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Boeken G, Van Oostveldt P. Gibberellic-acid-induced cell elongation in pea epicotyls: Effect on polyploidy and DNA content. Planta. 1977;135(1):89-91doi: 10.1007/BF00387981.
Boeken, G., & Van Oostveldt, P. (1977). Gibberellic-acid-induced cell elongation in pea epicotyls: Effect on polyploidy and DNA content. Planta, 135(1), 89-91. https://doi.org/10.1007/BF00387981
Boeken, G, and Van Oostveldt, P. "Gibberellic-acid-induced cell elongation in pea epicotyls: Effect on polyploidy and DNA content." Planta vol. 135,1 (1977): 89-91. doi: https://doi.org/10.1007/BF00387981
Boeken G, Van Oostveldt P. Gibberellic-acid-induced cell elongation in pea epicotyls: Effect on polyploidy and DNA content. Planta. 1977 Jan;135(1):89-91. doi: 10.1007/BF00387981. PMID: 24419898.
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Planta. 1977 Jan;135(1):89-91. doi: 10.1007/BF00387981.

Gibberellic-acid-induced cell elongation in pea epicotyls: Effect on polyploidy and DNA content.

Planta

G Boeken, P Van Oostveldt

Affiliations

  1. Laboratory of Plant Physiology, Rijksuniversiteit, K.L. Ledeganckstraat 35, B-9000, Ghent, Belgium.

PMID: 24419898 DOI: 10.1007/BF00387981

Abstract

In gibberellic-acid(GA3)-treated epicotyls of dwarf peas (Pisum sativum L.) grown in the light, DNA (per cell and per epicotyl) is followed. Histofluorometric DNA determinations show that GA3-promoted cell elongation is not accompanied by increased endomitosis, but chemical estimations show an increased DNA content per epicotyl. This difference must therefore be the result of increased mitotic activity in the GA3-treated tissue. Epicotyls of seedlings grown with or without cotyledons under continuous light with GA3 are tetraploid, as are those of ecotylized embryos grown in darkness. These epicotyls reach no more than half the length of octaploid epicotyls of seedlings grown in darkness. This result provides evidence for a relationship between polyploidy and final possible cell length.

References

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