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通过对不同时期豫薯８号及徐薯１８品种地上部、地下部生长动态的调查、对比、分析，探讨了豫薯８号甘薯品种高产的生理基础。
Through the investigation, comparison and analysis on the growth dynamics of shoots and roots of Yushu 8 and Xushu 18 cultivated in different periods, the physiological basis of high yield of sweet potato variety Yushu 8 was discussed.