Dynamics of Ni accumulation and possible causes of Fe deficiency in amaranthus hybrids leaves

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Abstract


Amaranthus paniculatus f. cruentus (Cherry jam) were grown in the phytotron on Johnson nutrient solution with 2 mM Fe3+-EDTA. Six weeks plants were treated with NiCl2. In the presence of 100 and 200 uM NiCl2 uptake of Fe in mature and especially young leaves sharply inhibited. Possible mechanisms of Ni and Fe competition and the role of this phenomenon in determining the level of phytoremediation potential of amaranthus plants are discussed.

About the authors

A I Cheremisina

Timirjazev Institute of Plant Physiology, Russian Academy of Science

Email: aicheremisina@mail.ru
Timirjazev Institute of Plant Physiology, Russian Academy of Science

N I Shevyakova

Timirjazev Institute of Plant Physiology, Russian Academy of Science

Email: nshevyakova@yandex.ru
Timirjazev Institute of Plant Physiology, Russian Academy of Science

Vl V Kuznetsov

Timirjazev Institute of Plant Physiology, Russian Academy of Science

Email: vlkuzn@ippras.ru
Кафедра ботаники, физиологии растений и агробиотехнологииРоссийский университет дружбы народовул. Миклухо-Маклая, 8/2, Москва, Россия, 117198; Институт физиологии растений им. К.А. Тимирязева РАН; Timirjazev Institute of Plant Physiology, Russian Academy of Science

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Copyright (c) 2012 Черемисина А.И., Шевякова Н.И., Кузнецов В.В.

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