桂糖29号在河池蔗区的种植表现

[目的]调查甘蔗新品种桂糖29号在河池的种植表现,为其在河池大范围推广提供依据.[方法]2008～2011年在河池选择具有代表性的3个县、市（区）进行桂糖29号种植试验,通过对其3年新植和3年宿根的适应性、抗逆性、丰产性、含糖量等的调查,分析其在河池地区种植的应用前景.[结果]桂糖29号在河池蔗区的综合表现优于对照ROC16,具有宿根性好、抗逆性强、稳产高糖等特性.其新植和宿根平均蔗产量、蔗糖分和含糖量分别为108.10t/ha、15.265％和16.678t/ha,蔗产量和含糖量比对照ROC16分别增加15.38％和18.91％,蔗糖分高0.87％（绝对值）.[结论]桂糖29号在河池蔗区种植综合表现好,具有较高的推广应用价值.

Growth status of Guitang 29 in Hechi

[Objective ]The growth performance of Guitang29, a new sugarcane variety planted in Hechi, was investi- gated to provide effective references for its extension in Hechi. [Method]In 2008-2011, Guitang29 was planted for experi- ment and demonstration in three counties. Adaptability, resistance, high yield and sugar content of new planting and ra- toon sugarcane were surveyed for three years to analyze its application prospect in Hechi. [Result]The comprehensive performance of Guitang29, which had good ratoon ability, strong resistance, stable yield and high sugar yield, were better than those of ROC16. Sugarcane yield, sucrose content and sugar yield of average was 108.10 t/ha, 15.265% and 16.678 t/ ha. Sugarcane yield and sugar yield of Guitang29 rose by 15.38% and 18.91%, and sucrose content went up by 0.87% （absolute value） than those of ROC16, respectively. [Conclusion]The growth status of Guitang29 was good, so it had treat extension value in Hechi.