AbstractsPaphiopedilum is a flowering plant that is naturally found in forest areas. Monocotyledon is classified as a subfamily (Orchidaceae) de SIM okhi domestic Thailand all Paphiopedilum found 18 kinds from around the world, approximately 136 types there are also hybrids from breeding. Currently classified as Paphiopedilum flowers are popular in cultivation and export to foreign countries, as many as the plants are beautiful and colorful variety is taken to decoration of buildings and places. In addition, some types of Paphiopedilum, can be made into traditional medicines. These reasons makes breeding cause many hybrids which are resistant and colour with a beautiful and diverse. Added value of Paphiopedilum too. But because of the characteristic flower and leaf are similar. Result in the classification of types by using amorphous shapes is difficult. The molecular markers to help identify the type and to evaluate the genetic relationship of Paphiopedilum orchids. To be useful in species conservation, and breeding in the future. From the above priority. Researchers therefore studied at the molecular level using molecular markers to identify the type and to evaluate the genetic relationship of Paphiopedilum orchids, 20 types of hash marks ตอาร์ p (HAT-RAPD, high temperature annealing-random amplified polymorphic DNA), Scott (SCoT, start codon targeted) and a sequence of nucleotide positions (nucleotide sequence of specific gene), then compare the results of the tree (dendrogram) and chart the genetic relationship (phylogenetic tree).
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