Taxonomy And Genetics Of Oenothera
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Taxonomy And Genetics Of Oenothera
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Author : R. Ruggles Gates
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Taxonomy And Genetics Of Oenothera written by R. Ruggles Gates and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Taxonomy And Genetics Of Oenothera Forty Years Study In The Cytology And Evolution Of The Onagraceae 7
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Author : R R (Reginald Ruggles) 1882 Gates
language : en
Publisher: Hassell Street Press
Release Date : 2021-09-10
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 has been published by Hassell Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-10 with categories.
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.
Oenothera
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Author : Cornelia Harte
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Oenothera written by Cornelia Harte and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Vistas In Botany
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Author : W. B. Turrill
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Vistas In Botany written by W. B. Turrill and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Nature categories.
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.
North American Cornucopia
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Author : Ernest Small
language : en
Publisher: CRC Press
Release Date : 2013-09-23
North American Cornucopia written by Ernest Small and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-23 with Science categories.
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.
Dictionary Of British And Irish Botantists And Horticulturalists Including Plant Collectors Flower Painters And Garden Designers
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Author : Ray Desmond
language : en
Publisher: CRC Press
Release Date : 2002-09-11
Dictionary Of British And Irish Botantists And Horticulturalists Including Plant Collectors Flower Painters And Garden Designers written by Ray Desmond and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-09-11 with Science categories.
An exhaustive treatment of all British and Irish botanists through 1976.
Current Catalog
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Author : National Library of Medicine (U.S.)
language : en
Publisher:
Release Date : 1967
Current Catalog written by National Library of Medicine (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Medicine categories.
Includes subject section, name section, and 1968-1970, technical reports.
National Library Of Medicine Current Catalog
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Author : National Library of Medicine (U.S.)
language : en
Publisher:
Release Date : 1971
National Library Of Medicine Current Catalog written by National Library of Medicine (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Medicine categories.
First multi-year cumulation covers six years: 1965-70.
Bibliography Of Agriculture
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Author :
language : en
Publisher:
Release Date : 1967
Bibliography Of Agriculture written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Agriculture categories.
Canadian Medicinal Crops
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Author : Ernest Small
language : en
Publisher: NRC Research Press
Release Date : 1999
Canadian Medicinal Crops written by Ernest Small and has been published by NRC Research Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Health & Fitness categories.
The introduction to this work reviews topics of general interest, including the history of plants in medicine, medicinal chemicals found in plants, the popularity of herbal medication, neutraceuticals, drugs from plants, and the economic importance of medicinal plants. The main section contains detailed species accounts of such plants as ginseng, yew, kelp, cohosh, witch hazel, and cranberry. Information provided includes scientific & common names, description & classification, agricultural & commercial aspects, medicinal & non-medicinal uses, toxicity, chemistry, and human interest information. Additional chapters address such topics as the medicinal plant business, the regulatory & legal framework for medicinal plant production & marketing, hazards associated with medicinal plants, and medicinal plant research in Canada. Includes glossary.