| 宿根性特强甘蔗新品种桂糖29号的选育 |
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| 引用本文： | 张荣华,何红,张革民,刘海斌,李杨瑞,方锋学,宋焕忠,方位宽,闭少玲.宿根性特强甘蔗新品种桂糖29号的选育[J].中国甜菜,2011(1):1-4. |
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| 作者姓名： | 张荣华 何红 张革民 刘海斌 李杨瑞 方锋学 宋焕忠 方位宽 闭少玲 |
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| 作者单位： | [1]广西甘蔗研究所,南宁530007 [2]国家糖料改良中心广西甘蔗品种改良分中心,南宁530007 [3]广西农业科学院,南宁530007 |
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| 基金项目： | 国家科技支撑计划项目（2007BAD30B02和2007BAD30B05）; 公益性行业（农业）科研专项经费项目（nyhyzx07-019）; 现代农业产业技术体系建设项目（nycytxgxcxtd-02） |
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| 摘 要： | 桂糖29号（原编号桂糖02-761）是广西甘蔗研究所从崖城94-46×新台糖22号杂交组合后代中选育的最新甘蔗优良品种。该品种表现为萌芽好,分蘖力强,植株较直立紧凑,中茎,有效茎数多,早熟高糖,丰产,宿根性特强。广西区试试验结果,平均蔗茎产量95.7t/hm2,比CK2（ROC16）增产12.1%,与CK1（ROC22）相近,其中,宿根蔗产蔗量94.0t/hm^2,比CK1和CK2增产10.5%和19.4%;平均蔗糖分15.62%,比CK1和CK2高0.60和0.64个百分点;平均含糖量15.0t/hm^2,比CK1和CK2增产4.2%和17.2%。该品种适应性广,抗寒性明显优于ROC22。该品种于2010年5月通过广西农作物品种审定委员会审定正式命名为桂糖29号。
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| 关 键 词： | 甘蔗新品种 桂糖29号 宿根性 选育 |
Breeding of New Sugarcane Variety Guitang 29 with High Ratoon Ability |
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| Institution: | ZHANG Rong-hua,HE Hong,ZHANG Ge-min,LIU Hai-bin,LI Yang-rui,et al(1.Guangxi Sugarcane Research Institute,Nanning 530007,China;2.Guangxi Sugarcane Sub-center National Sugar Crops Improvement Center,Nanning 530007,China;3.Guangxi Academy of Agricultural Sciences,Nanning 530007,China) |
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| Abstract: | A new sugarcane variety of Guitang 29（Guitang02-761） was bred from the hybrid offspring in cross combination by Yacheng94-46×ROC22.The new variety showed a good germination,strong tillering ability,middle stalk diameter,more effective cane stalks,early maturity,high sucrose content,high yield and high strong ratiooning ability characteristics.The results from regional trial for sugarcane varieties in Guangxi predicated that： the average cane stalk product yield was 95.7 t/ha,higher than 12.1% of CK2（ROC16）,little difference with CK1（ROC22）,the ratoon cane stalk yield was 94.0 t/ha,higher than 10.5% of CK1 and 19.4% of CK2 respectively.The average sugar content was 15.62%,which was higher than 0.60% of CK1 and 0.64% of CK2 respectively.The average sugar product yield was 15.0 t/ha,which was higher than CK1 with 4.2% and CK2 with 17.2%,respectively.The variety has wide adaptability,and its chilly resistance was superior to variety of ROC22.The new variety registration was passed the by Guangxi Committer for Crop Variety Registration and nominated as Guitang 29. |
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| Keywords: | new sugarcane varieties Guitang 29 ratoon cane breeding |
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