Cytogenetics of the Festuca-Lolium Complex Relevance to Breeding
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| Format: | eBook |
| Language: | English |
| Published: |
Berlin, Heidelberg
Springer Berlin Heidelberg
1993, 1993
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| Edition: | 1st ed. 1993 |
| Series: | Monographs on Theoretical and Applied Genetics
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| Subjects: | |
| Online Access: | |
| Collection: | Springer Book Archives -2004 - Collection details see MPG.ReNa |
Table of Contents:
- a Fascinating Group of Grasses
- 1.1 Agronomic Importance
- 1.2 Distribution
- 1.3 Genetic Systems and Strategy for Germplasm Collection and Preservation
- 2 Taxonomic Treatments
- 2.1 General Considerations
- 2.2 Taxonomic Value of Epidermal Patterns and Leaf Sections
- 2.3 Limitations Imposed by Natural Introgression
- 2.4 The Lolium-Festuca-Vulpia Complex
- 2.5 Lolium L
- 2.6 Festuca L
- 2.7 Festuca arundinacea, a Compilospecies
- 2.8 Cytotaxonomic Affinities: Phylogenetic Considerations in the Festuca-Vulpia-Lolium Complex
- 3 Karyotypes and Species Evolution and Divergence
- 3.1 Karyotypic Features and Taxonomy
- 3.2 General Techniques of Studying Somatic Chromosomes
- 3.3 Chromosome Size Variation Among Diploids and Polyploids
- 3.4 Evolution by Increase in Chromosome Numbers
- 3.5 Evolution by Changes in DNA Content
- 3.6 DNA Content and Growth Habit
- 3.7 Constitutive Heterochromatin
- 3.8 Nucleolar Organizer Activity
- Genetic Engineering
- 14.2 Meristem-Tip Culture: a Method to Eliminate Pathogens
- 14.3 In Vitro Callus Cultures and Screening for Tall Fescue Endophyte
- 14.4 Organogenesis and Embryogenesis
- 14.5 In Vitro Cultures and Plant Regeneration
- 14.6 Anther Culture
- 14.7 Somaclonal and Gametoclonal Variation
- 14.8 Colchicine-Induced Variation
- 14.9 Environmentally Induced Somatic Variation
- 14.10 Cytogenetic Manipulation of Hybrid Material
- 14.11 In Vitro Chromosome Doubling
- 14.12 Protoplast Cultures: Regeneration of Plants
- 14.13 Genetic Manipulation at the Cellular Level
- 15 Conclusions and Perspectives
- References
- a Generalized Picture
- 11.7 Intraspecific Hybrids in Lolium L
- 11.8 Intraspecific Hybrids in Festuca L.
- 11.9 Interspecific Hybrids in Lolium
- 11.10 Hybrids Between the Two Ryegrasses: Development of Superior Germplasm
- 11.11 Interspecific Hybrids in Festuca
- 11.12 F. arundinacea (6x) x F. gigantea (6x) Hybridization: Development of Superior Germplasm
- 12 Intergeneric Hybridization, Genome Relationships, and Plant Improvement
- 12.1 Possible Affinity Between Festuca and Other Grass Genera
- 12.2 General Affinities Between Lolium and Festuca
- 12.3 Natural Hybrids
- 12.4 Synthetic Hybrids
- 12.5 Variation in Chromosome Size Between Diploid Species and Pairing in Their Hybrids
- 12.6 Intergeneric Hybridization and Production of Superior Breeding Material
- 6.3 Breeding Implications
- 7 B Chromosomes
- 7.1 Occurrence and Adaptive Value
- 7.2 Pairing Among B Chromosomes in Hexaploid Tall Fescue
- 7.3 Effect on Genetic Recombination
- 7.4 Suppression of Homoeologous Pairing in Hybrids
- 7.5 B Chromosomes in Relation to Plant Breeding
- 8 Natural and Induced Polyploidy
- 8.1 Natural Polyploidy and Its Adaptive Value in Festuca
- 8.2 Absence of Natural Polyploidy in Lolium
- 8.3 Induced Polyploidy in Lolium
- 8.4 Distinguishing Features of Synthetic Polyploids of Lolium
- 8.5 Induced Polyploidy in Festuca
- 8.6 Occurrence of Aneuploids in Synthetic Polyploids
- 8.7 Polyploidy in Relation to Plant Breeding
- 9 Haploidy
- 9.1 Lolium Haploids
- 9.2 Festuca Haploids
- 10 Aneuploids
- 10.1 Lolium
- 10.2 Hexaploid Tall Fescue
- 11 Intra- and Inter-Specific Hybridization, Genome Relationships, and Plant Improvement
- 11.1 General Importance
- 11.2 Crossing Techniques
- 11.3 The Embryo Rescue Technique
- a Case of Desynapsis
- 5.4 Formation of Multivalents: Genetic Bases
- 5.5 Haplo-Insufficiency of the Pairing Control Genes?
- 5.6 Genetic Repression of Diploidizing Gene(s): an Example
- 6 Phylogenetic and Breeding Implications of the Genetic Control of Chromosome Pairing
- 6.1 Phylogenetic Relationships
- 6.2 Evolutionary Implications