7个甘蔗新品系种性表现及其评述

2004～2006年对桂糖99—181等7个甘蔗新品系进行2年新植2年宿根品种比较试验。结果表明：蔗茎产量与舍糖量表现较突出的是桂糖99—181、99-107、99-260，其公顷产蔗量与公顷含糖量均比对照品种新台糖16号（Roc16）增产12％以上；甘蔗蔗糖分以桂糖99-137和99-268为最高，4年新植宿根平均蔗糖分分别达15．90％和-15．84％．分别比对照品种新台糖16号高0．7和0．64个百分点。

Characteristic Performance and Evaluation of Seven New Sugarcane Lines

From 2004 to 2006, comparative experiment of 7 new sugarcane lines including Guitang 99-181 was conducted for 2 year plant crops and 1 year ratoon crop. The results showed that Guitang 99-181, Guitang 99-107 and Guitang 99-260 had high cane yield and sucrose yield, which cane yield and sucrose yield per hectare were increased by 12% in comparison with the control variety ROC16. Guitang 99-137 and Guitang 99-268 had high sucrose content, which average sucrose content of plant cane and ratoon for 4 years were 15.90% and 15.84%, increased by 0.7% and 0.64% （absolute value） in comparison with that control variety ROC 16, respectively.