Evaluation of the genetic variability in bamboo using RAPD markers

S. Nayak, G.R. Rout and P. Das
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S. Nayak: Regional Plant Resource Centre, Bhubaneswar, Orissa, India
G.R. Rout: Regional Plant Resource Centre, Bhubaneswar, Orissa, India
P. Das: Regional Plant Resource Centre, Bhubaneswar, Orissa, India

Plant, Soil and Environment, 2003, vol. 49, issue 1, 24-28

Abstract: Classical taxonomic studies of the bamboos are based on floral morphology and growth habit, which can cause problems in identification due to erratic flowering. Identification and genetic relationships in 12 species of bamboo were investigated using random amplified polymorphic DNAs (RAPD) technique. Analysis started by using thirty 10-mer primers that allowed us to distinguish 12 species and to select a reduced set of primers. The selected primers were used for identification and for establishing a profiling system to estimate genetic diversity. A total of one hundred thirty seven distinct polymorphic DNA fragments (bands), ranging from 0.4-3.3 kb were amplified by using 10 selected primers. The genetic similar analysis was conducted based on presence or absence of bands, which revealed a wide range of variability among the species. Cluster analysis clearly showed two major clusters belonging to 12 species of bamboo. Two major clusters were further divided into three minor clusters. The species of Bambusa vulgaris and Bambusa vulgaris var. striata were the most closely related and formed the first minor cluster along with Bambusa ventricosa. The variety of Bambusa multiplex var. Silver stripe and Bambusa multiplex were very closely related and there was no variation with Bambusa ventricosa. Another minor cluster was obtained between Bambusa arundinacea, Cephalostachyum pergracil and Bambusa balcooa. The RAPD technique has the potential for use in species identification and genetic relationships between taxa and species of bamboo for breeding program.

Keywords: bamboo; genetic variability; phylogenetic relationships; RAPD analysis (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:49:y:2003:i:1:id:4085-pse

DOI: 10.17221/4085-PSE

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