The virus-free rate of PNRSV is 93.3% less than 0.5mm shoot tip, it was proved that PNRSV could be eliminated effectively from sweet cherry plantlets in vitro by culture of shoot tip less than 0.5mm.

• 5mm 以下茎尖培养对PNRSV 的脱毒率达93.；3%25；证明甜樱桃试管苗0