Selenium and nano-selenium in plant nutrition |
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| Authors: | Hassan El-Ramady Neama Abdalla Hussein S. Taha Tarek Alshaal Ahmed El-Henawy Salah E.-D. A. Faizy Mohamed S. Shams Sarwat M. Youssef Tarek Shalaby Yousry Bayoumi Nevien Elhawat Said Shehata Attila Sztrik József Prokisch Miklós Fári Éva Domokos-Szabolcsy Elizabeth A. Pilon-Smits Dirk Selmar Silvia Haneklaus Ewald Schnug |
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| Affiliation: | 1.Soil and Water Department, Faculty of Agriculture,Kafrelsheikh University,Kafr El-Sheikh,Egypt;2.Plant Biotechnology Department, Genetic Engineering Division,National Research Center,Dokki, Giza,Egypt;3.Horticulture Department, Faculty of Agriculture,Kafr El Sheikh University,Kafr El-Sheikh,Egypt;4.Biological and Environmental Science Department, Faculty of Home Economics,Al-Azhar University,Cairo,Egypt;5.Vegetable Crops Department, Faculty of Agriculture,Cairo University,Giza,Egypt;6.Institute of Bio- and Environmental Energetics,Debrecen University,Debrecen,Hungary;7.Plant Biotechnology Department,Debrecen University,Debrecen,Hungary;8.Department of Biology,Colorado State University,Fort Collins,USA;9.Applied Plant Science Department, Institute for Plant Biology,TU Braunschweig,Brunswick,Germany;10.Institute of Crop and Soil Science (JKI),Federal Research Centre for Cultivated Plants,Brunswick,Germany |
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| Abstract: | Selenium (Se) is a naturally occurring metalloid element which occurs nearly in all environments. Se is considered as a finite and non-renewable resource on the Earth. The common sources of Se in earth’s crust occur in association with sulfide minerals such as metal selenide, whereas it is rarely found in elemental form (Se0). While there is no evidence of Se need for higher plants, several reports show that when Se added at low concentrations, Se exerts beneficial effects on plant growth. Se may act as quasi-essential micronutrient through altering different physiological and biochemical traits. Thus, plants vary considerably in their physiological and biochemical response to Se. This review focusses on the physiological importance of Se forms as well as different Se fertilizers for higher plants, especially plant growth, uptake, transport, and metabolism. |
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