Genetic differences in aluminium accumulation in the grains of field grown Aegilops and Triticum

Ivana Maksimović, Rudolf Kastori, Marina Putnik-Delić, Vojislava Momčilović, Srbislav Denčić and Milan Mirosavljević
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Ivana Maksimović: University of Novi Sad, Faculty of Agriculture, Novi Sad, Serbia
Rudolf Kastori: University of Novi Sad, Faculty of Agriculture, Novi Sad, Serbia
Marina Putnik-Delić: University of Novi Sad, Faculty of Agriculture, Novi Sad, Serbia
Vojislava Momčilović: Institute of Field and Vegetable Crops, Novi Sad, Serbia
Srbislav Denčić: Institute of Field and Vegetable Crops, Novi Sad, Serbia
Milan Mirosavljević: Institute of Field and Vegetable Crops, Novi Sad, Serbia

Plant, Soil and Environment, 2020, vol. 66, issue 7, 351-356

Abstract: Plant species and genotypes differ considerably with respect to the accumulation of mineral elements. This study examined the accumulation of aluminium (Al) in Aegilops and Triticum species with different genomes (AA, BB, BBAA, BBAADD and DD) and correlations between concentration of Al in the grain and features of the spike. Twenty different genotypes were included in three-year field experiments. The examined species and genomes differed significantly in their Al concentration in grain. The highest concentrations of Al were found in the grains of wild diploid Aegilops speltoides (BB genome), and the lowest in tetraploids (BBAA genome). A significant positive correlation was found between the concentration of Al in the grain and spike length, while negative correlations were found between concentration of Al in the grain and the number of grains per spike, grain weight per spike and thousand grains weight. The presence of higher Al content in the individual grains of tetraploid and hexaploid wheat with respect to diploid ancestors suggests that during the increase in ploidity the capacity of plants to uptake Al from soil increased concomitantly with the increase of grain capacity to serve as Al sink.

Keywords: essential element; toxicity; stress factor; tolerance; ploidy level (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:66:y:2020:i:7:id:127-2020-pse

DOI: 10.17221/127/2020-PSE

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