Genetics and Genomics of Populus

Trees are truly amazing! Woody species underpin vital terrestrial ecosystems, present a complex array of evolutionary novelties, and provide essential benefits and commodities. Trees play a key role in the major biogeochemical cycles, including water, oxy

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Volume 8

Genetics and Genomics of Populus

Plant Genetics and Genomics: Crops and Models Volume 8

Series Editor Richard A. Jorgensen

For further volumes: http://www.springer.com/series/7397

Stefan Jansson · Rishikesh P. Bhalerao · Andrew T. Groover Editors

Genetics and Genomics of Populus

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Editors Stefan Jansson Umeå Plant Science Centre Department of Plant Physiology University of Umea SE-901 87 Umea Sweden Andrew T. Groover Institute of Forest Genetics Pacific Southwest Research Station USDA Forest Service Davis CA 95618 USA

Rishikesh P. Bhalerao Umeå Plant Science Centre Department of Forest Genetics & Plant Physiology Swedish University of Agricultural Sciences SE-901 83 Umea Sweden

ISBN 978-1-4419-1540-5 e-ISBN 978-1-4419-1541-2 DOI 10.1007/978-1-4419-1541-2 Springer New York Dordrecht Heidelberg London Library of Congress Control Number: 2009943301 © Springer Science+Business Media, LLC 2010 All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Preface

Trees are truly amazing! Woody species underpin vital terrestrial ecosystems ranging from the Amazon rainforests to the Krummolz forests that grow on harsh mountaintop environments, to the vast boreal forests that ring the northern hemisphere. Forest trees also present a complex array of evolutionary novelties, including the ability to measure and anticipate the changing seasons (perennial growth), and the ability to produce massive, woody bodies. Indeed, forest trees include the oldest (Pinus longaeva) and largest (Sequoiadendron giganteum) sexually producing, non-clonal species. Among species with clonal reproduction, it has been suggested that the massive “Pando” grove of Populus tremuloides in Utah may be the largest organism in the world. Forest trees also provide important benefits and commodities. Trees provide lumber and wood products, pulp and paper, and are a major energy source for many developing countries. Trees also play a key role in the major biogeochemical cycles, including water, oxygen, and nitrogen. Notably, forests are second only to oceans in the biological sequestration of carbon, and forests are recognized for their vital role in regulating the concentration of the greenhouse gas, CO2 . At the same time, forests are threatened by land clearing for development and a