期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：199
期号：3
页码：032013
DOI：10.1088/1755-1315/199/3/032013
语种：English
出版社：IOP Publishing
摘要：The Effects of six selenium concentrations (0, 5, 10, 25, 50, 75, and 100 mg/kg) on eco-physiology of Lactuca sativa were conducted by a pot experiment. The result showed that with the Se concentration increased, the biomass, photosynthetic pigment contents and antioxidant enzyme activities of L. sativa seedlings all increased first and then decreased, and reached maximum at 5 mg/kg. Compared with control, shoot fresh weight, SOD activity and POD activity showed significant difference. At 100 mg/kg of Se concentration, the biomass, photosynthetic pigment contents and antioxidant enzyme activities of L. sativa seedlings all reached minimum and except SOD activity all showed significant difference.
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