Effects of exogenous hormones treatments to release seeds dormancy of Setaria sphacelata cv. Narok

• Fu-cheng LUO, 
• Yi-min GUO, 
• Jian PENG, 
• Xin-hui DUAN, 
• Wen-hua XU, 
• Chao HE, 
• Feng-gen GUO