Effect of phosphorus deficiency on levels of phosphorus compounds in spirodela.


When Spirodela plants are transferred to a phosphate-deficient medium, growth slows down immediately, and ceases after 14 days. During this time, inorganic phosphate content falls from 30 to 0.7 mumoles/g fresh weight of tissue, phosphate ester content from 3.5 to 0.6 mumoles/g, phospholipid content from 3.5 to 1.2 mumoles/g, and residual phosphate (mainly… (More)


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