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Author : Gwenda L. Davis
Publisher : Unknown
Page : 552 pages
File Size : 48,7 Mb
Release : 1966
Category : Angiosperms
ISBN : UCAL:B3741910
Author : Brij M. Johri,Kunda B. Ambegaokar,Prem S. Srivastava
Publisher : Springer Science & Business Media
Page : 1243 pages
File Size : 49,6 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783642763953
COMPARATIVE EMBRYOLOGY OF ANGIOSPERMS is a review of the developmental processes leading to sexual reproduction in flowering plants. On the basis of embryological data and certain evidences from other areas of study, it lays special emphasis on the relationship among and within the families and orders of angiosperms. Occasionally, inaccuracies in observation and interpretation are pointed out, alternative interpretations offered, gaps in our knowledge highlighted, and prospects outlined. The text is documented with 36 tables, 376 figures, and about 5000 literature citations, which contribute to making this book comprehensive. Besides students and research workers interested in angiosperm embyology, taxonomists, plant breeders, agriculturists, and horticulturists will also find much useful information in this treatise.
Author : Sant Saran Bhojwani,Woong-Young Soh
Publisher : Springer Science & Business Media
Page : 534 pages
File Size : 54,6 Mb
Release : 2013-04-17
Category : Science
ISBN : 9789401712033
The revolutionary progress made in this fascinating field of sexual reproduction inspired this generously illustrated volume. It includes 21 chapters written by experts, covering all aspects of the embryology of angiosperms, ranging from development, isolation, and structure of gametes to endosperm and seed development.
Author : Panchanan Maheshwari
Publisher : Unknown
Page : 474 pages
File Size : 49,8 Mb
Release : 1950
Category : Angiosperms
ISBN : UOM:39015010091190
First 3 paragraphs of Preface: In these days of intense activity, when hundreds of papers are being published in every field of botany in a steadily increasing number of periodicals and in a multitude of languages, no apology is needed for an attempt to summarize the existing state of our knowledge in any branch of the subject and to point out the future possibilities in it. Since the publication of Coulter and Chamberlain's "Morphology of Angiosperms" in 1903, no comprehensive account of this aspect of botany has appeared in the English language. The original impetus for writing this work resulted from a course of lectures which I gave on the subject in 1930 when I was teaching at the Agra College. Several colleagues and pupils then suggested that I should produce a book on the embryology of angiosperms. This suggestion was repeated by Professor G. Tischler of the University of Kiel, whom I visited in 1936. Teaching and administrative dutes and other difficulties made it impossible for me to carry on this work in India at the speed I should have liked. Soon after the war was over in 1945, therefore, I took the manuscript to the United States in order to revise it and put it in shape for publication. In a strict sense, embryology is confined to a study of the embryo, but most botanists also include under it the events which lead on to fertilization. I am in agreement with this wider comprehension of the subject and have therfore included in this volume not only an account of the embryo and endosperm, but also an account of the development of the male and female gametophytes and fertilization. To emphasize the recent trends of research in the subject, two chapters of a general nature have been added, one dealing with embryology in relation to taxonomy, and the other with experimental embryology. In the former, an attemt has been made to indicate the possibilities of the embryological method in the solution of problems of systematic botany. In the latter, emphasis has been placed on the contacts between embryology, cytology, genetics, and plant physiology.
Author : B. M. Johri
Publisher : Springer Science & Business Media
Page : 850 pages
File Size : 49,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642693021
Thirty-four years have elapsed since the publication of the late Professor P. Maheshwari's text, An Introduction to the Embryology of Angiosperms, a work which for many years served as an invaluable guide for students and a rich source book for research workerso Various texts dealing with sections of the braad spectrum oftopics encompassed by Maheshwari in his book have appeared in the interim, but a compendious modem work dealing with the whole field has been lacking. This present volume splendidly meets the need, and it is altogether fitting that Professor B. M. lohri, long an associate and close colleague of Professor Maheshwari and himself a prolific contributor to the subject, should have undertaken the task of editing it. When Maheshwari wrote, it was stiIl feasible for one author to handIe the subject, but today even someone with his fine bread th of vision and depth of understanding could not, alone, do it justice. So the effort has to be a collaborative one; and Professor lohri's achievement has been to bring together a team of authoritative collaborators, assign them their responsibilities, and put them to work to produce a text as integrated in its treatment as the diversity of the subject would allow. The product vividly illustrates the advances that have been made in the study of angiosperm reproductive systems in the last 30 years, and the book is surely destined to become the new standard for student and researcher alike.
