Showing papers on "Molecular breeding published in 1990"

Principles and methods of plant breeding

Abstract: Shortened Contents: 1. Importance of Plant Breeding. 2. Phytogeographical Differentiation as a Basis of Plant Breeding. 3. Sources of Genetic Variability. 4. Genetic Basis of Breeding Self-Pollinated Plants. 5. Genetic Basis of Breeding Open Pollinated Plants. 6. Trait, Genotype and Phenotype. 7. Methodologies of Plant Breeding. 8. Concept of Development of Cultivars. 9. Selection of Material for Breeding. 10. Importance of Crossing Methods. 11. Number of Cross Combinations and Size of F 2 Population. 12. Methods of Selection. 13. Selection for Traits and Genetic Gain from Selection. 14. Plant Breeding for Resistance to Parasites. 15. Breeding for Yield. 16. Use of Heterosis. 17. Mutations in Plant Breeding. 18. Chromosome Engineering. 19. Genetic Engineering. 20. Breeding Vegetatively Propagated Plants. 21. Genetic Composition and Adaptability of the Cultivar. 22. Genetic Basis of Seed Production and Introduction of Cultivars into Practice. Author index. Subject index.[/cmt]

Molecular genetics and breeding of vegetable brassicas

Abstract: Genetic traits relevant to breeding vegetable brassicas are surveyed to determine the effects that recent advances in molecular genetics and molecular marker technology might have on breeding priorties and practices. The problems peculiar to breeding horticultural crops are addressed. The application of DNA restriction fragment length polymorphisms (RFLPs) as an aid to breeding brassicas is discussed and genes amenable to molecular analysis are considered in the light of both experimental and economic factors.

Induced Mutations — An Integrating Tool in Genetics and Plant Breeding

Abstract: During the last few years breeders and plant geneticists have shown rekindled interest in mutation techniques as a simple tool to generate desired variability for breeding or basic research. The wide use of model plant mutants, in studies of molecular organization of genomes or of metabolic pathways, has stimulated interest to utilize these techniques in crop improvement by conventional or molecular genetic methods. During the approximately 60 years history of the use of induced mutations in plants a wide range of techniques and approaches have been developed to increase the probability of finding desirable mutants. For example, the traditional methods employing mutagenic chemicals and radiation have been supplemented by the use of in-vitro culture and transposable elements.