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Absorption and translocation of 2,4-dichlorophenoxyacetic acid (2,4-D) by barley roots

, : Absorption and translocation of 2,4-dichlorophenoxyacetic acid (2,4-D) by barley roots. Annual Report, Agricultural Research Council, Letcombe Laboratory, 1972: 32-33

The transpiration stream concn. factor (TSCF) and the concn. of labelled material in barley roots was increased about 30-fold by reducing the pH of uptake solution containing 0.2 ppm 14C-labelled 2,4-D from 8 to 4. As the TSCF at pH 4 is >1 and is markedly reduced by sodium azide, metabolic involvement in uptake is suggested.


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Garland, E.A., 1938: Forests and man. The effects of forests on the formation of man's philosophies and religions, the assistance which wood has been to man in the development of his civilization, and the life led by a forest officer in India are discussed.

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