Variation in Nitrate Reductase Activity between Agrostis Species and Ecotypes

It was shown that nitrate reductase activity varied between species of Agrostis. Lower values were found in A. setacea and A. stolonifera and higher but variable values occurred in A. tenuis and A. canina. The hypothesis that species or ecotypes within species might have nitrate reductase activities...

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Bibliographic Details
Published inThe New phytologist Vol. 89; no. 4; pp. 581 - 590
Main Authors Osborne, B. A., Whittington, W. J.
Format Journal Article
LanguageEnglish
Published Oxford, UK Academic Press 01.12.1981
Blackwell Publishing Ltd
Subjects
Acid soils
Bogs
Fertilizers
Genotypes
Nitrates
Plant growth
Plants
Population growth
Population mean
Soil samples
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Summary:It was shown that nitrate reductase activity varied between species of Agrostis. Lower values were found in A. setacea and A. stolonifera and higher but variable values occurred in A. tenuis and A. canina. The hypothesis that species or ecotypes within species might have nitrate reductase activities related to soil nitrate or applied fertilizers was examined, but no clear relationship was found. Consideration is given to the difficulties inherent in establishing such correlations. As in current published evidence the relationship between dry matter production and nitrate reductase was often found to be negative rather than positive as might have been expected.
Bibliography:Department of Agricultural and Food Chemistry, Queen's University of Belfast, Belfast.
ISSN:0028-646X
1469-8137
DOI:10.1111/j.1469-8137.1981.tb02337.x