Age-dependent changes in in vivo nitrate reductase activity in black pepper (Piper nigrum L.)
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Date
2007-02-08
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Abstract
Nitrate reductase activity (NRA) was studied in the leaves and berries of black pepper during growth and development. The mature leaves from the runner shoots showed higher NRA per leaf than the young leaves, though the latter showed higher activity on unit weight basis. The enzyme activity in the flag leaf opposite to the spikes bearing the berries and in the berry, during its development was investigated. NRA in the berry increased with the time of development while that in the flag leaf declined. The activity in the leaves of runner shoots was found to be high during the day time and negligible during the night.
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Keywords
nitrate reductase activity, black pepper,
Citation
J.Plantn.Crops 1988 v-16 i-1 p-26-30