Optimization of Ultrasonic Induced Seed Germination of Ligusticum jeholensn by Response Surface Method
In order to test the effect of ultrasonic induction on seed germination,the germination rate of Ligusticum jeholensn seed was studied by ultrasonic power,ultrasonic time and water bath temperature.The results showed that the optimal conditions for seed germination were ultrasonic power of 68W,ultrasonic time of 5min and ultrasonic water bath temperature of 34℃.Under these conditions,the expected germination rate of L.jeholensn seed was 51.89%,and the arithmetic mean value of experimental verification was 54.07% .Compared with the blank group,the germination rate of the experimental group under optimal ultrasonic induction conditions was increased by 10.74% .The results showed that suitable ultrasonic treatment had a positive effect on seed germination rate.
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