Hydroponic Screening for Iron Deficiency Tolerance in Evergreen Azaleas
DOI:
https://doi.org/10.15835/nbha4319929Abstract
Evergreen azaleas grow in acid soil and suffer from iron deficiency when cultivated in substrate with pH higher than 6.0. In order to select tolerant plants, 11 azalea genotypes were tested for 21 days in alkaline solution (pH 9), buffered with sodium hydrogen carbonate (1 g·l-1). Leaf damage, root length and mortality rate were recorded. While leaf damage and mortality rate allowed to discriminate genotypes, root development appeared not directly linked to iron deficiency tolerance. Rhododendron ‘Juko’, R. scabrum, R. macrosepalum ‘Hanaguruma’, R. x pulchrum ‘Oomurasaki’, and R. x pulchrum ‘Sen-e-oomurasaki’ resulted iron efficient genetic resources, useful for azalea cultivation and gardening in calcareous soils. On the contrary, R. obtusum ‘Kirin’, R. tosaense, R.x mucronatum ‘Fujimanyo’ and R. obtusum ‘Susogo-no-ito’ resulted iron deficiency sensitive genotypes. R. x mucronatum ‘Ryukyushibori’ and R. indicum ‘Kinsai’ showed intermediate responses.Downloads
Published
2015-06-16
How to Cite
DEMASI, S., CASER, M., KOBAYASHI, N., KURASHIGE, Y., & SCARIOT, V. (2015). Hydroponic Screening for Iron Deficiency Tolerance in Evergreen Azaleas. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 43(1), 210–213. https://doi.org/10.15835/nbha4319929
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Research Articles
CITATION
DOI: 10.15835/nbha4319929
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Copyright (c) 2015 Sonia DEMASI, Matteo CASER, Nobuo KOBAYASHI, Yuji KURASHIGE, Valentina SCARIOT
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