Skip to main content
NCBI home page
Plant Physiology logoLink to Plant Physiology
. 1974 Apr;53(4):610–614. doi: 10.1104/pp.53.4.610

Photocontrol of Hook Opening in Cuscuta gronovii Willd 1

Ronald F Kujawski a,2, F H Truscott a
PMCID: PMC541405  PMID: 16658751

Abstract

Hook opening in seedlings of Cuscuta gronovii Willd. occurred only after prolonged exposures to blue, red, or far red light. Prolonged far red exposure was less effective than prolonged exposure to red or blue light. Brief far red irradiation inhibited the inductive effect of red light. The far red inhibition was in turn reversed by brief red irradiation. These effects suggest the involvement of two photosystems in the control of hook opening in Cuscuta gronovii Willd.: a phytochrome-mediated system and a separate high energy requirement.

Full text

PDF
610

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Borthwick H. A., Hendricks S. B., Schneider M. J., Taylorson R. B., Toole V. K. The high-energy light action controlling plant responses and development. Proc Natl Acad Sci U S A. 1969 Oct;64(2):479–486. doi: 10.1073/pnas.64.2.479. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Klein W. H., Withrow R. B., Elstad V. B. Response of the Hypocotyl Hook of Bean Seedlings to Radiant Energy and Other Factors. Plant Physiol. 1956 Jul;31(4):289–294. doi: 10.1104/pp.31.4.289. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Lane H. C., Kasperbauer M. J. Photomorphogenic Responses of Dodder Seedlings. Plant Physiol. 1965 Jan;40(1):109–116. doi: 10.1104/pp.40.1.109. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Poff K. L., Norris K. H. Four low-cost monochromatic sources of known equal intensities. Plant Physiol. 1967 Aug;42(8):1155–1157. doi: 10.1104/pp.42.8.1155. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Rubinstein B. The Role of Various Regions of the Bean Hypocotyl on Red Light-induced Hook Opening. Plant Physiol. 1971 Aug;48(2):183–186. doi: 10.1104/pp.48.2.183. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Satter R. L., Wetherell D. F. Photomorphogenesis in Sinningia speciosa, cv. Queen Victoria II. Stem Elongation: Interaction of a Phytochrome Controlled Process and a Red-requiring, Energy Dependent Reaction. Plant Physiol. 1968 Jun;43(6):961–967. doi: 10.1104/pp.43.6.961. [DOI] [PMC free article] [PubMed] [Google Scholar]
  7. Schneider M. J., Stimson W. R. Contributions of photosynthesis and phytochrome to the formation of anthocyanin in turnip seedlings. Plant Physiol. 1971 Sep;48(3):312–315. doi: 10.1104/pp.48.3.312. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Smith H. Phytochrome and photomorphogenesis in plants. Nature. 1970 Aug 15;227(5259):665–668. doi: 10.1038/227665a0. [DOI] [PubMed] [Google Scholar]
  9. Wilkins M. B. Red Light and the Geotropic Response of the Avena Coleoptile. Plant Physiol. 1965 Jan;40(1):24–34. doi: 10.1104/pp.40.1.24. [DOI] [PMC free article] [PubMed] [Google Scholar]

Articles from Plant Physiology are provided here courtesy of Oxford University Press

RESOURCES