The PSR granule and Liquid treatments increased the fiber content in cane for the variety ROC 10, but decreased for the variety GT17 , and had no significant effect on the fiber content in cane for the variety ROC 16.

• PSR颗粒与PSR液剂处理提高ROC10的甘蔗纤维分，而降低了GT17的甘蔗纤维分，对ROC16影响不大。