Artículos relacionados a Plant Breeding Systems
Sinopsis
This illustrated study provides comprehensive coverage of plant breeding systems. At the levels of both the individual plant and of the plant population, genetic variation and evolutionary change are ever-present, and it is clear that they are heavily influenced by plant mating patterns.;The breeding system is considered as part of an overall adaptive syndrome that influences, and is influenced by, microevolutionary constraints. Pollination biology, gene flow, incompatibility, variation in gender, heteromorphic systems, self-fertilization, and asexual reproduction can all be important components of a breeding system. Introductory chapters place these in the context of sexual theory and sexual function.
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Reseña del editor
Undoubtedly, Charles Darwin can be considered as the father of plant breeding system studies. In his two books The Effects of Cross and Self-Fertilisation in the Vegetable Kingdom, and The Different Forms of Flowers on Plants of the Same Species, Darwin pioneered work on self incompatibility, inbreeding depression, heteromorphy, gynodioecy, pollination biology and gene flow, although he himself had no concept of the gene. The discovery of plant chromosomes, and the important role played by chromosomal mechanisms in plant evolution dominated plant evolution ary genetics in the first half of the 20th century. Despite the lead taken by Darwin, studies on plant breeding systems proceeded very slowly during this period, although work during the 1920s revealed the genetic basis of self-incompatibility mechanisms. At least two generations ahead of his time, Sewall Wright was providing a sound and sophisticated model basis to the subject, the complexity and relevance of which is still being revealed today.
Reseña del editor
This illustrated study provides comprehensive coverage of plant breeding systems. At the levels of both the individual plant and of the plant population, genetic variation and evolutionary change are ever-present, and it is clear that they are heavily influenced by plant mating patterns.;The breeding system is considered as part of an overall adaptive syndrome that influences, and is influenced by, microevolutionary constraints. Pollination biology, gene flow, incompatibility, variation in gender, heteromorphic systems, self-fertilization, and asexual reproduction can all be important components of a breeding system. Introductory chapters place these in the context of sexual theory and sexual function.
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