ULASAN Kajian Filogenetika Molekuler dan Peranannya dalam Menyediakan Informasi Dasar untuk Meningkatkan Kualitas Sumber Genetik Anggrek

Topik Hidayat, Adi Pancoro

Abstract


Early information
resulted from molecular phylogenetic studies of many important
ornamental crops is often less attention to many
growers and farmers. Phylogenetics is one of the most preferable
method in systematics to reconstruct evolutionary
relationships of groups of biological organisms in order to
understand their biodiversities. This has been revolutionized
by DNA sequences data. In this method, a group of organisms
that shares many identical characteristics are considered
to be closely related; deriving from a common
ancestor and is assumed to have similar genetic patterns
and biochemical properties. By these basic principles,
molecular phylogenetics plays important roles in revealing a
basic knowledge on pattern of relationships to which
genetic resources can be improved. Over the past decade,
botanists have done several thousand phylogenetic analyses
based on molecular data of economically and horticulturally
important crops. Orchids are the best example for this.
There is no doubt that most orchid plants had played roles in
horticulture and hybridization. At present, many infrageneric
and intergeneric hybrids are available commercially. Successful
hybridization can be achieved if two or more individual
plants understudy are closely related in respect to their
genetics and evolution.


Keywords


Hybridization; molecular phylogenetics; orchid subtribe Aeridinae; quality of genetic resources.

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DOI: http://dx.doi.org/10.21082/jbio.v4n1.2008.p35-40

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P-ISSN : 1907-1094
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