harvest and growth conditions

white lupin growth chamber

White lupin (Lupinus albus L. var Ultra) was grown in the growth chamber in sand culture under growth conditions as previously described (Johnson et al., 1996a). P sufficiency or deficiency was defined by the presence or absence of 0.5 mM Ca(H2PO4)2 in the nutrient solutions, which were replenished every 2 days (Gilbert et al., 2000). To maintain equivalent Ca2+ concentrations, the nutrient solutions for the -P plants contained 0.5 mM CaSO4.

Johnson JF, Allan DL, Vance CP, Weiblen G (1996a) Root carbon dioxide fixation by phosphorus-deficient Lupinus albus, Contribution to organic acid exudation by proteoid roots. Plant Physiol 112: 19-30.

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