Arabidopsis thaliana has many advantages for plant research, including a short generation time, small size,large number of offspring, and a relatively small nuclear genome. These advantages promoted deepen scientificinvestigation for various biological issues and characterized many genes using Arabidopsis thaliana[1].In this study, dry seeds of Arabidopsis thaliana were irradiated by neon ion beams from 100 to 500 Gy. Thenabout 10 dry seeds were sown on Murashige and Skoog medium, each treatment group repeated for three times,and all the culture dishes were grown in the culture rooms with the condition of 22?C under 18 h-light/6 h-darkcycle. Image J software was used to measure the length of roots and hypocotyl from the digital photos taken onthe 7th day after sowing.
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