Root hairs on chlorotic tomatoes are an effect of chlorosis rather than part of the adaptive Fe‐stress‐response

References

• Bell , P.F. , Chaney , R.L. and Angle , J.S. 1988 . Staining localization of ferric reduction on roots . J. Plant Nutr. , 11 : 1237 – 1252 .
   Web of Science ®Google Scholar
• Bienfait , H.F. 1988 . Mechanisms of Fe‐efficiency reactions of higher plants . J. Plant Nutr. , 11 : 605 – 629 .
   Web of Science ®Google Scholar
• Bienfait , H.F. , deWeger , L.A. and Kramer , D. 1987 . Control of the development of iron‐efficiency reactions in potato as a response to iron deficiency is located in the roots . Plant Physiol. , 83 : 244 – 247 .
   PubMed Web of Science ®Google Scholar
• Buckhout , T.J. , Bell , P.F. , Luster , D.G. and Chaney , R.L. 1989 . Iron‐stress induced redox activity in tomato (Lycopersicon esculentum L. Mill.) is localized on the plasma membrane . Plant Physiol. , 90 : 151 – 156 .
   PubMed Web of Science ®Google Scholar
• Bugbee , B.G. and Salisbury , F.B. 1985 . An evaluation of MES (2(N‐morpholino)‐ethanesulfonic acid) and amberlite IRC‐50 as pH buffers for nutrient solution studies . J. Plant Nutr. , 8 : 567 – 583 .
   PubMed Web of Science ®Google Scholar
• Chaney , R.L. 1989 . Kinetics of ferric chelate reduction by roots of iron‐stressed peanut . Acta Bot. Neerl. , 38 : 155 – 163 .
   Google Scholar
• Chaney , R.L. and Bell , P.F. 1987 . The complexity of iron nutrition: Lessons for plant‐soil interaction research . J. Plant Nutr. , 10 : 963 – 994 .
   Web of Science ®Google Scholar
• Chaney , R.L. , Bell , P.F. and Coulombe , B.A. 1989 . Screening strategies for improved nutrient uptake and use by plants . HortSci. , 24 : 565 – 572 .
   Web of Science ®Google Scholar
• Chaney , R.L. , Brown , J.C. and Tiffin , L.O. 1972 . Obligatory reduction of ferric chelates in iron uptake by soybeans . Plant Physiol. , 50 : 208 – 213 .
   PubMed Web of Science ®Google Scholar
• Chaney , R.L. , Hamze , M.H. and Bell , P.F. 1992 . Screening chickpea for iron chlorosis resistance using bicarbonate in nutrient solution to simulate calcareous soils . J. Plant Nutr. , (This issue).
   PubMed Web of Science ®Google Scholar
• Holden , M.J. , Luster , D.G. , Chaney , R.L. and Buckhout , T.J. in press . Enzymology of ferric chelate reduction at the root plasma membrane . J. Plant Nutr. ,
   Web of Science ®Google Scholar
• Holden , M.J. , Luster , D.G. , Chaney , R.L. , Buckhout , T.J. and Robinson , C. in press . Fe3+‐chelate reductase activity of plasma membranes isolated from tomato (Lycopersicon esculentum Mill.) roots: Comparison of enzymes from Fe‐deficient and Fe‐sufficient roots . Plant Physiol. ,
   Web of Science ®Google Scholar
• Jolley , V.D. and Brown , J.C. 1985 . Iron stress response in tomato affected by potassium and renewing nutrient solutions . J. Plant Nutr. , 8 : 527 – 541 .
   Web of Science ®Google Scholar
• Kramer , D. , Romheld , V. , Landsberg , E. and Marschner , H. 1980 . Induction of transfer‐cell formation by iron deficiency in the root epidermis of Helianthus annuus L. . Planta , 147 : 335 – 339 .
   PubMed Web of Science ®Google Scholar
• Landsberg , E.‐Ch. 1982 . Transfer cell formation in the root epidermis: A prerequisite for Fe‐efficiency? . J. Plant Nutr. , 5 : 415 – 432 .
   Web of Science ®Google Scholar
• Landsberg , E.‐Ch. 1984 . Regulation of iron‐stress‐response by whole‐plant activity . J. Plant Nutr. , 7 : 609 – 621 .
