Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

The Breakdown of Potato-Root Diffusate in Soil

The Breakdown of Potato-Root Diffusate in Soil THE BREAKDOWN OF POTATO-ROOT DIFFUSATE IN SOIL *) BY D. W. FENVVICK (Nematology Department, Rothamsted Experimental Station) TRIFFIT (1930) showed that larvae within the cysts of Heterodera rostoehiensis are stimulated to hatch by a substance produced by the growing roots of potato plants. Further research by later workers con- firmed her findings and new techniques were developed for the study of this phenomenon. Attempts have been made to utilize this response as a method of control and a series of papers by TODD and his col- laborators (in various combinations 1949) record an attempt to eluci- date the chemical nature of this substance. As this work is still con- tinuing, it was considered that an investigation into the persistence of root dif fusate in soil would be opportune. The experiments herein described are concerned with this latter problem. TECHNIQUE The potato root diffusate used in these experiments was obtained from potato plants growing in a 3 : 1 mixture of loam and sand. The leaching technique previously described by the author (FENWicn- 1949) was modified; small volumes of water were added repeatedly to each pot until saturation was reached, when a further 50 ml. was added and the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

The Breakdown of Potato-Root Diffusate in Soil

Fenvvick, D.W.
Nematologica , Volume 1 (4): 13 – Jan 1, 1956
Download PDF
13 pages

Loading next page...
 
/lp/brill/the-breakdown-of-potato-root-diffusate-in-soil-tPMts6em4a

References

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529256X00294
Publisher site
See Article on Publisher Site

Abstract

THE BREAKDOWN OF POTATO-ROOT DIFFUSATE IN SOIL *) BY D. W. FENVVICK (Nematology Department, Rothamsted Experimental Station) TRIFFIT (1930) showed that larvae within the cysts of Heterodera rostoehiensis are stimulated to hatch by a substance produced by the growing roots of potato plants. Further research by later workers con- firmed her findings and new techniques were developed for the study of this phenomenon. Attempts have been made to utilize this response as a method of control and a series of papers by TODD and his col- laborators (in various combinations 1949) record an attempt to eluci- date the chemical nature of this substance. As this work is still con- tinuing, it was considered that an investigation into the persistence of root dif fusate in soil would be opportune. The experiments herein described are concerned with this latter problem. TECHNIQUE The potato root diffusate used in these experiments was obtained from potato plants growing in a 3 : 1 mixture of loam and sand. The leaching technique previously described by the author (FENWicn- 1949) was modified; small volumes of water were added repeatedly to each pot until saturation was reached, when a further 50 ml. was added and the

Journal

Nematologica – Brill

Published: Jan 1, 1956

There are no references for this article.