Uniconazole (S-3307) strengthens the growth and cadmium accumulation of accumulator plant Malachium aquaticum
2017
He, Jing | Lin, Lijin | Ma, Qianqian | Liao, Ming'an | Wang, Xun | Lai, Yunsong | Liang, Dong | Xia, Hui | Tang, Yi | Wang, Jin | Wang, Li
The effects of uniconazole (S-3307) application on the growth and cadmium (Cd) accumulation of accumulator plant Malachium aquaticum (L.) Fries. were studied through a pot experiment. The application of S-3307 increased the biomass and photosynthetic pigment content of M. aquaticum in Cd-contaminated soil, and also improved the superoxide dismutase (SOD) and peroxidase (POD) activities in M. aquaticum . Application of S-3307 increased Cd content in shoots and decreased Cd content in roots of M. aquaticum , but the translocation factor (TF) of M. aquaticum increased with the increase of S-3307 concentration. For phytoextraction, the application of S-3307 increased Cd extractions by roots, shoots and whole plants of M. aquaticum , and the maxima were obtained at 75 mg L ⁻¹ S-3307, which increased by 22.07%, 37.79% and 29.07%, respectively, compared with their respective controls. Therefore, S-3307 can be used for enhancing the Cd extraction ability of M. aquaticum , and 75 mg L ⁻¹ S-3307 was the optimal dose.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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