Publisher	Prints Publications Pvt Ltd
Publication Year	2022
ISBN-13	9789393674425
E-ISBN	9789394791251
Binding	Hard back
Number of Pages	305 Pages
Language	English
Edition	1
Dimension (Inches)	5.5"x8.5"
Weight (Grams)	510
Subject	Botany
Category	Science, Technology & Medicine

For Plant Taxonomy, several text books are made available in India, but for Plant Biosystematics, books are scarcely available in Indian Subcontinent. The Preparation of this book was motivated by a long felt need for a concise yet fairly comprehensive book of Plant Biosystematics for use in Indian colleges and universities.

This book comprises of 17 important chapters in which different important facts such as plant taxonomy and its relationships with species and subspecies, evolutionary biology, comparison between taxonomy and plant biosystematics, basic process of speciation phenomenon, taxonomic puzzles related to anatomy, palynology, cytology, numerical taxonomy etc. and hybridization process and other important terms of evolutionary adaptations have been explained comprehensively.

Though the UGC has curriculum syllabus, due to lack of books the course was not accommodated in many universities. This book will cater the needs of the students as well as the instructors.

Prof. S. Venkat Ratnam

Prof. S. Venkat Ratnam had his basic training in Plant Cytogenetics. Later he had advanced training in plant Biosystematics under the supervision of Prof. V H Heywood (DSc), D M Moore (PhD) and Prof. J B Harborne (FRS) . He submitted his thesis on “Experimental Taxonomy of section Iris of old world" and published several research papers on various aspects. He obtained his PhD on Experimental Taxonomy (Biosystematics) of section Iris . He had been teaching Plant Biosystematics to MSc student as an elective course. He is also the author and editor of six botany books and co-author of plant taxonomy book alongwith three other authors. He guided many MPhil and PhD students. He has been supervising many students in Plant Ecology, Plant Cytogenetics and Biosystematics for their Doctoral degrees.

S No.	Contents	Page No.
	Preface	v
	Introduction and Historical Account	xi
1	History , Scope and Importance of Biosystematics	1
2	Biosystematics in the Framwork of Evolution	11
3	Relationships of Orthodox Taxonomy and Biosystematics	21
4	Biosystematics-Biosystematic Categories	27
5	Population Size and Density Variation in Individuals	47
6	Variation in Individuals and Populations	57
7	Geographic variability	63
8	Transplant Experiments	71
9	Speciation	83
10	Polyploids, Abrupt Speciation and Catastrophic Selection	103
11	Leaky Isolation Barrier, Gene Flow and Selection	113
12	Isolation Mechanisms	119
13	Breeding Systems	125
14	Recent Trends in Plant Systematic, Anatomy, Palynology, Cytology, Phytochemistry, Numerical Taxonomy, Molecular Taxonomy	137
15	Self Incompatibility	203
16	The Role of Hybridization and Evolution in Taxonomy	221
17	Modern Theory of Evolution	239
	Glossary	253
	Bibliography	269
	Index	297

Plant Biosystematics

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Prof. S. Venkat Ratnam

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