Cookies Policy

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here


No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

Access this article

+ Tax (if applicable)
Add to Favorites
You must be logged in to use this functionality

image of Israel Journal of Plant Sciences

Pithiness occurs in the stems of unperturbed bean plants according to a genetic programming and it is not caused by environmental stresses. It starts at the base of the hypocotyl and progresses with growth acropetally, internode by internode, but it is not correlated with elongation in any simple way. The nodes of the stem do not become pithy. After it has become completely pithy, an internode begins to fill in slowly, starting from the base. Mechanical perturbation and drought stress cause moderate increases in ethylene evolution, and both pretreatments induce resistance to pithiness, as does exogenously applied ethephon. It is concluded that pithiness occurs in beans during natural growth, that it can be inhibited by environmental perturbations, and that this control is mediated by ethylene.

Affiliations: 1: Biology Department, Wake Forest University


Full text loading...


Data & Media loading...

1. Aloni B., Bar-Yosef B., Sagiv B., Pressman E."The effect of nutrient solution composition and transient nutrient starvation on the yield and petiole pithiness of celery plant."J. Hortic. Sci.1983Vol 589196
2. Aloni B., Pressman E."Petiole pithiness in celery leaves: Induction by environmental stresses and the involvement of abscisic acid."Physiol. Plant.1979Vol 476165
3. Aloni B., Pressman E."Interaction with salinity of GA3-induced leaf elongation, petiole pithiness and bolting in celery."Sci. Hortic. (Amsterdam)1980Vol 13135142
4. Aloni B., Pressman E."Stem pithiness in tomato plants: The effect of water stress and the role of abscisic acid."Physiol. Plant.1981Vol 513944
5. Aloni B., Rosenshtein G."Effect of flooding on tomato cultivars: The relationship between proline accumulation and other morphological and physiological changes."Physiol. Plant.1982Vol 56513517
6. Biro R.L., Jaffe M.J."Thigmomoiphogenesis: Ethylene evolution and its role in the changes observed in mechanically perturbed bean plants."Physiol. Plant.1984Vol 62289296
7. Esau K."Ontogeny and structure of collenchyma and of vascular tissue in celery petioles."Hilgardia1963Vol 10431476
8. Jaffe M.J."Thigmomorphogenesis: A detailed characterization of the response of beans (Phaseolus vulgaris L.) to mechanical stimulation."Z. Pflanzenphysiol.1976Vol 77437453
9. Jaffe M.J.,"Ethylene and other plant hormones in thigmomoiphogenesis and tendril thigmonasty"Hormonal Regulation of Plant Growth and Development Agro Botanical Publishers, India Purohit S.S.1984353367
10. Jaffe M.J., Biro R.L.,"Thigmomorphogenesis: The effect of mechanical perturbation on the growth of plants, with special reference to anatomical changes, the role of ethylene, and interaction with other environmental stresses"Stress Physiology in Crop Plants. Mussell H., Staples R.John Wiley & SonsNew York19792559
11. Jaffe M.J., Telewski F.W.,"Thigmomoiphogenesis: Callose and ethylene in the hardening of mechanically stressed plants"Phytochemical Adaptations to Stress. Plenum Publishing Co., New York. Timmermann B.N., Steelnik C., Loewus F.A.19847995
12. Mikesell J.E., Schroeder A.C."Development of chambered pith in stems of Phytolacca americana L."(Phytolaccaceae). Am. J. Bot.1980Vol 67111118
13. Pressman E., Huberman M., Aloni B., Jaffe M.J."Thigmomoiphogenesis: The effect of mechanical perturbation and ethrel on stem pithiness in tomato (Lycopersicum esculentum Mill.) plants."Ann. Bot.1983Vol 5293100
14. Pressman E., Huberman M., Aloni B., Jaffe M.J."Pithiness in plants: I."The effect of mechanical perturbation and the involvement of ethylene in petiole pithiness in celery. Plant Cell Physiol.1984Vol 25891897
15. Sachs J."Textbook of Botany."2nd Ed.Clarendon PressOxford1882811(Edited by S.H. Vines)
16. Sayer C.B."Quality in celery as related to structure."Bull. Univ. Ill. Agric. Exp. Stn.1929Vol 336557588
17. Telewski F.W., Wakefield A.H., Jaffe M.J."Computer-assisted image analysis of tissues of ethrel-treated Pinus taeda seedlings."Plant Physiol.1983Vol 72177181
18. Yang S.F., Hoffman N.E."Ethylene biosynthesis and its regulation in higher plants."Annu. Rev. Plant Physiol.1984Vol 35155189

Article metrics loading...



Can't access your account?
  • Tools

  • Add to Favorites
  • Printable version
  • Email this page
  • Subscribe to ToC alert
  • Get permissions
  • Recommend to your library

    You must fill out fields marked with: *

    Librarian details
    Your details
    Why are you recommending this title?
    Select reason:
    Israel Journal of Plant Sciences — Recommend this title to your library
  • Export citations
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation