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Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > Plant reproduction & propagation
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Banana: Genomics and Transgenic Approaches for Genetic Improvement (Hardcover, 1st ed. 2016)
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Banana: Genomics and Transgenic Approaches for Genetic Improvement (Hardcover, 1st ed. 2016)
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Bananas and plantains are among the most important food and cash
crops in the world. They are cultivated in more than 135 countries,
across the tropics and subtropics, with an annual global production
of ca. 130 million metric tonnes. Though bananas are one of the
most important components of food security in many developing
countries, banana production is threatened by both abiotic and
biotic stresses. These include a wide range of diseases and pests,
such as bunchy top virus, burrowing nematodes, black Sigatoka or
black leaf streak, Fusarium wilt, etc. In recent years,
considerable progress has been made and several biotechnological
and genomic tools have been employed to help understand and unravel
the mysterious banana genome. Molecular and genomic studies have
helped to decipher the Musa genome and its evolution. Genetic
linkage map and whole genome sequencing of both Musa acuminata and
Musa balbisiana (progenitors of cultivated banana) have completely
changed the way of thinking and the approach on banana crop
improvement. Whole-genome sequencing has helped to improve the
selection of quantitative traits such as yield, as well as the
selection of optimal parents for developing required hybrids in
breeding programs. Gene isolation and the analysis of mutants have
helped in the characterization of genes of agronomic value and the
associated regulatory sequences. With the advent of molecular
markers and new statistical tools, it is now possible to measure
the diversity, identify genes and useful alleles linked to
important agronomic traits. Further these alleles can be
incorporated into cultivars through marker assisted selection or
through transgenic approach. Transgenic approaches are potential
tools for direct transfer of these genes into popular cultivars,
which are generally not amenable for conventional breeding
techniques, in specific with crops such as bananas which are
sterile, triploid and heterozygous thereby making it difficult to
reconstruct the recurrent genotypes in banana. Transgenic
techniques thus have helped overcome the difficulty of working with
sterile, triploid banana crop. In the last five years, enormous
amount of new information and techniques have been generated for
banana. A comprehensive book entitled "Banana: Genomics and
Transgenic Approaches for Genetic improvement" on banana genomics,
latest transgenic technologies and tools available for improved
crop development in banana will address all these requirements.
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