In vitro nitrogen nutrition and hormonal pattern in bromeliads

@article{Endres2007InVN,
  title={In vitro nitrogen nutrition and hormonal pattern in bromeliads},
  author={Laur{\'i}cio Endres and Beatriz Maia Souza and Helenice Mercier},
  journal={In Vitro Cellular & Developmental Biology - Plant},
  year={2007},
  volume={38},
  pages={481-486}
}
Four cytokinins (CKs), indole-3-acetic acid (IAA) and its ester and amino conjugates, and abscisic acid (ABA) levels of two bromeliads, Ananas comosus (L.) Merril and Vriesea gigantea Gaudich., grown in 5 mM (NH4)2SO4 or urea as the sole nitrogen (N) form, were investigated. In both bromeliads, zeatin (Z) and zeatin riboside ([9R]Z) were the most abundant CKs. In A. comosus, CKs levels decreased drastically (≊ 12 times) after 7 and 30 d in media with ammonium and urea, respectively. After 3 d… CONTINUE READING

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