Calcium and dipodascopsis uninucleata
1999
Elwy, E.E.A. (Cairo Univ. (Egypt). Botany Dept.)
Growth rate and branching of D. uninucleata were correlated to the exocellular concentration of calcium in culture medium. Calcium concentrations of 1-10 mM stimulated germ tube formation and reduced the lag phase. Mycelia grew in media amended with 1-0 mM Ca++ were highly branched and the number of cells/hypha together with the number of cells/branch significantly increased. Gametangial formation have been induced by 10-40 mM Ca2++ and the highest percent of ascus formation with the longest asci was achieved in the presence of 10mM calcium. Increasing Cat ions concentration above 40 mM had no further effect on growth aspects yet concentrations higher than 160 mM were toxic and partially inhibited growth, branching and reproduction.
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Эту запись предоставил National Agricultural Research Centre
