Impact of Cd on seed germination of ipomoea aquatica

High cadmium in the soil have a major impact on crops, but concerned about the effect of cadmium on seed germination of less. This test simulates the 9 different cadmium (Cd2 +) ion concentration on 6 different varieties of spinach seed germination. The results show that: 6 varieties of water spinach, water spinach Taiwan bones of the dead willow germination of the best, and after joining the heavy metals Cd2 + is still more than 95% germination rate, germination energy and germination index can be used as a cadmium contaminated soil remediation equipment Select varieties; In addition, the low concentration of Cd2 + on most of the water spinach varieties promote seed germination, while high concentrations are to some extent