biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 46:575-579, 2003 | DOI: 10.1023/B:BIOP.0000041064.04385.c7

Herbicide Induced Oxidative Stress in Lettuce, Beans, Pea Seeds and Leaves

D. Štajner1, M. Popović1, M. Štajner1
1 Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, Novi Sad, Serbia and Montenegro, e-mail

The effects of different paraquat, alachlor and metolachlor concentrations on superoxide dismutase (SOD), catalase (CAT), guaiacol peroxidase (GPX) activities and pigment contents in lettuce, bean and pea seeds and leaves were studied. Under paraquat (1.0 and 2.0 μM) treatment declined SOD and CAT activities were observed in seeds and undetectable ativity of GPX. Germination of all investigated seeds was completely inhibited. All used concentrations of alachlor and metolachlor inhibited antioxidant enzyme activities in seeds but did not prevent germination and growth. In leaves, lower concentrations of these herbicides increased activities of antioxidant enzymes but at the highest herbicide concentrations (200 μM) activities of investigated enzymes declined. The pigment contents the leaves decreased due to alachlor and metolachlor treatment in a concentration dependent manner.

Keywords: alachlor; carotenoids; catalase; chlorophyll; guaiacol peroxidase; metolachlor; paraquat; superoxide dismutase
Subjects: alachlor; carotenoids, herbicides; catalase; chlorophyll, herbicides; guaiacol peroxidase; herbicide-induced oxidative stress; Lactuca sativa; lettuce, herbicides; metolachlor; oxidative stress, herbicide-induced; paraquat; pea, herbicides; Phaseolus vulgaris; Pisum sativum; superoxide dismutase

Published: December 1, 2003  Show citation

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Štajner, D., Popović, M., & Štajner, M. (2003). Herbicide Induced Oxidative Stress in Lettuce, Beans, Pea Seeds and Leaves. Biologia plantarum, 46(4), 575-579. doi: 10.1023/B:BIOP.0000041064.04385.c7
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