TY - BOOK AU - Jensen, Neal TI - Plant breeding methodology SN - 047160190X U1 - Ref 631.5 J45p 1988 PY - 1988/// CY - New York PB - Wiley KW - Plant breeding – Methodology N1 - Section I introductory topics – 1. Introduction to methodology – Strategy versus tactics – Examples of methodology use – Combination breeding methods – References – 2. Genetic engineering and the future – What has brought us to this transition period? – What is genetic engineering? – References – Section II breeding and selection methods – 3. Primary methods shaped by historical usage-a preamble – References – 4. The mass selection method – Examples of the mass selection method – Discussion of mass selection – References – 5. Pedigree and F2-derived family methods – Examples of the pedigree and F2-derived family methods – Discussion of pedigree selection – References – 6. Backcross method – Early use of the backcross – Briggs in forefront of backcross development – Ongoing research solidifies backcross status – Recent advances in backcross use – Use of backcross in introgression of exotic germ plasm – Stability and the backcross method – "Near-isogenic" lines are real – Discussion of the backcross method – References – 7. Methods shaped by competitive forces – The role of competition – The nature of competition – Mixture effects of competition – Density, compensation, and seed size relationships – Relation of selection method to generation and density – Measuring the effects of competition – Competitive ability ad in inherited trait – Effects on disease resistance – The effect of morphology (leaf angle effect) – How to avoid competition – References – 8. Composite methods - a preamble – Harlan and Martini's early pioneering research – Research papers on composites – The problem and solution in perspective – References – 9. Bulk population breeding method – Florell's landmark paper – Early history and later development – Breeders' experiences with the bulk population method – Modifications to the bulk population method – Thoughts on the time line – Comments on the bulk method – References – 10. Evolutionary plant breeding – References – 11. Synthetic line populations - a preamble – Multiline and multiblend varieties are not the same – Disease protection - a powerful stimulus – General information on mixtures – Genetic diversity and stability play a part – Alternatives to pure line varieties proposed – References – 12. The multiblend variety – Blends have along history – Concluding remarks – References – 13. The multiline method – Background developments that led to the multiline – Later developments and modifications – Structural and dynamic aspects of the multiline – Stability in the multiline – Results of research with mixed populations – Disease protection a major feature of multilines – The Iowa experience with oat multilines – Author's comments on the multiline variety – References – 14. Methods shaped by recurrent forces – The role of intermating and linkage – Alternatives to and modifications of intermating – Male sterility and random versus nonrandom mating – References – 15. The recurrent selection method – History and early development – Procedures and uses of recurrent selection – Procedures are adaptable to self-pollinated crops – Relation to male sterility and MSFRS – References – 16. Diallel selective mating method – References – 17. Genetic male sterility – References – 18. Male sterile facilitated recurrent selection method – References – 19. Methods shaped by requirements of techniques – Mutation or radiation breeding method – Mutation breeding: limited development in the United States – References – 20. Heterosis and commercial hybrids – Theoretical aspects of heterosis – Measurement of hybrid vigor – Commercial hybrid varieties – References – 21. The single seed descent method – Origin and modifications – Comparisons of SSD with other methods – Among-line and within-line variances – Effect of SSD on plant characters – Ways in which SSD has been used – Discussion of single seed descent – References – 22. Doubled haploid method – References – 23. Issues in selection - a preamble – Assumptions – Components of yield – Selection strategies – Searching for locks and keys – References – 24. Visual selection – Characteristics of visual selection-how it works – The influence of the selector – Efficiency of visual selection – Visual selection particularly effective for discard – Discussion of visual selection – References – 25. Selection indices – Early research and development – Research on the nature of index selection – Modal selection – The role and importance of assumptions – Applications of index selection – References – 26. Harvest index – Origin and historical background – Developments related to harvest index – Selection, stability, and inheritance relations – Influence of density on harvest index – General studies of harvest index – General studies of harvest index – References – 27. Stability – Stability: models and meanings – Environmental aspects of stability – Relationships to crosses and population structure – Author's comments on stability – References – Section IV germ plasm and crossing considerations – 28. Germ plasm: choosing cross quality level – Germ plasm considerations – The geneology of germ plasm – Choosing cross quality level – The arrangement of parents in crosses – The high-low aspect affecting cross quality level – The genetic diversity of the parents – Yield considerations affecting cross quality level – References – 29. Predicting and choosing parents – Early landmark cases – The use of cross-pollinating techniques – Diallel evaluation tests – Ancestral records and tests of relatedness – The parent as indicator of prepotency – Alternative concepts of measuring prepotency – Genetic diversity, wide crosses, and introgression – Comments – References – 30. Predicting and choosing crosses and lines – Early studies of determining relative values of crosses – The use of diallel analysis in evaluating crosses – Other approaches to prediction – Discussion of predicting and choosing among crosses – Predicting and selecting lines – References – 31. Hybridizing or crossing techniques – Sterility and the nature of natural crossing – Pollen characteristics and production– Extent of natural crossing – Crossing techniques and seed set – Handling pedigrees and population nubers – References – Section V plant traits of special relevance – 32. Seed characteristics – Influence of size – Discussion of seed size effect – Seed origin: production source effect – Germination and seedling vigor – Seed quality: yield and protein relationships – References – 33. Morphological and other traits – Height relationships – Awns – Discussion of awns – Roots – References – Section VI project management – 34. The four stages of the plant breeding process – Stage I-planning and hybridization – Stage II-early generation (selection) – Stage III-line evaluation – Stage IV-variety release – References – 35. Minimum staff plant breeding – A minimum staff breeding program – Discussion – References – 36. Choosing sites and environment – Selection under different environments – Genotype x environment – Discussion of genotype x environment interactions – Clustering – Date of seedling – Summing up – References – 37. Field organization and operations – Nursery plots: size, shape, designs, and replications – Rod row and miniature head-hill plots – Border plots – Population and group sizes and numbers – Control or check varieties – Moving means or averages – Collecting and expressing data – Seed increase and variety release – References – 38. "101 ways" to enrich your breeding program N2 - "This book is about the methodology of plant breeding and selection." - Preface ER -