Development of RAPD Marker Related to Brown Planthopper Resistance Gene Derived from Rice Cultivar, Cheongcheongbyeo
2005
Seo, J.H. (Kyungpook National University, Daegu, Republic of Korea) | Kim, K.M. (Sangju National University, Sangju, Republic of Korea) | Kim, S.M. (Kyungpook National University, Daegu, Republic of Korea) | Sohn, J.K. (Kyungpook National University, Daegu, Republic of Korea), E-mail: [email protected]
This study was carried out to select DNA markers closely linked to brown planthopper (BPH) resistance gene originated from a rice cultivar 'Cheongcheongbyeo'. For the mapping of resistant gene to BPH, a doubled-haploid (DH) population was developed by anther culture of F₁ plants from a cross 'Cheongcheongbyeo/Nagdongbyeo'. In BPH bioassay and marker screening for the DH population, the segregation of resistant and susceptible plants to BPH fitted to a 1:1 ratio. A total of 310 RAPDs of 520 markers showed polymorphism in parental survey using 'Cheongcheongbyeo' and 'Nagdongbyeo'.
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