Resistance}elated Gene Fragments and SCAR Marker for Identification of Cucumber Anthracnose Resistance

doi:10.7668/hbnxb.2011.01.041

Abstract

Abstract: In order to establish molecular markerassisted selection system of cucumber anthracnose，with F,，Fzand BC, population between a月n－ thracnoseheritance.was controlled by月resistant parent (66) and susceptible parent (A18)，we found that the resistance topair of recessive gene and the susceptible was in the mode of incomplete dominantA colominant AFLP marker was successfully converted into a simple，applied and colominant SCAR marker. Special marker SCEM178 / 172 was designed according to the sequence information of AFLP fragments themarker could be useful in markerssisted selection in cucumber breeding. The acquired SCAR marker had many ad-vantages including fast accurate low cost and free from an environmental influence application of the acquired mark-er will enhance cucumber anthracnose disease resistant germplasm evaluation. 138 resistant germplasm were obtainedfrom total 288.

Key words: Cucumber, Anthracnose, Molecular marker, SCAR

CLC Number:

S436.421

WANG Hui-zhe, GUAN Wei, LI Shu-ju. Resistance}elated Gene Fragments and SCAR Marker for Identification of Cucumber Anthracnose Resistance[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(1): 200-203. doi: 10.7668/hbnxb.2011.01.041.

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