Introduction to plant breeding
Perspectives in plant breeding. The evolution of cultivated plants. Plant introductions. Mode of reproduction in relation to plant-breeding methods. Variability in plants. Genes and qualitative characters. Genes and qualitative characters. Quantitative inheritance. Role of the environment in plant breeding. Selection in self-pollinated crops. Hybridization and gene combinations. Breeding self-pollinated crops by hybridization and pedigree selection. Bulk population method of breeding self-pollinated plants. The backcross method of breeding. Cross-pollinated crops. Control of cross-pollination. Selection in cross-pollinated crops. Inbreeding and heterosis. Hybrid varieties. Recurrent selection. Synthetic varieties. Autoploidy in plant breeding. Alloploidy.Aneuploids. Mutagens and crop improvement. Interspecific hybridization. Interspecific transfer of characters. Genetics of resistance to diseases and insects. Breeding for resistance to diseases and insects. Maintenance and distribution of varieties. Field-plot technique and experimental design.
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The Evolution of Cultivated Plants
Bulk Population Method of Breeding
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adapted Agriculture Agron alleles alloploid Amer awnless awns Baart backcross barley beans breeding bulk cells cent Chapter characteristics chromosome chromosome number color combining ability corn crop plants cross-pollinated crops diploid disease dominant early effects endosperm environment evaluations example F2 plants fertility flowers formula frequency gametes gametophytic genetic genomes genotypes grown haploid height heritability heterosis heterozygosity heterozygous homozygosity homozygous homozygous genotypes hybrid populations hybrid varieties improvement inbred lines inbreeding increase inheritance insect involved kernels large number linkage loci locus male male-sterile mass selection mean meiosis mutations normal obtained pairs pedigree method phenotypes plant breeder pleiotropy pollen tube polygenes polyploid production progeny quantitative characters ratio recessive gene recombination recurrent parent recurrent selection resistance rows seed segregating self-pollinated crops selfing similar single crosses single plants single-plant species sporophytic sterility Suneson synthetic variety Table tetraploid tion types U.S. Dept usually variability wheat yield