On the Effect of Foliar Applied Manganese on the Concentration of Manganese in Oat Roots

Boken, Else

doi:10.1111/j.1399-3054.1960.tb08101.x

Cited by 9 publications

(4 citation statements)

References 5 publications

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“…1, 2). This is in agreement with experiments using other plant species as shown by Single (1958) and Boken (1960). However, the absolute quantities of Mn taken up and especially translocated were rather small (Tab.…”

Section: Resultssupporting

confidence: 92%

Uptake and distribution of manganese applied to leaves of Vicia faba (cv. Herzfreya) and Zea mays (cv. Regent) plants

El-Baz

Maier

Wissemeier

et al. 1990

J Plant Nutrition & Soil

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ZusammenfassungUplake aid transport of Mn applied to leaves was studied in maize (Zeu mays cv. Regent) and horse bean (Vicia fuha cv. Herzfreya). two imponant crops in Egypt. Under controlled conditions in a growth chamber, make and horse bean plants were grown in solution culture without Mn. After 20 days, Mn was applied to one older leaf by submerging pan of the leaf blade into 0.1 mM MnSO., or MnEDTA solution for 48 h. At harvest (24 h laler), plants were divided into fractions and Mn concentrations and contents determined. Plants without Mn application served as control. Only I 7i of the Mn supply was taken up. Most of it remained at the application mne. However, pan of the Mn moved out of the leaf of application and was preferentially transported to the shoot apex. This was indicated by a up to 2 times higher Mn concentration of the youngest leaf.When Mn was applied as MIEDTA. Mn uptake was lower but translocation enhanced compared to MnSO.,. There were no consistent differences between the plant species although mobility of Mn seemed to be higher in maize. Although the amounts of Mn taken up and translocated were low, the results suggest that in these plant species, leaf-applied Mn may contribute to the Mn nuuition of new growth.

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Section: Resultssupporting

confidence: 92%

Uptake and distribution of manganese applied to leaves of Vicia faba (cv. Herzfreya) and Zea mays (cv. Regent) plants

El-Baz

Maier

Wissemeier

et al. 1990

J Plant Nutrition & Soil

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“…In an earlier publication (Epstein, 1971) suggested that Mn is mobile in the phloem but that the degree of mobility varies with plant species. For example, Mn added by spraying directly to oat shoots resulted in translocation to roots over an extended period (Boken, 1960). In other studies also employing agricultural crops, it was concluded that the movement of Mn in the phloem occurs only in physiologically insignificant amounts (Mengel & Kirkby, 1982; Nable & Loneragan, 1984a,b; Loneragan, 1988).…”

Section: Discussionmentioning

confidence: 99%

Uptake and translocation of manganese in seedlings of two varieties of Douglas fir (Pseudotsuga menziesii var. viridis and glauca)

Dučić¹,

Leinemann

Finkeldey

et al. 2006

New Phytologist

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Summary• Douglas fir ( Pseudotsuga menziesii ) variety glauca (DFG) but not the variety viridis (DFV) showed symptoms of manganese (Mn) toxicity in some field sites. We hypothesized that these two varieties differed in Mn metabolism.• To test this hypothesis, biomass partitioning, Mn concentrations, subcellular localization and 54 Mn-transport were investigated.• Total Mn uptake was three-times higher in DFG than in DFV. DFV retained > 90% of 54 Mn in roots, whereas > 60% was transported to the shoot in DFG. The epidermis was probably the most efficient Mn barrier since DFV contained lower Mn concentrations in cortical cells and vacuoles of roots than DFG. In both varieties, xylem loading was restricted and phloem transport was low. However, sieve cells still contained high Mn concentrations.• DFV displayed higher biomass production and higher shoot : root ratios than DFG. Our results clearly show that both varieties of Douglas fir differ significantly in Mn-uptake and allocation patterns rendering DFG more vulnerable to Mn toxicity.

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“…The contradictory reports in regard to manganese stimulation of the enzyme is probably due to the type of buffers used since it is well known that citrate and pyrophosphate chelate with manganese and this affects its oxidation-reduction potential. from the leaves to the meristematic tissues and Boken (189) has followed the movement of manganese from the tops of cereals to the roots.…”

Section: Other Metabolic Effectsmentioning

confidence: 99%

Minor Mineral Nutrients

Nicholas¹

1961

Annu. Rev. Plant. Physiol.

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Several well documented surveys within the last five years have covered various aspects of the trace element nutrition of plants (1 to 10). The purpose of this review is not to catalogue the work done on trace metals during the last few years but rather to attempt to show how trace metals are concerned in some of the major metabolic pathways of plant metabolism. The term plant is used here in its wider and indeed correct sense to include bacteria, fungi, algae, and higher forms, It is noteworthy that the recent work on the role of trace metals in the metabolism of higher plants was often preceded by work with microorganisms.

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On the Effect of Foliar Applied Manganese on the Concentration of Manganese in Oat Roots

Cited by 9 publications

References 5 publications

Uptake and distribution of manganese applied to leaves of Vicia faba (cv. Herzfreya) and Zea mays (cv. Regent) plants

Uptake and distribution of manganese applied to leaves of Vicia faba (cv. Herzfreya) and Zea mays (cv. Regent) plants

Uptake and translocation of manganese in seedlings of two varieties of Douglas fir (Pseudotsuga menziesii var. viridis and glauca)

Minor Mineral Nutrients

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