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本文试图通过添加植物激素来提高甘薯茎尖分生组织第二次培养的出苗率。试验结果发现，添加一定浓度的吲哚丁酸（ＩＢＡ０．５ｍｇ／Ｌ）和赤霉素（ＧＡ３１．０ｍｇ／Ｌ）可以明显提高植株再生率，且整个生长周期大大缩短
This article attempts to improve the emergence rate of the second culture of shoot apical meristem of sweet potato by adding plant hormones. The results showed that IBA 0.5 mg / L and GA 31.0 mg / L could obviously increase plant regeneration rate and shorten the whole growth period