Plants of ‘Teo’, traditional yellow lupin cultivar were treated with different growth regulators over 1998-2000 at the Mochełek Experiment Station. Growing doses of citokinin, gibberellin and their mixture enhanced the total protein accumulation in yellow lupin seeds. The impact of growth regulators and/or their mixtures on the crude fat content was inconsiderable and changeable with years. The crude fibre content decreased with an increase in doses of gibberellin and of gibberellin and auxin mixture as well as in the dose of three-growth regulator mixture which also decreased the content of ash and increased the content of P, K, Mg and Ca. The impact of Ekolist on the chemical composition of seeds and their viability was lower than of the growth regulators studied.

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