Physiological Response of Prunus pedunculata to Soil Drought
The changes of physiological and biochemical indexes of Prunus pedunculata under different degrees of drought stress were studied by pot experiment.The results showed that MDA,soluble protein and chlorophyll were sensitive to soil moisture.With the increase of soil drought stress,the change trend of POD and SOD activi-ties under drought stress was roughly the same,and the overall change trend was firstly increased and then de-creased,but the peaks of the two activities were different.The content of chlorophyll increased first and then de-creased,and increased rapidly and then began to decrease at the early stage of stress.In conclusion,under drought conditions,almond pedunculata can tolerate the damage of soil drought stress by increasing the contents of MDA and chlorophyll,as well as the activities of protective enzymes POD and SOD.
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