THE RESPIRATION OF ARUM SPADIX. A RAPID RESPIRATION, RESISTANT TO CYANIDE

THE RESPIRATION OF ARUM SPADIX. A RAPID RESPIRATION, RESISTANT TO CYANIDE JAMES AND H . B E E V E R S Oxford Medicinal Plants Scheme, Department of Botany, University of Oxford (Received 13 March 1950) (With 16 figures in the text) It has long been known that the spadix of Arum has an unusually fast rate of respiration while the inflorescence is developing. Church (1908) speculated that the resulting rise of temperature within the opening spathe, amounting almost to 20° C. in ^ . italicutn, might have biological significance in attracting pollinating insects to the flowers; but the metabolic mechanism of the respiration has not previously been studied. Van Herk (1937) has made a notable investigation of the corresponding tissue in the tropical aroid Sauromatum, and his results will be discussed after describing our own. MATERIAL The sterile region of the Arum spadix has been examined in varying stages of development, as shown in Fig. ia-^. The material was mostly growing wild, and was collected from typical sites around Oxford. It was therefore not possible to assess accurately the average time interval between the stages selected, and the intervals may not have been equal between each pair of stages. Nevertheless, by assuming them to be equal, one may http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png New Phytologist Wiley

THE RESPIRATION OF ARUM SPADIX. A RAPID RESPIRATION, RESISTANT TO CYANIDE

New Phytologist, Volume 49 (3) – Nov 1, 1950

Loading next page...
 
/lp/wiley/the-respiration-of-arum-spadix-a-rapid-respiration-resistant-to-M0iwqDUeZ0
Publisher
Wiley
Copyright
Copyright © 1950 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0028-646X
eISSN
1469-8137
DOI
10.1111/j.1469-8137.1950.tb05160.x
Publisher site
See Article on Publisher Site

Abstract

JAMES AND H . B E E V E R S Oxford Medicinal Plants Scheme, Department of Botany, University of Oxford (Received 13 March 1950) (With 16 figures in the text) It has long been known that the spadix of Arum has an unusually fast rate of respiration while the inflorescence is developing. Church (1908) speculated that the resulting rise of temperature within the opening spathe, amounting almost to 20° C. in ^ . italicutn, might have biological significance in attracting pollinating insects to the flowers; but the metabolic mechanism of the respiration has not previously been studied. Van Herk (1937) has made a notable investigation of the corresponding tissue in the tropical aroid Sauromatum, and his results will be discussed after describing our own. MATERIAL The sterile region of the Arum spadix has been examined in varying stages of development, as shown in Fig. ia-^. The material was mostly growing wild, and was collected from typical sites around Oxford. It was therefore not possible to assess accurately the average time interval between the stages selected, and the intervals may not have been equal between each pair of stages. Nevertheless, by assuming them to be equal, one may

Journal

New PhytologistWiley

Published: Nov 1, 1950

References

  • On the relation between respiration and fermentation in yeast and the higher plants
    Turner, Turner

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create folders to
organize your research

Export folders, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off