Investigating The Management Of Potato And Tomato Late Blight Caused By Phytophthora Infestans Through Host Genetics And Pathogen Characters

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Investigating the Management of Potato and Tomato Late Blight Caused by Phytophthora Infestans Through Host Genetics and Pathogen Characters

Author :
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Investigating the Management of Potato and Tomato Late Blight Caused by Phytophthora Infestans Through Host Genetics and Pathogen Characters by :

Download or read book Investigating the Management of Potato and Tomato Late Blight Caused by Phytophthora Infestans Through Host Genetics and Pathogen Characters written by and published by . This book was released on 2014 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigating the management of potato and tomato late blight caused by Phytophthora infestans through host genetics and pathogen characters Gregorio Amílcar Sánchez Pérez Under the supervision of Dr. Amanda Gevens, Dr. Shelley Jansky, and Dr. Dennis Halterman University of Wisconsin-Madison Phytophthora infestans (Mont) de Bary, is the causal agent of late blight of potato and tomato. In 2009 to 2013, four P. infestans clonal lineages US-22, US-23, US-24, and US-8 were isolated in several U.S. states including Wisconsin. In the present research two components of late blight management were investigated. 1) Biology and ecology of four recent clonal lineages of P. infestans. A phenotypic and genotypic characterization was performed on P. infestans collected in 2013 in Wisconsin. Results revealed that two clonal lineages, US-23 (A1 mating type, mefenoxam sensitive) and US-8 (mating type A2 and resistant to mefenoxam) were present. In an assessment of the virulence and oospore production with US-22 (A2), US-23 (A1), and US-24 (A1) isolates, results revealed that potato and tomato plants transformed with the RB gene and tomato Mountain Magic, carrying Ph-2 and Ph-3 genes, were resistant to inoculation with all of the individual isolates and no oospores were detected in these plants. In an investigation of survivability and infectivity of oospores, it was discovered that oospores were able to survive and remain infective to tomato leaflets after being exposed to natural field winter conditions in Wisconsin, and 5 temperatures ranging from 22° C to -20° C. 2). Breeding for resistance. Resistance to late blight from the wild potato species Solanum verrucosum has been introgressed into five diploid hybrid clones. Two of these clones have resistance to early blight from the wild potato species S. commersonii. All five clones have acceptable tuber yield, do not produce 2n pollen grains, and produce viable pollen. Using molecular approaches, transient expression of 18 RB orthologous genes from 7 Solanum species were evaluated for the ability to recognize the IPI-O effectors from P. infestans. Our results revealed that none of the 18 RB orthologs were able to recognize the IPI-O effectors. The nucleotide sequence diversity observed between non-functional and functional RB genes can be used for future research to identify regions of importance for molecular characterization of the interaction between IPI-O effector and the RB gene

Investigating the Biology, Epidemiology, and Management of the US-22, US-23, and US-24 Clonal Lineages of Phytophthora Infestans from Wisconsin

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (867 download)

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Book Synopsis Investigating the Biology, Epidemiology, and Management of the US-22, US-23, and US-24 Clonal Lineages of Phytophthora Infestans from Wisconsin by :

Download or read book Investigating the Biology, Epidemiology, and Management of the US-22, US-23, and US-24 Clonal Lineages of Phytophthora Infestans from Wisconsin written by and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytophthora infestans (Mont.) deBary causes late blight, one of the most important diseases of potato and tomato worldwide. Multiple aspects of the biology and epidemiology of three recently identified clonal lineages of P. infestans, US-22, US-23, and US-24 were investigated to further an understanding of changing P. infestans populations and enhance management of late blight. Collection and characterization of P. infestans isolates from Wisconsin from 2009 to 2012 revealed three new clonal lineages, US-22 (A2 mating type, mefenoxam sensitive), US-23 (A1, intermediately sensitive), and US-24 (A1, intermediately sensitive). In an investigation of host range, it was discovered that the US-22, US-23, and US-24 lineages all produced lesions and sporulated well on potato and also on hairy nightshade, a common solanaceous weed. Sporulation on tomato was limited for US-24, but not for US-22 or US-23. Through testing of low temperature survival on tomato seeds, survival by all three lineages was seen for 14 days at -3°C and for 3 months at 0°C, indicating the potential for overwintering of P. infestans in tomatoes buried in fields or in protected areas such as compost piles. Resistance in tomato cultivars was explored and cultivars with Ph late blight resistance genes had variable efficacy against US-22, US-23, and US-24. Surprisingly, effective broad-spectrum resistance was found in some heirloom cultivars, including `Wapsipinicon Peach' and `Matt's Wild Cherry'. These cultivars can be immediately used by growers and further explored by breeders. Several organic-approved and biorational fungicides, particularly EF400 and Zonix, showed efficacy against the new lineages, indicating the potential for more environmentally friendly management of tomato late blight through non-conventional fungicides. The pathogen characteristics of lesion growth and sporulation rate were experimentally determined and simulated epidemics generated for each lineage using the LATEBLIGHT simulation model, resulting in conclusions that the US-23 lineage may have the potential to initiate the largest, fastest epidemics and be the most likely to persist in the pathogen population. Together, these results will further an understanding of the biology and epidemiology of P. infestans and lead to enhanced control of the devastating disease of late blight.

