Ecotoxicological Effects of Mn,Cd and Mn-Cd Combined Contamination on Crops
- VernacularTitle:锰和镉对农作物生长的毒性效应
- Author:
Weizhen ZHONG
;
Mingshun LI
- Publication Type:Journal Article
- Keywords:
Metal,heavy;
Ecotoxicological effect;
Manganese;
Cadmium;
Crops
- From:
Journal of Environment and Health
1993;0(03):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the ecotoxicological effect of Mn,Cd and Mn-Cd combined contamination on crops.Methods Chinese cabbage(Brassica pekimensis),lettuce(Lactuca sativa var.angustana Irish),cowpea(Vigna unguiculata) and alfalfa(Medicago sativa L.) seeds were used in seed germination and root elongation tests.Results Research findings indicated that inhibition rates of heavy metals(individual or combined) on the seed germination were much lower than those on the root elongation.Inhibition rate of root elongation proved positively correlated to the concentration of Mn and Cd(P
