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对脱毒甘薯徐薯18、北京553研究表明．脱毒薯与普通对照薯相比具有地上部营养生长旺盛、地下部结薯早、薯块膨大速度快、薯皮色泽鲜艳、光滑、商品率高的特点。产量结果表明，甘薯脱毒能显著地提高产量，增产幅度达36％～133％。
On the virus-free sweet potato 18, Beijing 553 research shows. Compared with the normal control potato, the virus-free potato has the vegetative growth vigorously above the ground, the tubercle tuber early in the underground portion, the swollen speed of the potato tuber, the vivid bright color of the potato skin, and the high product rate. Yield results show that sweet potato detoxification can significantly improve the yield, increase rate of 36% to 133%.