The treating of seeds with growth regulators (GR) - methyure and ivne - intensifies the seedling growth and leads to decreasing the proline contents in root tissues particularly. The seedling exposure to 0,1 M NaCl induced the growth reducing of the "overground" part especially and was accompanied with proline accumulation, which was intensified during its prolongation from 1 to 10 days. The seed treating with GR diminished the effect of reducing the seedling growth caused by the salt exposure and prevented from proline accumulation in them. Moreover, the influence of methyure on its contents was stronger in roots and ivine - in leaves. The seed treating with exogenous proline didn't display a great growth effect and resulted in decreasing its contents in leave tissues at the same time. The conclusion was made that the mechanism of GR protective effect is not connected with additional proline accumulation directly under salinization.

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