By Enrico Biancardi, Marco De Biaggi, Larry G Campbell
The publication comes in the course of a time of speedy enlargement in molecular technology-based choice techniques which are destined to switch or complement traditional breeding technique. the recent applied sciences will enable genetic and physiological elements influencing sugar yield and caliber to be assessed in nice element and manipulated. those novel strategies also will lessen the dependance of the sugar beet crop on chemical insecticides and fertilizers by utilizing designated and greater resistance mechanisms opposed to many of the abiotic stresses and ailments and via generating forms that use soil assets extra successfully. an entire bankruptcy offers with the present details at the improvement of those new recommendations and their integration into sugar beet breeding. Read more...
content material: background and simple Biology: short historical past of Sugar and Sugar-producing crops; short background of Sugar Beet Cultivation; Anatomy and body structure; Cytology and Cytogenetics; resources of Genetic edition, Genus Beta; Plant creation and Genetic range; heritage of Sugar Beet Breeding?Objectives of Sugar Beet Breeding: creation; Polyploidy; Monogerm Seed; Male Sterility; Annual and Biennial development behavior, Bolting Resistance; Self-fertility and Self-incompatibility; Seed caliber; Root, Hypocotyl, and Leaf colour; Morphological and Physiological features; Resistance to Parasites; Resistance to Abiotic Stresses; Sugar content material, Root Weight, and Sugar Yield; Ethanol construction; Postharvest garage qualities; Processing Quality?Conventional Breeding equipment: choice equipment; construction of manufacturing advertisement forms; box evaluate and Registration of Varieties?Molecular Biology and Biotechnology: Genomics in Genetic development; Molecular Breeding; In-vitro tradition strategy; Genetic Engineering; ultimate Considerations?Seed construction: Agronomic Practices; Pollen Isolation; Seed caliber and Conservation?Prospects in Sugar Beet Breeding: Breeding goals; Breeding equipment; Challenges
The e-book comes in the course of a time of fast growth in molecular technology-based choice methods which are destined to change or complement traditional breeding method. the hot applied sciences will permit genetic and physiological components influencing sugar yield and caliber to be assessed in nice element and manipulated. those novel recommendations also will decrease the dependance of the sugar beet crop on chemical insecticides and fertilizers by utilizing exact and greater resistance mechanisms opposed to a number of the abiotic stresses and ailments and by way of generating forms that use soil assets extra successfully. a complete bankruptcy offers with the present details at the improvement of those new options and their integration into sugar beet breeding
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Extra info for Genetics and breeding of sugar beet
After emergence, the cotyledons become photosynthetically active. Subsequent seedling growth, based on dry matter accumulation, is exponential until the first true leaves appear, approximately five to seven days after emergence (Doney, 1979; Durr and Boiffin, 1995). 2 Shoot morphology and development The vegetative shoot is composed of large elongate leaves arranged in a close spiral on the crown of the sugar beet taproot (Artschwager, 1926). The leaves are triangular with a conspicuous midrib and petiole, and a netted pattern of leaf venation.
What of the specific status of B. patula and B. macrocarpa? B. , (1999) showed clear differences between B. patula and B. vulgaris ssp. maritima. Various molecular marker and molecular genetic studies demonstrate the distinctiveness of B. macrocarpa from other members of section Beta. Shen et al. (1996) used RAPD markers to study variation among different annual taxa of section Beta in order to determine how reliable field identification of these taxa might be, given the difficulties that most germplasm collectors experience.
Apart from aneuploidy, inferior production and quality of pollen on tetraploid plants is mainly due to postmeiotic nuclear disturbances, resulting in nonviable supernumerary microspores. Both meiotic and postmeiotic stability appear to be regulated by a common genetic mechanism (Bosemark, 1967). , 1970; Bosemark, 1977), the consequences of aneuploidy are magnified since discrimination against chromosomally unbalanced gametes is less effective in megaspores than in microspores. inlyto reveal relationships between and within sections.