Effect of Chloride on Phosphorus Uptake by Corn Roots<sup>1</sup>

Carter, O. G.; Lathwell, D. J.

doi:10.2134/agronj1967.00021962005900030013x

Cited by 13 publications

(4 citation statements)

References 7 publications

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“…Moreover, in recent experiments the apparent affinities for K + uptake by different barley cultivars were closely correlated with growth rates under K + limited conditions (Glass and Perley, 1980). 7.6) is similar to that found for cereal roots (Carter and Lathwell, 1967). grow in PO~depleted soils, Cook (1973) found no evidence that roots of A. vesicaria or A. conduplicata had unusually high affinity for this nutrient.…”

Section: Ion Absorption and Concentrationsupporting

confidence: 61%

“…There is no indication in Fig.7.6 that the ability of A triplex leaves to absorb CI-to much higher concentrations than in Citrus leaves is determined by the relationship between rate of ion uptake and external solution concentration. For example, K + absorption from solutions of low concentrations is insensitive to high levels of Na + (Epstein, 1972) and por uptake is insensitive to Cl- (Carter and Lathwell, 1967). Uptake versus concentration experiments also show that ion uptake by roots may be quite specific and insensitive to high concentrations of other ions.…”

Section: Ion Absorption and Concentrationmentioning

confidence: 99%

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Physiological Processes in Plant Ecology

1980

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This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks.Under §54 of the German Copyright Law where copies are made for other than private use, a fee is payable to the publisher, the amount of the fee to be determined by agreement with the publisher. © by Springer-Verlag Berlin· Heidelberg 1980Softcover reprint of the hardcover 1st edition 1980The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. 2131/3130-543210 PrefaceIn the spring of 1969 a small meeting was convened at the CSIRO Riverina Laboratory, Deniliquin, New South Wales, to discuss the biology of the genus Atriplex, a group of plants considered by those who attended to be of profound importance both in relation to range management in the region and as a tool in physiological research. The brief report of this meeting (Jones, 1970) now serves as a marker for the subsequent remarkable increase in research on this genus, and served then to interest the editors of the Ecological Studies Series in the present volume.This was an exciting time in plant physiology, particularly in the areas of ion absorption and photosynthesis, and unknowingly several laboratories were engaged in parallel studies of these processes using the genus Atriplex. It was also a time at which it seemed that numerical methods in plant ecology could be used to delineate significant processes in arid shrubland ecosystems. Nevertheless, to presume to illustrate and integrate plant physiology and ecology using examples from a single genus was to presume much. The deficiencies which became increasingly apparent during the preparation of the present book were responsible for much new research described in these pages.It was a happy coincidence that the authors had been exposed at times to the philosophies of pioneers in several areas of plant ecology; pioneers who themselves had experimented with members of the genus Atriplex. We have in mind of course the studies by Turesson in Scandinavia, of the genotypic response to habitat; the work of Hall and Clements at the Carnegie Institution on the phylogenetic approach to plant taxonomy; and the field and laboratory studies of Atriplex by Wood and by Beadle in Australia. It was a happy coincidence too, that the authors found themselves in the same laboratory in 1971-72.Since then we have depended a great deal on the support of our colleagues to build on these foundations and to bring the enterprise to its present form. Preeminent among these helpers have been Malcolm Nobs, whose advice we respect rather more than has been acknowledged in Chapter 2. We are particularly grateful for the stimulating collaboration over several years with Joe Ber...

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Section: Ion Absorption and Concentrationsupporting

confidence: 61%

Section: Ion Absorption and Concentrationmentioning

confidence: 99%

Physiological Processes in Plant Ecology

1980

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“…Chlorine level in the substrate has been shown to decrease P concentration or content in range grasses (Gausman et al, 1954) depending on species, but to have little effect on P content of potato (Solanum tuberosum L.) (Gausman et al, 1958). Carter and Lathwell (1967) found no effect on Cl on P uptake in corn (Zea mays L.), however, they maintained a solution pH of 4, which can be considered artificially low in relation to many field soils and non-optimum for P uptake (Tisdale and Nelson, 1970). Carter and Lathwell (1967) quoted studies with rice (Oryza sativa L.) which showed an effect of Cl on P uptake at low but not high substrate P levels.…”

mentioning

confidence: 99%

“…Carter and Lathwell (1967) found no effect on Cl on P uptake in corn (Zea mays L.), however, they maintained a solution pH of 4, which can be considered artificially low in relation to many field soils and non-optimum for P uptake (Tisdale and Nelson, 1970). Carter and Lathwell (1967) quoted studies with rice (Oryza sativa L.) which showed an effect of Cl on P uptake at low but not high substrate P levels. Chabra et al (1976) found a plateau response in P uptake at levels of solution chloride above approximately 150 ~-tM for tomato (Lycopersicum esculentum Mill).…”

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Phosphorus Uptake and Dry Weight of Stylo and White Clover as Affected by Chlorine¹

Chrisholm¹,

Blair

1981

Agronomy Journal

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Caribbean stylo (Stylosanthes hamata L. Taub, ‘Verano’) and white clover (Trifolium repens L., ‘Ladino’) commonly grow in soils of markedly different available P status. In addition, stylo generally grows on highly leached tropical soils that have low levels of Ca and Cl. Before comparisons can be made of P utilization in these species, it is necessary to characterize their nutrient requirements, including the P × Cl interaction in each species, as this affects P uptake and growth. In this work, the effect of solution Cl level on P uptake by stylo and white clover was investigated in a controlled environment, solution culture study. Four P levels (1, 2, 4, 8 µM) and four Cl levels (10, 20, 30, 40 µM for stylo and 10, 30, 100, 200 µM for white clover) were used. Increases in the Fe, Cu, Mo, Ca, and S levels of a previously used nutrient solution were necessary, under the conditions of our work, to satisfy the requirements for growth of species in this study. Maximum dry matter yield and P uptake were recorded in white clover tops and roots in the 8 µM P/100 µM Cl treatment and in stylo tops in the 8 µM P/30 µM Cl treatment. Maximum root yield in stylo was recorded in the 30 µM Cl treatment, with no significant response to P at this Cl level. Stylo root P uptake was at a maximum in the 8 µM P treatment. The results demonstrate the necessity of adjusting the nutrient solution composition to match the requirements of the species under study before embarking on comparisons of differences in the uptake or utilization of a particular element.

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