玉米营养成分时空动态

应用生态学报 ›› 2004, Vol. ›› Issue (9): 1589-1593.

玉米营养成分时空动态

陈玉香¹, 周道玮², 张玉芬³

1. 吉林大学生物与农业工程学院, 长春 130025;
2. 东北师范大学草地科学研究所, 长春 130024;
3. 北京师范大学生命科学学院, 北京 100875

收稿日期:2003-06-18 修回日期:2003-11-04
通讯作者: 周道玮,E-mail:zhoudw@nenu.edu.cn
基金资助:
国家重点基础研究发展规划资助项目(G2000018602)

Temporal and spatial variations of chemical constituents in maize

CHEN Yuxiang¹, ZHOU Daowei², ZHANG Yufen ³

1. School of Biological and Agricultural Engineering, Jilin University, Changchun 130025, China;
2. Institute of Grassland Science, Northeast Normal University, Changchun 130024, China;
3. Institute of Ecology, College of Life Science, Beijing Normal University, Beijing 100875, China

Received:2003-06-18 Revised:2003-11-04

摘要/Abstract

摘要： 研究了玉米营养成分时空动态变化.结果表明,随着玉米生育期的推进,玉米籽粒的总淀粉、粗蛋白和粗脂肪的含量逐渐升高;而茎、叶的粗蛋白、粗脂肪含量逐渐下降,中性洗涤纤维、酸性洗涤纤维和酸性洗涤木质素含量逐渐升高.茎、叶粗蛋白含量下降的幅度大于籽粒粗蛋白含量上升幅度.同时,玉米植株上部叶片的粗蛋白含量高于下部叶片,而中性洗涤纤维、酸性洗涤纤维和酸性洗涤木质素含量低于下部叶片.茎上部粗蛋白含量高于下部,中性洗涤纤维、酸性洗涤纤维和酸性洗涤木质素含量低于下部.

关键词: 玉米, 营养成分, 时空动态

Abstract: Study on the temporal and spatial variations of chemical constituents in maize showed that with the development of maize,the contents of total starch,crude protein and crude lipid in its kernel increased,while those of crude protein and crude lipid in its leaf and stem decreased.The content of fiber extracted by neutral agent and that of fiber and lignin in leaves and stems increased.The crude protein content of the top leaf was higher than that of the basal leaf,while the content of fiber extracted by neutral agent and that of fiber and lignin in the top leaf were lower than those of the basal leaf.The crude protein content of the top stem was higher than that of the basal stem,while the content of the fiber extracted by neutral agent and that of the fiber and lignin in the top stem were lower than those of the basal stem.

Key words: Maize, Chemical constituents, Temporal and spatial dynamics

中图分类号:

S181

陈玉香, 周道玮, 张玉芬. 玉米营养成分时空动态[J]. 应用生态学报, 2004, (9): 1589-1593.

CHEN Yuxiang, ZHOU Daowei, ZHANG Yufen . Temporal and spatial variations of chemical constituents in maize[J]. Chinese Journal of Applied Ecology, 2004, (9): 1589-1593.

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