Pfeffer's solution

English

Etymology

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Proper noun

Pfeffer's solution

1. A plant nutrient solution consisting of calcium nitrate, potassium nitrate, magnesium sulfate, monopotassium phosphate, potassium chloride, ferric chloride, and water.
   • 1923, Botanical Gazette, volume 76, page 286:

     The experiments reported here would seem to permit the following statements bearing on the ultimate cessation of growth of excised root tips in the modified Pfeffer's solution containing 2 per cent glucose.

   • 1946, Walter Stiles, Trace Elements in Pants and Animals, page 2:

     It will be noticed that, in addition to the elements given above, Pfeffer's solution also contains chlorine, while Sachs's solution contains not only chlorine, but sodium.

   • 2013, T. Kull, J. Arditti, Orchid Biology VIII: Reviews and Perspectives, page 479:

     On 14 January 1919 he attempted to germinate seeds of Cattleya mossiae on Pfeffer's solution (Table 7-1) plus 1% sucrose.