American Journal of Botany, Vol. 76, No. 8 (Aug., 1989), pp. 1125-1135 (11 pages) Populations of Atriplex triangularis were grown under laboratory conditions in a growth chamber and manipulated in an ...

(1) Seasonal nitrate reductase (NR) activity of the young, uppermost leaves of three genotypes (diploid, tetraploid and hexaploid) of Atriplex canescens growing in situ showed maximal activity during ...