The Phosphorus-Iron Relationship in Genetical Chlorosis.

Dekock, P. C.; Hall, A. D.

doi:10.1104/pp.30.3.293

Cited by 44 publications

(18 citation statements)

References 10 publications

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“…obtained with chlorotic tissue from varieEated leaves (table VII), and with leaves of mustard (table V) and sugar beet (table VI) in which chlorosis is due to nickel toxicity. Here significant amounts of hematin compounds remain even when chlorophyll is almost absent, although the hematin levels are always much lower in chlorotic than in corresponding green and healthy tissue, in accordance with earlier findings (9).…”

Section: Discussionsupporting

confidence: 80%

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Interrelationships of Catalase, Peroxidase, Hematin, and Chlorophyll

et al. 1960

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Section: Discussionsupporting

confidence: 80%

“…Such relationships are strikingly apparent in variegated plants (9) and also in plants suffering from heavy nmetal toxicity (8) …”

mentioning

confidence: 99%

Interrelationships of Catalase, Peroxidase, Hematin, and Chlorophyll

et al. 1960

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“…Since the observation of de Kock and Hall (1955) that chlorotic leaves had a higher P/Fe ratio than non-chlorotic leaves in some plant species (e.g. Bougainvillea glabra, Sambucusnigra, Ilex aquifolium, Pelargonium zonale and Spiraea japonica), different experiments have suggested that high P fertilization exerts a negative effect on Fe nutrition.…”

Section: Introductionmentioning

confidence: 99%

Organic acids alleviate iron chlorosis in chickpea grown on two p-fertilized soils

Sánchez‐Rodríguez¹,

Campillo²,

Torrent³

et al. 2014

J. Soil Sci. Plant Nutr.

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The objectives of this paper are to investigate the response of chickpea growing on two iron (Fe) chlorosisinducing calcareous soils, with different Fe availability, generously supplied with phosphate (P), and to evaluate the effectiveness of a mixture of organic acids (citric, oxalic and malic) to alleviate Fe chlorosis symptoms. Application of P (+P treatment) aggravated Fe deficiency irrespective of the soil. Phosphorus-induced Fe chlorosis was alleviated when organic acids were also applied to the soil (+P+OA treatment), which was reflected in increased leaf chlorophyll concentration and decreased root ferric reductase activity in the plants growing on both soils; the effect was stronger for plants grown on the soil with the lowest Fe-available content. However, Fe chlorosis was still more severe than in the control (-P treatment) plants. The need of -P treatment plants to explore soil in order to take up nutrients is reflected in their root architecture, reduced root diameter and increased length, surface and volume relative to +P and +P+OA roots. Organic acids alleviate Fe chlorosis in function of non crystalline Fe oxides content but inhibit the root response mechanisms as a consequence of increasing Fe concentration in the soil solution.

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“…In addition, the ability of plants for phosphate accumulation has been known as another causative factor for different susceptibility to iron chlorosis 5 6 7 IS due to external 9 and internal inactivation of Fe within the plant 3 11 16 19 The purpose of this investigation was to compare iron nutrition of an 'iron-efficient' plant (iron-efficient sunflower variety) and an 'iron-inefficient' plant (iron-inefficient corn variety) grown alone and together in nutrient solution containing inorganic Fe 3+ or FeEDTA as the source of iron. The data provide further information to evaluate the importance of the two species' interaction with respect to the availability of iron compounds.…”

Section: Introductionmentioning

confidence: 99%

Iron nutrition of sunflower and corn plants in mono and mixed culture

Kashirad¹,

Marschner²

1974

Plant Soil

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Sunflower (Helianthus annuus L. var. Giganteus) and corn plants (Zea mays L. var. Velox)were grownin mono and mixed culture for 11 days in nutrient solution containing no iron, inorganic Fe 3+ and FeEDTA (2 ppm Fe each) respectively to evaluate the interaction between both plant species on their ability for iron uptake.Both plant species developed chlorosis under iron stress (no iron, inorganic Fe ~+) ; tmwever, due to the ability of sunflower plants to lower the pH of the nutrient solution under iron stress conditions, in presence of inorganic Fe 3+ the pH lowering was followed by regreening of sunflower in mono and mixed culture. In mixed culture but not in mono culture corn plants also regreened under these conditions.With respect to iron accumulation, therefore, the sunflower plants promoted the uptake and translocation of iron to the shoot of corn plants, i.e. an 'Feefficient' species can improve the iron nutrition of an 'Fe-inefficient' one. In contrast to this corn plants had little or no effect on the iron nutrition of sunflower plants.The corn variety used in this experiment developed chlorosis even in presence of 2 ppm Fe in form of EDTA. This high susceptibility to iron chlorosis was related to the P/Fe ratio in the shoot rather than to the capacity of the plants for absorption and translocation of iron, because sunflower plants with the same or even lower iron content but lower phosphorus content were green.

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The Phosphorus-Iron Relationship in Genetical Chlorosis.

Cited by 44 publications

References 10 publications

Interrelationships of Catalase, Peroxidase, Hematin, and Chlorophyll

Interrelationships of Catalase, Peroxidase, Hematin, and Chlorophyll

Organic acids alleviate iron chlorosis in chickpea grown on two p-fertilized soils

Iron nutrition of sunflower and corn plants in mono and mixed culture

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