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Photosynthesis in the Pericarp of Developing Wheat Grains
Authors:CALEY, C. Y.   DUFFUS, C. M.   JEFFCOAT, B.
Abstract:
Oxygen exchange in grains of wheat was measured in both lightand dark over the period of grain development. Between 10 dand 30 d after anthesis, the rate of photosynthesis exceededthe rate of respiration. Peak photosynthetic activity was observedat 20 d after anthesis, coinciding with maximum chlorophyllcontent in the pericarp green layer. Removal of the pericarptransparent layer increased rates of oxygen exchange in boththe light and the dark. Attempts to inhibit photosynthesis withDCMU were only successful with the pericarp transparent layerremoved. Key words: Wheat, pericarp, photosynthesis
Keywords:
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