactive Plön, Germany oxygen species is light-dependent, cell death evocation by this toxin is only fully en- 5Christian-Albrechts University of Kiel, Kiel, sured during a period of light. Here, we report the discovery of the effector protein Germany 6Plant-Microbe Interactions, Department CbNip1 secreted by C. beticola that causes enhanced necrosis in the absence of light of Biology, Utrecht University, Utrecht, and, therefore, may complement light-dependent necrosis formation by cercosporin.
    [Show full text]
  • Source of Useful Traits
    Chapter 8 Source of Useful Traits Leonard W. Panella, Piergiorgio Stevanato, Ourania Pavli and George Skaracis Abstract In the late 1800s, there already was speculation that Beta maritima might provide a reservoir of resistance genes that could be utilized in sugar beet breeding. European researchers had crossed Beta maritima and sugar beet and observed many traits in the hybrid progeny. It is impossible to estimate how widely Beta maritima was used in the production of commercial varieties, because most of the germplasm exchanges were informal and are difficult to document. Often these crosses of sugar beet with sea beet germplasm contained undesirable traits, e.g., annualism, elongated crowns, fangy roots, high fiber, red pigment (in root, leaf, or petiole) and much lower sucrose production. It is believed that lack of acceptance of Beta maritima as a reservoir of genes was because most of the evaluations of the progeny were done in early generations: The reactions of the hybrids vulgaris × maritima were not impressive, and it is clear now that they were not adequately studied in the later generations. Keywords Disease resistance · Rhizomania · Cercospora · Nematodes · Drought · Salt stress · Root rot · Curly top · Virus yellows · Powdery mildew · Polymyxa betae Contrary to other species of the genus Beta, the evolutionary proximity between the sea beet and the cultivated types favors casual crosses (Hjerdin et al. 1994). Important characters of resistance to diseases, currently present in cultivated varieties, have been isolated from wild material (Table 8.1). According to several authors, Beta maritima is also an important means to increase the genetic diversity of cultivated types, now rather narrow from a domestication bottleneck and continuous selection for improve- ment of production and quality traits (Bosemark 1979; de Bock 1986; Doney 1998; L.
    [Show full text]
  • CHARACTERIZING the DIVERSITY of FUNGICIDE RESISTANCE in CERCOSPORA BETICOLA on SUGARBEET in MICHIGAN and ONTARIO by Qianwei Jian
    CHARACTERIZING THE DIVERSITY OF FUNGICIDE RESISTANCE IN CERCOSPORA BETICOLA ON SUGARBEET IN MICHIGAN AND ONTARIO By Qianwei Jiang A THESIS Submitted to Michigan State University in partial fulfillment of the requirements for the degree of Plant Pathology – Master of Science 2016 ABSTRACT CHARACTERIZING THE DIVERSITY OF FUNGICIDE RESISTANCE IN CERCOSPORA BETICOLA ON SUGARBEET IN MICHIGAN AND ONTARIO By Qianwei Jiang Cercospora leaf spot (CLS), caused by Cercospora beticola (Sacc.), is the most serious foliar disease of sugarbeet (Beta vulgaris L.) worldwide. Timely fungicide application is one of the most effective tools used to manage this disease. However, this strategy has been less effective because resistance has been reported in C. beticola to several classes of fungicides including benzimidazoles, organotin and demethylation inhibitors (DMIs). Thus knowledge of the interaction of C. beticola in Michigan with various fungicides is essential for making management decisions. A study has been conducted to survey the Great Lakes sugarbeet growing region for C. beticola isolates with sensitivity to various fungicides in use in the area. Results showed that most C. beticola isolates (>85%) tested were sensitive to DMI and organotin fungicides during the study (from 2012 to 2014) with EC50 values of less than 1 and 5 ppm respectively. Monitoring for the mutations in commercial fields indicated that resistant mutations were widespread in both Michigan and Ontario sugarbeet production areas. This data will direct the development of effective recommendations specific to production areas. Copyright by QIANWEI JIANG 2016 Dedicated to my beloved parents Yongzhong Jiang and Yunjian Qian; My husband Yiqun Yang; For their endless love, support, encouragement and sacrifices.
