Abstract
The aim of the present work was to study the effect of auxin physiological analogue TA-12 [1-(2-chloroethoksicarbonylmethyl)-4-naphthalenesulfonic acid calcium salt] on the formation of oilseed rape lateral root and on the mitotic activity of apical meristem cells. Spring oilseed rape (Brassica napus L. ssp. oleifera annua Metzg.) cultivar ‘Mascot’ was chosen as a test object. Anatomical, cytological and histological studies on root development suggest that compound TA-12 induces the activity of parent root pericycle cells, stimulates the formation of lateral roots and enhances the division of apical meristem cells. The auxin transport inhibitor 2,3,5-triiodobenzoic acid suppresses the division of apical meristem cells, while this process is restored by the auxin physiological analogue TA-12 and naphthaleneacetic acid. The compound TA-12, by stimulating primary root growth and lateral root induction, optimised the formation of the oilseed rape root system.
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This study was supported in part by the Lithuanian State Science and Studies Foundation (‘ABIOTECHA’ project).
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Gavelienė, V., Novickienė, L. & Miliuvienė, L. Improving of oilseed rape lateral root formation by physiological analogues of auxin. Acta Physiol Plant 29, 291–295 (2007). https://doi.org/10.1007/s11738-007-0037-2
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DOI: https://doi.org/10.1007/s11738-007-0037-2