In general, from 10 d after FHS to maturing stage, negative correlation existed between starch content and ratooning rate, and positive correlation existed between soluble sugar content, soluble sugar and starch in gross and ratooning rate (Table 2).

• 齐穗后10d至成熟期,一般节间淀粉含量与再生率呈负相关,可溶性糖含量及可溶性糖+淀粉总量与再生率呈正相关。