    [Show full text]
  • Relations of Cercospora Beticola with Host Plants and Fungal Antagonists Robert T
    Agronomy Publications Agronomy 2010 Relations of Cercospora beticola with Host Plants and Fungal Antagonists Robert T. Lartey United States Department of Agriculture Soumitra Ghoshroy University of South Carolina - Columbia TheCan Caesar-TonThat United States Department of Agriculture Andrew W. Lenssen United States Department of Agriculture, [email protected] Robert G. Evans United States Department of Agriculture Follow this and additional works at: http://lib.dr.iastate.edu/agron_pubs Part of the Agronomy and Crop Sciences Commons, and the Plant Pathology Commons The ompc lete bibliographic information for this item can be found at http://lib.dr.iastate.edu/ agron_pubs/66. For information on how to cite this item, please visit http://lib.dr.iastate.edu/ howtocite.html. This Book Chapter is brought to you for free and open access by the Agronomy at Iowa State University Digital Repository. It has been accepted for inclusion in Agronomy Publications by an authorized administrator of Iowa State University Digital Repository. For more information, please contact [email protected]. Relations of Cercospora beticola with Host Plants and Fungal Antagonists Abstract Cerco pora leaf pot (CLS) cau ed by Cercospora beticola Sacc., is sti ll considered to be the mo t important foliar di ease of ugar beel. The di ea e ha been reported wherever ugar beet i grO\\ n (Bieiholder and Weltzien 1972). Since the di ease wa fir t identified. management of CLS of ugar beet has been an ongoing mi ion of plant pathologists. Toda}. everal trategie are available and applied either s ingly or in combination to manage the di ea e.
    [Show full text]
  • Pathogenicity, Host Response and Control of Cercospora Leaf-Spot of Sugar Beets Edgar F
    Volume 14 Number 168 Pathogenicity, host response and control Article 1 of Cercospora leaf-spot of sugar beets December 1933 Pathogenicity, host response and control of Cercospora leaf-spot of sugar beets Edgar F. Vestal Iowa State College Follow this and additional works at: http://lib.dr.iastate.edu/researchbulletin Part of the Agriculture Commons, Botany Commons, and the Plant Pathology Commons Recommended Citation Vestal, Edgar F. (1933) "Pathogenicity, host response and control of Cercospora leaf-spot of sugar beets," Research Bulletin (Iowa Agriculture and Home Economics Experiment Station): Vol. 14 : No. 168 , Article 1. Available at: http://lib.dr.iastate.edu/researchbulletin/vol14/iss168/1 This Peer Reviewed Articles is brought to you for free and open access by the Iowa Agricultural and Home Economics Experiment Station Publications at Iowa State University Digital Repository. It has been accepted for inclusion in Research Bulletin (Iowa Agriculture and Home Economics Experiment Station) by an authorized editor of Iowa State University Digital Repository. For more information, please contact [email protected]. December, 1933 Research Bulletin No. 168 Pathogenicity, Host Response and Control of Cercospora Leaf,Spot of Sugar Beets By EDGAR F. VESTAL AGRICULTURAL EXPERIMENT STATION IOWA STATE COLLEGE OF AGRICULTURE AND MECHANIC ARTS R. E. BUCHANAN, Director BOTANY AND PLANT PATHOLOGY SECTION AMES, IOWA CONTENTS Page Summary " 43 Growth habits and sporulation of Cercospom beticola on arti- ficial media 45 Development of conidia
    [Show full text]
  • Sugarbeet Vulnerability Statement
    SUGARBEET CROP GERMPLASM COMMITTEE REPORT ON THE STATUS OF BETA GERMPLASM IN THE UNITED STATES 2017 Lee Panella USDA-Agricultural Research Service Soil Management & Sugar Beet Research Unit Sugarbeet Research Program Crops Research Laboratory 1701 Centre Ave. Fort Collins, CO 80526-2083 Ph: 970.492.7140 Email: [email protected] SUGARBEET CGC REPORT STATUS OF BETA GERMPLASM IN U.S. Page i SUGARBEET CROP GERMPLASM COMMITTEE REPORT ON THE STATUS OF BETA GERMPLASM IN THE UNITED STATES TABLE OF CONTENTS TABLE OF CONTENTS .............................................................................................................ii Chapter 1 – THE BEET CROP AND SUGAR PROCESSING ...................................................... 1 Introduction to the Beet Crop ................................................................................................. 1 Uses and types..................................................................................................................... 1 Origin and adaptation .......................................................................................................... 1 Sugar processing history ..................................................................................................... 2 Consumption and production today .................................................................................... 2 Beet Production ........................................................................................................................ 3 Value ..................................................................................................................................
    [Show full text]