Abstract
In this experiment, peach seedlings, as materials, were treated with various concentrations (0, 1, 2, 4 and 6 g/L) of chitosan. The content of total calcium, magnesium and sodium in roots, stems and leaves of peach seedlings were all measured. Overall, the chitosan treatments could increase the total calcium, magnesium and sodium content in roots and stems, especially at chitosan concentration of 2 g/L. In other words, spraying different concentrations chitosan solution could promote the accumulation of nutrient elements and the plants growth. However, the total calcium and sodium content in leaves of chitosan-treated seedlings were significantly lower than that in control seedlings. In soil, the water-soluble calcium content was higher and the water-soluble magnesium and sodium content were all the highest at 2 g/L chitosan concentration. Thus, to a certain extent, it’s good for spraying chitosan solution for the better growth and nutrient uptake of total calcium, magnesium and sodium in peach seedlings.
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