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Plant Evolution under Domestication - Gideon Ladizinsky

Plant Evolution under Domestication

Hardcover Published: 31st December 1998
ISBN: 9780412822100
Number Of Pages: 254

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This book emerged from a series of lectures on crop evolution at the Faculty of Agriculture of The Hebrew University of Jerusalem. While many textbooks are available on general evolution, only a few deal with evolution under domestication. This book is a modest attempt to bridge this gap. It was written for advanced undergraduate and graduate students in the fields of crop evolution, ethnobotany, plant breeding and related subjects. Evolution under domestication is unique in the general field of plant evolution for three main reasons: (a) it is recent, having started not much more than 10 000 years ago with the emergence of agri- culture; (b) the original plant material, i. e. the wild progenitors of many important crop plants, still grow in their natural habitats; (c) man played in this process. These factors enable a more reliable a major role assessment of the impact of different evolutionary forces such as hybridization, migration, selection and drift under new circumstances. Interestingly, a great part of evolution under domestication has been unconscious and a result of agricultural practices which have created a new selection criteria, mostly against characters favored by natural selec- tion. Introducing crop plants to new territories exposed them to different ecological conditions enhancing selection for new characters. Diversity in characters associated with crop plants evolution is virtually absent in theit wild progenitors and most of it has evolved under domestication.

Preface
Origin of agriculturep. 1
The economy of hunter-gatherersp. 1
Agriculture, cultivation, domestication and their meaningsp. 4
Transition from foraging to farmingp. 9
The beginning of evolution under domesticationp. 15
Time and place of domesticationp. 31
Patterns of domesticationp. 32
Botany of crop plantsp. 46
Centers of plant domesticationp. 51
Increasing diversity under domesticationp. 61
Mutations and their effectp. 61
Hybridizationp. 81
Barriers to introgressionp. 90
Crop diffusionp. 101
Manipulating genetic variation by breedingp. 107
Developing new variation by transgenesisp. 109
The course of reducing and maintaining genetic diversity under domesticationp. 113
Selectionp. 113
Genetic driftp. 121
Speciation under domesticationp. 127
The species conceptp. 127
The process of speciationp. 135
Instantaneous formation of RIBsp. 138
Speciation under domesticationp. 146
Weeds and their evolutionp. 156
Definitions of weedsp. 156
Origin of weedsp. 157
Biological characteristics of weedsp. 160
Weed evolutionp. 163
Evolution of selected crop plantsp. 171
Faba bean, Vicia faba (Leguminosae-Papilionideae)p. 171
Chickpea, Cicer arietinum (Leguminosae-Papilionideae)p. 174
Barley, Hordeum vulgare (Gramineae-Triticinae)p. 177
Maize, Zea mays (Gramineae-Maydeae)p. 179
Oats, Avena spp. (Gramineae-Aveneae)p. 184
Lettuce, Lactuca sativa (Compositae)p. 189
Carrot, Daucus carota (Umbelliferae)p. 191
Potato, Solanum tuberosum (Solanaceae)p. 193
Almond, Amygdalus communis (Rosaceae)p. 195
Grapes, Vitis vinifera (Vitiaceae)p. 200
Bananas, Musa (Musaceae)p. 202
Vetch, Vicia sativa (Leguminosae-Papilionideae)p. 207
Genetic resources for future crop evolutionp. 209
Cultivated germplasmp. 209
Identifying, locating and collecting wild genetic resourcesp. 212
The field workp. 215
Gene banks and their rolep. 219
In situ conservationp. 220
Referencesp. 223
Indexp. 248
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780412822100
ISBN-10: 0412822105
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 254
Published: 31st December 1998
Publisher: Chapman and Hall
Country of Publication: GB
Dimensions (cm): 23.5 x 15.5  x 1.6
Weight (kg): 1.22