The importance of nitrate in ameliorating the effects of ammonium and urea nutrition on plant development: the relationships with free polyamines and plant proline contents

Functional Plant Biology : FPB
Fabrice HoudusseJosemaria García-Mina

Abstract

In order to investigate the possible involvement of free polyamines and proline in the mechanism underlying the action of nitrate in correcting the negative effects associated with ammonium and urea nutrition in certain plant species, we studied plant contents of free polyamines and proline associated with nitrogen nutrition involving different nitrogen forms (nitrate, ammonium, urea) in two plant species, wheat and pepper. The results showed that ammonium nutrition and, to a lesser extent, urea nutrition were associated with significant increases in plant putrescine content that were well correlated with reductions in plant growth. These negative effects of ammonium and urea nutrition were corrected by the presence of nitrate in the nutrient solution; the presence of nitrate was also related to a significant decrease in the plant putrescine content. These results are compatible with a specific effect of nitrate reducing ammonium accumulation through the improvement of ammonium assimilation. As for the plant proline content, in pepper a slight increase in this parameter was associated with ammonium and urea nutrition, but it was also decreased by the presence of nitrate in the nutrient solution. These changes, however, were not...Continue Reading

References

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Oct 2, 2002·Physiologia Plantarum·Manas Kumar ChattopadhayayBharati Ghosh
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Citations

Apr 1, 2010·Journal of the Science of Food and Agriculture·Maria GarnicaJose M Garcia-Mina
Sep 5, 2015·Plant Signaling & Behavior·Roberto PintonLaura Zanin
Feb 8, 2016·Molecular Biology Reports·Ertugrul FilizIbrahim Ilker Ozyigit
Nov 2, 2019·Journal of Experimental Botany·Baolan WangWen-Hao Zhang
Mar 16, 2007·Amino Acids·M D Groppa, M P Benavides
Oct 1, 2014·Journal of the Science of Food and Agriculture·Mohammad ZamanRichard P Pharis
Mar 11, 2020·Environmental Pollution·Yineng WengShaoting Du
Mar 29, 2021·Plant Physiology and Biochemistry : PPB·Sara BuosoLaura Zanin
Jul 11, 2021·Physiologia Plantarum·Sara BuosoLaura Zanin
Apr 21, 2009·Ecotoxicology and Environmental Safety·S A PirintsosK Kotzabasis
Mar 23, 2011·Plant Science : an International Journal of Experimental Plant Biology·Claus-Peter Witte

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