   Web of Science ®Google Scholar
• Landsberg , E.‐Ch. 1986 . Function of rhizodermal transfer cells in Fe stress response mechanism of Capsicum annuum L. . Plant Physiol. , 82 : 511 – 517 .
   PubMed Web of Science ®Google Scholar
• Landsberg , E.‐Ch. 1989 . Proton efflux and transfer cell formation as responses to Fe deficiency of soybean in nutrient solution culture . Plant Soil , 114 : 53 – 61 .
   Web of Science ®Google Scholar
• Mackinney , G. 1941 . Absorption of light by chlorophyll solutions . J. Biol. Chem. , 140 : 315 – 322 .
   Web of Science ®Google Scholar
• Markwell , M.A. , Haas , S.M. , Tolbert , N.E. and Bieber , L.L. 1981 . Protein determination in membrane and lipoprotein samples: Manual and automated procedures . Methods Enzymol. , 72 : 296 – 303 .
   PubMedGoogle Scholar
• Marschner , H. , Treeby , M. and Römheld , V. 1989 . Role of root‐induced changes in the rhizosphere for iron acquisition in higher plants . Z. Pflanzenemaher. Bodenk. , 152 : 197 – 204 .
   Web of Science ®Google Scholar
• Parker , D.R. , Chaney , R.L. and Norvell , W.A. 1992 . “ Equilibrium computer models: Applications to plant nutrition research ” . In Chemical Equilibrium and Reaction Models , Edited by: Loeppert , R. Madison, WI : Soil Science Society of America Special Publ. American Society of Agronomy . (In press).
   Google Scholar
• Romheld , V. 1987 . “ Existence of two different strategies for the acquisition of iron in higher plants ” . In Iron Transport in Microbes, Plants, and Animals , Edited by: Helm , D. van der , Neilands , J.B. and Winkelmann , G. 353 – 374 . Weinheim, FRG : Verlag Chemie . ISBN 3–527–26685–2.
   Google Scholar
• Romheld , V. and Kramer , D. 1983 . Relationship between proton efflux and rhizodermal transfer cells induced by iron deficiency . Z. Pflanzenphysiol. , 113 : 73 – 83 .
   Google Scholar
• Romheld , V. and Marschner , H. 1981 . Iron deficiency stress induced morphological and physiological changes in root tips of sunflower . Physiol. Plant. , 53 : 354 – 360 .
   Web of Science ®Google Scholar
• Romheld , V. , Muller , C. and Marschner , H. 1984 . Localization and capacity of proton pumps in roots of intact sunflower plants . Plant Physiol. , 76 : 603 – 606 .
   PubMed Web of Science ®Google Scholar
• Rosenfield , C.‐L. , Reed , D.W. and Kent , M.W. 1990 . Dependency of iron reduction on development of a unique root morphology in Ficus benjamina L. . Plant Physiol. , 95 : 1120 – 1124 .
   Web of Science ®Google Scholar
• SAS Institute . 1982 . SAS User's Guide: Statistics, , 1982 ed. , Cary, NC : SAS Institute Inc. .
   Google Scholar
• Sijmons , P.C. and Bienfait , H.F. 1986 . Development of Fe3+ reduction activity and H+ extrusion during growth of iron‐deficient bean plants in a rhizostat . Biochem. Physiol. Pflanzen , 181 : 283 – 299 .
   Google Scholar
• Vos , C.R. de , Lubberding , H. J. and Bienfait , H.F. 1986 . Rhizosphere acidification as a response to iron deficiency in bean plants . Plant Physiol. , 81 : 842 – 846 .
   PubMed Web of Science ®Google Scholar
• Weiss , M.G. 1943 . Inheritance and physiology of efficiency in iron utilization by soybeans . Genetics , 28 : 253 – 268 .
   PubMed Web of Science ®Google Scholar
• Wergin , W.P. , Bell , P.F. and Chaney , R.L. Use of SEM, X‐ray analysis and TEM to localize Fe3+ reduction in roots . Proc. 46th Annu. Mtg. Electron Microscopy Soc. Amer. pp. 392 – 393 .
   Google Scholar
• Hebrew University of Jerusalem.
   Google Scholar
• USDA‐ARS, Frederick, MD.
   Google Scholar
• Department of Agronomy, University of Maryland, College Park, MD.
   Google Scholar