Germination is a key process in plants� phenological cycles. Accelerating this process could lead to improvment of the seedling\r\ngrowth as well as the cultivation efficiency. To achieve this, the effect of microwave frequency on the germination of rice seeds was\r\nexamined.The physiological feedbacks of the MR 219 rice variety in terms of seed germination rate (GR), germination percentage\r\n(GP), and mean germination time (MGT) were analyzed by exposing its seeds to 2450MHz of microwave frequency for one, four,\r\nseven, and ten hours. It was revealed that exposing the seeds to the microwave frequency for 10 hours resulted in the highest GP.This\r\ntreatment led to 100% of germination after three days with amean germination time of 2.1 days. Although the other exposure times\r\nof microwave frequency caused the moderate effects on germination with a GPa3 ranged from93% to 98%, they failed to reduce the\r\nMGTa3.The results showed that ten-hour exposure times of microwave frequency for six days significantly facilitated and improved\r\nthe germination indices (primary shoot and root length). Therefore, the technique is expected to benefit the improvement of rice\r\nseed germination considering its simplicity and efficacy in increasing the germination percentage and rate as well as the primary\r\nshoot and root length without causing any environmental toxicity.
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