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FIGURE 1: Basic scheme of selection in mutation breeding
FIGURE 2: Main steps of establishment of a hybrid variety in wheat
FIGURE 3: Development of allopolyploid (amphidiploid) hybrids, e.g. a wheat-rye
hybrid (octoploid triticale)
FIGURE 4: Residue seed method of breeding, half-sib progeny selection or method of overstored seeds
FIGURE 5: Single-plant selection including testing of progeny in autogamous plants
FIGURE 6: Inheritance and segregation patterns in subsequent generations of flower
colour from a cross of a red-flowered with a white-flowered plant, and with dominant inheritance of red flowers
FIGURE 7: Pedigree breeding (cross-combination breeding) in autogamous plants
FIGUR 8: Some diploid and allopolyploid species of the genus Brassica with agricultural and breeding importance
FIGURE 9: Experimental field design of a Latin square considering four variants and four replications (4 blocks, 4 columns) and a Latin rectangle considering 10 variants
FIGURE 10: The phylogeny of wheat (Triticum ssp.)
FIGURE 11: Types of chromosome and/or centromere constrictions
FIGURE 12: The karyogram of diploid rye, Secale cereale L.
FIGURE 13: Pairing failure of meiotic chromosomes as interlocked configuration
FIGURE 14: Different types of trisomics in plants
FIGURE 15: A diagrammatic representation of different meiotic chromosome configurations observed in diakinesis and metaphase including the minimum chiasmata
FIGURE 16: Combination breeding by using the bulk method
FIGURE 17: A comparison of the genetic segregation patterns of sexually derived and doubled-haploid derived F2 progenies from F1 heterozygotes
FIGURE 18: Schematic interpretation of ‘dominance hypothesis’ considering inbred
lines and F1 hybrid
FIGURE 19: Schematic drawing of topcross design including progeny testing for
general combining ability
FIGURE 20: Schematic drawing of a recurrent selection design
FIGURE 21: Schematic drawing of a reciprocal recurrent selection design
FIGURE 22: Schematic drawing of hybrid seed production in maize
FIGURE 23: Schematic drawing of hybrid seed production after and utilisation of cytoplasmic male sterility
FIGURE 24: Schematic drawing of unequal crossing-over
FIGURE 25: Schematic drawing of embryo sac and pollen formation
FIGURE 26: Breeding scheme using doubled haploids
FIGURE 27: Schematic drawing of Agrobacterium-mediated gene transfer
FIGURE 28: Different ways of asexual reproduction in plants
FIGURE 29: Hybrid seed production in allogamous rye
FIGURE 30: Designs of spreader nurseries
FIGURE 31: Basic crossing schemes in plant breeding
FIGURE 32: Schematic drawing of honeycomb and grid designs
FIGURE 33: Several types of hill plots
FIGURE 34: Basic shapes and types of spikes in wheat
FIGURE 35: Schematic drawing of sexual organs of a plant flower
FIGURE 36: Types of duplicated chromosome segments
FIGURE 37: Schematic drawing of aneuploid types in wheat and applicable to other diploids and polyploids
FIGURE 38: Estimation of heritability h2 based on selection advantage ‘R’, selection coefficient ‘S’ and selection intensity ’ i’
FIGURE 39: Schematic drawing of mass selection and single-plant selection
FIGURE 40: Schematic drawing of positive mass selection
FIGURE 41: Couple method of breeding in allogamous plants
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