. The chemistry and mode of action of plant growth substances; proceedings of a symposium held at Wye College, University of London, July 1955. Plant regulators; Auxin; Growth (Plants). Chemical structure and biological activity V^ ® I â 0-C-COOH H (Vluir and Hansch,1953) 0-C-COOH I + aC-COOH (Veldstra,l953) V^ -C âCOOH I H [;J=^^^^>p0-CH2C00H Thimann, 1951 Wahr//soOdane partition (Van Ovenbeek et al.,1355) c^^^^CHjCOOH 270 15 aO-CHgCOOH (Thimann,i95l) CI f;==^0CH2C00H CI ^ V^ CI 0 âC âCOOH I H CL ^^ â 0 âC âCOOH I CI H (Osborne etal,l954) Figure 1. Comparison between pairs of regulators.
. The chemistry and mode of action of plant growth substances; proceedings of a symposium held at Wye College, University of London, July 1955. Plant regulators; Auxin; Growth (Plants). Chemical structure and biological activity V^ ® I â 0-C-COOH H (Vluir and Hansch,1953) 0-C-COOH I + aC-COOH (Veldstra,l953) V^ -C âCOOH I H [;J=^^^^>p0-CH2C00H Thimann, 1951 Wahr//soOdane partition (Van Ovenbeek et al.,1355) c^^^^CHjCOOH 270 15 aO-CHgCOOH (Thimann,i95l) CI f;==^0CH2C00H CI ^ V^ CI 0 âC âCOOH I H CL ^^ â 0 âC âCOOH I CI H (Osborne etal,l954) Figure 1. Comparison between pairs of regulators. The member on the right has the higher physio- logical {auxin) activity. It is argued that this is so because the more active member penetrates the cell Figure 2. Reversible inhibition of indoleacetic acid (lAA) induced growth of maize coleoptile sections by 2:4:-dichlorophenylmaleimide {MAL). {After van Overbeek et al., 1955.) 206. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wye College; Wain, R. L; Wightman, F. (Frank). London, Butterworths Scientific Publications
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Keywords: ., bookcentury1900, bookcollectionbiodiver, booksubjectgrowthplants
