Do increases in xylem sap pH and/or ABA concentration mediate stomatal closure following nitrate deprivation?

Stomatal conductance (gs) of pepper (Capsicum annuum L.) plants decreased during the second photoperiod (day 2) after withholding nitrate (N). Stomatal closure of N‐deprived plants was not associated with a decreased shoot water potential (Ψshoot); conversely Ψshoot was lower in N‐supplied plants. N...

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Veröffentlicht in:	Journal of experimental botany 2003-04, Vol.54 (385), p.1281-1288
Hauptverfasser:	Dodd, I. C., Tan, L. P., He, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Abscisic Acid - pharmacology Agronomy. Soil science and plant productions Biological and medical sciences Capsicum Capsicum - chemistry Capsicum - drug effects Capsicum - physiology Cytokinins Economic plant physiology Fundamental and applied biological sciences. Psychology Hydrogen-Ion Concentration Key words: Abscisic acid Leaves nitrate Nitrates Nitrates - pharmacology Nitrogen Nitrogen - metabolism Photoperiod Plant Leaves - chemistry Plant Leaves - drug effects Plant Leaves - physiology Plant physiology and development Plant Transpiration - drug effects Plant Transpiration - physiology Plants Research Papers: Plants and the Environment Sap Signal Transduction - drug effects Signal Transduction - physiology stomata Transpiration Water - physiology Water and solutes. Absorption, translocation and permeability Water relations, transpiration, stomata water status Xylem xylem pH
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