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Title: Factors determining the patter of vascular tissue in Lemna minor L.
Author: Sargent, J. A.
Awarding Body: University of London
Current Institution: University of London
Date of Award: 1957
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2,3,5-triiodobenzoio acid (TIBA) modifies the normal pattern of vascular tissue in fronds of Lemna minor. This effect has been investigated in an attempt to analyse the factors controlling the pattern which normally develops. Experiments carried out to this end have been as follows. (1) TIBA was added to the culture solution in a range of concentrations and the pattern of vascular tissue of fronds growing in this solution investigated. (2) the effect of added auxins on the response of Lemna to TIBA was investigated. (3) Determinations were made of the effect of TIBA on the balance of growth regulators in the frond by means of paper partition chromatography and Avena coleoptile cylinder assay. (4) The uptake and metabolism of TIBA by the frond was studied using radioaotive TIEA. (5) Tests were made of the effect of other di- and tri-halogen substituted benzoic acids on the vascular system of L. minor.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available