Effect of Long-time Salt Stress on Cell Structure of Leaves in Amaranthus tricolor

The results indicated that, after exposed to 300 mmol.L-1 NaCl for 28 d, the growth of amaranth waslimited, the leaf area was reduced, as the results, the chlorophyll content decreased, the leaf thicken, the vascu-lar bundle diminished, the inclusion cut down, the chloroplast shrinked, the vacuole enlarged, the colorationextent of karyon thinned, the shape of karyon elongated, and the starch content increased.