| Using seeds of Tiansheng seedless watermelon as experimental material, an experiment was carried out to test the effects of water, GA, SA and H2O2 on germination. The results showed that, water, GA, SA and H2O2 had positive promotions on the germination of seeds. The germination potentiality, germination rate, germination index and vigor index of those seeds soaked with germination agents
were significantly higher than CK. The germination effects were different when the seeds were treated by different concentration and different soaking time. And the four germination agents had their own optimal combination of concentration and soaking time. For these optimal combinations, the germination rate order from high to low was water>H2O2>GA>SA, and vigor index order was H2O2>SA>water>GA. Through comparison, a conclusion was that the treatment of soaking cracked seeds in water for 48 hours had the same positivegermination effect as the combination of 0.1 mmol/L H2O2 and soaking for 3 hours. Statistically, they had no difference. |
