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The dynamics of the uptake of unionized [NP(NH2)2]2 by barley plants

Dynamika vstupu neiontového [NP(NH2)2]3 do rostlin ječmene

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Biologia Plantarum

Abstract

The dynamics of the uptake by barley plants of trimer phosphonitrile-amide [PN(NH2)2]3 labelled with32P was studied. It was shown experimentally that the covalent compound [PN(NH2)2]3 enters the plants more rapidly than (NH4)2HPO4. Hence it was concluded that the mechanisms of the transport of [PN(NH2)2]3 and (NH4)2HPO4 into the cells, across the cell membranes, are different.

Abstract

Byla sledována dynamika vstupu trimerního fosfornitridamidu [PN(NH2)2]3 se značeným32P do rostlin ječmene. Pokus provedený za uvedených podmínek ukazuje, že kovalentní sloučenina [PN(NH2)2]3 vstupuje do rostlin jako taková intensivněji než srovnávací (NH4)2HPO4. Mechanismy přenosu [PN(NH2)2]3 a (NH4)2HPO4 přes membrány do nitra buněk jsou tedy rozdílné.

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References

  • Ondráček, L.: Agrochemické aspekty některých dusíko-fosforečných sloučenin s přímou vazbou P-N. [Agrochemical aspects of some nitrogen—phosphorus compounds with a direct P—N bond.]—Diss. thesis, Agr. College, Nitra, 1968.

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  • Wallace, A.: Solute Uptake by Intact Plants.—Los Angeles, California, 1963.

  • Waněk, W., Ondráček, L., Jäger, L., Jára, V., Řezáč, Z., Skřivánek, J.: Nová vysokokoncentrovaná hnojiva.—ČSSR patent No. 119 288, 1969.

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Author notes

  1. L. Ondráček

    Present address: Research Institute of Inorganic Chemistry, SNP 37, Ústí n. L., Czechoslovakia

  2. W. Waněk

    Present address: , SNP 35, Ústí n. L., Czechoslovakia

Authors and Affiliations

  1. College of Agriculture, Nitra

    J. Hampl

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  1. L. Ondráček
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  2. J. Hampl
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  3. W. Waněk
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Ondráček, L., Hampl, J. & Waněk, W. The dynamics of the uptake of unionized [NP(NH2)2]2 by barley plants. Biol Plant 12, 71–73 (1970). https://doi.org/10.1007/BF02920881

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  • DOI: https://doi.org/10.1007/BF02920881

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