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Changes in Nitrate Reductase Activity and Contents of Nitrate and Nitrite During Cold Hardening and Dehardening of Crowns of Winter Wheat ( Triticum aestivum L.) 1
Author(s) -
Toman Frank R.,
Pauli A. W.
Publication year - 1964
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1964.0011183x000400040005x
Subject(s) - pauli exclusion principle , nitrite , horticulture , nitrate , mathematics , biology , physics , ecology , condensed matter physics
' I HE relation between nitrogen constituents and the cold •*• hardening mechanism has received extensive attention since 1949, when Briggs and Siminovitch (1) showed a correlation between water-soluble protein and cold hardiness in the cambial cells of black locust. Association between water-soluble protein and cold hardiness have been reported in several other plants, including winter wheat (9), alfalfa (2), and sweetclover (2). In addition to water-soluble protein, significant increases have been reported in total amino and amide nitrogen (7) and in concentrations of several free amino acids during cold hardening.