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试验研究了不同浓度萘乙酸（NAA）、吲哚丁酸（IBA）、赤霉素（GA3）混合使用对马铃薯脱毒苗扦插成活的影响。结果表明，以浓度NAA50mg／L＋IBA50mg／L＋GA33mg／L为扦插处理的最佳组合，成活率最高，生根最好，长势最强。
The effects of different concentrations of NAA, IBA and GA3 on the survival of potato virus-free seedlings were studied. The results showed that the best combination of NAA50mg / L + IBA50mg / L + GA33mg / L was the highest survival rate, best rooting and strongest growth.