Abstract: The rice seedlings were sprayed with Uniconazole o f d ifferent consistency at different stage when seedlings were bred with two-stage method.Th e inner property of the rice seedlings, the physiological indexes and the produc t ion capacity were determined seperately,and the results indicated that the sprou ts treated with Uniconazole of 100 mg/L twice (at 1～2 leaf stage and after they have been transptanted to the temporary nursery for 15 days)had more tillers and became stronger.After being planted in...