The dry matter accumulation in root was greatly influenced by water stress, so as to the final root weight of the treatment with 40% field moi sture capacity(FMC) was less than 1/4 of that of the treatment with 80% FMC on a verage.

• 结果表明 ,在水分胁迫条件下 ,冬小麦根系的干物质积累受到了明显的影响 ,40%25田间持水量处理植株的最终根重平均不到 80%25田间持水量处理的1/ 4。