Light modulation and in vitro effects of adenine nucleotides on leaf nitrate reductase activity in cucumber (Cucumis sativus)

1999 ◽  
Vol 105 (2) ◽  
pp. 218-223 ◽  
Author(s):  
Eloísa Agüera ◽  
Lourdes Poblete ◽  
Purificación de la Haba ◽  
José M. Maldonado
Keyword(s):  
Nitrate Reductase ◽  
Cucumis Sativus ◽  
Nitrate Reductase Activity ◽  
Reductase Activity ◽  
Adenine Nucleotides ◽  
Light Modulation ◽  
In Vitro Effects ◽  
Leaf Nitrate

Changes in Leaf Nitrate Reductase Activity In Vivo and In Vitro During Light-Dark Transitions

1999 ◽  
Vol 8 (1) ◽  
pp. 37-40 ◽  
Author(s):  
B. K. Salalkar ◽  
R. S. Shaikh ◽  
R. M. Naik ◽  
S. V. Munjal ◽  
B. B. Desai ◽  
...  
Keyword(s):  
Nitrate Reductase ◽  
Nitrate Reductase Activity ◽  
Reductase Activity ◽  
Leaf Nitrate

Light-modulation of nitrate reductase activity in leaves and roots of maize

1995 ◽  
Vol 94 (2) ◽  
pp. 305-311 ◽  
Author(s):  
Lucia Merlo ◽  
Massimo Ferretti ◽  
Calvino Passera ◽  
Rossella Ghisi
Keyword(s):  
Nitrate Reductase ◽  
Nitrate Reductase Activity ◽  
Reductase Activity ◽  
Light Modulation ◽  
Leaves And Roots

SEASONAL PATTERNS OF DENITRIFICATION AND LEAF NITRATE REDUCTASE ACTIVITY IN A CORN FIELD

1978 ◽  
Vol 58 (2) ◽  
pp. 283-285 ◽  
Author(s):  
D. G. PATRIQUIN ◽  
J. C. MacKINNON ◽  
K. I. WILKIE
Keyword(s):  
Nitrate Reductase ◽  
Nitrate Reductase Activity ◽  
General Trend ◽  
Reductase Activity ◽  
Seasonal Patterns ◽  
Assay Procedure ◽  
Acetylene Blockage Technique ◽  
Acetylene Blockage ◽  
Leaf Nitrate

Denitrification in soil around the bases of corn stalks, determined by the "acetylene blockage technique," exhibited a general trend of decline from June to September. Leaf nitrate reductase activity, determined by an in vivo assay procedure, was low in June and July, and then exhibited a pronounced maximum at the time of tasselling.

scholarly journals Limitations on Leaf Nitrate Reductase Activity during Flowering and Podfill in Soybean

1986 ◽  
Vol 80 (2) ◽  
pp. 454-458 ◽  
Author(s):  
Beth M. Nelson-Schreiber ◽  
Lee E. Schweitzer
Keyword(s):  
Nitrate Reductase ◽  
Nitrate Reductase Activity ◽  
Reductase Activity ◽  
Leaf Nitrate

Nitrogen Uptake of Field-grown Cotton. II. Nitrate Reductase Activity and Petiole Nitrate Concentration as Indicators of Plant Nitrogen Status

1983 ◽  
Vol 19 (1) ◽  
pp. 103-109 ◽  
Author(s):  
D. M. Oosterhuis ◽  
G. C. Bate
Keyword(s):  
Nitrate Reductase ◽  
Seasonal Changes ◽  
Nitrate Reductase Activity ◽  
Nitrate Concentration ◽  
Reductase Activity ◽  
Soil N ◽  
Plant Nitrogen ◽  
Petiole Nitrate Concentration ◽  
Leaf Nitrate ◽  
N Status

SUMMARYThe possibility of using seasonal changes in leaf nitrate reductase activity (NRA) as a reliable and sensitive indicator of plant nitrogen (N) status has been investigated in field-grown cotton. These changes were compared with those in nitrate concentration in petioles and variations in soil-N concentration. We conclude that NRA in the uppermost, fully-expanded sympodial leaves may provide a more convenient, sensitive and reliable indicator of plant-N status than measurements of nitrate concentrations in petioles.

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