期刊论文

中文

湖南农业大学学报(自然科学版)

1007-1032

2003

29

4

326-329

10.3321/j.issn:1007-1032.2003.04.014

湖南省教育厅青年科研项目（99-11）；

本校为第一机构

为研制开发提高玉米籽粒蛋白质含量的新型植物生长调节剂,采用田间小区试验,研究了羧甲基壳聚糖对玉米氮代谢关键酶的调控效果.结果表明,羧甲基壳聚糖对玉米氮代谢具有一定的调控作用,可显著提高玉米功能叶硝酸还原酶、谷氨酰胺合成酶、谷氨酰胺转化酶、蛋白水解酶和玉米籽粒的谷氨酰胺合成酶活性,降低玉米籽粒的蛋白水解酶活性,并能明显增加玉米籽粒的全氮、蛋白氮含量.

In this paper the effects of Ncarboxymethyl chitosan on key nitrogen metabolism enzymes of maize are investigated by field experiment to provide the theoretical basis for exploiting new plant growth regulators and popularizing new technology of increasing maize protein content and maize yield. The results show that the nitrate reductase,glutamine synthetase,protease and glutamine transverase activities of functional leaves and the glutamine synthetase activities, the contents of total N and protein N of grain in maize are obviously increased,...