This is a preview. Log in through your library . Abstract Treatment of the bark of Hevea brasiliensis with 2,4-dichlorophenoxyacetic acid (2,4-D) or 1-naphthylacetic acid (NAA) greatly increases ...
American Journal of Botany, Vol. 25, No. 2 (Feb., 1938), pp. 78-83 (6 pages) Sugar was not absorbed through external leaf membranes, nor through the internal membranes of root cells. Sugars were ...
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