The effect of growth regulators on content of assimilation pigment in leaves of three soybean cultivars (Glycine max L. Merr)
Journal Title: Rośliny Oleiste - Oilseed Crops - Year 2010, Vol 31, Issue 2
Abstract
Two-year pot experiment was carried out in a vegetation house of the Western Pomeranian University of Technology in Szczecin aimed at determination of the effect of exogenous growth regulators, i.e. indolilo-3-butyric acid (IBA) and 6-benzylaminopurine (BAP) used separately and in mixture, on the content of assimilation pigments (total chlorophyll and carotenoids) in the seeds of three Polish soybean (Glycine max L. Merr) cultivars, i.e. Aldana, Progres and Jutro. During plant vegetation, a double spraying with growth regulators at a concentration of 30 mg·dm-3 was applied. Control plants were sprayed with distilled water. The assimilation pigments were measured three times in each vegetation season (triparted compound leaf stage, flowering stage, seeds development stage). As a result of performed examinations soybean cultivars were found to show the highest chlorophyll total and carotenoids contents in the triparted compound leaf stage and in the flowering stage. The cultivar Aldana sprayed with indolilo-3-butyric acid (IBA) was characterised by significantly higher assimilation pigments content at seed development stage than control cultivars. Regulator growth was effective in delaying leaves senescence by retarding the assimilation pigments loss.
Authors and Affiliations
Anna Nowak, Jacek Wróbel
Keywords
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