Improved Late Blight Management Through Resistance In Tomato, Pathogen Diagnostics, And Understanding Phytophthora Infestans Diversity

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Author : Zachariah Robert Hansen
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (954 download)

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Book Synopsis Improved Late Blight Management Through Resistance In Tomato, Pathogen Diagnostics, And Understanding Phytophthora Infestans Diversity by : Zachariah Robert Hansen

Download or read book Improved Late Blight Management Through Resistance In Tomato, Pathogen Diagnostics, And Understanding Phytophthora Infestans Diversity written by Zachariah Robert Hansen and published by . This book was released on 2016 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Late blight, caused by the oomycete Phytophthora infestans, continues to be an important disease of potato and tomato, and host resistance can be an effective management tool. Thirty nine tomato varieties were evaluated for resistance to the currently-predominant clonal lineage of P. infestans in three separate field trials. Varieties with late blight resistance genes Ph-2 + Ph-3, or were homozygous for Ph-3 only, along with three heirloom varieties, showed a high level of resistance. 'Plum Regal F1', which is heterozygous for Ph-3 only, and 'Legend', which has Ph-2 only, showed moderate resistance. When resistant varieties are not planted, early detection of airborne inoculum could be used to improve disease forecasting, inform management decisions, and could be a useful tool for studying late blight epidemiology. Rotorod-style spore trapping coupled with quantitative PCR was tested over seven location-seasons in New York State between 2012 and 2014. Phytophthora infestans was detected from 111 to 6 days prior to late blight symptom observation in four location-seasons, 1 and 6 days after symptom observation in two location-seasons, and was not detected during the seventh location-season. This study demonstrates that although the methods described here are capable of detecting P. infestans inoculum, they do not appear to be a viable approach for informing late blight management decisions under the conditions of this study in New York. In the United States P. infestans exhibits a clonal reproductive lifestyle, and the ability to identify P. infestans lineages has important late blight management implications. Diagnostic single-nucleotide polymorphisms (SNPs) were used to develop high-resolution melt (HRM) assays and locked nucleic acid (LNA) probes to differentiate the recently-predominant lineage US-23 from three other lineages. A loop-mediated isothermal amplification assay, which requires less laboratory equipment compared to traditional PCR detection assays, was also developed for rapid detection of P. infestans DNA. Additionally, within-lineage diversity was studied using genotyping-by-sequencing (GBS) on 257 P. infestans isolates belonging to four clonal lineages. SNPs identified through GBS were used to construct neighbor-joining (NJ) trees to investigate relationships among individuals within lineages. NJ trees revealed evidence for regional pathogen dispersal and overwintering, as well as long-distance pathogen dispersal. The relative prominence of clustering by year indicates the importance of long-distance pathogen dispersal in initiating annual late blight outbreaks.

Genetic Studies of Phytophthora Infestans, a Late Blight Pathogen of Potato and Tomato

Author : Theresa Yun Lee
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Genetic Studies of Phytophthora Infestans, a Late Blight Pathogen of Potato and Tomato by : Theresa Yun Lee

Download or read book Genetic Studies of Phytophthora Infestans, a Late Blight Pathogen of Potato and Tomato written by Theresa Yun Lee and published by . This book was released on 1998 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Germination and Infection with the Fungus of the Late Blight of Potato (phytophthora Infestans)

Author : Irving E. Melhus
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Germination and Infection with the Fungus of the Late Blight of Potato (phytophthora Infestans) by : Irving E. Melhus

Download or read book Germination and Infection with the Fungus of the Late Blight of Potato (phytophthora Infestans) written by Irving E. Melhus and published by . This book was released on 1915 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metabolic Interaction in Infection

Author : Ricardo Silvestre
Publisher : Springer
ISBN 13 : 3319749323
Total Pages : 478 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Metabolic Interaction in Infection by : Ricardo Silvestre

Download or read book Metabolic Interaction in Infection written by Ricardo Silvestre and published by Springer. This book was released on 2018-04-06 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on host–pathogen interactions at the metabolic level. It explores the metabolic requirements of the infectious agents, the microbial metabolic pathways that are dedicated to circumvent host immune mechanisms as well as the molecular mechanisms by which pathogens hijack host cell metabolism for their own benefit. Finally, it provides insights on the possible clinical and immunotherapeutic applications, as well as on the available experimental and analytical methods. The contributions break new ground in understanding the metabolic crosstalk between host and pathogen.

