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前言目前甘蔗育种中广泛利用的是热带种(S.officinarum)和割手密(S.sponta-neum),现有生产上栽培的品种几乎无一不同时含有两者的血缘。显然,对它们进行
Foreword At present, S.officinarum and S.sponta-neum are widely used in sugarcane breeding. The cultivars cultivated in the existing production almost contain the bloodline of both at the same time. Obviously, to them