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Proceedings of the International Academy of Ecology and Environmental Sciences, 2019, 9(3): 98-103
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Article

Effect of different levels of fluoride on Almond (Prunus Amygdalus) seedling

Azadeh Behrooz
Department of Horticulture, College of Abouraihan, University of Tehran, Tehran, Iran

Received 27 January 2019;Accepted 15 February 2019;Published 1 September 2019
IAEES

Abstract
The aim of this study was to evaluate the effects of different sodium fluoride concentrations on the growth and certain metabolic parameters of almond seedlings (Prunus Amygdalus) under strictly controlled growth conditions in nutrient solutions containing increasing sodium fluoride concentrations ranging from 0 to 9 mM. At the 15 days, productions of material were measured as dry matter was significantly reduced in the root system, which accumulated large amounts of fluoride. As data obtained from this study, the chlorophyll, calcium, and magnesium content of the leaves showed a significant decrease, and the leaf content of starch and sugar was also reduced, especially at the higher fluoride concentrations. Data showed that the mineral concentration changes in the roots were minor except for manganese, which showed a major decrease at 3 mM sodium fluoride. In conclusion we could demonstrate that the nutritional status of the leaves appeared to be affected more than that of roots.

Keywords sodium fluoride;Prunus Amygdalus;chlorophyll;seedling.

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