一、引言大茎野生种(S.robustum Grassl)的利用,在世界甘蔗育种上还不甚普遍。美国、澳大利亚、印度等国虽然均有利用,但也未能育成商用品种。台湾省利用大茎野生种进行甘蔗有性杂交育种不但较早而且成效较大。特别是1951年后,利用抗风力特强的大茎野生种第二代的PT43/52作亲本,育成了一系列抗风力 I. INTRODUCTION The utilization of S.robustum Grassl is not yet widespread in world sugarcane breeding. Although the United States, Australia, India and other countries have all utilized it, they have not yet bred commercial varieties. Taiwan Province, the use of large stem wild species of sexual hybrid sugarcane breeding not only earlier but with greater success. Especially after 1951, using the second generation PT43 / 52 of the large stem wild species with strong wind resistance as their parents, a series of wind resistance