INFLUENCE OF SALICYLIC AND SUCCINIC ACIDS ON ANTIOXIDANT ENZYMES ACTIVITY, HEAT RESISTANCE AND PRODUCTIVITY OF PANICUM MILIACEUM L.
2011
Kolupaev Yu.Ye. | Yastreb T.O. | Karpets Yu.V. | Miroshnichenko N.N.
The influence of treatment of millet (Panicum miliaceum L.) seeds with the solutions of salicylic and succinic acids on the heat resistance of plantlets and activity of antioxidant enzymes – superoxide dismutase (SOD), catalase and peroxidase – in them have been investigated. In the micro-field experiment the influence of these acids on the millet yield was estimated. The action of salicylic (10 μM) and succinic (1 mM) acids caused the increase of plantlets resistance to the damaging heating that expressed in the rise of relative quantity of survived plantlets in 5 days after heating at the temperature of 47°С and in the reduced content of lipid peroxidation product malonic dialdehyde during the poststress period. The increase of activity of SOD, catalase and peroxidase took place in millet plantlets under the influence of salicylic and succinic acids. The increase of productivity of millet grain under the action of salicylic and succinic acids on 13,3-52,0 and 6,4-38,8% respectively depending on weather conditions in the field experiments was noted.
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