Compared with the Xiushui 11 (CK), the dwarf mutant is in short of 1.17 internodes and its length of first, second, third and fouth internodes below ear decreased in 56.64%, 71.51%, 68.90% and 73.46% respectively.

• 矮秆突变体比秀水11少1.；17节间，穗下第一、二、三、四节间分别比秀水11缩短了56