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Author : Michael Devey
Publisher :
ISBN 13 : 9780643063143
Total Pages : 120 pages
Book Rating : 4.0/5 (631 download)
Download or read book Current and Potential Impacts of Pitch Canker in Radiata Pine written by Michael Devey and published by . This book was released on 1999 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : UCANR Publications
ISBN 13 : 9781601073662
Total Pages : 16 pages
Book Rating : 4.0/5 (736 download)
Download or read book Pitch Canker: A Technical Review written by and published by UCANR Publications. This book was released on 2003 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gregory James Reynolds
Publisher :
ISBN 13 : 9781339261119
Total Pages : pages
Book Rating : 4.2/5 (611 download)
Download or read book Impacts of Systemic Acquired Resistance to Pitch Canker on Monterey Pine Population Dynamics, Resistance Phenotypes and Fitness written by Gregory James Reynolds and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Systemic acquired resistance (SAR) is a mechanism by which plants may respond to initial pathogen challenge through activation of inducible defense responses, thereby increasing resistance to subsequent infection attempts. Fitness costs are assumed to be incurred by plants induced for SAR, and several studies have attempted to quantify these costs. Monterey pine (Pinus radiata), the first plant shown to express SAR in nature, is native to California and widely planted in Mediterranean climates around the world. Pitch canker, a disease caused by Fusarium circinatum, is a serious threat to P. radiata in native forests and in plantations. We developed various models based on our data and data from other studies on SAR to simulate dynamics of P. radiata, F. circinatum, and the SAR resistance mechanism. Our objectives in this work were to 1) develop a mathematical model based on game theory to simulate competition between hypothetical plant populations with and without the capability for SAR, 2) develop a matrix projection model based on P. radiata demography data collected in native stands to project Monterey pine populations over time in the presence of pitch canker, 3) develop a process-based model to explain an observed shift in P. radiata resistance phenotypes to pitch canker in areas where the disease is well established, 4) quantify the impacts of SAR to pitch canker on fitness in P. radiata, and 5) confirm microscopically that F. circinatum can infect P. radiata shoot tissue without wounding. Our game theory model combines theoretical and experimental work on SAR and allows for speculation on disease pressure that might have been present when the phenomenon first evolved. Our matrix projection model is a potential resource for plantation managers and other stakeholders to inform future management decisions in the face of pitch canker and other disease issues. Our process-based SAR response model provides an explanation for shifts in P. radiata resistance phenotype distributions observed in nature and suggests a possible pathway for epidemic development in new outbreaks of pitch canker. Our work also shows no reduction in growth of P. radiata associated with SAR at the levels tested and that there may even be a benefit to priming for SAR as a disease management tool in plantation forestry. Finally, microscopic studies on a GFP-expressing isolate of F. circinatum demonstrated that the fungus can colonize stem epidermal and cortical tissue even in the absence of a wound, which may or may not result in development of symptoms.
Author : George M. Blakeslee
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book Pitch Canker of Southern Pines written by George M. Blakeslee and published by . This book was released on 1980 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy D. Paine
Publisher : Springer Science & Business Media
ISBN 13 : 140205162X
Total Pages : 188 pages
Book Rating : 4.4/5 (2 download)
Download or read book Invasive Forest Insects, Introduced Forest Trees, and Altered Ecosystems written by Timothy D. Paine and published by Springer Science & Business Media. This book was released on 2007-05-24 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demand for timber and fibre continues to grow and is being met by increased reliance on plantation forestry. Many of the plantations that are being grown around the globe are non-native species that have characteristics of rapid growth and good commercial qualities. In some cases, the high rates of production are a result of the absence of native herbivore and diseases. This limited pest status is threatened as pest species move around the globe. At the same time there is concern about threats of these non-native plantation species on native communities and the impact of changing climates on forest productivity. This volume explores many of these issues for the first time.
