ISSN:
1615-6110
Keywords:
Angiosperms
;
Gramineae
;
Deschampsia cespitosa
;
Zinc tolerance
;
heavy metal
;
tolerant populations
;
genetic basis
;
heritability
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Patterns of zinc tolerance were examined in eightDeschampsia cespitosa (L.)Beauv. populations from normal and zinc-contaminated soils, using solution culture methods. Zinc-tolerant populations have evolved beneath pylons, and their tolerance patterns (degree, variance, heritability) vary. Tolerance is genetically based in all of them. In contrast to the cases of other species previously reported, some within-population differences are considerable, and may be due to both heterogeneity of the soils zinc contents, various gene combinations and gene recombinations between genotypes. One control population contains many tolerant plants, an original result which is discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00937595
