Response of Cultured Embryos of Phaseolus vulgaris and Hordeum vulgare to Farnesol |
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Authors: | WARDLE K; SIMPKINS IVOR |
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Institution: | School of Natural Sciences, The Hatfield Polytechnic P 0. Box 109, Hatfield, Herts AL10 9AB |
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Abstract: | Excised embryos of Phaseolus vulgaris incubated in a mediumcontaining 10 mg dm3 farnesol showed enhanced root growthwhereas the leaves remained rudimentary At lower concentrationsof exogenous farnesol normal leaf development occurred and rootgrowth was comparable to untreated cultures. Enhanced root growthalso occurred when excised embryos of Hordeum vulgare were treatedwith farnesol but only at 10 mg dm3 and this treatmentdid not prevent leaf growth X-ray micro-probe analysis of leavesrevealed an increased phosphorus content in P vulgaris and adecreased sulphur content in H vulgare in comparison to untreatedplants. Hordeum vulgare L., barley, Phaseolus vulgaris, bean, embryo culture, farnesol, X-ray microprobe analysis, root growth |
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