Article
Can citrate efflux from roots improve phosphorus uptake by plants? Testing the hypothesis with near-isogenic lines of wheat.
Physiologia plantarum - 1 Jul 2014
Ryan Peter R, James Richard A, Weligama Chandrakumara, Delhaize Emmanuel, Rattey Allan, Lewis David C, Bovill William D, McDonald Glenn, Rathjen Tina M, Wang Enli, Fettell Neil A, Richardson Alan E
Abstract excerpt
Phosphorus (P) deficiency in some plant species triggers the release of organic anions such as citrate and malate from roots. These anions are widely suggested to enhance the availability of phosphate for plant uptake by mobilizing sparingly-soluble forms in the soil. Carazinho is an old wheat (Triticum aestivum) cultivar from Brazil, which secretes citrate constitutively from its root apices, and here we show...
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