水稻种子对声波刺激的应激效应的实验研究

Biological Effect of Sound Field Stimulation on Baddy Rice Seeds

采用了一套自行研制的声波促进植物生长装置,以声波刺激为加载方式,以优良水稻种子为研究对象,研究了声波刺激对种子发芽率、发芽指数、幼苗高度、鲜重相对增加率以及生根、分根能力、根系活力和质膜通透性的影响作用。研究结果表明,400Hz、106dB是对水稻种子刺激的最佳频率与声强,这时水稻种子的分根数明显增加,根系发达,质膜通透性降低,抗逆性增强。而一旦频率超过4kHz、声强超过111dB对水稻种子有明显损伤作用,这表明适当的声波刺激对一些植物的生长具有促进作用,同时也验证了新装置的实用性。

The authors adopt the apparatus for sound enhancing plant growth manufactured by themselves. The sound effect of Paddy Rice seeds is researched on the germination rate, germination index, height of stem, increase rate of fresh weight, rooting ability, activity of root system and the penetrability of cell membrane. The study not only validates that sound field stimulation can certainly promote the growth of plant, but also indicates the practicability of the apparatus.