JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2007, Vol. 31 ›› Issue (01): 15-18.doi: 10.3969/j.jssn.1000-2006.2007.01.004

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Development of SCAR Markers Linked to Resistance Locus of Black Spot Disease in Populus deltoides

ZHANG Yan-mei, PAN Hui-xin, ZHANG Bo, WANG Ming-xiu, HUANG Min-ren*   

  1. The Key Laboratory of Forest Genetics and Gene Engineering of the State Forestry Administration and Jiangsu Province Nanjing Forestry University, Nanjing 210037, China
  • Online:2007-02-18 Published:2007-02-18

Abstract: RAPD markers OPAI17-1550 and OPAI13-900, linked to anti-black-spot disease gene locus, were successfully converted into SCAR markers named SAI17-1570 and SAI13-292 respectively by sequencing and designing of primers. SAI17-1570 and SAI13-292 were validated in the resistant、 susceptible pools and F1 population. The SAI17-1570 had the same amplification with templates of the positive OPAI17-1550 F1, population and resistant pool, did not have amplification with templates of the negative OPAI17-1550 F1 population and susceptible pool. The SAI13-292 had one band with templates of the negative OPAI13-900 F1 population and susceptible pool, but two bands with templates of the positive OPAI13-900 F1 population and resistant pool. The two SCAR markers could be of great importance for clone selection on seedling stage.

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