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Alternatives to the use of nitrate as a fertiliser

reover, this reaction can favour the growth of plants tolerant to ammonium in another situation of added stress.

The researchers have shown that tolerance to ammonium experienced in one type of pea can be extrapolated to the rest of the varieties of the species. Nevertheless, different ranges of tolerance and strategies are observed for growth under ammoniacal nutrition.

Cloning pea genes

To study the ammonium assimilation enzymes, GS and GDH, in depth, these pea genes have been cloned and sequenced and, by means of a novel technique, two new antibodies have been produced that recognise the enzymes of these plants and of other plant species. The results show that the contents of the GS and GDH enzymes in the root tissues of the different varieties of pea are increased when ammoniacal fertiliser is applied and, this increment is related to the concentration of ammonium applied.


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Source:Elhuyar Fundazioa


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