Effect of growth regulator Kelpak SL on the formation of aboveground biomass of Festulolium braunii (K. RICHT.) A. Camus

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Title Effect of growth regulator Kelpak SL on the formation of aboveground biomass of Festulolium braunii (K. RICHT.) A. Camus
Autor: Sosnowski, Jacek; Jankowski, Kazimierz; Wiśniewska-Kadżajan, Beata
URI: http://hdl.handle.net/11331/3466
https://doi.org/10.5586/aa.2013.031
Date: 2013
Źródło: Acta Agrobotanica. Vol. 66, No. 2 (2013), s. 149-154
Abstract: A study on the cultivation of Festulolium braunii cv. 'Felopa' was carried out using polyurethane rings with a diameter of 36 cm and a height of 40 cm, which were sunk into the ground to a depth of 30 cm and filled with soil material. In this experiment, Kelpak SL was used as a bioregulator. It consists of natural plant hormones such as auxins (11 mg in dm3) and cytokinins (0.03 mg in dm3). The experimental factors were as follows: A1-control; A2 – 20% solution of the growth regulator; A3 – 40% solution; and A4 – 60% solution. The preparation was applied to all three regrowths in the form of spray, at a rate of 3 cm3 ring-1, at the stem elongation stage. The full period of this experiment was in the years 2010–2011. During this time, detailed investigations were carried out on aboveground biomass yield (g DM ring-1), number of shoots (pcs ring-1), leaf blade length (cm), width of the leaf blade base (mm), leaf greenness index (SPAD). The study showed a significant effect of the growth regulator on the formation of Festulolium braunii biomass. However, its highest effectiveness was observed when the 60% solution was applied

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