Changes of Amylase Activity in the Germination Process of Hybrid Rice Seeds

The activity of amylase in the seeds of Yixiang A,Fuhui 9303,Yixiang 9303,Zhongjiu A,Fuhui 9801 and Zhongyou 9801 at different germination time was determined by using 3,5-dinitrosalicylic acid reducing sugar method.The results indicated that the test hybrid rice seeds had different germination rate under the same culture conditions.The germination rate showed a positive correlation with amylase activity during the seed germination process.Amylase activity in different seeds had different change trend in the germination period.