Advances in Plant Pathology

Author : David S. Ingram
Publisher :
ISBN 13 : 9780120337019
Total Pages : 240 pages
Book Rating : 4.3/5 (37 download)

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Book Synopsis Advances in Plant Pathology by : David S. Ingram

Download or read book Advances in Plant Pathology written by David S. Ingram and published by . This book was released on 1982 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Epidemiology of Plant Diseases

Author : B. Michael Cooke
Publisher : Springer Science & Business Media
ISBN 13 : 1402045816
Total Pages : 584 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis The Epidemiology of Plant Diseases by : B. Michael Cooke

Download or read book The Epidemiology of Plant Diseases written by B. Michael Cooke and published by Springer Science & Business Media. This book was released on 2006-06-18 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant disease epidemiology is a dynamic science that forms an essential part of the study of plant pathology. This book brings together a team of 35 international experts. Each chapter deals with an essential component of the subject and allows the reader to fully understand how each exerts its influence on the progress of pathogen populations in plant populations over a defined time scale. This edition has new, revised and updated chapters.

Durability of Disease Resistance

Author : Th. Jacobs
Publisher : Springer Science & Business Media
ISBN 13 : 9401120048
Total Pages : 370 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Durability of Disease Resistance by : Th. Jacobs

Download or read book Durability of Disease Resistance written by Th. Jacobs and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: From February 24 -28, 1992 an international symposium on Durability of Disease Resistance was held at the International Agricultural Centre in Wageningen, the Netherlands. The symposium, organized by the Department of Plant Breeding of Wageningen Agricultural University and the Centre for Plant Breeding and Repro duction Research, CPRO-DLO, was part of the DGIS funded programme Durable Resistance in Developing Countries. Without any form of prevention or protection nearly all crops will be seriously or even severely damaged by a range of pathogens. In modern agriculture man has been able to control many if not most pathogens using i) pesticides, ii) phyto sanitary methods such as control of seed and plant material in order to start a crop disease free, iii) agronomic measures such as crop rotation, iv) disease resis tance or combinations of these measures. Over the years the use of pesticides has increased enormously and so did the pro blems associated with pesticide use, such as environmental pollution and building of resistance and tolerance to these pesticides in the pathogens. The use of resis tance too increased strongly over the years and here too problems arose.

The Potato Crop

Author : Hugo Campos
Publisher : Springer Nature
ISBN 13 : 3030286835
Total Pages : 524 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis The Potato Crop by : Hugo Campos

Download or read book The Potato Crop written by Hugo Campos and published by Springer Nature. This book was released on 2019-12-03 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY 4.0 license. This book provides a fresh, updated and science-based perspective on the current status and prospects of the diverse array of topics related to the potato, and was written by distinguished scientists with hands-on global experience in research aspects related to potato. The potato is the third most important global food crop in terms of consumption. Being the only vegetatively propagated species among the world’s main five staple crops creates both issues and opportunities for the potato: on the one hand, this constrains the speed of its geographic expansion and its options for international commercialization and distribution when compared with commodity crops such as maize, wheat or rice. On the other, it provides an effective insulation against speculation and unforeseen spikes in commodity prices, since the potato does not represent a good traded on global markets. These two factors highlight the underappreciated and underrated role of the potato as a dependable nutrition security crop, one that can mitigate turmoil in world food supply and demand and political instability in some developing countries. Increasingly, the global role of the potato has expanded from a profitable crop in developing countries to a crop providing income and nutrition security in developing ones. This book will appeal to academics and students of crop sciences, but also policy makers and other stakeholders involved in the potato and its contribution to humankind’s food security.

Phytophthora

Author : Kurt Lamour
Publisher : CABI
ISBN 13 : 1780640935
Total Pages : 256 pages
Book Rating : 4.7/5 (86 download)

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Book Synopsis Phytophthora by : Kurt Lamour

Download or read book Phytophthora written by Kurt Lamour and published by CABI. This book was released on 2013 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book begins with an account of the early history of Phytophthora research and the tumultuous events setting the genus in motion. In keeping with its controversial inception, the chapter on taxonomy and phylogeny makes a compelling case that our current notion of Phytophthora as a genus is illusory. This chapter sets the stage for the importance of molecular tools on these enigmatic pathogens. The following chapters discuss species identification, population-level investigation, interspecific hybrids and the impact of diverse Phytophthora species on crops, forests, nurseries, greenhouses and natural areas worldwide.

