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Studies on growth and utilization of stylar carbohydrate by pollen tubes and callose development in self-incompatibleOenothera organesis

Studium využití cukru čnělky při růstu pylových láček a tvorbě kalosy u samoinkompatibilníOenothera organesis

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Biologia Plantarum

Abstract

The addition of boric acid or calcium, or both boric acid and calcium to the warm water in which the styles were treated led to a further enhancement of pollen tube growth in otherwise incompatible styles.

It was established that developing pollen tubes ofOenothera organesis obtain sugar from the stylar tissue through which they grow. The rate of this utilization of endogenous sugar was stimulated by the addition of boric acid.

It was further established that with increased pollen tube development there was reduction in callose plugs as well as in content of endogenous stylar sugar.

Abstract

Přidání kyseliny borité nebo vápníku nebo obou těchto látek současně do teplé vody, v níž byly ošetřeny čnělky, vedlo k dalšímu obohacení růstu pylových láček ujinak inkompatibilních čnělek.

Bylo dokázáno, že vyvíjející se pylové láčky uOenothera organesis získávají cukr z pletiva čnělek v průběhu svého růstu. Rychlost využití endogenního cukru byla zvýšena přidáním kyseliny borité.

Dále bylo dokázáno, že se zvýšením růstu pylové láčky se snížila tvorba kalosových zátek a stejně tak i obsah endogenního cukru v čnělce.

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Author notes

  1. S. Kumar (Geneticist)

    Present address: Agricultural Experiment Station, University of Udaipur, Udaipur, India

Authors and Affiliations

  1. Washington State University, Pullman, Washington

    S. Kumar (Geneticist) & A. Hecht

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  1. S. Kumar
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  2. A. Hecht
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Additional information

The senior author was recepient of the Rockefeller Foundation Fellowship during the course of these investigations. Supported in part by NIH Grant GM-10951-01.

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Kumar, S., Hecht, A. Studies on growth and utilization of stylar carbohydrate by pollen tubes and callose development in self-incompatibleOenothera organesis . Biol Plant 12, 41–46 (1970). https://doi.org/10.1007/BF02920877

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  • DOI: https://doi.org/10.1007/BF02920877

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