Low molecular weight organic acids released from roots of durum wheat and flax into sterile nutrient solutions

References

• Ayers , W.A. and Thornton , R.H. 1968 . Exudation of amino acids by intact and damaged roots of wheat and peas . Plant Soil , 28 (2) : 193 – 207 .
   Web of Science ®Google Scholar
• Barber , D.A. and Gunn , K.B. 1974 . The effect of mechanical forces on the exudation of organic substances by the roots of cereal plants grown under sterile conditions . New Phytol. , 73 : 39 – 45 .
   Web of Science ®Google Scholar
• Barber , D.A. and Lynch , J.M. 1977 . Microbial growth in the rhizosphere . Soil Biol. Biochem. , 9 : 305 – 308 .
   Web of Science ®Google Scholar
• Barber , D.A. and Martin , J.K. 1976 . The release of organic substances by cereal roots into soil . New Pathol. , 76 : 69 – 80 .
   Google Scholar
• Cieslinski , G. , Van Rees , K.C.J. , Huang , P.M. , Kozak , L.M. , Rostad , H.P.W. and Knott , D.R. 1996 . Cadmium uptake and bioaccumulation in selected cultivars of durum wheat and flax as affected by soil type . Plant Soil , 182 : 115 – 124 .
   Web of Science ®Google Scholar
• Elgala , A.M. and Amberger , A. 1988 . Root exudate and the ability of corn to utilize insoluble sources of iron . J. Plant Nutr. , 11 (6–11) : 677 – 690 .
   Web of Science ®Google Scholar
• Galal‐Gorchev , H. 1993 . Dietary intake, levels in food and estimated intake of lead, cadmium, and mercury . Food Additives and Contaminants , 10 (1) : 115 – 128 .
   PubMedGoogle Scholar
• Hale , M.G. and Moore , L.D. 1979 . Factors affecting root exudation. II: 1970–1978 . Adv. Agron. , 31 : 93 – 124 .
   Google Scholar
• Hoffland , E. , Nelemans , J.A. and Findengg , G.R. 1990 . “ Origin of organic acids exuded by roots of phosphorus stressed rape (Brassica napus) plants ” . In Plant Nutrition—Physiology and Application , Edited by: van Beusichem , M.L. 179 – 183 . Dordrecht, , The Netherlands : Kluwer Academic Publisher .
   Google Scholar
• Kafkafi , U. , Welch , R.M. , Norvell , W. A. , Zasoski , R.J. and Baligar , V.C. 1992 . Assessment of current knowledge concerning the chemistry and biology of root‐soil interface . J. Plant Nutr. , 15 (6&7) : xix – xxii .
   Web of Science ®Google Scholar
• Kloke , A. , Sauerbeck , D.R. and Vetter , H. 1984 . “ The contamination of plants and soils with heavy metals and transport of metals in terrestrial food chains ” . In Changing Metal Cycles and Human Health , Edited by: Nriagu , J.O. 113 – 141 . Berlin, , Germany : Springer‐Verlag .
   Google Scholar
• Kloss , M. , Iwannek , K.‐H. , Fendrik , I. and Nieman , E.G. 1984 . Organic acids in the root exudates of Diplachne fusca (Linn.) Beauv . Environ. Exp. Bot. , 24 (2) : 179 – 188 .
   Web of Science ®Google Scholar
• Kraffczyk , I. , Trolldenier , G. and Beringer , H. 1984 . Soluble root exudates of maize: influence of potassium supply and rhizosphere microorganisms . Soil Biol. Biochem. , 16 (4) : 233 – 322 .
   Web of Science ®Google Scholar
• Krishnamurti , G.S.R. , Cieslinski , G. , Huang , P.M. and Van Rees , K.C.J. in press . Kinetics of cadmium release from soils as influenced by organic acids: Implication in cadmium availability . J. Environ. Qual. ,
   Web of Science ®Google Scholar
• Libbert , E. 1974 . Lehrbuch der Pflanzenphysiologie , Jena, , Germany : VEB Gustav Fischer Verlag .
