relationship between nitrate reductase and plant productivity in Agrostis species

Although many ecological and agricultural experiments have sought to prove that nitrate reductase activity (NRA) could be directly related to productivity, this has proved to be difficult. The experiments indicate that Agrostis tenuis and A. stolonifera may differ in both productivity and NRA but th...

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Bibliographic Details
Published in:The New phytologist 1983-09, Vol.95 (1), p.3-8
Main Authors: Harris, P, Whittington, W.J
Format: Article
Language:English
Subjects:
Agroecology
Agrostis
Agrostis tenuis
Biological and medical sciences
Enzymes
Fundamental and applied biological sciences. Psychology
Grains
Metabolism
Nitrates
Nitrogen
plant biochemistry
Plant growth
plant physiology
Plant physiology and development
Plants
Productivity
Sand
Stolonifera
Sward
Tillers
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Summary:Although many ecological and agricultural experiments have sought to prove that nitrate reductase activity (NRA) could be directly related to productivity, this has proved to be difficult. The experiments indicate that Agrostis tenuis and A. stolonifera may differ in both productivity and NRA but the results are much affected by environmental factors such as temperature, plant density and probably by variety. The environment can apparently determine whether the products of NRA are directed into storage protein or directly into growth. Thus, while NRA should always be correlated with total plant nitrogen, experiments may show a negative, positive or no relationship at all between growth and NRA depending on the environments imposed during the period of observation because alternatives exist for the utilization of reduced nitrate.
ISSN:0028-646X
1469-8137
DOI:10.1111/j.1469-8137.1983.tb03462.x