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主要介绍了闽牧４２ 的植物学特征和利用价值。闽牧４２ 是福建省农业科学院甘蔗研究所以丰产、适应性广的甘蔗栽培品种Ｃｏ４１９ 为母本，以大茎野生蔗的杂种后代ＰＴ４３ － ５２ 为父本，经有性杂交选育出用作饲草的新型的Ｃ４ 亚热带牧草———甘蔗属种间杂交种。
This paper mainly introduced the botany characteristics and utilization value of Minmu 42. Minmu 42 is a sugarcane cultivar Co419 with high yield and adaptability as the female parent of Sugarcane Research Institute of Fujian Academy of Agricultural Sciences. The PT43 - 52, the offspring of hybrid sugarcane with large stem, was used as male parent and bred by sexual cross Grass of the new C4 subtropical pasture --- sugarcane interspecific hybrids.