   Google Scholar
• Lipton , D.S. , Blanchar , R.W. and Blevins , D.G. 1987 . Citrate, malate, and succinate concentration in exudates from P‐stressed Medicagosativa L. seedlings . Plant Physiol. , 80 : 175 – 180 .
   Google Scholar
• Marschner , H. 1995 . Mineral nutrition of higher plants , London, , UK : Academic Press .
   Google Scholar
• Marschner , H. , Treeby , M. and Romheld , V. 1989 . Role of root‐induced changes in the rhizosphere for iron acquisition in higher plants . Z. Pflanzenernahr. Bodenk. , 152 : 197 – 204 .
   Web of Science ®Google Scholar
• McDougall , B. 1970 . Movement of l4C‐photosynthate into the roots of wheat seedlings and exudation of 14C from intact roots . New Phytol. , 69 : 37 – 46 .
   Web of Science ®Google Scholar
• Mench , M. and Martin , E. 1991 . Mobilization of cadmium and other metals from two soils by root exudates of Zea mays L., Nicotiana tabacum L., and Nicotiana rustica L. . Plant Soil , 132 : 187 – 196 .
   Web of Science ®Google Scholar
• Perez , F. and Ormeno‐Nunez , J. 1991 . Difference in hydroxamic acid content in roots and root exudates of wheat (Triticum aestivum L.) and rye (Secale cereale L.): Possible role in allelopathy . J. Chem. Ecol. , 17 (6) : 1037 – 1043 .
   PubMed Web of Science ®Google Scholar
• Prikryl , Z. and Vancura , V. 1980 . Root exudates of plants. VI. Wheat root exudation as dependent on growth, concentration gradient of exudates and the presence of bacteria . Plant Soil , 57 : 69 – 83 .
   Web of Science ®Google Scholar
• Rovira , A.D. 1969 . Plant root exudates . Bot. Rev. , 35 : 35 – 57 .
   Web of Science ®Google Scholar
• Rovira , A.D. , Foster , R.C. and Martin , J.K. 1979 . “ Note on terminology: Origin, nature and nomenclature of the organic materials in the rhizosphere ” . In Soil‐Root Interface , Edited by: Harley , J.L. and Russel , R.S. 1 – 4 . New York, NY : Academic Press .
   Google Scholar
• Rovira , A.D. and McDougall , B. 1967 . “ Microbiological and biochemical aspects of the rhizosphere ” . In Soil Biochemistry , Edited by: McLaren , A.D. and Peterson , G.F. 417 – 463 . New York, NY : Marcel Dekker, Inc. .
   Google Scholar
• Szmigielska , A.M. , Van Rees , K.C.J. , Cieslinski , G. , Huang , P.M. and Knott , D. 1995 . Determination of low molecular weight dicarboxylic acids in root exudates by gas chromatography . J. Agric. Food Chem. , 43 : 956 – 959 .
   Web of Science ®Google Scholar
• Vancura , V. 1964 . Root exudation of plants. I. Analysis of root exudates of barley and wheat in their initial phases of growth . Plant Soil , 21 (2) : 231 – 248 .
   Google Scholar
• Vancura , V. , Prikryl , Z. , Kalachorova , L. and Wurst , M. 1977 . Some quantitative aspects of root exudation . Ecol. Bull. , 25 : 381 – 386 .
   Google Scholar
• Vancura , V. and Stotzky , G. 1976 . Gaseous and volatile exudates from germinating seeds and seedlings . Can. J. Bot. , 54 : 518 – 532 .
   Google Scholar
• Zhang , F. , Romheld , V. and Marschner , H. 1991 . Release of zinc mobilizing root exudates in different plant species as affected by zinc nutritional status . J. Plant Nutr. , 14 (7) : 675 – 686 .
   Web of Science ®Google Scholar
• Current address: Research Institute of Pomology and Floriculture, Pomologiczna 18, 96–100 Skierniewice, Poland.
   Google Scholar
• Corresponding author.
   Google Scholar