In vitro selection and characterization of polyethylene glycol (PEG) tolerant callus lines and regeneration of plantlets from the selected callus lines in sugarcane (Saccharum officinarum L.)

甘蔗（Saccharum officinarum L.）耐聚乙二醇（PEG）愈伤组织系的体外筛选和鉴定，以及从选定的愈伤组织系中再生植株。