Soyabean stem in vivo nitrate reductase activity

Stem from three- and four-week-old Soyabean [Glycine max (L.) Merr. cv. Tracy] plants reduced from 0.3 to 0.7 μmol nitrate h−l g−l f. wt. Leaf activity was 4.7–7.6 μmol nitrate h−l g−l f. wt. Outer stem was two to four times more active at reducing nitrate than was inner stem. Plant nitrate nutritio...

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Veröffentlicht in:	Annals of botany 1985-05, Vol.55 (5), p.759-761
1. Verfasser:	Hunter, W.J
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences Bradyrhizobium japonicum Economic plant physiology enzyme activity Enzymes Fundamental and applied biological sciences. Psychology Glycine max Glycine max L Leaves Metabolism nitrate assimilation nitrate reductase nitrate reduction Nitrates nitrogen metabolism Nodules Nutrition Nutrition. Photosynthesis. Respiration. Metabolism Physiology plant nutrition Plant physiology Plant physiology and development Plant roots Plants Rhizobium japonicum soyabean Soybeans stems
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Beschreibung
Zusammenfassung:	Stem from three- and four-week-old Soyabean [Glycine max (L.) Merr. cv. Tracy] plants reduced from 0.3 to 0.7 μmol nitrate h−l g−l f. wt. Leaf activity was 4.7–7.6 μmol nitrate h−l g−l f. wt. Outer stem was two to four times more active at reducing nitrate than was inner stem. Plant nitrate nutrition had a strong effect upon the ratio of activity present in stem and leaf. More nitrate increased the proportion present in leaves.
ISSN:	0305-7364 1095-8290
DOI:	10.1093/oxfordjournals.aob.a086954