수도 내염성 유전자의 연관군 구명과 유전진전 Ⅱ. 내염성 선발에 따른 유전진전과 내염성계통 선발

Linkage analysis of salt-tolerance and its genetic gain in rice Ⅱ. Genetic gain and selection of salt-tolerant lines

This experiment was carried out to investigate selection advance based on proline content in the segregating callus population and to compare the response of salt-stress between callus and plant levels. The results indicated that no selection gain was calculated when compared proline content in F₃ seed callus with F₄ seed callus. Proline content in the callus cells was not related to proline content in the seedlings of selected groups. Proline content in the callus cells was independent from de gree of salt-tolerance in the seedlings. One promising breeding line was selected after 40 days sea water cultivation at Namyang reclaimed soil.