Author : Tyler Dreaden
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Pitch Canker Disease of Pines written by Tyler Dreaden and published by . This book was released on 2010 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (13 download)
Download or read book IMPACT I written by and published by . This book was released on 2004 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (319 download)
Download or read book National Proceedings, Forest and Conservation Nursery Associations, 2006 written by and published by . This book was released on 2007 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings is a compilation of 24 papers that were presented at the regional meetings of the forest and conservation nursery associations in the United States in 2006. The Western Forest and Conservation Nursery Association meeting was held at the Hilton Resort Hotel and Conference Center in Eugene, Oregon on June 19 to 22. The meeting was hosted by the USDA Forest Service Dorena Genetic Resource Center and Plum Creek Container Nursery. Morning technical sessions were followed by field trips to USDA Forest Service Dorena Genetic Resource Center and Plum Creek Container Nursery in Cottage Grove, and USDA Agricultural Research Service National Clonal Germplasm Repository in Corvallis. Subject matter for the technical sessions included bareroot and container nursery culturing and monitoring, disease management, and native species restoration. The Southern Forest Nursery Association meeting was held July 10 to 13 at the Holiday Inn Select in Tyler, Texas. The meeting was hosted by the Texas Forest Service Indian Mound Nursery. Technical sessions were followed by tours of the International Paper SuperTree Nursery, Agtoprof, and Kiepersol Estate, outside Tyler; International Paper Forest Seed Center in Douglass; and Texas Forest Service Indian Mound Nursery in Alto. Subject matter for the technical sessions included labor relations and regulations, bareroot and container nursery culturing, hardwood management, pesticide use, and outplanting strategies.
Author : Rowland Burdon
Publisher : Springer
ISBN 13 : 3319650181
Total Pages : 508 pages
Book Rating : 4.3/5 (196 download)
Download or read book Domestication of Radiata Pine written by Rowland Burdon and published by Springer. This book was released on 2017-12-12 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: In nature, radiata pine is very localised and an obscure tree species despite the romantic character of much of its natural habitat. That obscure status and the lack of any reputation as a virgin timber slowed its due recognition as a commercial crop. Nevertheless, it has become a major plantation forest crop internationally. It has become the pre-eminent commercial forest species in New Zealand, Chile and Australia, with important plantings in some other countries. It consequently features prominently in the international trade in forest products, in addition to its importance in domestic markets of grower countries. Very fast growth, considerable site tolerances, ease of raising in nurseries and transplanting, and ease of processing and using its wood for a range of products and purposes, have made it the utility softwood of choice almost everywhere it can be grown satisfactorily. Abundant genetic variation and its amenability to other management inputs created special opportunities for its domestication. The story of its domestication forms a classic case history in the development of modern commercial forestry, with trailblazing in both genetic improvement and plantation management; this inevitably meant a learning process that provided instructive lessons, especially for tree breeders dealing with some other species. Paradoxically, the plantation monocultures have played and can continue to play an important role in protecting natural forests and other forms of biodiversity. Given the attractions of growing radiata pine, there were inevitably cases of overreach in planting it, with lessons to be learnt. Economic globalisation has meant globalisation of pests and disease organisms, and the scale on which radiata pine is grown has meant is has been the focus of various biotic alarms, none of which have proved catastrophic. Temptations, remain, however, to pay less than due attention to some aspects of risk management. The chapter structure of the book is based on historical periods, beginning long before any important human influences, and ending with a look into what the future might hold for the species and its role in human and ecological sustainability. Almost throughout, there has been complex interplay between the technical aspects, local social and economic factors, various types of institution, the enthusiasm and drive of some very influential individuals, and tides of economic ideology, threads that needed to be woven together to do the story justice.
Author : Paolo Gonthier
Publisher : CABI
ISBN 13 : 1780640404
Total Pages : 681 pages
Book Rating : 4.7/5 (86 download)
Download or read book Infectious Forest Diseases written by Paolo Gonthier and published by CABI. This book was released on 2013 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, forest health and the management of threats towards it are attracting more and more attention on a global scale. This book covers the most recent advances in the management of forest diseases, including the epidemiology and infection biology of forest pathogens, and forest protection based on integrated pest and disease management approaches. A comprehensive range of diseases caused by viruses, bacteria, fungi and other organisms are discussed in detail, making this book essential reading for forest managers and extension specialists. Written by recognized authorities in the subject of forest health, this book also provides a wealth of information useful for researchers and lecturers of forest pathology and ecology.
Author :
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.8/5 (38 download)
Download or read book Proceedings RMRS. written by and published by . This book was released on 1998 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (319 download)
Download or read book Pitch Canker of Pines written by and published by . This book was released on 1979 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251084025
Total Pages : 304 pages
Book Rating : 4.2/5 (51 download)
Download or read book THE STATE OF THE WORLD’s FOREST GENETIC RESOURCES written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-05-25 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The publication was prepared based on information provided by 86 countries, outcomes from regional and subregional consultations and commissioned thematic studies. It includes: •an overview of definitions and concepts related to Forest Genetic Resources (FGR) and a review of their value; •a description of the main drivers of changes; •the presentation of key emerging technologies; •an analysis of the current status of FGR conservation, use and related developments; •recommendations addressing the challenges and needs. By the FAO Commission on Genetic Resources for Food and Agriculture.
