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Robbins WJ, Hervey A. Cytokinin and growth of excised roots of Bryophyllum calycinum. Proc Natl Acad Sci U S A. 1971;68(2):347-8doi: 10.1073/pnas.68.2.347.
Robbins, W. J., & Hervey, A. (1971). Cytokinin and growth of excised roots of Bryophyllum calycinum. Proceedings of the National Academy of Sciences of the United States of America, 68(2), 347-8. https://doi.org/10.1073/pnas.68.2.347
Robbins, W J, and Hervey, A. "Cytokinin and growth of excised roots of Bryophyllum calycinum." Proceedings of the National Academy of Sciences of the United States of America vol. 68,2 (1971): 347-8. doi: https://doi.org/10.1073/pnas.68.2.347
Robbins WJ, Hervey A. Cytokinin and growth of excised roots of Bryophyllum calycinum. Proc Natl Acad Sci U S A. 1971 Feb;68(2):347-8. doi: 10.1073/pnas.68.2.347. PMID: 5277083; PMCID: PMC388934.
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Proc Natl Acad Sci U S A. 1971 Feb;68(2):347-8. doi: 10.1073/pnas.68.2.347.

Cytokinin and growth of excised roots of Bryophyllum calycinum.

Proceedings of the National Academy of Sciences of the United States of America

W J Robbins, A Hervey

PMID: 5277083 PMCID: PMC388934 DOI: 10.1073/pnas.68.2.347
Free PMC Article

Abstract

Excised roots of Bryophyllum calycinum require for growth both auxin and cytokinin. This is demonstrated by the poor growth of 2-mm root tips in a basal medium of mineral salts, sucrose, and vitamins supplemented with either an auxin or a cytokinin, and much better growth when the basal medium is supplemented with both auxin and cytokinin. However, both substances are synthesized by the root, as is demonstrated by the growth of large inocula (dry wt 6-7 mg) through many successive passages in a medium limited to mineral salts, sugar, and vitamins.

References

  1. Proc Natl Acad Sci U S A. 1969 Oct;64(2):495-7 - PubMed

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