文献类型： 外文期刊
作者： Li, Xiang 1 ; Huang, Quyan 1 ; Huang, Hairong 1 ; Wang, Lunwagn 1 ; Zhou, Zhongfeng 1 ; Zhou, Hui 1 ; Yang, Rongzhong 1 ;
作者机构： 1.Guangxi Acad Agr Sci, Sugarcane Res Inst, Nanning 530007, Guangxi, Peoples R China
关键词： Sugarcane clones;Low nitrogen stress;Nitrogen use efficiency;Cane yield
期刊名称：BANGLADESH JOURNAL OF BOTANY （ 影响因子：0.308； 五年影响因子：0.348 ）
ISSN： 0253-5416
年卷期： 2015 年 44 卷 5 期
页码：
收录情况： SCI
摘要： This study examined the agronomic traits yield and sucrose content of different sugarcane clones in low nitrogen stress to determine which showed the best performance. ROC22 was the control in the comparative planting experiment. Six Guitang clones from a 2004 seeding were studied. The results indicated that the germination rate, stalk diameter, minable stalks, cane yield, and sucrose content of Guitang 04/1028, Guitang 04/1531, Guitang 04/522, Guitang 04/539, Guitang 04/2299 and Guitang 04/109 were higher than those of the control. Guitang 04/539 was resistant to low nitrogen stress and showed better sprout rate, stalk diameter, millable cane, cane yield, and sugar yield in low nitrogen doses. Its cane yield and sucrose contents were 104.81 and 15.04 t/hm(2), respectively; they increased 17.46 and 15.04% compared to the control. Low nitrogen stress negatively influences tillering and the amount of millable cane, which decreases cane and sugar yield. Therefore, results of this experiment could serve as a reference for further sugarcane breeding research.
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