Download or read book Taxonomy and Genetics of Oenothera written by R. Ruggles Gates and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the beginning of this century the mutation theory of evolution, based by HUGO DE VRIES on many years of culture experiments mainly with Oenothera Lamarckiana, took the world by storm when published in 1901. As early as 1889 DE VRIES had shown that various plant "monstrosities" are inherited. His breeding experi ments with other plants involved the rediscovery of MENDEL'S laws and the resuscitation of MENDEL'S breeding methods, which had been in abeyance in the long period from 1865 to 1900. MENDEL began his crossing experiments in 1854, DE VRIES began his Oeno thera cultures in 1886. The genus Oenothera was thus the first after Pisum to be the subject of extensive genetic experiments. Thus was introduced the method now so widely pursued. It may be remembered also that DE VRIES drew the distinction between fluctuations and mutations, but he regarded all fluctuations or continuous variations as non-heritable. Both can be equated with the continuous and discontinuous variations of BATESON. DE VRIES' conception of mutations corresponds with the "single variations" of DARWIN, except that he regarded each mutation as producing a new elementary species, now generally called microspe cies. He said in the introduction to his Mutationstheorie, that the characters of organisms are built up from units which are as sharply distinguished from each other as the molecules of chemistry. These units can be united into groups, and in related species of plants and animals the same units and groups are repeated.
Download or read book Oenothera written by Cornelia Harte and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of the great variety of problems which this genus presents to biologists, Oenothera belongs to the best-known genera of plants not used economically. This book summarizes today's knowledge of Oenothera's genetics and related fields like caryology and cytogenetics. It is further of great value for all those whose research topics are based on genetics, such as developmental and evolutionary biology.
Download or read book Taxonomy and Genetics of Oenothera Forty Years Study in the Cytology and Evolution of the Onagraceae 7 written by R R (Reginald Ruggles) 1882 Gates and published by Hassell Street Press. This book was released on 2021-09-10 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Download or read book Dictionary Of British And Irish Botantists And Horticulturalists Including plant collectors flower painters and garden designers written by Ray Desmond and published by CRC Press. This book was released on 2002-09-11 with total page 3619 pages. Available in PDF, EPUB and Kindle. Book excerpt: An exhaustive treatment of all British and Irish botanists through 1976.
Download or read book North American Cornucopia written by Ernest Small and published by CRC Press. This book was released on 2013-09-23 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many North American plants have characteristics that are especially promising as candidates for expanding our food supply and generating new economically competitive crops. This book is an informative analysis of the top 100 indigenous food plants of North America, focusing on those species that have achieved commercial success or have substantial market potential. The book's user-friendly format provides concise information on each plant. It examines the geography and ecology, history, economic and social importance, food and industrial uses, and the economic future of each crop.
Download or read book Evening primroses Oenothera Occurring in Europe written by and published by . This book was released on 2010 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Selected Guide to the Literature of the Flowering Plants of Mexico written by Ida Kaplan Langman and published by University of Pennsylvania Press. This book was released on 2018-01-09 with total page 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography is a guide to the literature on Mexican flowering plants, beginning with the days of the discovery and conquest of Mexico by the Spaniards in the early sixteenth century.
Download or read book Vistas in Botany written by W. B. Turrill and published by Elsevier. This book was released on 2013-10-22 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vistas in Botany, Volume 4: Recent Researchers in Plant Taxonomy covers some of the more important general aspects of plant taxonomy. This volume is composed of seven chapters that link the practice and theory of taxonomy to plant geography, ecology, pollen anatomy, embryology, genetics, and cytology. The opening chapter outlines the views on plant taxonomy classification, the relevance of these views to biological classification, and some of the problems of classification in the non-taxonomic fields of ecology, soil science, and librarianship. The succeeding chapter presents the classification of the spores in higher plants, the cormophytes. This topic is followed by discussions on the embryological characters of taxonomic significance and the interrelations of plant taxonomy, phytogeography, and plant ecology. The final chapters consider the taxonomic preparation of flora and plant fossils. This book will prove useful to taxonomists, botanists, ecologists, and scientists and researchers in the allied fields of botany.
Download or read book Plant Taxonomy written by Tod F. Stuessy and published by Columbia University Press. This book was released on 2009-01-01 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of plant taxonomy has transformed rapidly over the past fifteen years, especially with regard to improvements in cladistic analysis and the use of new molecular data. The second edition of this popular resource reflects these far-reaching and dramatic developments with more than 3,000 new references and many new figures. Synthesizing current research and trends, Plant Taxonomy now provides the most up-to-date overview in relation to monographic, biodiversity, and evolutionary studies, and continues to be an essential resource for students and scholars. This text is divided into two parts: Part 1 explains the principles of taxonomy, including the importance of systematics, characters, concepts of categories, and different approaches to biological classification. Part 2 outlines the different types of data used in plant taxonomic studies with suggestions on their efficacy and modes of presentation and evaluation. This section also lists the equipment and financial resources required for gathering each type of data. References throughout the book illuminate the historical development of taxonomic terminology and philosophy while citations offer further study. Plant Taxonomy is also a personal story of what it means to be a practicing taxonomist and to view these activities within a meaningful conceptual framework. Tod F. Stuessy recalls the progression of his own work and shares his belief that the most creative taxonomy is done by those who have a strong conceptual grasp of their own research.