Comprehensive and Molecular Phytopathology

Author : Yuri Dyakov
Publisher : Elsevier
ISBN 13 : 0080469337
Total Pages : 497 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Comprehensive and Molecular Phytopathology by : Yuri Dyakov

Download or read book Comprehensive and Molecular Phytopathology written by Yuri Dyakov and published by Elsevier. This book was released on 2007-01-09 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a collection of information on successive steps of molecular ‘dialogue’ between plants and pathogens. It additionally presents data that reflects intrinsic logic of plant-parasite interactions. New findings discussed include: host and non-host resistance, specific and nonspecific elicitors, elicitors and suppressors, and plant and animal immunity. This book enables the reader to understand how to promote or prevent disease development, and allows them to systematize their own ideas of plant-pathogen interactions. * Offers a more extensive scope of the problem as compared to other books in the market* Presents data to allow consideration of host-parasite relationships in dynamics and reveals interrelations between pathogenicity and resistance factors* Discusses beneficial plant-microbe interactions and practical aspects of molecular investigations of plant-parasite relationships* Compares historical study of common and specific features of plant immunity with animal immunity

Solanaceae IV

Author : Michael Nee
Publisher : Royal Botanic Gardens Kew
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Solanaceae IV by : Michael Nee

Download or read book Solanaceae IV written by Michael Nee and published by Royal Botanic Gardens Kew. This book was released on 1999 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Fourth International Solanaceae Conference held in Adelaide in 1994. 35 papers cover current research encompassing food crops, medicinal plants and many beautiful ornamentals.

Observations, Botanical and Physiological, on the Potato Murrain

Author : Miles Joseph Berkeley
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Observations, Botanical and Physiological, on the Potato Murrain by : Miles Joseph Berkeley

Download or read book Observations, Botanical and Physiological, on the Potato Murrain written by Miles Joseph Berkeley and published by . This book was released on 1948 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Phytophthora Diseases Worldwide

Author : Donald C. Erwin
Publisher : American Phytopathological Society
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Phytophthora Diseases Worldwide by : Donald C. Erwin

Download or read book Phytophthora Diseases Worldwide written by Donald C. Erwin and published by American Phytopathological Society. This book was released on 1996 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume features a wide range of effective techniques for identifying, diagnosing, and controlling Phytophthora diseases. It also offers the most complete treatment of Phytophthora available, including descriptions of all species in the genus.

Fungal Plant Pathogens, 2nd Edition

Author : Charles R. Lane
Publisher : CABI
ISBN 13 : 1800620551
Total Pages : 331 pages
Book Rating : 4.8/5 (6 download)

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Book Synopsis Fungal Plant Pathogens, 2nd Edition by : Charles R. Lane

Download or read book Fungal Plant Pathogens, 2nd Edition written by Charles R. Lane and published by CABI. This book was released on 2023-07-30 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This substantially updated edition now in full colour provides key techniques used when working with fungal and fungal-like plant pathogens. As a practical manual it also deals with disease recognition, detection and identification of fungi, plus methods to characterise and curate fungi and handle them under quarantine and quality assurance systems. Fungal Plant Pathogens: Applied Techniques, 2nd edition provides a valuable guide to investigating fungal plant diseases and interpreting laboratory findings for postgraduate and advanced undergraduate students, extension plant pathologists, consultants and advisers in agriculture, forestry and horticulture, and the food supply chain.

Oomycete Genetics and Genomics

Author : Kurt Lamour
Publisher : John Wiley & Sons
ISBN 13 : 0470475889
Total Pages : 602 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Oomycete Genetics and Genomics by : Kurt Lamour

Download or read book Oomycete Genetics and Genomics written by Kurt Lamour and published by John Wiley & Sons. This book was released on 2009-06-17 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the knowledge from and tools for genetic and genomic research into oomycetes to help solve the problems this pathogen poses to crops and animals. Armed with the information presented here, researchers can use oomycete data to solve practical problems and gain insight into future areas of interest. Key Features: Offers an up-to-date coverage of research into oomycetes – which has advanced with biochemical and molecular analyses in recent years Helps researchers use oomycete data to solve practical problems, like damage to crop and animal resources Includes a section on interactions with animal hosts Offers perspective on future areas of research Assembles an international author base