Abstract
The fiber length trait (FLT) of 538 individuals from nature birch population in Maorshan region, Heilongjang, China were measured, of which 100 individuals were selected as representative variety of correlated fragments screening with random amplified polymorphism DNA (RAPD) technique. In total of 20 RAPD primers were tested through multiple regression analysis between amplified strip and the character behaviors, and a correlative segment BFLR-16 was obtained. The correlation coefficient between BFLI-16 and FLT was 0.6144, with the significant level of 1%. BFLI-16 was then cloned, sequenced and transformed into SCAR marker. The percentage of identifying long fiber birches by this SCAR was more than 92. The result indicates that the SCAR markers has high specificity for the long fiber individuals and is highly linked with the gene controlling the character of fiber length, and its existence is significantly correlative with the increase in the fiber length.
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Foundation project: This study was supported by the National 863 Program (2002BA515B0401), National Natural Science Foundation of China (30571513) and Foundation of Heilongjiang Province (GA06B301)
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Wang, D., Wei, Zg., Yang, Cp. et al. Analysis and identification of SCAR molecular markers associated with birch fiber length trait. Journal of Forestry Research 19, 288–292 (2008). https://doi.org/10.1007/s11676-008-0051-2
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DOI: https://doi.org/10.1007/s11676-008-0051-2