Author : Cassandra Swett
Publisher :
ISBN 13 : 9781303443947
Total Pages : pages
Book Rating : 4.4/5 (439 download)
Download or read book The Biology and Ecology of Cryptic Life History Strategies of the Pitch Canker Pathogen Fusarium Circinatum in Pinus Radiata Seedlings and Alternate Grass Hosts written by Cassandra Swett and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fungal pathogens of plants can be cryptic associates both in hosts that may eventually become diseased, and in plants that will never develop symptoms. Such cryptic associations have important implications for unintended movement of plant pathogens and predictions of disease outcomes. Fusarium circinatum is a pathogen of many pine species worldwide, causing a disease known as pitch canker. Pinus radiata, one of the most susceptible and economically important hosts, is damaged by pitch canker in native forests, and in production systems in South Africa, Chile and Spain. The first objective of this project was to determine if grasses can serve as alternate hosts of F. circinatum, by characterizing endophytic life history strategies in corn (Zea mays) (Chapter 1) and conducing surveys that identified cryptic infection of grasses in native pine forests in California (Appendix 1) and plantations in South Africa (Appendix 2). These studies document the first non-coniferous hosts for F. circinatum. The second objective was to characterize the manner in which F. circinatum colonizes P. radiata seedlings (Chapter 2). The results revealed a commensal to potentially beneficial association within roots, which leads to disease only when colonization extends into shoot tissue. These studies offer a reinterpretation of this fungus as a hemibiotrophic, rather than a necrotrophic, pathogen. Moreover, cryptic root infections in pine seedlings were found to induce a systemic response that rendered plants more resistant to subsequent shoot infections by the same fungus in a dose dependent fashion that did not reduce seedling fitness (Chapter 3). This indicates that regenerating populations may be able to adaptively respond to pathogen infection and thereby persist, contrary to the current concept that seedling survival is contingent upon escape. Cumulatively, these studies point to the possibility that pathogenicity to pines may not be central to the life history of F. circinatum, but may instead be an artifact of introduction into new host environments.
Author :
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (31 download)
Download or read book Southern Forest Science written by and published by . This book was released on 2004 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Southern forests provide innumerable benefits. Forest scientists, managers, owners, and users have in common the desire to improve the condition of these forests and the ecosystems they support. A first step is to understand the contributions science has made and continues to make to the care and management of forests. This book represents a celebration of past accomplishments, summarizes the current state of knowledge, and creates a vision for the future of southern forestry research and management. Chapters are organized into seven sections: "Looking Back," "Productivity," "Forest Health," "Water and Soils," "Socioeconomic," "Biodiversity," and "Climate Change." Each section is preceded by a brief introductory chapter. Authors were encouraged to focus on the most important aspects of their topics; citations are included to guide readers to further information."
Author : Karen Ruth Wikler
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (34 download)
Download or read book Tracing the Course of an Introduced Pathogen written by Karen Ruth Wikler and published by . This book was released on 1999 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mercedes Fernández-Fernández
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Pine Pitch Canker and Insects: Relationships and Implications for Disease Spread in Europe written by Mercedes Fernández-Fernández and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The fungal pathogen Fusarium circinatum (Nirenberg and O' Donnell) is the causal agent of pine pitch canker (PPC) disease, which seriously affects conifer species in forests and nurseries worldwide. In Europe, PPC is only established in the Iberian Peninsula; however, it is presumed that its range could expand through the continent in the near future. Infection caused by this fungus requires open wounds on the tree, including physical damage caused by insects. Therefore, a relationship probably occurs between PPC and a wide variety of insects. The aim of this review is to outline the taxonomic and ecological diversity of insect species with high potential association with F. circinatum in Europe and elsewhere. The insects were classified as vectors, carriers and wounding agents according to the association level with the PPC disease. In addition, we discuss the insect-mediated spreading of PPC disease in relation to the different phases of forest stand development, from seeds and seedlings in nurseries to mature stands. Lastly, to improve our predictive capacities and to design appropriate intervention measures and strategies for controlling disease dissemination by insects, variables such as geographic location, time of the year and host species should be considered. Our review provides a framework of the multiple factors that regulate the insect-host interactions and determine the success of the infection
