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Updated: Jan 29, 2026

Identification of Novel Regulators of Plant Transpiration by Large-Scale Thermal Imaging Screening in Helianthus Annuus
Published on: January 30, 2020
Plant regeneration from different explants in Helianthus smithii Heiser
H Laparra1, P Stoeva2, P Ivanov3
1Institut de Biologie Moléculaire des Plantes du C.N.R.S. et Université Louis Pasteur, 12, rue du Général Zimmer, F-67084 Strasbourg Cedex, France, Faxno.: +33-88-61-44-42, E-mail: hahne@helia.u-strasbg.fr, , , , , , FR.
Abstract:
Leaf, rhizome, and stem explants of Helianthus smithii, a wild relative of the cultivated sunflower, have been tested for their morphogenic potential on media containing a range of hormonal combinations including α-naphthaleneacetic acid and 6-benzylaminopurine (0-2 mg/l). Somatic embryos appeared on the majority of the tested media incorporating auxins, while shoots were observed on media containing exclusively 6-benzylaminopurine. Fertile plants were recovered from all explant types under a wide range of conditions, albeit with different efficiencies. The induction mechanism of the observed shoots is discussed.
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