Abstract
The aim of this pot experiment was to determine the grafting affecting the selenium (Se) absorption of two Solanum photeinocarpum ecotypes. Two S. photeinocarpum ecotypes (farmland and mining) were subjected to mutual grafting, and then their Se accumulation characteristics were determined after growth in soil containing Se at 10 mg kg−1. Compared with ungrafted S. photeinocarpum, the combination of the scion (farmland ecotype) and the rootstock (mining ecotype) showed increased root biomass, while the opposite grafting combination showed decreased whole shoot biomass. Mutual grafting also increased the Se content in grafted S. photeinocarpum, and the combination of the scion (farmland ecotype) and the rootstock (mining ecotype) showed the highest values. The e scion (farmland ecotype) and the rootstock (mining ecotype) combination showed increased Se absorption and transportation, but the largest amount of extracted Se was in whole shoots of the ungrafted farmland ecotype. Thus, the ungrafted S. photeinocarpum farmland ecotype had the best nutritional value in terms of Se content.
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