NODULE NITRATE REDUCTASE AS A SOURCE OF REDUCED NITROGEN IN SOYBEAN, GLYCINE-MAX

被引：43
作者：
RANDALL, DD [1 ]
RUSSELL, WJ [1 ]
JOHNSON, DR [1 ]
机构：
[1] UNIV MISSOURI,DEPT AGRON,COLUMBIA,MO 65211
来源：
PHYSIOLOGIA PLANTARUM | 1978年 / 44卷 / 04期
关键词：
D O I：
10.1111/j.1399-3054.1978.tb01631.x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Hydroponically grown soybeans were fed 15N‐enriched NaNO3 at nine reproductive stages of development. The stem exudates contained excess 15N in the fully reduced nitrogen fraction. The soybean nodules had high nitrate reductase activity, whereas the roots had no detectable nitrate reductase activity. Based on these results, we concluded that the nodule nitrate reductase system has the potential of contributing significantly to the nitrogen economy of the plant. Copyright © 1978, Wiley Blackwell. All rights reserved
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页码：325 / 328
页数：4
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