The induction of non-specific immunity of wheat by UV-C treatment and kojic acid as a biotic elicitor
Abstract
Aim. Plant protection needs a holistic approach and climate changes escalate the problems of important agricultures growing. The aim of our research was to induce the non-specific tolerance of wheat Triticum aestivum to pathogens by UV-C irradiation and kojic acid as a biotic elicitor. Methods. Seeds and plants of winter wheat cv Podolyanka were irradiated by Philips TUV 30 W lamp. The contamination was evaluated and phytopathogen identified. The plants of wheat cv Podolyanka were sprayed by 0.1 mM kojic acid water solution at the second leaf stage. During the experiments the ehdogenous hydrogen peroxide content and morphometric parameters of leaves and roots were measured. Results. It is demonstrated that the effectiveness of UV-C irradiation was more significant with lower doses, the optimal is between small doses with the stimulation influence and higher ones. It is shown that the hydrogen peroxide content in infected winter wheat leaves Triticum aestivum cv Podolyanka after this combination was high during the first days of experimental period and later stabilized. Conclusions. It is detected that combination of UV-C irradiation with kojic acid treatment maintained the plant growth and the development, accelerate their repair and decreased the damage made by phytopathogen Mucor sp.
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