The Search for Wild Relatives of Cool Season Legumes by Gideon LadizinskyThe Search for Wild Relatives of Cool Season Legumes by Gideon Ladizinsky

The Search for Wild Relatives of Cool Season Legumes

byGideon Ladizinsky, Shahal Abbo

Paperback | April 16, 2015

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The study of origin and domestication of legumes described in this book emerged when it became apparent that while this kind of information is adequate for cereals, the pulses lagged behind. At the end of the 1960s the senior author initiated a study on the chickpea's wild relatives followed by similar attempts for broad bean, fenugreek, common vetch, bitter vetch, and lentil. The junior author joined the project in the late 1980s with a study of the genetics of interspecific hybrid embryo abortion in lentil and later has extensively investigated chickpea domestication and wild peas. While this book mainly describes our research findings, pertinent results obtained by others are also discussed and evaluated. Studying the wild relatives of legumes included evaluation of their taxonomic status, their morphological variation, ecological requirements, exploration of their distribution, and seed collection in their natural habitats. Seeds were examined for their protein profile as preliminary hints of their affinity to the cultigens and plants grown from these seeds were used for establishing their karyotype, producing intra- and interspecific hybrids and analyses of their chromosome pairing at meiosis and fertility. The aim of these investigations was the identification of the potential wild gene pool of the domesticated forms. Assessment of genetic variation among accessions, particularly in the genus Lens, was made by isozymes and chloroplast DNA studies. The main findings include the discovery of the chickpea wild progenitor; studies of lentil in three crossability groups; wild peas proceeded in two lines of study; faba bean and fenugreek and their wild progenitors have not yet been identified; common vetch and its related form were treated here as an aggregate (A. sativa); we found gene flow between members of different karyotypes is possible; bitter vetch and its relation to the domesticated form were established by breeding experiments.
Dr. Gideon Ladizinsky serves as professor emeritus of Genetics and Plant Breeding for The Hebew University of Jerusalem. His research interests include evolution of cultivated crops, chromosomal and genetic diversity in wild relatives, the anatomy and genetics of interspecific hybrid embryo abortion, and gene transfer between wild tetr...
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Title:The Search for Wild Relatives of Cool Season LegumesFormat:PaperbackDimensions:103 pagesPublished:April 16, 2015Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3319145045

ISBN - 13:9783319145044

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Table of Contents

Contents

1 TheLensGenus

1.1 Morphology and Taxonomy

1.1.1LensMorphology

1.1.2 Key to theLensspecies

1.2 Description, Ecology and Distribution

1.2.1Lens culinarisssp. culinaris

1.2.2Lens culinarisssp.orientalis

1.2.3Lens ervoides

1.2.4Lens ervoidesin Ethiopia and Uganda

1.2.5Lens lamottei

1.2.6Lens nigricans

1.2.7Lens odemensis

1.2.8Lens tomentosus

1.3 Genetics of Morphological Variation in Wild Lentils

1.4 Dwarfing Genes in the GenusLens

1.5 Variation in Molecular Markers

1.6 Chromosome Variation

1.7 Crossability and Cytogenetic Relationships

1.7.1 Genetic Nature of Hybrid Embryo Breakdown in the GenusLens

1.8 The Wild Gene Pool of Lentil

1.8.1 Potential of the Wild Genetic Resources

1.9 The Species Concept

1.10 Lentil Domestication

1.10.1 Wild Lentil as a Food Source for Prehistoric Humans

1.10.2 The Mystery of Early Lentil Cultivation

1.11 Wild Genetic Stock of the Domesticated Lentil

2 The AnnualSpecies of theCicerGenus

2.1 Taxonomy of AnnualCicerSpecies

2.1.1 Key to the Annual Cicer Species

2.2 Morphology of AnnualCicerSpecies

2.3 The Search for the Wild Progenitor of Chickpea

2.4 Distribution and Ecology of Other Wild Chickpea Annual Species

2.5 Crossability Relationships Among the Annual Chickpea Species

2.6 Economic Potential of Wild Genetic Resources of Chickpea

2.7 The Mystery ofCicer canariense

2.8 Pathosystems of Ascochyta Blight in Chickpea and its Wild Relatives

2.9 Chickpea Domestication

2.9.1 Evidence for Introgression from Domesticated to Wild Chickpea

3. ThePisumGenus

3.1 Morphology and Taxonomy

3.1.1 Key toPisumSpecies and Subspecies

3.2 Distribution and Ecology

3.2.1Pisum fulvum

3.2.2Pisum sativumssp.elatius

3.2.3Pisum sativumssp.humile

3.2.3.1Pisum sativumssp. humile var.syriacum

3.2.3.2Pisum sativumssp. humilevar. humile

3.3 Crossability and Species Relationships

3.4 Species Relationships inPisumas Inferred from DNA Sequence Comparisons

3.5 Utilization of WildPisumGermplasm for Pea Improvement

3.5.1Pisum fulvum

3.5.2Pisum sativumssp. humile

3.5.3Pisum sativumssp. elatius

3.6 Pea Domestication

4 Legumes with No Documented Genetic Relatives

4.1 Faba Bean

4.1.1 Chromosome Numbers and Karyotypes

4.1.2 Seed Protein Profiles

4.1.3 Crossability Experiments

4.1.4 Characterization of the Hypothetical Wild Progenitor of Faba Bean

4.2 Fenugreek

5 Fodder Crops

5.1Vicia sativa, Aggregate of Common Vetch

5.1.1 Chromosome Variation and the Nature of Interkaryotypic Hybrids

5.1.2 Evolution ofVicia sativaAggregate

5.1.3 Economic Potential ofVicia sativaWild Genetic Resources

5.1.4 Polyploidy in theVicia sativaAggregate

5.2Vicia ervilia, Bitter Vetch