دانلود کتاب Plant Breeding Reviews, Volume 20

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PLANT BREEDING REVIEWS Volume 20......Page 1
Contents......Page 6
List of Contributors......Page 8
1. Dedication: Norman Willison Simmonds; Plant Breeder, Teacher, Administrator......Page 10
2. The Origin of Maize: Evidence for Tripsacum Ancestry......Page 24
I. Introduction......Page 25
II. Theoretical Framework......Page 27
III. Taxonomic Classification......Page 31
IV. The Nature of the Evidence......Page 40
V. Synthesis and Future Directions......Page 64
Literature Cited......Page 66
3. History of Public Onion Breeding Programs in the United States......Page 76
I. Introduction......Page 77
II. History of Onion in the Americas......Page 80
III. State Experiment Station Programs......Page 104
IV. Future Prospects for Public Onion Breeding in the United States......Page 108
Literature Cited......Page 110
I. Introduction......Page 114
II. History of Lettuce Breeding......Page 115
III. Breeding Efforts......Page 116
IV. Lettuce Breeding for the Future......Page 126
Literature Cited......Page 139
5. Cactus Pear Domestication and Breeding......Page 144
I. Introduction......Page 145
II. Origin and Early Development......Page 147
III. Genetic Resources......Page 150
IV. Breeding Objectives......Page 154
V. Breeding Techniques......Page 161
VI. Breeding Systems......Page 167
VII. Summary and Future Prospects......Page 170
Literature Cited......Page 171
6. Somatic Hybridization and Applications in Plant Breeding......Page 176
I. Introduction......Page 177
II. Recent Efforts in Somatic Hybridization......Page 182
III. Conclusion......Page 218
Literature Cited......Page 221
Subject Index......Page 236
Cumulative Subject Index......Page 238
Cumulative Contributor Index......Page 254