@article {52965,
	title = {Naphthenic acids inhibit root water transport gas exchange and leaf growth in aspen (Populus tremuloides) seedlings},
	volume = {22 },
	year = {2002},
	pages = {5 pages },
	publisher = {Tree Physiology },
	abstract = {Effects of sodium naphthenates (NAs) on root hy- draulic conductivity (Lp) and gas exchange processes were ex- amined in aspen (Populus tremuloides Michx.) seedlings grown in solution culture. Exposure of roots to NAs for 3 {\textendash} 5 weeks significantly decreased L p and stomatal conduc- tance. Root-absorbed NAs also decreased leaf chlorophyll concentration, net photosynthesis and leaf growth. Short-term (<= 2 h) exposure of excised roots to NAs significantly de- creased root water flow (Q v) with a concomitant decline in root respiration. We conclude that NAs metabolically inhibited Lp, likely by affecting water channel activity, and that this inhibi- tion could be responsible for the observed reductions in gas ex- change and leaf growth.},
	keywords = {greenhouse, naphthenic acids, trees, UofA, vegetation characteristics},
	url = {http://treephys.oxfordjournals.org/content/22/17/1265.full.pdf},
	author = {Kamaluddin, M. and Zwiazek, J. J.}
}
