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Cryopreservation is widely applied to many economically important species excluding chimera plants which are problematic for long-term conservation. Their storage problems can be circumvented only by cryopreserving meristems. This study looked at the morphogenetic response of shoot tips of periclinal chimera chrysanthemum ‘Lady Orange’ and ‘Lady Salmon’, as well as the solid mutant ‘Richmond’, that...
Background Heavy metal exposure affect plant productivity by interfering, directly and indirectly, with photosynthetic reactions. The toxic effect of heavy metals on photosynthetic reactions has been reported in wide-ranging studies, however there is paucity of data in the literature concerning thallium (Tl) toxicity. Thallium is ubiquitous natural trace element and is considered the most toxic of...
Armeria maritima plants grow on unpolluted sandy soils and on soils strongly polluted by heavy metals. The heavy metal resistant ecotype of this species occurs in Poland on zinc-lead waste heaps in the Olkusz ore-mining region. In plants occurring on such polluted soils the mechanisms of resistance against toxic influence of heavy metals have been developed. In this article the mechanism of heavy...
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