Sirvi Autor "Esmaeilzadeh Salestani, Keyvan (juhendaja)" järgi

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Impact of Farming Systems on Expression of Ammonium Transporter Genes in Barley
(Eesti Maaülikool, 2020) Mõttus, Aleks; Esmaeilzadeh Salestani, Keyvan (juhendaja); Loit, Evelin (juhendaja)
Nitrogen is one of the most important elements for plants, needed in larger amounts than other elements. If plants suffer from nitrogen deficiency it may lower crop growth but on the other hand over fertilizing may cause serious environmental problems. Finding optimal nitrogen rate is difficult due to different demand in crops and various amount of nitrogen in soil stock within fields. Aim of this thesis was to get overview about AMT1 and AMT2 genes in barley and to see how these genes expression levels differs depending on fertilization. Both genes were tested to see gene expressions in different treatments. Both genes did not show significant differences between different treatments compared to control treatment. Although significant differences were in both genes between lowest and highest gene expression treatments. In AMT1 case highest gene expression treatment were Org1 and lowest Conv2. For AMT2 lowest gene expression was in treatment with 40-50 kg/ha mineral nitrogen applied (Conv1) and highest in treatment with green manure applied (Org1).