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Changes in IAA oxidase activity in rooting hypocotyl cuttings ofPhaseolus mungo L.

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Summary

IAA oxidase activity increased concomitant with root initiation during 16–52 h, in all cultures, thus showing the necessity of an active IAA oxidase for root initiation inPhaseolus mungo hypocotyl cuttings. The increase being very sharp in IAA alone, but less in all other cultures. The role of sucrose in root initiation via IAA oxidase activity has been discussed.

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Authors and Affiliations

  1. Botany Department, Panjab University, 160014, Chandigarh, India

    R. N. Chibbar, K. Gurumurti & K. K. Nanda

Authors
  1. R. N. Chibbar
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  2. K. Gurumurti
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  3. K. K. Nanda
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Additional information

The research has been partly financed by a grant from the US Department of Agriculture. One of us (R.N.C.) is thankful to the CSIR, India, for financial assistance.

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Chibbar, R.N., Gurumurti, K. & Nanda, K.K. Changes in IAA oxidase activity in rooting hypocotyl cuttings ofPhaseolus mungo L.. Experientia 35, 202–203 (1979). https://doi.org/10.1007/BF01920616

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