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|Title:||Uptake of zinc and phosphorus by plants is affected by zinc fertiliser material and arbuscular mycorrhizas|
|Citation:||Plant and Soil, 2014; 376(1-2):165-175|
|Stephanie J. Watts-Williams, Terence W. Turney, Antonio F. Patti, Timothy R. Cavagnaro|
|Abstract:||Background and Aims Water solubility of zinc (Zn) fertilisers affects their plant availability. Further, simultaneous application of Zn and phosphorus (P) fertiliser can have antagonistic effects on plant Zn uptake. Arbuscular mycorrhizas (AM) can improve plant Zn and P uptake. We conducted a glasshouse experiment to test the effect of different Zn fertiliser materials, in conjunction with P fertiliser application, and colonisation by AM, on plant nutrition and biomass. Methods We grew a mycorrhiza-defective tomato geno-type (rmc) and its mycorrhizal wild-type progenitor(76R) in soil with six different Zn fertilisers ranging in water solubility (Zn sulphate, Zn oxide, Zn oxide (nano), Zn phosphate, Zn carbonate, Zn phosphate carbonate), and supplemental P. We measured plant biomass, Zn and P contents, mycorrhizal colonisation and water use efficiency. Results Whereas water solubility of the Zn fertilisers was not correlated with plant biomass or Zn uptake, plant Zn and P contents differed among Zn fertiliser treatments. Plant Zn and P uptake was enhanced when supplied as Zn phosphate carbonate. Mycorrhizal plants took up more P than non-mycorrhizal plants; the reverse was true for Zn. Conclusions Zinc fertiliser composition and AM have a profound effect on plant Zn and P uptake.|
|Keywords:||Zinc fertiliser; Phosphorus fertiliser; Arbuscular mycorrhizas (AM); Wateruse efficiency; Mycorrhiza defective tomato mutant(rmc); Solanum lycopersicum (Tomato)|
|Rights:||© Springer Science+Business Media Dordrecht 2013|
|Appears in Collections:||Agriculture, Food and Wine publications|
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