AC in the same shape of experiment materials were similar, instead of flours of milled rice,the grains of brown rice as experiment materials for AC analysis can be applied to rice breeding.

• 相同形态试料的测定值非常接近，在水稻育种实践中可用糙米粒体代替精米粉体作直链淀粉含量的测定分析，提高工作效率。