When the treated callus inoculated on the selection medium contains 15% PEG, 5.4% of water stress resistant mutants were induced.

• 处理后的愈伤组织接种到含有 15%25聚乙二醇 (PEG)的筛选培养基上 ；获得对水分胁迫具有抗性的愈伤组织 ；诱变率为 5 .；4%25。