Amelioration of Pb and Mn toxicity to arbuscular mycorrhizal fungus Glomus intraradices by maize root exudates

The effect of maize root exudates on the toxicity of lead and manganese to arbuscular mycorrhizal fungus Glomus intraradices was studied in vitro by observation of intraradical hyphae regrowth from colonised root segments. Higher heavy metal (HM) concentrations strongly reduced the hyphal growth, ho...

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Bibliographic Details
Published inBiologia plantarum Vol. 47; no. 2; pp. 297 - 299
Main Authors Malcova, R. (Akademie Ved, Pruhonice (Czech Republic). Botanicky Ustav), Gryndler, M
Format Journal Article
LanguageEnglish
Published 01.09.2003
Subjects
CRECIMIENTO
CROISSANCE
CULTIVO IN VITRO
CULTURE IN VITRO
EXSUDAT
EXUDADOS
EXUDATES
GLOMUS INTRARADICES
GROWTH
IN VITRO CULTURE
INHIBICIÓN
INHIBITION
LARGURA
LEAD
LENGTH
LONGUEUR
MANGANESE
MANGANESO
MANGANÈSE
MICELIO
MYCELIUM
MYCORHIZÉ
MYCORRHIZAE
PLANT SECRETIONS
PLOMB
PLOMO
RACINE
RAÍCES
ROOTS
SECRECIONES DE LAS PLANTAS
SÉCRÉTION VÉGÉTALE
TOXICIDAD
TOXICITY
TOXICITÉ
ZEA MAYS
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Summary:The effect of maize root exudates on the toxicity of lead and manganese to arbuscular mycorrhizal fungus Glomus intraradices was studied in vitro by observation of intraradical hyphae regrowth from colonised root segments. Higher heavy metal (HM) concentrations strongly reduced the hyphal growth, however, the inhibitory effect was to a large extent eliminated by the addition of maize root exudates to the media. However, the capacity of exudates to ameliorate HM toxicity was limited and did not operate when a threshold HM concentration was reached.
Bibliography:P34
2004000157
H50
ISSN:0006-3134
1573-8264
DOI:10.1023/B:BIOP.0000022270.46561.0c