Preservation of Chlorophyll in Leaf Sections by Substances Obtained from Root Exudate

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Science  04 Sep 1964:
Vol. 145, Issue 3636, pp. 1066-1067
DOI: 10.1126/science.145.3636.1066-a


Root exudate of sunflower plants was purified by means of paper chromatography. Two zones of the chromatogram were active in retarding senescence of barley leaf sections.