Effect of NO2- or NO3- supply on polyamine accumulation and ethylene production of wheat roots at acidic and neutral pH: implications for root growth

Exposure of plant tissues to nitrite ion or nitrite-derived NO at acidic pH results in the degradation of important macromolecules and may lead to the formation of reactive molecular species. Polyamines as free radical scavengers protect plant tissues against membrane and DNA damage during stress an...

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