Progress and prospect of developing salt and alkali tolerant rice using hybrid rice technology in China

Soil salinization and alkalization are important abiotic stresses that affect crop growth yield. Development of salt alkali tolerant varieties is still dominated by the following conventional breeding method: The traits from screened germplasm introduced into elite means hybridization backcrossing. In recent years, rice has also made great progress. For example, yield Chao-You 1000, a two-line hybrid, reached 12.04 t/ha growing in fields with salinity between 0.2% 0.6%. This review an update on progress screening new development. By reviewing performance current hybrids China's National Regional Variety Trials Saline-Alkali Tolerant Rice, we proposed technical approach developing saline–alkali using third-generation hybrid technology furthermore trend hybrids.