Summary
Pinus radiata is the most important softwood plantation species in Australia and New Zealand. The improtance of this species in forestry has led to an increasing demand to improve the efficiency of selection time of the production population, which currently takes 13 yr by traditional methods. With the application of molecular biology techniques such as random amplified polymorphic DNA (RAPD) the selection period can be reduced to 6 yr. In this study, the conditions for RAPD were optimized and the feasibility of this marker system was investigated with different families ofPinus radiata from Tasmania and South Australia. Best concentrations of Taq-polymerase (1 U), magnesium chloride (2 mM), and template DNA (20 ng) were selected to test different polymerase chain reaction (PCR) thermocycler profiles. Devey's et al. (1996) program was the most effective for production of clear RAPD bands. Best conditions were investigated to screen 10–12 bp arbitrary Breasatec and Operon primers. Both types were found useful at detecting genetic variation between families. Seventy percent and thirty percent of the selected Bresatec and Operon primers, respectively, produced polymorphic bands.
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Ostrowska, E., Muralitharan, M., Chandler, S. et al. Optimized conditions for rapd analysis inPinus radiata . In Vitro Cell.Dev.Biol.-Plant 34, 225–230 (1998). https://doi.org/10.1007/BF02822712
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DOI: https://doi.org/10.1007/BF02822712