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以水作衬比剂，对湿地松（ＰｉｎｕｓｅｌｉｏｔｉＥｎｇｅｌｍ）种子进行ＩＤＸ法检验其生活力的研究，结果表明：湿地松种子在２５℃水中浸２４ｈ后，置床培养４８ｈ，用吸水纸吸去表面水份，用硅胶干燥９ｈ（３０℃），其Ｘ射线片上死活种子图像差异显著，其判读结果与发芽率基本一致
The results showed that the seeds of Pinus thunbergii seeds were immersed in water at 25 ℃ for 24 hours and then placed in bed for 48 hours. The surface water was absorbed by absorbent paper , Dried with silica gel 9h (30 ℃), X-ray film on the image of alive and dead seeds significantly different, the interpretation of the results and germination rate is basically the same