Download or read book Tuberales written by Helen Margaret Gilkey and published by . This book was released on 1954 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Revised Classification of the Onagraceae written by Warren Lambert Wagner and published by . This book was released on 2007 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Genetics of Flowering Plants written by Verne Grant and published by Columbia University Press. This book was released on 1975 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gore Vidal, known for such best-sellers as The City and the Pillar, Burr, Lincoln, and Myra Breckinridge, is a household name. The controversial Vidal ran for Congress in 1960, and set sparks flying with his public debates challenging William F. Buckley and Norman Mailer. Although one of America's most admired and prolific writers, Vidal has been steadfastly ignored or impugned by many critics. This is partly owing to the vast scope of his writings, which include more than twenty novels, half a dozen plays, dozens of screenplays, countless essays and book reviews, political commentary, and short stories; how do the critics approach such a writer? There has also been backlash against Vidal, whose radical polemics and undisguised contempt for those whom he has called "the hacks and hicks of academe" have hardly endeared him to the critical establishment. Gore Vidal: Writer Against the Grain is the first collection of critical essays to approach this important American writer in an attempt to rectify the unwarranted underestimation of his work. Jay Parini has drawn from the best of previously published criticism and commissioned fresh articles by leading contemporary critics to construct a comprehensive portrait of Vidal's multifaceted and memorable career. Writers as diverse as Harold Bloom, Stephen Spender, Catharine R. Stimpson, Richard Poirier, and Italo Calvino examine Vidal's work in their own highly individual ways, and each finds a different Vidal to celebrate, chide, recollect, or view close up. Also included is a recent interview with Parini in which Vidal discusses his career and his troubled relationship with the reviewers.The Vidal that finally emerges from these essays is a writer of undeniable weight and importance. As readers will agree, Gore Vidal: Writer Against the Grain establishes his rightful role as one of the premier novelists and leading critical observers of this century.
Download or read book Progress in Botany Fortschritte der Botanik written by Karl Esser and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Breeding Abstracts written by and published by . This book was released on 1999 with total page 1664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plants of Oceanic Islands written by Tod F. Stuessy and published by Cambridge University Press. This book was released on 2017-10-26 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive view of the origin and evolution of the plants of an entire oceanic archipelago.
Download or read book Dictionary Of British And Irish Botanists And Horticulturists Including plant collectors flower painters and garden designers written by Ray Desmond and published by CRC Press. This book was released on 1994-02-25 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past four centuries botanists and gardeners in the British Isles have gathered, maintained and propagated many varying species of plants. Their work has been documented in innumerable books and articles which are often difficult to trace. The Dictionary of British and Irish Botanists and Horticulturalists represents a time-saving reference source for those who wish to discover more about the lives and achievements of the horticulturalists listed. The dictionary's utility comes not only from indicating the major publications of the named authors, but also the location of their herbaria and manuscripts.; The previous 1977 edition of the Dictionary has for many years been a much used source of information for botanists, botanic artists and archivists. In this revised edition the scope has been expanded to include among its 13,000 entries flower painters in addition to botanical artists over 1400 entries and, for the first time, garden designers.; Finally the Dictionary should have international appeal since so many botanists and gardeners worked on collective plants overseas, in particular in North America and the British Commonwealth.; Each entry gives, wherever possible, details of dates and places of birth and death, educational qualifications, professional posts, honours and awards, publications, location of plant collections, manuscripts, drawings and portraits. Its main function, however, is to provide further biographical references to books and periodicals. Comprehensive classified indices facilitate access by professions and activities, countries, and plant interests.
Download or read book Plant Evolution written by Karl J. Niklas and published by University of Chicago Press. This book was released on 2016-08-12 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although plants comprise more than 90% of all visible life, and land plants and algae collectively make up the most morphologically, physiologically, and ecologically diverse group of organisms on earth, books on evolution instead tend to focus on animals. This organismal bias has led to an incomplete and often erroneous understanding of evolutionary theory. Because plants grow and reproduce differently than animals, they have evolved differently, and generally accepted evolutionary views—as, for example, the standard models of speciation—often fail to hold when applied to them. Tapping such wide-ranging topics as genetics, gene regulatory networks, phenotype mapping, and multicellularity, as well as paleobotany, Karl J. Niklas’s Plant Evolution offers fresh insight into these differences. Following up on his landmark book The Evolutionary Biology of Plants—in which he drew on cutting-edge computer simulations that used plants as models to illuminate key evolutionary theories—Niklas incorporates data from more than a decade of new research in the flourishing field of molecular biology, conveying not only why the study of evolution is so important, but also why the study of plants is essential to our understanding of evolutionary processes. Niklas shows us that investigating the intricacies of plant development, the diversification of early vascular land plants, and larger patterns in plant evolution is not just a botanical pursuit: it is vital to our comprehension of the history of all life on this green planet.
