Open AccessEffects of Ammonium Nutrition on Water Stress, Water Uptake, and Root Pressure in Lycopersicon esculentum Mill
Author(s) -
Bruno Quebedeaux,
J. L. Ozbun
Publication year - 1973
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.52.6.677
Subject(s) - lycopersicon , mill , ammonium , water stress , stress (linguistics) , chemistry , agronomy , botany , horticulture , biology , organic chemistry , linguistics , philosophy
Ammonium (NH(4) (+)) nutrition inhibits water uptake and root exudation and decreases leaf water potential of tomato plants grown in solution culture. This inhibition is readily reversible by NO(3) (-) for short term exposures to NH(4) (+); however, recovery is delayed following long term exposures.
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