Author : Valayamghat Raghavan
Publisher : CUP Archive
Page : 328 pages
File Size : 49,5 Mb
Release : 1986
Category : Nature
ISBN : 0521267714
For the first time in synoptic form, this book presents a clear account of the most recent knowledge of embryogenesis in flowering plants. A multidisciplinary approach is adopted bringing together the foundations of tissue culture, biochemistry, and cell and molecular biology which have supported the rapid progress of research in angiosperm development. In the first part of the book, the author draws a broad picture of the processes involved in embryogenesis. A brief introduction to procedures is followed by chapters on developmental, cellular, biochemical and experimental aspects of embryogenesis, and on somatic and pollen embryogenesis. Later sections on the regulation of gene expression and mechanisms of programming developmental information precede a treatment of some practical applications resulting from the study of embryos. Two techniques discussed which are aimed towards the goal of enhancing crop productivity in a dynamic and expanding field are embryo rescue from inviable crosses and preservation of germ plasm.
Author : Brij M. Johri,Kunda B. Ambegaokar,Prem S. Srivastava
Publisher : Springer
Page : 1221 pages
File Size : 47,7 Mb
Release : 2014-08-23
Category : Science
ISBN : 3642763979
COMPARATIVE EMBRYOLOGY OF ANGIOSPERMS is a review of the developmental processes leading to sexual reproduction in flowering plants. On the basis of embryological data and certain evidences from other areas of study, it lays special emphasis on the relationship among and within the families and orders of angiosperms. Occasionally, inaccuracies in observation and interpretation are pointed out, alternative interpretations offered, gaps in our knowledge highlighted, and prospects outlined. The text is documented with 36 tables, 376 figures, and about 5000 literature citations, which contribute to making this book comprehensive. Besides students and research workers interested in angiosperm embyology, taxonomists, plant breeders, agriculturists, and horticulturists will also find much useful information in this treatise.
Author : T B Batygina
Publisher : CRC Press
Page : 598 pages
File Size : 40,5 Mb
Release : 2019-04-23
Category : Science
ISBN : 9781439844366
Plant embryology, dealing with the regularities of initiation and the first stages of development of an organism, is now flourishing because of the overall progress being made in natural sciences. Such discoveries of the 20th century as production of plants from a single somatic cell, experimental haploidy, and parasexual hybridization were of general biological significance. The combined efforts of embryologists, geneticists and molecular biologists yielded the discovery of specific genes that control meiosis, egg cell development and early stages of embryogenesis. The tendency to synthesize data of embryology and genetics has become increasingly noticeable. It is connected with the fact that the majority of problems connected with morphogenesis, such as differentiation, specialization, the evaluation of features and the definition of the notionsgene and feature andgenotype and phenotype concern embryology and genetics (embryogenetics) in one way or another. Evolutionary embryology has given rise to a new approach to the study of problems of adaptation in plants. In connection with the problem of preserving biological diversity under conditions of ecological stress, special attention is paid to ecological embryology, revealing the critical periods in early ontogenesis and plasticity and tolerance of reproductive systems at the level of species and population. The study of variability of morphogenesis and phenotype in population (life cycle variations and the diversity of reproductive systems) is the most important point in the population embryology of plants.
Author : Valayamghat Raghavan
Publisher : Cambridge University Press
Page : 726 pages
File Size : 44,9 Mb
Release : 1997-10-13
Category : Science
ISBN : 052155246X
Provides an invaluable reference and source book on plant embryogenesis for cell and molecular biologists, and plant biotechnologists.
Author : S. S. Bhojwani,S. P. Bhatnagar
Publisher : Unknown
Page : 370 pages
File Size : 43,7 Mb
Release : 2001
Category : Angiosperms
ISBN : 0706969006
Author : T B Batygina
Publisher : CRC Press
Page : 439 pages
File Size : 44,7 Mb
Release : 2002-01-09
Category : Science
ISBN : 9781482279917
The book is divided into three parts: Flower, Anther, and Ovule. The principal aim of this volume (along with the other 3 volumes in the series) is to summarize the classical and current concepts about flower generative organs, their structure and development, and about seed formation processes. The book contains ample material that can be employed
Author : T B Batygina
Publisher : CRC Press
Page : 786 pages
File Size : 52,5 Mb
Release : 2005-01-11
Category : Science
ISBN : 9781482280036
This volume covers up-to-date notions of seed structure, processes resulting to its formation (syngamy, triple fusion etc.), as well as of postseminal development (seed dormancy and germination). Great attention has been paid to the morphological and functional aspects of fertilization process and embryo- and endospermogenesis.
Author : B M Johri
Publisher : Unknown
Page : 864 pages
File Size : 48,7 Mb
Release : 1984-10-01
Category : Electronic
ISBN : 3642693032
Embryology: then and now, the microsporangium, the ovule, the female gametophyte, the pollen grain, fertilization, the endosperm, the embryo, polyembryony, gametophytic apomixis, role of polyploidy in reproductive organs and tissues, the seed: structure, the seed: germination, embryology and taxonomy, homologies and phylogeny, experimental embryology.
Author : P. Maheshwari
Publisher : Unknown
Page : 453 pages
File Size : 47,9 Mb
Release : 1976
Category : Electronic
ISBN : OCLC:750987424
Author : P 1904-1966 Maheshwari
Publisher : Scholar Select
Page : 468 pages
File Size : 46,9 Mb
Release : 2015-08-12
Category : Electronic
ISBN : 1298827418
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