Abstract
The effect of pre-sowing treatment of spring wheat seeds (Triticum aestivum L.) with succinic and salicylic acids at concentrations of 10–5 M and 10–3 M with and without the use of a vacuum infiltrator was studied. The obtained results showed a positive effect of seed treatment under conditions of rarefied pressure (0.9 atm, 15 min) on the development of coleoptile and seedling root on the 7th day of germination. On day 3 (when determining the germination energy), the effect of a rarefied medium did not reveal a significant effect. Under stressful conditions of plant development with hyperthermia, it was found that treatment of seeds with salicylic acid at a concentration of 10–3 M in a rarefied environment provided the best result in reducing stress load by suppressing catalase activity. Succinic acid at a concentration of 10–5 M proved to be the best option as a growth enhancer. Together with the use of a rarefied medium, such treatment most significantly accelerated the development of the coleoptile and the root of the seedling on the 7th day of germination.
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